understanding the politics of ecological regulation appropriate use of the concept of ecosystem health
Tài liệu Handbook of Ecological Indicators for Assessment of Ecosystem Health ppt
Ngày tải lên :
17/02/2014, 20:20
... of the other chapters (chapters to 15) by presenting: A discussion of the selection of ecological indicators for assessment of ecosystem health A classification of indicators The definition of ... degradation of exergy is a consequence of the development of ecosystems from the early to the mature state, but APPLICATION OF INDICATORS FOR THE ASSESSMENT OF ECOSYSTEM HEALTH as ecosystems cannot ... abundance vs the logarithm of the sequence of species ordered in a decreasing order The slope of the straight line obtained allows the valuation of the pollution grade The higher the slope is, the higher...
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Handbook of Ecological Indicators for Assessment of Ecosystem Health - Chapter 1 pot
Ngày tải lên :
11/08/2014, 13:22
... discussion of the selection of ecological indicators for assessment of ecosystem health A classification of indicators The definition of some important holistic indicators An overview of all the applied ... Assessment Using Ecological Model Method (EMM) 5.3.2.2.1 The Analysis of Lake Ecosystem Structure 5.3.2.2.2 The Establishment of a Lake Ecological Model 5.3.2.2.3 The Calibration of the Ecological ... 1.1 The Role of Ecosystem Health Assessment in Environmental Management 1.2 The Conceptual Flow in This Volume References Chapter Application of Indicators for the Assessment of Ecosystem Health...
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Handbook of Ecological Indicators for Assessment of Ecosystem Health - Chapter 2 ppsx
Ngày tải lên :
11/08/2014, 13:22
... represents a conceptual diagram and the ecological network for a model of the nitrogen cycle The complexity of the ecological network in Figure 2.1 cannot be used as ecological indicator because the real ... Curves106 The K-dominance curve is the representation of the accumulated percentage of abundance vs the logarithm of the sequence of species ordered in a decreasing order The slope of the straight ... through the system, therefore the exergy stored in the ecosystem could be a reasonable indicator of the structure Kay (1991) presents the fundamental hypothesis that ecosystems will organize themselves...
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Handbook of Ecological Indicators for Assessment of Ecosystem Health - Chapter 3 docx
Ngày tải lên :
11/08/2014, 13:22
... pollution 3.5 WAS THE USE OF THE SELECTED INDICATORS SATISFACTORY IN THE TWO CASE STUDIES? In order to compare the efficiencies of the ecological indicators utilized in each of the case studies, ... measure the enrichment of the species, such as the Margalef s one, which are, in essence, a measurement in the number of species in a defined sampling unit Models of the abundance of species, as the ... case of specific exergy, the influence of such biomass fluctuations is very much diluted, as the factors related to the quality of the biomass take precedence In this sense, the loss of the taxonomic...
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Handbook of Ecological Indicators for Assessment of Ecosystem Health - Chapter 5 doc
Ngày tải lên :
11/08/2014, 13:22
... Chao It can therefore be applied to the calculation of ecological health indicators 5.3.2.2.4 The Calculation of Ecosystem Health Indicators The ecosystem health indicators used in the model include ... for the restoration of ecosystem health and the maintenance of their ecological service functions Since the mid-1980s, studies on lake ecosystem health have begun to attract the attention of environmentalists ... chapter for the assessment of lake ecosystem health The combinations of the three methods can be applied for the relative and absolute diagnosis as well as the prediction of lake ecosystem health...
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Handbook of Ecological Indicators for Assessment of Ecosystem Health - Chapter 6 ppsx
Ngày tải lên :
11/08/2014, 13:22
... analyze the model results, it is necessary to use ecological indicators that will allow a comparison of the health of the ecosystem from several scenario analyses Historically, the health of an ecosystem ... of the rapid degradation of environmental conditions and of an increase in the eutrophication of this ecosystem The decomposition of Ulva in summer (at temperatures of 25 to 30 C) produces the ... one-half of the total surface area and for one fourth of the water volume of the lagoon The bottom is flat and the sediment is composed of typical alluvial mud with a high clay and silt content in the...
