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The National Academies

NCHRP 25-25/Task 067 [Final]

Optimizing Conservation and Improving Mitigation Cost/Benefit
[ NCHRP 25-25 (Research for the AASHTO Committee on Environment and Sustainability) ]

  Project Data
Funds: 100000
Research Agency: Cambridge Systematics
Principal Investigator: James S. Kagan and Jessica Wilkinson
Effective Date: 6/16/2010
Completion Date: 8/16/2011
Comments: Completed. Final Report submitted to AASHTO SCOE

This handbook provides an overarching view of the ecosystem and eco­nomic benefits and cost savings associated with progressive approaches to the Clean Water Act or Endangered Species Act compensatory mitigation and com­pares these benefits and savings to traditional mitigation approaches. Several empirical examples of transferable tools, models, and frame­works used for innovative compensatory mitigation in use throughout the United States are provided.  Innovative tools, methods, and frameworks are also provided on :

  • landscape or watershed analysis of ecosystem functions
  • progressive approaches that include the valuation of ecosystem services pro­vided by compensatory mitigation.

Finally, tangible steps are suggested for trans­portation agencies, policy-makers, and the research community to facilitate and implement suggested progressive mitigation programs. 

An electronic version of the handbook can be downloaded here.

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