Missing the link: the importance of keeping ecosystems intact and what the Endangered Species Act suggests we do about it. Environmental Law | June 22, 2007| | COPYRIGHT 2007 Lewis & Clark Northwestern School of Law. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information) Copyright

 
  I. INTRODUCTION 
 II. BACKGROUND 
     A. Listing Species Under the ESA 
     B. Defining "Species" to Include "Distinct Population Segments" 
     C. The DPS Policy 
III. SPECIES INTERACTIVITY AND ECOSYSTEM FUNCTIONING 
     A. While You Were Sleeping 
     B. Waking Up: Scientists Are Analyzing These Data and Providing 
        Good Food for Policy 
        1. Keystone Species 
           a. Top Predators 
           b. Ecosystem Engineers 
           c. Competitors and Facilitators 
        2. Species Interactivity on a Continuum 
 IV. THE DPS POLICY MUST BE CHANGED TO CONSIDER ...

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