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Handbook of Ecological Indicators for Assessment of Ecosystem Health - Chapter 7 doc
Ngày tải lên :
11/08/2014, 13:22
... translation of Darwin’s theory to thermodynamics by the use of exergy As an ecosystem develops, its biomass increases, and when all the inorganic matter is used to build biomass, a reallocation of the ... on the application of thermodynamic indicators for the assessment of ecosystem health in environmental management can probably be derived from these results Figure 7.1 gives an example of the ... exergy and the other three thermodynamic indicators together cover the properties normally associated with ecosystem health (Costanza, 1992) It is probably not possible to assess the health of such...
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Handbook of Ecological Indicators for Assessment of Ecosystem Health - Chapter 8 docx
Ngày tải lên :
11/08/2014, 13:22
... is influenced by the work of the SCOR/IOC Working Group 119, while prepared prior to the conclusion of the working group We see the key aspects of ecosystem health as a question of maintaining ... indicators and evaluating the combination of indicators that may best be used to evaluate the health of marine ecosystems Indeed, the key aspects of using indicators for management of ecosystems is centered ... down the food web’’ in the North Atlantic as demonstrated by the trend in the average trophic level of the catches during the second half of the twentieth century the North Atlantic takes the...
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Handbook of Ecological Indicators for Assessment of Ecosystem Health - Chapter 10 pdf
Ngày tải lên :
11/08/2014, 13:22
... rises as does the emergy flow through the forest On the other hand, the exergy of the forest is likely to decrease because of the loss of biomass density and of the consequent loss of biodiversity ... allow comparison of the environmental sustainability of processes when we want to consider both the use of resources and the global effects of the outputs of a process The use of emergy and exergy, ... 50.0 values of a higher order of magnitude than in any of the other systems used for comparison: man and nature are acting in synergy to enhance the performance of the ecosystem The fact that...
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Handbook of Ecological Indicators for Assessment of Ecosystem Health - Chapter 11 pot
Ngày tải lên :
11/08/2014, 13:22
... called the ‘‘environment.’’ The thermostat maintains the constancy of temperature and pressure within the environment The fulfillment of the second equality is then determined by a consistency of the ... about the quality of agricultural areas, from where the crops come from From the physical point of view, the environmental degradation can be identified with the concept of entropy (often used ... insufficient for these conditions, because the estimation of impact of agroecosystems on the environment was not foreseen The problem arises of how to estimate agriculture pressure and the degree of environmental...
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Handbook of Ecological Indicators for Assessment of Ecosystem Health - Chapter 12 potx
Ngày tải lên :
11/08/2014, 13:22
... concerning the structural patterns of these ecosystems Investigating the storage capacities of the two ecosystems, the biomass and the intrabiotic nutrients were used as indicators They are capable of ... factor of the temperature regulation of ecosystems The metabolic efficiency (respiration/biomass) of the forest was much higher than the efficiency of the arable land ecosystem This elucidates the ... 1999) The percentage of transpiration from the total evapotranspiration loss was 63% in the case of the forest ecosystem and 34% in the case of the field This signals the distinct significance of...
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Handbook of Ecological Indicators for Assessment of Ecosystem Health - Chapter 13 pptx
Ngày tải lên :
11/08/2014, 13:22
... representative of the typical series of watersheds located along the same side of the northern Apennines ridge The watershed is approximately 174.63 km2, and is located on the Emilian side of the northern ... of the interactions between adjacent ecological systems,’’ (di Castri et al., 1988) Therefore the nature of a habitat’s edge is not just a property of a specific habitat, but is the outcome of ... Liebermann, 1994) In the past, this watershed was almost fully covered by ancient forests, still present during the ducat of Parma at the end of the eighteenth century Around the end of the nineteenth...
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Handbook of Ecological Indicators for Assessment of Ecosystem Health - Chapter 14 pptx
Ngày tải lên :
11/08/2014, 13:22
... brief conceptual framework of the emergy synthesis theory (Odum, 1996) and systems ecology (Odum, 1983) that form the basis for understanding ecological systems within the context of ecosystem health ... overall ecosystem health with alterations of components or elimination of trophic levels within the system 14.7 RESTORING ECOSYSTEM HEALTH Restoration of ecosystems falls within the sphere of ecological ... illustrates the concept of a net benefit from ecological restoration The difference between the upper and lower lines in the graph is the benefit of restoration If the benefit is divided by the costs of...
