Basic LAW Essay Example | Topics and Well Written Essays - 1000 words

Basic LAW - Essay Example The business that has been decided to be set up is that of transport business. This business operation will deal with lending car on rental basis to the tourists’ companies which operates with planning trips for the tourists. Australia is an attractive location for the tourists and thus holds good scope for the business. The cars will be bought new for providing them on rental to the tourists’ companies. The business will operate on the type of â€Å"sole trader†. Thus the aim of this paper is to evaluate the advantages and disadvantages of sole trading business along with the other forms for comparing and thus to justify this choice of the business form. The name of the business would be â€Å"Lark Travels†. Lark is the name of a songbird. The benefits and the drawbacks of registering names for business will also be evaluated in this paper. Sole Trader Business: Advantages, Disadvantages, Legal Requirements and Liabilities of the Party Sole trader which h as been selected as the form of the business is known to be as the most inexpensive and the simplest structure to be set up. The best way to have a business name is to have it by the trader’s own name; otherwise the trader needs to register the business name with Consumer Affairs Victoria. The sole trader holds the entire liability of the business. The liability holding does not vary in case if the business is registered with a name other than his or her name. An income declaration is essential to be included by the sole trader; the income which is earned from the business. A business plan is required in case the sole trader is opting for taking loan from any of the financial institutions. The tax is paid by the sole trader at a rate of personal tax, although he or she may be required to pay provisional tax. The liability of sole trader business is unlimited and can even broaden up to sole trader’s personal assets inclusive of any assets which are owned jointly with an other person. The advantage of sole trader business is that it bears low fees of establishment. The entire control over the business lies with the sole trader and he enjoys the entire profit from the business. During low business profits, there exist taxation advantages. There is applicability of less legislation in this business form. The only two legislations applicable are Contract Law and Tax Assessment Act. Despite the advantages, the sole trading business can pose as a risk towards the trader’s personal finances. The capital deems limited by the sole trader’s personal assets and also there prevails limited expertise of the trader. He is subjected to unlimited legal liability and he is solely responsible for all the debts and liabilities. At times, it may become hard to ‘pass on ownership’1. Partnership Business: Advantages, Disadvantages, Legal Requirements and Liabilities of the Parties Partnership businesses are similar to the sole trader busin

The use of Microwave Remote Sensing

The use of Microwave Remote Sensing INTRODUCTION Microwave remote sensing at wavelengths ranging from 1 cm to 1 m has gained a lot of importance over the plast decade for a wide range of scientific applications with the availability of active radar imaging systems. Its potential in spatial applications use has been scientifically established in various sectors like forestry, agriculture, land use and land cover, geology and hydrology. A variety of applications have been carried out world over using microwave data like discrimination of crop types, crop condition monitoring, soil moisture retrieval, delineation of forest openings, estimation of forest above ground biomass, forest mapping; forest structure and fire scar mapping, geological mapping, monitoring wetlands and snow cover, sea ice identification, coastal windfield measurement, wave slope measurement, ship detection , shoreline detection, substrate mapping, slick detection and general vegetation mapping (Kasischke et al., 1997). There is an emerging interest on microwave remote sensing is, as microwave sensors it can image a surface with very fine resolution of a few meters to coarse resolution of a few kilometers. They provides imagery to a given resolution independently of altitude, limited only by the transmitter power available. Fundamental parameters like polarization and look angle can be varied to optimize the system for a specific application. SAR imaging is independent of solar illumination as the system provides its own source of illumination. It can operate independently of weather conditions if sufficiently long wavelengths are chosen. It operates in a band of electromagnetic spectrum different from the bands used by visible and infrared (IR) imageries. Microwave applications in Forestry Applications of microwave remote sensing in forestry ha ve also been reported during the recent past. Recent reviews on the application of radar in forestry show that SAR systems have a good capability in discriminating various types of (tropical) forest cover using multi-temporal and multi-frequency SAR data (Vander Sanden, 1997; Varekamp, 2001; Quinones, 2002; Sgrenzaroli, 2004). These studies showed that the biomass dependence of radar backscatter varies as a function of radar wavelength, polarization and incidence angle. Also recent studies have demonstrated that synthetic aperture radar (SAR) can be used to estimate above-ground standing biomass. To date, these studies have relied on extensive ground-truth measurements to construct relationships between biomass and SAR backscatter (Steininger, 1996; Rignot et al., 1997). Many studies demonstrated the use of Synthetic Aperture Radar (SAR) remote sensing to retrieve biophysical characteristics from forest targets (Richards, 1990). Although radar backscatter from forest is influenced by their structural properties (Imhoff, 1995), earlier studies derived useful relationships between backscattering coefficients and the above-ground biomass (Baker et., 1994; Le Toan et al., 1992; Dobson et el., 1992; Imhoff; 1995). These relationships may provide a method of monitoring forest ecosystems which play such a vital role in carbon storage and NPP. Microwave remote sensing has the advantage of all weather capability coverage overcoming the persistent problem of cloud cover in satellite images like in optical data. Optical remote sensing is being used very successfully in various applications related to earth resources studies and monitoring of the environment. However, optical remote sensing is not suitable for all atmospheric conditions. It cannot penetrate through clouds and haze. In many areas of the world, the frequent cloud conditions often restrain the acquisition of high-quality remotely sensed data by optical sensors. Thus, radar data has become the only feasible way of acquiring remotely sensed data within a given time framework because the radar systems can collect Earth feature data irrespective of weather or light conditions. Due to this unique feature of radar data compared with optical sensor data, the radar data have been used extensively in many fields, including forest-cover identification and mapping, discrimi nation of forest compartments and forest types, estimation of forest stand parameters and monitoring of forests. In areas where vegetation cover is dense, it visually covers the underlying formation and it is very difficult to detect structural limiting the use of optical sensors. Radar however, is sensitive enough to topographic variation that it is able to discern the structural expression reflected in the tree top canopy, and therefore the structure may be clearly defined on the radar imagery. Based on this background, the current thesis work has been carried out to explore the potential of microwave data in addressing core areas of tropical forestry viz., vegetation classification , a bove ground biomass estimation etc., and to provide the users/researchers