Document Detail

Assessment of the sustainability of bushmeat hunting based on dynamic bioeconomic models.
MedLine Citation:
PMID:  16922245     Owner:  NLM     Status:  MEDLINE    
Open-access hunting is a dynamic system in which individual hunters respond to changes in system variables such as costs of hunting and prices obtained for their catch. Sustainability indices used by conservationists ignore these human processes and focus only on the biological sustainability of current offtake levels. This focus implicitly assumes that offtake is constant, says little about the actual sustainability of the system, and fails to provide any basis for predicting the impact of most feasible management interventions. A bioeconomic approach overcomes these limitations by explicitly integrating both the biological and human components of the system. We present a graphical representation of a simple bioeconomic model of bushmeat hunting and use it to demonstrate the importance of considering system dynamics when assessing sustainability. Our results show that commonly used static sustainability indices are often misleading. The best method to assess hunting sustainability is situation dependent, but characterizing supply and demand curves, even crudely, has greater potential than current approaches to provide robust predictions in the medium term.
S Ling; E J Milner-Gulland
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Conservation biology : the journal of the Society for Conservation Biology     Volume:  20     ISSN:  0888-8892     ISO Abbreviation:  Conserv. Biol.     Publication Date:  2006 Aug 
Date Detail:
Created Date:  2006-08-22     Completed Date:  2006-10-16     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9882301     Medline TA:  Conserv Biol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1294-9     Citation Subset:  IM    
Centre for Environmental Policy, Imperial College London, Exhibition Road, London SW7 2AZ, United Kingdom.
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MeSH Terms
Commerce* / legislation & jurisprudence
Conservation of Natural Resources
Food Supply
Meat / economics*,  supply & distribution
Models, Biological
Models, Economic*
Population Dynamics

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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