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Handbook of Ecological Indicators for Assessment of Ecosystem Health - Chapter 15 pps
Ngày tải lên :
11/08/2014, 13:22
... observation or even the theoretical calculation — and thus quantification — of the totality of the actual consequences of human activities on ecosystems Since neither the carrying capacity nor the critical ... produced in the same production chain, converge into a further new process for the production of a product (P), both of them will contribute to the MI of the product P (i.e., their ecological ... potentially leads to the possible underestimation of the ecological impacts connected with the use of specific substances which may have a great impact on the environment (e.g., because of their ecotoxicity),...
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Handbook of Ecological Indicators for Assessment of Ecosystem Health - Chapter 16 potx
Ngày tải lên :
11/08/2014, 13:22
... productivities of most of other elements of the Ythan ecosystem are probably similar now to those in the pre-eutrophic period because of the nonmonotonic (hump-backed) nature of their response ... MEASURES OF ECOSYSTEM HEALTH A number of measures of ecosystem health have been made on the Ythan, partly in response to an awareness of the nutrient enrichment issue, but also because agencies ... effect on the score total than biological changes 16.5.4 Ecosystem Indicators A number of indicators of ecosystem health derive from ecological and ecosystem theory and several of these have...
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Handbook of Ecological Indicators for Assessment of Ecosystem Health - Chapter 17 (end) potx
Ngày tải lên :
11/08/2014, 13:22
... assessments of ecosystem health The challenge is to examine the Bay of Fundy and Gulf of Maine as a system and an ecosystem, and determine the type of change(s) occurring, the causes, the interactions, ... coping with disease on the one hand (the medical view), and the promotion of well-being and productivity on the other (the public health view) There are two dimensions of health — the Copyright © 2005 ... reporting on the health of the Bay of Fundy and its key issues 17.2 CONCEPTS OF MARINE ECOSYSTEM HEALTH 17.2.1 Conceptual Framework Various conceptual frameworks have been presented for assessing ecosystem...
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LAWYERS AND REGULATION The Politics of the Administrative Process doc
Ngày tải lên :
16/03/2014, 00:20
... account of the varieties of institutional form and the nature of the policy area, but the unique features of the American system compound the problem and beg the question of the significance of the ... particularly useful to conceive of the American way of regulation as a permanent “other” that stands only as a foil for the rest of the world As one observer framed the contemporary concern for regulation ... actions of the players The most important implication of describing regulation as a network is that the administrative agency is not the director or producer of the play, but an actor on the same...
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Model Policy Guidelines for the Appropriate Use of Social Media and Social Networking in Medical Practice ppt
Ngày tải lên :
24/03/2014, 02:20
... communications they may be unable to verify that the person on the other end of the electronic medium is truly the patient; likewise, the patient may not be able to verify that a physician is on the other ... opinion How these ethical standards relate to the proper use of social media by physicians is explored further in the next section Section Four Guidelines for the Appropriate Use of Social Media ... maintain a standard of professionalism in all social media and social networking interactions The FSMB is grateful for the efforts of the members of the Special Committee on Ethics and Professionalism...
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Báo cáo y học: "Advances in understanding the regulation of apoptosis and mitosis by peroxisome-proliferator activated receptors in pre-clinical models: relevance for human health and disease" potx
Ngày tải lên :
13/08/2014, 13:20
... [32,33] A number of studies point to the importance of the sequences flanking the PPREs for maintaining the optimal conformation of the PPAR-RXR heterodimers on the PPREs [34,35] These flanking ... and integrin-linked kinase are target genes of PPARβ The upregulation of these genes together with the down -regulation of PTEN led to an increase of Akt1 activity in keratinocytes and suppressed ... the group of synthetic ligands, fibrates are hypolipidaemic drugs used in the treatment of hyperlipidemia Most of them preferentially activate PPARα Others are industrial compounds [37] The insulin-sensitizing...
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Báo cáo y học: " The appropriate use of radiography in clinical practice: a report of two cases of biomechanical versus malignant spine pain" pps
Ngày tải lên :
13/08/2014, 14:20
... [3] The rate of radiography performed by doctors of chiropractic in the United States has decreased since the release of the 1998 Job Analysis of Chiropractic from the National Board of Chiropractic ... An important contributor to the high cost is the use of radiography for assessing patients with acute LBP In the United States, the annual cost of radiography of the low back was estimated at ... procedures and therapeutic exercise was the management regimen used in these patients The course of chiropractic care was nine weeks for the 54-year old female patient and four weeks for the 55-year...
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