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Écorégions d'eau douce d'Amérique du Nord : une évaluation de la conservation (Monde - BON
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Environ13,34 $C
État :
Bon
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Numéro de l'objet eBay :266183518568
Dernière mise à jour : sept. 25, 2024 16:22:47 HAEAfficher toutes les modificationsAfficher toutes les modifications
Caractéristiques de l'objet
- État
- Brand
- Unbranded
- Book Title
- Freshwater Ecoregions of North America: A Conservation Assessmen
- MPN
- Does not apply
- ISBN
- 9781559637343
- Subject Area
- Nature, Science
- Publication Name
- Freshwater Ecoregions of North America : a Conservation Assessment
- Publisher
- Island Press
- Item Length
- 11 in
- Subject
- Life Sciences / Ecology, Environmental Conservation & Protection, Ecosystems & Habitats / Rivers
- Publication Year
- 1999
- Series
- World Wildlife Fund Ecoregion Assessments Ser.
- Type
- Textbook
- Format
- Trade Paperback
- Language
- English
- Item Height
- 1 in
- Item Weight
- 0 Oz
- Item Width
- 8.5 in
- Number of Pages
- 368 Pages
À propos de ce produit
Product Identifiers
Publisher
Island Press
ISBN-10
155963734X
ISBN-13
9781559637343
eBay Product ID (ePID)
5038673099
Product Key Features
Number of Pages
368 Pages
Language
English
Publication Name
Freshwater Ecoregions of North America : a Conservation Assessment
Subject
Life Sciences / Ecology, Environmental Conservation & Protection, Ecosystems & Habitats / Rivers
Publication Year
1999
Type
Textbook
Subject Area
Nature, Science
Series
World Wildlife Fund Ecoregion Assessments Ser.
Format
Trade Paperback
Dimensions
Item Height
1 in
Item Weight
0 Oz
Item Length
11 in
Item Width
8.5 in
Additional Product Features
Edition Number
4
Intended Audience
Scholarly & Professional
LCCN
99-016796
Dewey Edition
21
Series Volume Number
2
Illustrated
Yes
Dewey Decimal
577.6
Table Of Content
List of Special Essays List of Figures List of Tables Acronyms Foreword Preface Acknowledgements Chapter 1. Introduction -Assessment Overview -Structure of the Book -The Challenge Chapter 2. Approach -Delineation of Ecoregions and Geographic Scope of the Study -Assignment of Major Habitat Types -Discriminators -Biological Distinctniveness Index (BDI)--Overview -Conservation Status--Overview -Integrating Biological Distinctiveness and Conservation Status 3. Biological Distinctiveness of North American Ecoregions -Species Richness -Endemism -Rare Ecological or Evolutionary Phenomena -Rare Habitat Type -Synthesis of Biological Distinctiveness Data 4. Conservation Status of North American Ecoregions -Snapshot Conservation Status -Conservation Snapshot Criteria -Threat Assessment -Final Conservation Status -Additional Conservation Status Data 5. Setting the Conservation Agenda: Integrating Biological Distinctiveness and Conservation Status 6. Recommendations -North America's Golbal Responsibilities for Biodiversity Conservation -Targets Requiring Urgent Action 7. Site-Specific Conservation -Dams -Additional Site Selection Tools Appendixes -Appendix A: Methods for Assessing the Biological Distinctiveness of Freshwater Ecoregions -Appendix B: Methods for Assessing the Conservation Status of Freshwater Ecoregions -Appendix C:Biological Distinctiveness Data and Scores -Appendix D: Conservation Status Assesment and Scores -Appendix E: Statistical Analysis of Biological Distinctiveness and Conservation Status Data -Appendix F: Integration Matrices for the Eight Major Habitat Types -Appendix G: Ecoregion Descriptions -Appendix H: Conservation Partner Contact Information Glossary Literature Cited and Consulted Authors Contributors Index
Synopsis
North America's freshwater habitats and the extraordinary biodiversity they contain are facing unprecedented threats from a range of sources, including flow alteration, habitat fragmentation, introduced species, and overall land use changes. With nearly every freshwater system suffering from some degree of degradation and conservation resources limited, there is an urgent and practical need to set priorities.As an initial step in identifying those areas where protective and restorative measures should be implemented first, World Wildlife Fund-US assembled a team of leading scientists to conduct a conservation assessment of freshwater ecoregions. Freshwater Ecoregions of North Americapresents that assessment and outlines measures that must be taken to conserve, and in many cases restore, native biodiversity. The book: identifies freshwater ecoregions that support globally outstanding biological diversity assesses the types and immediacy of threats to North American ecoregions identifies gaps in information that hamper an accurate evaluation of biodiversity provides a broad-scale framework for conservation activitiesIn addition, it offers appendixes that provide detailed descriptions of methodologies, raw scores and statistical analysis of results, and an integrated biological distinctiveness and conservation status index. Also included are 21 full-color maps.Freshwater Ecoregions of North Americais an authoritative reference on a subject of vital importance, and will be an essential tool for scientists, conservation professionals, students, and anyone interested in the conservation of North America's freshwater systems.
LC Classification Number
QH77.N56F69 2000
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