a meaningful data base of SAR applications in tropical forestry, specifically over the India region. Research questions: Which SAR wavelength/frequency band is appropriate for vegetation classification in tropical forests? To what extent above ground biomass can be measured in tropical forests? Which frequency band and polarization are suitable for above ground biomass estimation? Is there any enhancement in vegetation classification with polarimetric / interferometric data than stand alone amplitude data? Research hypothesis: Based on this background,the previous studies and earlier mentioned Rresearch questions, we understand that the backscatter increases with the increase in above ground biomass and depends on wavelength bands, polarizations used and on the study area, topographic variations and species composition. So, the present study attempts to derive the application potential of airborne and space borne SAR data in the quantification of the forest resources in tropical regions like India, both as a complementary and supplementary role to optical datasets. Different techniques such as Regression analysis, multi-sensor fusion, texture measures and interferometric coherence characterize different biomass ranges of the test sites and classification of major land cover classes. This study would facilitate scope for future research in tropical regions to explore the potentials of SAR data in land cover classification and above ground biomass estimation using the polarimetric and interferometric techniq ues. OBJECTIVES: Based on this background, the present study aims at the following objectives: Vegetation type classification using polarimetric and interferometric SAR data. Forest above-ground biomass estimation using multi-frequency SAR data and ground inventoried data. Vegetation classification is necessary to understand the diversity of species in a given area which gives above ground biomass with measured parameters. Hence, vegetation classification enhances the estimation of the above ground biomass. Forest biomass is a key parameter in understanding the carbon cycle and determining rates of carbon storage, both of which are large uncertainties for forest ecosystems. Accurate knowledge of biophysical parameters of the ecosystems is essential to develop an understanding of the ecosystem and their interactions, to provide input models of ecosystem and global processes, to test these models and to monitor changes in ecosystem dynamics and processes over time. Thus, it is a useful measure for assessing changes in forest structure, comparing structural and functional attributes of forest ecosystems across a wide range of environmental conditions. Knowing the spatial distribution of forest biomass is important as the knowledge of biomass is required for calculating the sources and sinks of carbon that result from converting a forest to cleared land and vice versa, to know the spatial distribution of biomass which enables measurement of change through time. Field sampling is the most followed conventional method for vegetation type classification. The identification of different species in field yields good results in the estimation of the above ground biomass. It is very time consuming, expensive and very complicated. With the use of multiple sensors, varied data collection and interpretation techniques, remote sensing is a versatile tool that can provide data about the surface of the earth to suit any need (Reene et al, 2001). Remote sensing approach for vegetation classification is cost effective and also time effective. Though the identification of the tree species is possible only from the aerial imagery, major forest types can be identified from the airborne and the spaceborne remote sensing data. Visual image interpretation provides a feasible means of vegetation classification in forests. The image characteristics of shape, size, pattern, shadow, tone and texture are used by interpreters in tree species identification. Phenological correlations are useful in tree species identification. Changes in the appearance of trees in different seasons of the year some times enable discrimination of species that are indistinguishable on single dates. The use of multi-temporal remote sensing data enabl es the mapping of the different forest types. SAR has shown its potential for classifying and monitoring geophysical parameters both locally and globally. Excellent works were carried out on the classification using several approaches such as polarimetric data decomposition (Lee et al., 1998), knowledge based approaches considering the theoretical backscatter modeling and experimental observations ( Ramson and Sun , 1994) ; Backscatter model-related inversion approaches ( Kurvonen et al., 1999), neural networks and data fusion approaches ( Chen et al., 1996). Dong et al. (2001) have shown that the classification accuracy of 95% for the vegetation classes could be achieved through the segmentation and classification of the SAR data using Gaussian Markov Random Field Model (GMRF). Many methods have been employed for classification of polarimetric SAR data, based on the maximum likelihood (ML) (Lee et al. 1994), artificial neural network (NN) (Chen et al. 1996, Ito and Omatu, 1998), support vector machines (SVMs) (Fukuda et al. 2002), fuzzy method (Chen et al. 2003, Du and Lee 1996), or other approaches (Kong et al. 1988, Lee and Hoppel 1992, van Zyl and Burnette 1992, Cloude and Pottier 1997, Lee et al. 1999, Alberqa 2004) Among these methods, the ML classifier (Lee et al. 1994) can be employed for obtaining accurate classification results, but it is based on the assumption of the complex Wishart distribution of the covariance matrix. Assessing the total aboveground biomass of forests (biomass density when expressed as dry weight per unit area at a particular time) is a useful way of quantifying the amount of resource available for all traditional uses. It either gives the quantity of total biomass directly or the quantity by each component (e.g., leaves, branches, and bole) because their biomass tends to vary systematically with the total biomass. However, biomass of each component varies with total biomass by forest type, such as natural or planted forests and closed or open forests. For example, leaves contribute about 3-5% and merchantable bole is about 60% of the total aboveground biomass of closed forests. Many researchers have developed various methods based on field inventory and remote sensing approaches for the estimation of above ground biomass (Kira and Ogawa, 1971). Traditionally, field-measured approach is considered as the most accurate source for above-ground biomass estimation. It has been converted to volume, or biomass, using allometric equations that are based on standard field measurements (tree height and diameter at breast height). Different approaches, based on field measurement (Brown et al. 1989, Brown and Iverson 1992, Schroeder et al.. 1997, Houghton et al., 2001, Brown, 2002); remote sensing (Tiwari 1994, Roy and Ravan 1996, Tomppo et al., 2002, Foody et al., 2003, Santos et al., 2003, Zheng et al., 2004, Lu, 2005); and GIS (Brown and Gaston 1995) have been applied for AGB estimation. Traditional techniques based on field measurement are the most accurate ways for collecting biomass data. A sufficient number of field measurements is a prerequisite for developing AGB estimation models and for evaluating the AGB estimation results. However, these approaches are often time consuming, labour intensive, and difficult to implement, especially in remote areas and are generally limited to 10-year intervals. Also, they cannot provide the spatial distribution of biomass in large areas. For the above reasons, the perspectives of using remote sensing techniques to estimate forest biomass have gained interest. Remote sensing data available at different scales, from local to global, and from various sources, optical to microwave are expected to provide information