| Integrating fisheries approaches and household utility models for improved resource management. | |
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MedLine Citation:
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PMID: 21205895 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Natural resource management is littered with cases of overexploitation and ineffectual management, leading to loss of both biodiversity and human welfare. Disciplinary boundaries stifle the search for solutions to these issues. Here, I combine the approach of management strategy evaluation, widely applied in fisheries, with household utility models from the conservation and development literature, to produce an integrated framework for evaluating the effectiveness of competing management strategies for harvested resources against a range of performance metrics. I demonstrate the strengths of this approach with a simple model, and use it to examine the effect of manager ignorance of household decisions on resource management effectiveness, and an allocation tradeoff between monitoring resource stocks to reduce observation uncertainty and monitoring users to improve compliance. I show that this integrated framework enables management assessments to consider household utility as a direct metric for system performance, and that although utility and resource stock conservation metrics are well aligned, harvest yield is a poor proxy for both, because it is a product of household allocation decisions between alternate livelihood options, rather than an end in itself. This approach has potential far beyond single-species harvesting in situations where managers are in full control; I show that the integrated approach enables a range of management intervention options to be evaluated within the same framework. |
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Authors:
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E J Milner-Gulland |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2011-01-04 |
Journal Detail:
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Title: Proceedings of the National Academy of Sciences of the United States of America Volume: 108 ISSN: 1091-6490 ISO Abbreviation: Proc. Natl. Acad. Sci. U.S.A. Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2011-01-26 Completed Date: 2011-04-26 Revised Date: 2011-08-01 |
Medline Journal Info:
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Nlm Unique ID: 7505876 Medline TA: Proc Natl Acad Sci U S A Country: United States |
Other Details:
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Languages: eng Pagination: 1741-6 Citation Subset: IM |
Affiliation:
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Department of Life Sciences, Imperial College London, Silwood Park Campus, Ascot SL5 7PY, United Kingdom. e.j.milner-gulland@imperial.ac.uk |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Agriculture
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methods,
statistics & numerical data Algorithms* Animals Conservation of Natural Resources / methods*, statistics & numerical data Decision Making Ecosystem Family Characteristics Fisheries / methods* Fishes / growth & development Humans Models, Theoretical* |
| Comments/Corrections | |
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