Protecting Endangered Species: Do the Main Legislative Tools Work?

Katherine E Gibbs and David J Currie

PLOS ONE, 2012, vol. 7, issue 5, 1-7

Abstract: It is critical to assess the effectiveness of the tools used to protect endangered species. The main tools enabled under the U.S. Endangered Species Act (ESA) to promote species recovery are funding, recovery plan development and critical habitat designation. Earlier studies sometimes found that statistically significant effects of these tools could be detected, but they have not answered the question of whether the effects were large enough to be biologically meaningful. Here, we ask: how much does the recovery status of ESA-listed species improve with the application of these tools? We used species' staus reports to Congress from 1988 to 2006 to quantify two measures of recovery for 1179 species. We related these to the amount of federal funding, years with a recovery plan, years with critical habitat designation, the amount of peer-reviewed scientific information, and time listed. We found that change in recovery status of listed species was, at best, only very weakly related to any of these tools. Recovery was positively related to the number of years listed, years with a recovery plan, and funding, however, these tools combined explain

Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0035730

DOI: 10.1371/journal.pone.0035730

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