that could be related indirectly, and in different manners, to biomass information. The possibility that aboveground forest biomass might be determined from space is a promising alternative to ground-based methods (Hese et al., 2005). The advantages of remotely sensed data, such as in repetivity of data collection, synoptic view, digital format that allows fast processing of large quantities of data, and the high correlations between spectral bands and vegetation parameters, make it the primary source for large area AGB estimation, especially in areas of difficult access. Therefore, remote sensing-based AGB estimation has increasingly attracted scientific interest. In general, AGB can be estimated using remotely sensed data with different approaches, such as multiple regression analysis, K nearest-neighbour, and neural network (Roy and Ravan 1996, Nelson et al. 2000a, Steininger 2000, Foody et al. 2003, Zheng et al. 2004), and indirectly estimated from canopy parameters, such as crown diameter, which are first derived from remotely sensed data using multiple regression analysis or different canopy reflectance models (Wu and Strahler 1994, Woodcock et al. 1997, Phua and Saito 2003, Popescu et al. 2003). Spectral signatures or vegetation indices are often used for AGB estimation in optical remote sensing. Many vegetation indices have been developed and applied to biophysical parameter studies (Anderson and Hanson 1992, Anderson et al. 1993, Eastwood et al. 1997, Lu et al. 2004, Mutanga and Skidmore 2004). Vegetation indices have been recommended to remove variability caused by canopy geometry, soil background, sun view angles, and atmospheric conditions when measuring biophysical properties (Elvidge and Chen 1995, Blackburn and Steele 1999). Radar remote sensing has potential to provide information on above ground biomass. The information content of SAR data in terms of the retrieval of biomass parameters will be assessed based on an understanding of the underlying scattering mechanisms, which in turn are derived from observations and modeling results. For this purpose, an analysis of data acquired by multiple frequency, incidence and polarisation systems and by interferometric systems is carried out. It has been proved that the sensitivity to biomass parameters differ strongly at different frequencies, polarisations and incidence angles. In general, long wavelength SAR backscatter (P and L band) is more sensitive to forest biomass than shorter wavelength C-band backscatter and the relationships saturate at certain biomass levels ( Imhoff 1995b). The strength of the relationships and the saturation levels are dependent on the type of forest being analysed (Ferrazoli et al. 1997). The saturation levels for the estimation of above ground biomass depend on the wavelengths (i.e. different bands, such as C, L, P), polarization (such as HV and VV), and the characteristics of vegetation stand structure and ground conditions. C-band can measure forestry biomass up to app. 50 tons/ha, L-band can measure up to 100 tons/ha and P-band can measure up to 200 tons/ha (Floyd et al., 1998). The combination of multiple channels and polarizations provides greater advantage for estimating total biomass (Harry Stern, 1998). RELEVANCE OF THE STUDY: The present study is the part of Radar Imaging satellite Joint Experiment Programme (RISAT-JEP) for forestry applications undertaken by Forestry and Ecology Division of National Remote Sensing Centre (NRSC), as a pilot campaign with specific objectives of above ground biomass estimation and vegetation type classification using airborne DLR (German Aerospace Center) carrying ESAR (Experimental Synthetic Aperture Radar) data for Rajpipla (Gujarat) study site and space borne ENVISAT (Environmental Satellite) carrying Advanced Synthetic Aperture Radar (ASAR) data for three test sites viz., Rajpipla (Gujarat), Dandeli (Karnataka) and Bilaspur (Chattisgarh), India. SCOPE OF THE STUDY: The specific objectives of the present study are above ground biomass estimation and vegetation type classification using airborne DLR (German Aerospace Center) carrying ESAR (Experimental Synthetic Aperture Radar) data for Rajpipla (Gujarat) study site and space borne ENVISAT (Environmental Satellite) carrying Advanced Synthetic Aperture Radar (ASAR) data; ALOS (Advanced Land Observing Satellite) carrying Phased Array L-band Synthetic Aperture Radar (PALSAR) for three test sites viz., Rajpipla (Gujarat), Dandeli (Karnataka) and Bilaspur (Chattisgarh), India. Different techniques such as Regression analysis, multi-sensor fusion, texture measures and interferometric coherence were used to characterize different biomass ranges of the test sites and to classify the major land cover classes using spaceborne C-band ENVISAT-ASAR data and L-band ALOS- PALSAR data. Polarimetric signatures, polarimetric decompositions, multi-sensor fusion techniques etc. were used for the classification of different vegetation types in the Rajpipla study area using the airborne DLR-ESAR data. The study has its uniqueness and gains importance in the application potential of SAR interferometry over tropical regions like India, both in terms of an alternate/substitute to optical data sets due to persisting cloud cover and to the lack of availability of any earlier scientific work over the study region. This study is useful for the applications of to be launched Radar Imaging Satellite (RISAT) in 2010. The study has amply demonstrated the application potential of airborne and space borne SAR data in the quantification of the forest resources in tropical regions like India, both as a complementary and supplementary role to optical datasets. The study would facilitate future research in tropical regions to explore the potentials of SAR data in land cover classification and above ground biomass estimation using the polarimetric and interferometric techniques. LITERATURE SURVEY: During the last decade, many potential applications of SAR in different frequency bands have been studied for forestry applications using data acquired by both airborne and space-borne systems. Various techniques like Polarimetry, Interferometry and Polarimetric-Interferometry enhanced the use of SAR data in forestry applications. The backscatter from vegetation is used to infer information about amplitude data for forest cover mapping and estimation of above ground biomass in regenerating forests. Use of SAR polarimetric data delineated vegetation classes within the forest and also enhanced the capability in estimating the above ground biomass. The use of repeat pass interferometric data enables to calculate the forest stand height and also used for the land cover classification. The emerging Pol-InSAR technique is used to derive the three dimensional forest structures. Forest cover maps were prepared for the boreal, temperate and tropical forests using SAR data. Forest was separated from non-forest regions using multi-temporal C-band ERS SAR data on the test sites of United Kingdom, Poland and Finland (Quegan et al., 2000). The study applied a threshold value to separate forest from other classes. Tropical rainforest of Borneo was mapped from SIR-B data of different incidence angles (Ford and Casey, 1988). Different vegetation covers along with wetlands and clear-cut areas were distinguished. Forest cover mapping was done with JERS-1 SAR data on the coastal regions of Gabon (Simard et al., 2000). The study used decision tree method utilizing both radar amplitude and texture information. Forest cover map was prepared for Southern Chittagong using JERS-1 SAR data (Rahman and Sumantyo, 2007) and the study separated forest, degraded forest, shrubs, coastal plantations, agriculture, shrimp-farms, urban and water. Although radar backscatter from forest is influenced by their structural properties (Imhoff, 1995a), many studies have demonstrated useful relationships between backscattering coefficients and the areal density of above-ground biomass