Environmental Science : Toward a Sustainable Future

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  • Edition: 10th
  • Format: Paperback
  • Copyright: 2008-01-01
  • Publisher: Addison Wesley
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As the field of environmental science continues to evolve, this highly readable guide presents a full spectrum of views and information to help readers evaluate issues and make informed decisions. Reflects the changing environmental scene worldwide, with a wide range of viewpoints and information from the latest sources. Places new emphasis on issues such as emerging diseases like avian flu; the 4 th World Water Forum; the "gene revolution;" the Endangered Species Act controversy; restoration of the Everglades, and the 2005 Global Forest Resources Assessment. Strives for a balance between pure science and the political, social, and historical perspectives of environmental affairs. For those interested in learning more about environmental science.

Table of Contents

Introduction: Toward a Sustainable Futurep. 2
The Global Environmental Picturep. 5
Population Growth and Economic Developmentp. 5
The Decline of Ecosystemsp. 6
Global Atmospheric Changesp. 7
Loss of Biodiversityp. 8
Three Strategic Themes: Sustainability, Stewardship, and Sciencep. 8
Sustainabilityp. 9
Stewardshipp. 11
Sciencep. 13
Three Integrative Themes: Ecosystem Capital, Policy/Politics, and Globalizationp. 16
Ecosystem Capitalp. 16
Policy and Politicsp. 17
Globalizationp. 18
The Environment in the 21st Centuryp. 19
A New Commitmentp. 21
Revisiting the Themesp. 21
Review Questionsp. 22
Thinking Environmentallyp. 23
Ethics What Is the Stewardship Ethic?p. 12
global perspective Red Sky at Morningp. 20
Ecosystems: Basic Units of the Natural Worldp. 24
Ecosystems: What They Arep. 26
Ecosystems: A Descriptionp. 28
The Structure of Ecosystemsp. 31
Trophic Categoriesp. 31
Trophic Relationships: Food Chains, Food Webs, and Trophic Levelsp. 35
Nonfeeding Relationshipsp. 37
Abiotic Factorsp. 40
From Ecosystems to Global Biomesp. 41
The Role of Climatep. 41
Microclimate and Other Abiotic Factorsp. 45
Biotic Factorsp. 45
Physical Barriersp. 46
Summaryp. 46
The Human Presencep. 47
Three Revolutionsp. 47
Revisiting the Themesp. 50
Review Questionsp. 51
Thinking Environmentallyp. 51
earth watch Limiting Factors and the Woodland Caribou in Alberta, Canadap. 47
global perspective Can Ecosystems Be Restored?p. 48
Ecosystems: How They Workp. 52
Matter, Energy, and Lifep. 54
Matter in Living and Nonliving Systemsp. 54
Energy Basicsp. 58
Energy Changes in Organismsp. 60
Energy Flow in Ecosystemsp. 64
Primary Productionp. 64
Energy Flow and Efficiencyp. 65
Running on Solar Energyp. 67
The Cycling of Matter in Ecosystemsp. 67
The Carbon Cyclep. 68
The Phosphorus Cyclep. 69
The Nitrogen Cyclep. 70
Implications for Human Societiesp. 73
Ecosystem Sustainabilityp. 73
Value of Ecosystem Capitalp. 74
The Futurep. 77
Revisiting the Themesp. 77
Review Questionsp. 78
Thinking Environmentallyp. 79
global perspective Light and Nutrients: The Controlling Factors in Marine Ecosystemsp. 66
ethics Ecosystem Stakeholdersp. 75
Contents viii WRIGMF_0132302659_SE.QXD 1/12/07 12:59 PMp. viii
Ecosystems: How They Changep. 80
Dynamics of Natural Populationsp. 82
Population Growth Curvesp. 82
Biotic Potential versus Environmental Resistancep. 83
Density Dependence and Critical Numberp. 85
Mechanisms of Population Equilibriump. 85
PredatorPrey Dynamicsp. 85
Competitionp. 88
Introduced Speciesp. 91
Evolution as a Force for Changep. 95
Adaptation through Natural Selectionp. 95
Drifting Continentsp. 100
Ecosystem Responses to Disturbancep. 102
Ecological Successionp. 102
Disturbance and Resiliencep. 105
Evolving Ecosystems?p. 107
Living Beyond Our Meansp. 109
Managing Ecosystemsp. 109
Pressures on Ecosystemsp. 110
Revisiting the Themesp. 111
Review Questionsp. 112
Thinking Environmentallyp. 112
Making a Difference Part one Chapters 2, 3, 4p. 113
Guest essay The Village Weaverbird: Marvel or Menace?p. 91
Earth watch Environmental Tipping Pointsp. 108
The Human Populationp. 114
Table of Contents provided by Publisher. All Rights Reserved.

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