Precious heritage : the status of biodiversity in the United States

摘要: Foreword Preface Contributors Participating Institutions Acknowledgements 1. Biodiversity: Our Precious Heritage 2. Discovering Life in America: Tools and Techniques of Biodiversity Inventory 3. A Remarkable Array: Species Diversity the United States 4. Conservation Status U.S. 5. State States: Geographic Patterns Diversity, Rarity, Endemism 6. The Geography Imperilment: Targeting towards Critical Areas 7. More than Sum Parts: Ecological Systems 8. Leading Threats to What's Threatening Imperiled 9. Strategies for Protection 10. Owning Up Responsibilities: Who Owns Lands Important Biodiversity? 11. Safeguarding Appendix A: Extinct missing species B: Endemism, Rarity C: Kuchler Potential Natural Vegetation Types D: Principal Sources Central Databases Literature Cited