within particular types of forest (Baker et., 1994; Le Toan et al., 1992; Dobson et al., 1992; Imhof et al; 1995b). Many airborne and spaceborne SAR systems have been used to carry out a large amount of experiments for investigating the forest ecosystems. The airborne systems, such as the NASA/JPL AIRSAR, DLR-ESAR, etc., operating at P, L and C band, has been flown over many forest sites (Zebker et al., 1991; Le Toan et al, 1992; Beaudoin et al., 1994; Rignot et al.; 1994; Skriver et al., 1994; Ranson et al., 1996). The experiments of the Canadian CV-580, as well as the European airborne system, mainly operating at C and X band also have been carried out in North America and Europe (Drieman et al., 1989; Hoekman, 1990). Spaceborne SAR is being used from regional to global monitoring in a periodic basis. The spaceborne systems, such as the Seasat SAR, SIR-B, SIR-C/X-SAR and ERS-1, ERS-2, ENVISAT-ASAR, RADARSAT etc., were used for investigations of boreal, temperature and sub-tropical forestry test sites (Ford et al., 1988; Dobson et al., 1992; Ranson et al., 1995; Stofan et al., 1995; Rignotet al., 1995). These experiments and studies have shown that radar is sensitive to forest structural parameters such as diameter at breast height (dbh) and tree mean height including above-ground biomass (Dobson et al., 1992; Pulliainen et al., 1994; Skriver et al., 1994; Ferrazzoli et al., 1995; Ranson et al., 1996). Earlier studies has shown the potential of radar data in estimating AGB (Hussin et al. 1991, Ranson and Sun 1994, Dobson et al. 1995, Rignot et al. 1995, Saatchi and Moghaddam 1995, Foody et al. 1997, Harrell et al. 1997, Ranson et al. 1997, Luckman et al. 1997, 1998, Pairman et al. 1999, Imhoff et al. 2000, Kuplich et al. 2000, Castel et al. 2002, Sun et al. 2002, Santos et al. 2003, Treuhaft et al. 2004). Kasischke et al. (1997) reviewed radar data for ecological applications, including AGB estimation. Lucas et al. (2004) and Kasischke et al. (2004) reviewed SAR data for AGB estimation in tropical forests and temperate and boreal forests, respectively. Different wavelength radar data have their own characteristics in relating to forest stand parameters. Backscatter in P and L bands is highly correlated with major forest parameters, such as tree age, tree height, DBH, basal area, and AGB (Leckie 1998). In particular, SAR L-band data have proven to be valuable for AGB estimation (Sad er 1987, Luckman et al. 1997, Kurvonen et al. 1999, Sun et al. 2002). However, low or negligible correlations were found between SAR C-Band backscatter and AGB (Le Toan et al. 1992). Beaudoin et al. (1994) found that the HH return was related to both trunk and crown biomass, and the VV and HV returns were linked to crown biomass. Harrell et al. (1997) evaluated four techniques for AGB estimation in pine stands using SIR C- and L-Band multi-polarization radar data and found that the L-Band HH polarization data were the critical elements in AGB estimation. Kuplich et al. (2000) used L-band JERS-1/SAR data for AGB estimation of regenerating forests and concluded that these data had the potential to estimate AGB for young, regenerating forests. Sun et al. (2002) found that multi-polarization L-Band SAR data were useful for AGB estimation of forest stands in mountainous areas. Castel et al. (2002) identified the significant relationships between the backscatter coefficient of JERS- 1/SAR data and the stand biomass of a pine plantation. The study observed the improvement in AGB estimation results for young stands, compared to estimation for old stands. Santos et al. (2002) used JERS-1 SAR data to analyse the relationships between backscatter signals and biomass of forest and savanna formations. This study concluded that forest structural-physiognomic characteristics and the radars volume scattering, double bounce scattering are two important factors affecting these relationships. The saturation levels of backscattering co-efficient with respect to AGB depend on the wavelengths (i.e. different Bands, such as C, L, P), polarization (such as HV and VV), and the characteristics of vegetation stand structure and ground conditions. Luckman et al. (1997) found that the longer-wavelength (L-Band) SAR image was more suitable to discriminate different levels of forest biomass up to a certain threshold, indicating that it is suitable for estimating biomass of regenerating forests in tropical regions. Austin et al. (2003) indicated that forest biomass estimation using radar data may be feasible when landscape characteristics are taken into account. The radar backscattering coefficient is correlated with forest biomass and stem volume (Le Toan et al. 1992, Israelsson et al. 1994, Kasischke et al. 1994, Dobson et al. 1995). The sensitivity of Synthetic Aperture Radar (SAR) data to forest stem volume increases significantly as the radar wavelength increases (Israelsson et al. 1997). The imaging process makes SAR suitable for mapping parameters related to forest biomass, like stem volume (Baker et al, 1999; Fransson et al, 1999; Hyyppa et al, 1997; Israelsson et al., 1997; Kurvonen et al, 1999; Pulliainen et al, 1996), total growing stock (Balzter et al, 2000; Schmullius et al, 1997), LAI (Imhoff et al, 1997), or above ground net primary productivity (Bergen et al, 1998). Le Toan et al., (1992) used multi-polarisation L- and P-band airborne radar data, and found that the dynamic range of the radar backscatter corresponded highly with forest growth stages and is maximum at P-band HV polarization. The analysis of P-band data indicated a good correlation between the radar backscatter intensity and the main forest parameters including trunk biomass, height, age, diameter at breast height (dbh), and basal area. Dobson et al., (1992) showed an increasing range of backscatter with changing biomass from C to P-band, as well as higher biomass levels at which backscatter relationships to biomass saturate. Hoekman, (1990) found poor relationships between X- and C-band backscatter and volume and other stand parameters. The spaceborne systems, such as the Seasat SAR, SIR-B, SIR-C/X-SAR and ERS-1, ERS-2, JERS, ENVISAT-ASAR and recently ALOS-PALSAR etc. were used for investigations of boreal, temperature and sub-tropical forestry test sites (Ford et al., 1988; Dobson et al., 1992; Ranson et al., 1995; Stofan et al., 1995; Rignot et al., 1995). These experiments and studies have shown that radar is sensitive to forest structural parameters including above-ground biomass (Dobson et al., 1992; Pulliainen et al., 1994; Skriver et al., 1994; Ferrazzoli et al., 1995; Ranson et al., 1996). Kasischke et al., (1997) reviewed radar data for ecological applications, including AGB estimation. It is being reported in literature that the radar backscatter in the P and L bands is highly correlated with major forest parameters, such as tree age, tree height, DBH, basal area, and AGB. In particular, SAR L-Band data have proven to be valuable for AGB estimation (Sader, 1987; Luckman et al., 1997; Kurvonen et al., 1999; Sun et al., 2002). Kuplich et al., (2000) used JERS-SAR data for AGB estimation of regenerating forests and concluded that these data had the potential to estimate AGB for young, regenerating forests. Luckman et al., (1997) found that the longer-wavelength (L-Band) SAR image was more suitable to discriminate different levels L-Band backscatter shows no sensitivity to increased biomass density after a certain threshold, such as 100 tons ha-1, indicating that it is suitable for estimating biomass of regenerating forests in tropical regions. The radar backscattering coefficient is correlated with forest biomass and stem volume (Le Toan et al. 1992; Israelsson et al., 1994; Kasischke et al., 1994, Dobson et al., 1995). The sensitivity of Synthetic Aperture Radar (SAR) data to forest stem volume increases significantly as the radar wavelength increases (Israelsson et al., 1997). The imaging process makes SAR suitable for mapping parameters