Footnotes (5)



Missing the Link: The Importance of Keeping Ecosystems Intact and What the Endangered Species Act Suggests We Do About It

Kalyani Robbins

Florida International University (FIU) - College of Law

May 4, 2007

Environmental Law, Vol. 37, p. 573, 2007

The Endangered Species Act was created in response to a rapid decline in species biodiversity. Although Congress chose direct protection of individual species as its tool, protecting ecosystems (a necessary component of biodiversity) was clearly one of the goals for which that tool was to be used. A species can be abundant in some areas and declining in others, such that protecting the entire species does not make sense. Congress dealt with this issue by amending the Endangered Species Act in 1978 to allow for protection of “distinct population segments,” thereby allowing the population in decline to be protected in spite of the abundance of the species elsewhere. This, of course, raises the question as to why we should bother to do so. Why, if a species is thriving elsewhere, should we save its struggling members in a given population?

The Fish and Wildlife Service and National Marine Fisheries Service answered this question by requiring -- in their policy statement for listing distinct population segments -- that the population be significant. While this is a very reasonable limitation, the definition of significant is far too narrow, focusing entirely on the population’s significance to its own taxon. The scientific literature on biodiversity, discussed at length in this Article, suggests that species populations vary in importance to their own ecosystems. Indeed, certain species populations in certain ecosystems can be extremely valuable to the protection of biodiversity, even if not valuable to the survival of that species. In light of clear Congressional intent to preserve biodiversity, including expressly listing the conservation of ecosystems as a purpose of the Act, it is important that we also consider the value of a distinct population segment to the ecosystem in which it lives.

Number of Pages in PDF File: 23

Keywords: endangered, species, ESA, wildlife, ecosystem

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Date posted: June 18, 2012  

Suggested Citation

Robbins, Kalyani, Missing the Link: The Importance of Keeping Ecosystems Intact and What the Endangered Species Act Suggests We Do About It (May 4, 2007). Environmental Law, Vol. 37, p. 573, 2007. Available at SSRN: http://ssrn.com/abstract=2086857

Contact Information

Kalyani Robbins (Contact Author)
Florida International University (FIU) - College of Law ( email )
11200 SW 8th Street
RDB Hall 1097
Miami, FL 33199
United States

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