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Multiobjective management of ecosystem services by integrative watershed modeling and evolutionary algorithms

Identifieur interne : 000516 ( Istex/Corpus ); précédent : 000515; suivant : 000517

Multiobjective management of ecosystem services by integrative watershed modeling and evolutionary algorithms

Auteurs : Elias G. Bekele ; John W. Nicklow

Source :

RBID : ISTEX:08E48B9FB532419314E9C9DCB2782E293C565A84

Abstract

This paper explores the role of landscapes in generating ecosystem services while maximizing gross margin associated with agricultural commodity production. Ecosystem services considered include the reduction of nonpoint source pollutants such as sediment, phosphorous, and nitrogen yields from a watershed. The analysis relies on an integrative modeling framework that combines a comprehensive watershed model (SWAT) with a multiobjective evolutionary algorithm (SPEA2). Application of the resulting model to a watershed in southern Illinois demonstrates the effectiveness of the approach in providing tradeoff solutions between gross margin and the generation of ecosystem services. These solutions are important to policy makers and planners in that they provide information about the cost‐effectiveness of alternative agricultural landscapes.

Url:
DOI: 10.1029/2005WR004090

Links to Exploration step

ISTEX:08E48B9FB532419314E9C9DCB2782E293C565A84

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<abstract>This paper explores the role of landscapes in generating ecosystem services while maximizing gross margin associated with agricultural commodity production. Ecosystem services considered include the reduction of nonpoint source pollutants such as sediment, phosphorous, and nitrogen yields from a watershed. The analysis relies on an integrative modeling framework that combines a comprehensive watershed model (SWAT) with a multiobjective evolutionary algorithm (SPEA2). Application of the resulting model to a watershed in southern Illinois demonstrates the effectiveness of the approach in providing tradeoff solutions between gross margin and the generation of ecosystem services. These solutions are important to policy makers and planners in that they provide information about the cost‐effectiveness of alternative agricultural landscapes.</abstract>
<note type="additional physical form">Tab‐delimited Table 1.Tab‐delimited Table 2.</note>
<subject>
<genre>keywords</genre>
<topic>watershed management</topic>
<topic>decision support</topic>
<topic>ecosystem services</topic>
<topic>evolutionary algorithms</topic>
<topic>nonpoint source pollution</topic>
</subject>
<relatedItem type="host">
<titleInfo>
<title>Water Resources Research</title>
</titleInfo>
<titleInfo type="abbreviated">
<title>Water Resour. Res.</title>
</titleInfo>
<genre type="journal">journal</genre>
<subject>
<genre>index-terms</genre>
<topic authorityURI="http://psi.agu.org/taxonomy5/1800">HYDROLOGY</topic>
<topic authorityURI="http://psi.agu.org/taxonomy5/1815">Erosion</topic>
<topic authorityURI="http://psi.agu.org/taxonomy5/1871">Surface water quality</topic>
<topic authorityURI="http://psi.agu.org/taxonomy5/1813">Eco‐hydrology</topic>
</subject>
<subject>
<genre>article-category</genre>
<topic>Regular Article</topic>
</subject>
<identifier type="ISSN">0043-1397</identifier>
<identifier type="eISSN">1944-7973</identifier>
<identifier type="DOI">10.1002/(ISSN)1944-7973</identifier>
<identifier type="CODEN">WRERAQ</identifier>
<identifier type="PublisherID">WRCR</identifier>
<part>
<date>2005</date>
<detail type="volume">
<caption>vol.</caption>
<number>41</number>
</detail>
<detail type="issue">
<caption>no.</caption>
<number>10</number>
</detail>
<extent unit="pages">
<start>n/a</start>
<end>n/a</end>
<total>10</total>
</extent>
</part>
</relatedItem>
<identifier type="istex">08E48B9FB532419314E9C9DCB2782E293C565A84</identifier>
<identifier type="DOI">10.1029/2005WR004090</identifier>
<identifier type="ArticleID">2005WR004090</identifier>
<accessCondition type="use and reproduction" contentType="copyright">Copyright 2005 by the American Geophysical Union.</accessCondition>
<recordInfo>
<recordContentSource>WILEY</recordContentSource>
</recordInfo>
</mods>
</metadata>
<serie></serie>
</istex>
</record>

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