related to forest biomass, like stem volume (Baker et al., 1999; Israelsson et al., 1997; Pulliainen et al., 1996), total growing stock (Balzter et al., 2000; Schmullius et al., 1997), LAI (Imhoff et al., 1997), or above ground net primary productivity (Bergen et al., 1998). The dependency of backscatter on above ground biomass was observed and related to the penetration of the radiation into the canopy and interaction with the trunk, where most of the volume, therefore, biomass of the vegetation is concentrated (Sader 1987, Le Toan et al. 1992, Dobson et al. 1992). HV polarization in longer wavelengths (L or P band) is the most sensitive to above ground biomass (Sader 1987, Le Toan et al. 1992, Ranson et al. 1997a) because it originates mainly from canopy volume scattering (Wang et al. 1995), trunk scattering (Le Toan et al. 1992) and is less affected by the ground surface (Ranson and Sun 1994). As forest backscatter in different wavelengths and polarizations originate from separate layers of a canopy, the use of multiple channels or multi-step approaches (e.g., Dobson et al. 1995) could be used to estimate total above-ground biomass (Kasischke et al. 1997). Sun and Ranson (1994) estimated biomass in mixed conifer temperate forest upto 250 Mg/ha. Band ratios (HH/HV and VV/VH) were also used for the above ground biomass estimation. However, Dobson et al. (1995) considered these band ratios too simplistic (as the corresponding backscatter will be much higher for the few tall trees than for the many short ones), although effective in estimating biomass at higher ranges. In spite of this, a combination of bands and polarizations in a multi-step approach made possible the mapping of biomass in a mixed temperate forest upto 250 Mg/ha (Dobson et al. 1995). Establishing a strong link between backscatter and forest variables is an important part of the successful estimation of forest biomass from backscatter. Models are often used to explain the relationship between forest variables, scattering mechanisms and SAR configuration parameters (Richards 1990, Kasischke and Christensen 1990). Another approach is the use of statistical analysis, where forest variables are related to SAR backscatter by regression models (Sader 1987, Le Toan et al. 1992, Rauste et al. 1994). The combination of the two approaches, in most cases to assess the results of the predicted biomass or backscatter via regression (Ranson and Sun 1994, Ferrazzoli et al. 1997, Franson and Israelson 1999). Statistical procedures such as stepwise regression analysis were also used to determine the best set of bands and pola

Ethical Judgements

1. Ethical judgements limit the methods available in the production of knowledge in both the arts and the natural sciences. Discuss.a. What areas of knowledge & ways of knowing should be investigated? The arts, the natural sciences, ethicsb. What’s the question getting at? The question is asking about the way in which ethical judgements can impinge on the way we both create (rather than interpret) the arts and the natural sciences. Basically, it’s leading students on to an exploration of controversies within the arts and the natural sciences in terms of the subject matter they deal with.c. What are the potential knowledge issues? To what extent do ethical considerations constrain the way the arts are created? To what extent do ethical considerations limit natural science experimentation and research? For more ideas, check out section 10 of the Essay Guide.d. What sort of real life situations can be drawn on? We’re interested in examples of where artists and scien tists have been hampered (or encouraged) by ethical judgements. There are many ready-made examples for the natural sciences. For the arts, it is perhaps not so straightforward, but there are still lots of examples of ethically questionable works of art. In terms of counterclaims, it is the arts that are better served by real life situations, with plenty of pieces produced in order to tackle (and produce) ethical judgements.But here, too, you should be able to find scientific knowledge that has been discovered in order to solve ethical problems. You’ll find more specific examples, in the last section of the Guide.e. What are the difficulties and challenges of this question? The question is perhaps a little confusingly worded, but it is clear in terms of the areas of knowledge to be tackled. Including personal examples will be trickier in this question than finding outside examples.2. â€Å"When the only tool you have is a hammer, all problems begin to resemble nails† (A braham Maslow). How might this apply to ways of knowing, as tools, in the pursuit of knowledge?a. What areas of knowledge & ways of knowing should be investigated? The question is a broad one, and allows students to focus on their own choice of WOKs. It also potentially allows students to bring in the AOKs as well – particularly natural/human sciences (the scientific method), history (the historical method), and the arts (creation of art).b. What’s the question getting at? The question asks students to consider the way in which WOKs are used to provide us with knowledge.The quote suggests that if we view WOKs in too narrow and homogenous a way, it could limit the amount and type of knowledge we are able to acquire. The question requires students to consider the nature of each way of knowing, and try to think a little more creatively about each one; in addition, students could also consider how the areas of knowledge can themselves act as ways of knowing – ie, in terms of the scientific or historical method, and in terms of art as a way of knowing rather than an area of knowledge. Given that this is a question for the 2008 curriculum, its focus are the four ways of knowing (emotion, language, reason, sense perception).A quick look at the new curriculum will provide new possibilities for this, and perhaps provide a key to approaching the question (considering the validity of faith, imagination, intuition, memory).c. What are the potential knowledge issues? Are the four ways of knowing the only means of acquiring knowledge? Do we acquire knowledge only through the ways of knowing, or can it be acquired via the areas of knowledge? For more ideas, check out section 10 of the Essay Guide..d. What sort of real life situations can be drawn on? Given how broad the question potentially is, there is a large range of real life situations that can be drawn on. You’ll find more specific examples, in the last section of the Guide.e. What are the d ifficulties and challenges of this question? The quote is a lovely one, and it could lead on to some interesting knowledge issue discussion. However, the non-specific nature of the question (not only does it not stipulate which WOKs/AOKs, it also does not mention how many should be considered) means that it will be very easy to go astray with this question. Responses have to narrow down specific examples of how the ways of knowing can sometimes impeded our pursuit of knowledge if we do not apply them in an imaginative way.3. â€Å"Knowledge is nothing more than the systematic organisation of facts.† Discuss this statement in relation to two areas of knowledge.a. What areas of knowledge & ways of knowing should be investigated? This is another broad question, although unlike title no.2, it does state how many WOKs/AOKs should be tackled (two AOKs). Given this, it would make sense to focus on two distinct AOKs, such as ethics and natural sciences, or the arts and history.b. Wha t’s the question getting at? The question asks students to consider the nature of knowledge within their two chosen AOKs. ‘Systematic organization of facts’ suggests quantitative knowledge; students must consider to what extent this is true, and then offer a counter-claim in which they discuss how much qualitative knowledge, and other forms of knowledge the particular AOKs consist of. Students should bear in mind that the title implies a process – ie, ‘organizing facts’, rather than a static type of knowledge – ie, ‘organized facts’; the two possible meanings could lead to different types of essays. A clear definition of ‘facts’ needs to be provided in the introduction, to give responses a firm footing.c. What are the potential knowledge issues? To what extent can we build up a thorough understanding of the human/natural sciences by processing purely quantitative knowledge? To what extent does ethical knowledge involve the consideration of factual information? For more ideas, check out section 10 of the Essay Guide.d. What sort of real life situations can be drawn on? Real life situations can be taken easily from personal experiences related to the AOKs chosen, so students can think about the level of the understanding they have built up by dealing with systemized facts. You’ll find more specific examples, in the last section of the Guide.e. What are the difficulties and challenges of this question? Given that the essay is clear about its scope, this question is probably easier to approach than question 2. Having said that, it depends on how students tackle this notion of ‘systemized facts’. If they do so in terms of ‘natural science consists of systemized facts’, they may have problems; if they do so in terms of ‘natural science consists of building up systemized facts’, they will be able to tackle the question more easily.4. â€Å"That whic h is accepted as knowledge today is sometimes discarded tomorrow.† Consider knowledge issues raised by this statement in two areas of knowledge.a. What areas of knowledge & ways of knowing should be investigated? Similar to question 3, this title asks students to consider two AOKs. The question lends itself to AOKs that offer more objective, yet regularly updated, knowledge, such as history, the human sciences, and the natural sciences. Ethics also ties in very well, and could link up very nicely with history.b. What’s the question getting at? The question is referring to the extent to which knowledge is subject to review and revisionism over time. Thus, although we may believe we possess objective facts, from a different perspective gained by progress, such facts become re-interpreted in the light of new evidence, discoveries, technology, or societal trends. In short, the question is asking students the extent to which knowledge is provisional. Note the use of the word ‘sometimes’, though, meaning that you shouldn’t make generalizations about the whole of knowledge.c. What are the potential knowledge issues? To what extent does historical knowledge need revision? Are there any theories or laws in the human sciences that have withstood the test of time? For more ideas, check out section 10 of the Essay Guide.d. What sort of real life situations can be drawn on? In terms of the AOKs mentioned above, appropriate real life situations may involve a way of interpreting a past event, a method of studying human behaviour, knowledge about the natural world, or an accepted way of behaving. In terms of personal examples, students can easily apply their own learning of a particular subject (related to one of the AOKs they have selected), and how their understanding of it has been subject to change over time. You’ll find more specific examples, in the last section of the Guide.e. What are the difficulties and challenges of this ques tion? This is a more straightforward question to get to grips with, as it focuses on a concept that should be familiar to most students.5. â€Å"The historian’s task is to understand the past; the human scientist, by contrast, is looking to change the future.† To what extent is this true in these areas of knowledge?a. What areas of knowledge & ways of knowing should be investigated? This question is clearly focused on history and the human sciences. It could require some consideration of the method used by both historians and human scientists, in an attempt to gauge the purpose of each one.b. What’s the question getting at? The question asks students to consider the purpose of both AOKs, and decide to what extent one merely looks back, and one looks forward. Obviously, the title is a rather arbitrary one: there can’t be only one purpose to an AOK, and AOKs overlap hugely anyway (particularly history and the human sciences). So students should use the ques tion for a launching pad into a more wide-ranging discussion of the aim of both AOKs, not, perhaps, sticking quite so rigidly to the assertion implicit in the title.c. What are the potential knowledge issues? To what extent is history only focused on past events? To what extent do the  human sciences aim to change the way societies behave? For more ideas, check out section 10 of the Essay Guide.d. What sort of real life situations can be drawn on? The arguments for this essay need to be based on history studies that have been done only in the context of the past, and human science cases that have not drawn on past events. Counterclaims need to contrast those RLSs – which will be much easier to do. You’ll find more specific examples, in the last section of the Guide.e. What are the difficulties and challenges of this question? The two AOKs are very similar ones – indeed, outside the world of TOK, history is a human science, so students may find it hard to contr ast the respective methods used, and knowledge that is acquired. Historians often work alongside human scientists, and vice versa, in order to understand past, present, and future societies, so using such an arbitrary and contrived statement will present problems for students. Finally, talking of an overriding ‘purpose’ for AOKs is fraught with difficulties: can we say there is one reason why historians/human scientists do their respective jobs? Having said all that, there’s plenty of scope to attack the question!6. â€Å"A skeptic is one who is willing to question any knowledge claim, asking for clarity in definition, consistency in logic and adequacy of evidence† (adapted from Paul Kurtz, 1994). Evaluate this approach in two areas of knowledge.a. What areas of knowledge & ways of knowing should be investigated? This is the third title that asks students to consider two non-specific areas of knowledge, and the fifth one that focuses on AOKs rather than WO Ks. For this title, appropriate AOKs are ones that make knowledge claims of which people can ‘question†¦asking for clarity in definition, consistency in logic and adequacy of evidence’. In other words, AOKs that require clear evidence to support the knowledge they deal with. Although this could conceivably work with any AOK, the arts are trickier to use within this title, as is mathematics.b. What’s the question getting at? The question provides a framework (ie the way a skeptic approaches knowledge) that can be applied to the two AOKs. As outlined in ‘e’, what this framework leads us onto is not immediately apparent. Presumably, the essay is supposed to assess how well this approach can be applied to the chosen AOKs, in order to provide us with certain knowledge.c. What are the potential knowledge issues? To what extent does the natural sciences/human sciences/history/ethics require logic and evidence in order to acquire knowledge? For more ide as, check out section 10 of the Essay Guide.d. What sort of real life situations can be drawn on? Appropriate RLSs depend on the AOKs chosen, but what is needed here are RLSs that illustrate how the approach can work, and RLSs indicating that such an approach is not always effective. You’ll find more specific examples, in the last section of the Guide.e. What are the difficulties and challenges of this question? The difficulties are in working out what the question wants students to do with the skeptics’ approach to knowledge. Does it want students to assess how well this approach works in the two AOKs (ie whether it leads us to certain knowledge)? Does it want students to assess whether such an approach can be used at all? Does it want us to focus on the skeptic, or on the AOK?

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The Us Policy On Maternity Leave Falls Short - 1665 Words

The US policy on maternity leave falls short when compared to the rest of the world’s industrialized countries. This country is the last industrialized one left to not have mandated paid maternity leave for new mothers. American mothers are plagued with the pressure of having to take care of their newborn(s) and economic situation for at least twelve weeks. They’re at a greater risk of having an unstable income, family life, and health. This is despicable. It is imperative that the United States rectifies this situation and introduces paid maternity leave for the workforce as an emendation in order to provide mothers with a sense of security and wellbeing while taking time off to care for their newborns. It’s time for the US to join the†¦show more content†¦If you look at total paid leave provided, it averages at 53.7 weeks with a 59.2% of wages being paid. All of these numbers are extremely impressive compared to the zero weeks of paid maternity leave t hat the United States provides. Additionally, paid maternity leave ends up providing a huge benefit to the children of the employee as the report, â€Å"The Economics of Paid and Unpaid Leave,† from the Council of Economic Advisors stated in the following: Other studies have found that maternity leave increases women’s likelihood of successfully nursing their infants. There is also evidence that children have shorter hospital stays when their parents are able to stay home and care for them. The current evidence on children’s outcomes emphasizes the importance of the early childhood and prenatal environment, so there are likely large long-term benefits of polices that improve infant health. One study found higher educational attainment, lower teen pregnancy rates, higher IQ scores, and higher earnings in adulthood for children whose mothers used maternity leave, suggesting paid leave policies can have long-term benefits as well. Children who do not have adequate parental care are more likely to show up sick to school and infect others. Studies also suggest that those with paid sick leave are more likely to utilize preventative health care such as cancer screening. Therefore, not only does

Capitalism And Managers Capitalism - 1598 Words

2. (800 Words for Question Two) John Bogle, in his article Democracy in corporate America, defines capitalism in two different ways, owner’s capitalism and manager’s capitalism. According to Bogle, owner’s capitalism is defined with the idea that purpose of a business or corporation is to make a profit. Manager’s capitalism, Bogle notes, is defined by William Pfaff with the idea that â€Å"the corporation came to be run to profit its managers, in complicity if not conspiracy with accountants and the managers of other corporations† (Bogle, p. 26). These two definitions of owner’s capitalism and manager’s capitalism provide great insight about today’s corporate America. The two previous descriptions that John Bogle provides of owners and managers capitalism show us the true difference between the traditional idea of capitalism, and the more modern idea, as William Pfaff describes. In order for the differentiation to be clear, we must understand what Bogle is saying in his descriptions of the two types of capitalism. First, owner’s capitalism says that the owner(s) of the company have one basic goal, and that is to make a profit, benefiting the owners in a way so to make a return on their investment into the company. So if the idea of capitalism is to make a profit for the company as a whole, then what is manager’s capitalism, and how did it originate? Bogle describes a situation that can commonly seen in corporate America, which describes manager’s capitalism perfectly.Show MoreRelatedCapitalism And Manager s Capitalism Essay800 Words   |  4 Pagesdefines capitalism in two different ways, owner’s capitalism and manager’s capitalism. According to Bogle, owner’s capitalism is defined with the idea that purpose of a business or corporation is to make a profit. Manager’s capitalism, Bogle notes, is defined by William Pfaff with the idea that â€Å"the corpora tion came to be run to profit its managers, in complicity if not conspiracy with accountants and the managers of other corporations† (Bogle, p. 26). These two definitions of owner’s capitalism andRead MoreParadigm Shift of Firms from Capitalism to CSR (Rationale) The integration of social700 Words   |  3 PagesParadigm Shift of Firms from Capitalism to CSR (Rationale) The integration of social responsibilities in business that emerged with the financial capitalists spurred a fierce debate on whether or mot CSR should be included in the corporate objective function. the earliest reference to such criticism appears to be Ghent, who in 1902 criticized this new trend for its similarity to the economic feudalism of the middle Ages, and who argued that CSR was being used as a tool for forestalling public criticismRead MoreCorporate Social Responsibility And Its Effects On Consumers And Brand Equity1107 Words   |  5 Pagesbetween the two. As such, Holzinger and Prasada (2013) explored the concept of Slavoj Zizek s neo-Marxist and psychoanalytic-inflected work on the false consciousness of ideology (Zizek, 2000) which can represent how manager’s conduct CSR with unethical intentions. It suggests that capitalism is a system that is fundamentally fraught in illogicality and that discourse in corporate reports can be strategically constructed as a means to promote market capitalisation. It concludes by stating that discourseRead MoreEmployee Motivation and Capitalism Essay1813 Words   |  8 Pagesfreedom. A Marxist view is that the managers are exploiting the workers and that there is class conflict. This essay will outline and identify if there is a problem with worker motivation, and will introduce a brief description of motivation and capitalism. If problems are identified with worker motivation possible solutions will be provided. 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Therefore, it is crucial for a producerRead MoreCharacter Analysis Of Blind Shaft942 Words   |  4 Pagesconsequence of not meeting the standards themselves, when death happens in the mine, the manager only attempts pay compensation money to the relatives of the dead because further investigation causes significant financial loss to the mine. In the manager’s mind, the idea of buying a life with several thousands of dollars is rooted, contributing to the smooth function of Tang and Song’s scam. Furthermore, Song’s action can be explained by the absence of education. Because he is uneducated, Song is unawareRead MoreDesign And Hermeneutic Phenomenology Research Paradig m Has Been Made Above ( Ch 56 )1000 Words   |  4 Pageswithin an organisation in predicated on their ability to lead, mobilise and direct subordinates. As a result, it might be argued that the model covers a very small element of the overall leadership and management process, focussing exclusively on the manager’s activity and leadership with their own subordinate team, and missing the larger organisational function of the leader, their entrepreneurial activity, and engagement with supraordinate managers. This is an acknowledged failing, based upon Parson’sRead MoreCritically Discuss the Contribution of the Work of Frederick W. Taylor to Management Thought and Practice. Pay Particular Attention to How His Ideas Were Shaped by the Cultural Context of His Time, and to the Competing Interpretations of His Legacy.2445 Words   |  10 Pagesmanagement together, his views on human relations theory (HRT) and its links with people management, the theme of organization cult ure and post-bureaucracy and how it is effecting change management. The final theme I will discuss in my essay is fast capitalism and how it is ending management. 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Hrm and Ir Free Essays

Introduction â€Å"Human Resources Management† and â€Å"Industrial relations† has different concepts about the determination and functions of the both spheres. The essay deliberates the comparison and contrast on the key features of Human Resource Management and Industrial Relations in academic fields. Definitions of terms HRM and IR will be identified through the review of the origin and development of these two areas. We will write a custom essay sample on Hrm and Ir or any similar topic only for you Order Now Moreover, I have pointed out the theoretical scope of the two subjects and key features of HRM and IR. Finally, there is comparison and contrast between given subjects through the historical retrospective and paper review. Definition of Industrial Relations Why don’t we mention the fact that Industrial Relations have become a subject of scientific analysis since the end of the nineteenth century, when Sidney and Beatrice Webb (1984) couple published their studies of the regulation of employment in Britain. According to Dale Yoder,† industrial relations† describe â€Å"relationships between managements and employees or among employees and their organisations that characterise or grow out of employment. The study of industrial relations may therefore be described as a study of the institutions of job regulation† – suggested Flanders (1965, 10). It is prevailed for a time is beyond satisfaction of the academic study at present. â€Å"The view that IR is the study of processes of control over work relations, and among these processes, those involving coll ective worker organization and action are of particular concern is more adaptable to generalise specific and precisely for the subject†. Hyman, 1975) Definition of Human Resource Management Progression of the Human relations movement in the USA was the key point of the HRM terminology’s emergency. There have been a large amount of published studies investigating the definition of HRM in diverse standing and approaches, since the first British book on HRM published in the late 1980s, which was notably known as New Perspectives on Human Resource Management (Storey 1989). Storey (1989) considers that HRM can be regarded as â€Å"set of interrelated policies with an ideological and philosophical underpinning†. However, He determined HRM as a specific approach to employment management which aims to achieve competitive advantage through the strategic deployment of a highly committed and capable workforce, using an integrated array of culture, structural and personnel techniques, which is a comprehensive understanding of HRM. Storey (2007). Sisson (1990) sees HRM of four aspects of employment practice: an integration of HR policies with business planning; a shift in responsibility for HR issues form personnel specialists to line managers; a shift from the collectivism of management and, finally, an emphasis on commitment has further understanding of HRM. Ackers (2003) provided a general term on the definition of HRM, â€Å"HRM refers to all those activities associated with the management of work and people in firms and in other formal organisations†. Basic Research Interest of Human Resource Management The emergence of courses and models in HRM in universities and colleges is related to the fact that two influential journals, Human Resource Management Journal, edited by Keith Sisson at Warwick University, the International Journal of Human Resource Management, edited by Michael Poole at Cardiff were launched in 1990. The amount of literature was increased. Among these papers two appreciable theories is predominant leading, Fombrun et al (1984) matching model and the Harvard framework. Matching model focused on the connection between organizational strategy and HRM, in the meanwhile Frombrun et al divided HRM into four integral parts – selection, development, appraisal and reward stressing the significance of efficiency of work performance enhancement. (Marchington, 2005) On the other hand, the Harvard framework (Beer et al, 1985) involve six basic components with a broader expand from the inside out , that is, situational factors, stakeholder interests, policy choices, outcomes, long-term consequences and a feedback loop. However, neither of the models pays close attention to the respects of employment relationship. John Storey’s (2007) model is worth considering framework in HRM studies. Four key elements are summarized as foundational structure of HRM, that is beliefs and assumptions, strategic qualities, critical role of managers and key levers which activate HRM as an essentially tool and techniques for use by practitioners. However, currently HR changes and extends its functions beyond simple administration and personnel management. This area is becoming one of the strategic and reactive activity in the management of both organizations and other bodies. Basic Theory of Industrial Relations Colling et al (2010) comment that â€Å"Academic industrial relations is now outdated† either the problem of the â€Å"human factor† in work have all been solved, or they are better addressed by new approaches such as â€Å"human resource management† or â€Å"organisational behaviour†Ã¢â‚¬â„¢, however, in the statement by the British Universities Industrial Relations Association (BUIRA), they strongly disagree the claim. BUIRA) During the initiative academic research in IR, predominant focus upon collective institutions and processes which embody trade unions, collective bargaining and strikes are the mainstream scope of IR study. Compared with the origin IR, modern IR emphasized on the experience of work, both individual and collective, and with all sources of the rules that govern the employment r elationship. Therefore, IR was widely regarded as having two major subdivisions within it. The first dealt with the management of labour, the second with collective bargaining and methods of workforce governance (Russell Sage Foundation, 1919). It should be pointed out, that industrial relations today are in â€Å"crisis†. In academia, its traditional positions are threatened on one side by the dominance of mainstream economics and organizational behaviour, and on the other by postmodernism. The importance of work, however, is stronger than ever, and the lessons of industrial relations remain vital. Purcell) Comparison and contrast of Human Resource Management and Industrial Relations The interrelation between HRM and IR is complicated. From the one sight, HRM was considered as one of the branch of IR in the early 1960s for majority of scientists, then in modern conditions HRM has largely been regarded as a separate subject underlying distinguish perspectives and divergent points of the field. However, HRM and IR do have some parallels and common ground in employmen t issues, concerns about personnel and departments and humane labour. From the above, it can be concluded that to a large extent HRM has an â€Å"inside† view of the problem according to the employment, highlighting and labour issues. While IR takes an â€Å"external† prospective with an emphasis on workers and communities. The purpose and functions are not one and the same for the two spheres. The main purpose of personnel management is an organizational effectiveness using an instrumental approach to the promotion of employees nd interest. As for the IR, the goal â€Å"is a combination of organizational performance and employee well-being, as well as the workers’ interest priorities. Generally, IR provides a multi-layer discernment of employment relationships and interconnections between the workplace, the company, the sector, the national regulatory framework in the light of multi-disciplinary approach involving sociology, political science, economics, history and law. HR assumes conflict not inevitable and can be minimized by management; IR sees conflicts as inevitable requiring third-party intervention. HRM and IR are distinguished in various respects with different standpoints and approaches. (Sisson) Frequently, HRM teaching accepts management’s objectives uncritically, concentrates on activities at company level without exploring the societal and institutional environment, and has its disciplinary basis primarily in psychology and organizational sociology rather than the social sciences more broadly. Despite of the inevitable irreconcilable antagonisms between the two subjects, there is a closely link of HR and IR providing a complementary foundation of the exchange and development of the employment issues. (Ackers) Conclusion The essay discusses the definition of HRM and IR and significant features in academic fields largely through an historical analysis of the two fields’ respective origins and development. HRM and IR fields are distinguished by numerous differences in their approach to research and practice. Reference Ackers, P. and Willkinson, A. 2003. Understanding Work and Employment, Oxford University Press Bach, S(ed), 2005, Managing Human Resources, 4th edition, Balckwell Publishing Boxall, P and Purcell, J, 2008, Strategy and HRM, 2nd edition, Palgrave Bruce E. K, 2001,Human resources and industrial relations Commonalities and differences, Human Resource Review, 11(2001) 339-374 BUIRA 2008. What’s the point of Industrial Relations? A statement by the British Universities Industrial Relations Association Colling, T. and Terry, M. 2010. Work , the employment relationship and the field of Industrial Relations’, in Colling, T and Terry, M (eds), Industrial Relations: theory and practice (3rd ed), Chinchester:Wiley, 3-25 Guest, D. (1987) ‘Human resource management and industrial relations’, Journal of Management Studies, 24(5), September: 503-521 Hyman, R. 1975. A Marxist Introduction to Industrial Relations. Basingsotoke: MacMillan. Paul Edwards edit , Industrial Rela tions Theory Practice in Britain, Blackwell Publishers Ltd, 1995 Marchington. M and Wikinson. A, 2005, Human Resource at work, 3th editon, CIPD, London Miller, P. 1987) ‘Strategic industrial relations and human resource management – distinction, definition and recognition’, Journal of Management Studies, 24(4) July:347-361 Sisson, K. (1990) ‘Introducing the Human Resource Management Journal’, Human Resource Management Journal, 1(1):1-11 Sisson K. â€Å"In Search of HRM†, op. cit. at 209 Strorey, J(ed), 2007, HRM : A critical text. 3rd edition, Routledge Redman, T . Wilkinson. A, 2001, Contemporary Human Resource Management, Financial Times Yoder Dale, 1948, Personnel Management and Industrial Relations. 3rd edition, New York, Prentice-Hall,Inc. How to cite Hrm and Ir, Essay examples