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Closure strategies as a tool for fisheries management in metapopulations subjected to catastrophic events
Spatial management measures in the form of no-take areas used in fisheries management can provide a buffer against catastrophic events. Dynamic area closures, like rotational closures, have also been used as a management tool particularly for sessile organisms. In this study, bioeconomic models are...
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Published in: | Fisheries management and ecology 2010-08, Vol.17 (4), p.346-355 |
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container_end_page | 355 |
container_issue | 4 |
container_start_page | 346 |
container_title | Fisheries management and ecology |
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creator | LITTLE, L.R GRAFTON, R.Q KOMPAS, T SMITH, A.D.M |
description | Spatial management measures in the form of no-take areas used in fisheries management can provide a buffer against catastrophic events. Dynamic area closures, like rotational closures, have also been used as a management tool particularly for sessile organisms. In this study, bioeconomic models are developed to investigate dynamic closure strategies for use as a management tool in the harvest of a metapopulation consisting of two local sub-populations. The models provide an optimal strategy that maximises the sum of discounted net returns with a fixed harvest level [i.e. total allowable catch (TAC)] by opening and closing the sub-populations of a metapopulation, subject to random negative catastrophic effects. Results showed the optimal policy for opening and closing a single exploited population depends on the degree and pattern of migration between it and other sub-populations. When the harvest or TAC can be applied to either sub-population, the optimal closure strategy depends on the abundance of both populations, crucially, even if they are biologically independent. The results provide insights into the management of stochastically fluctuating populations including more mobile species that are frequently not subject to no-take controls. |
doi_str_mv | 10.1111/j.1365-2400.2010.00731.x |
format | article |
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Dynamic area closures, like rotational closures, have also been used as a management tool particularly for sessile organisms. In this study, bioeconomic models are developed to investigate dynamic closure strategies for use as a management tool in the harvest of a metapopulation consisting of two local sub-populations. The models provide an optimal strategy that maximises the sum of discounted net returns with a fixed harvest level [i.e. total allowable catch (TAC)] by opening and closing the sub-populations of a metapopulation, subject to random negative catastrophic effects. Results showed the optimal policy for opening and closing a single exploited population depends on the degree and pattern of migration between it and other sub-populations. When the harvest or TAC can be applied to either sub-population, the optimal closure strategy depends on the abundance of both populations, crucially, even if they are biologically independent. 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The results provide insights into the management of stochastically fluctuating populations including more mobile species that are frequently not subject to no-take controls.</description><subject>bioeconomic model</subject><subject>bioeconomic models</subject><subject>management strategy</subject><subject>marine protected areas</subject><subject>marine reserves</subject><subject>rotational closures</subject><subject>total allowable catch</subject><issn>0969-997X</issn><issn>1365-2400</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNqNkF1vFCEUhonRxLX6G-TOq1lhmGGGxBuz6Ye1tkm16d4RFg5b1plhBEa3_17GaXotIYEc3ucNeRDClKxpXh8Pa8p4XZQVIeuS5CkhDaPr4wu0en54iVZEcFEI0WxfozcxHgghnAqxQm7T-TgFwDEFlWDvIGKVN07ed9j6gK2LDxDmea8GtYcehoTdgHtIavTj1Knk_BBxnHYH0AlMRrFWSeVGPz44jeF3RuJb9MqqLsK7p_ME3Z2d_thcFFc35182n68KXeU_FZqYqmw1qUqmwTIrtKkNKNGWO02hNKZS1HK6Kxve6JoaToxmraasVtZYXrET9GHpHYP_NUFMsndRQ9epAfwUZVNXNSecsZxsl6QOPsYAVo7B9So8SkrkLFce5OxQzg7lLFf-kyuPGf20oH9cB4__zcmzb6f5kvFiwV1McHzGVfgpecOaWt5fn8vt7cX95dftpRQ5_37JW-Wl2gcX5d33XMwIbTmv24b9BaHGm00</recordid><startdate>201008</startdate><enddate>201008</enddate><creator>LITTLE, L.R</creator><creator>GRAFTON, R.Q</creator><creator>KOMPAS, T</creator><creator>SMITH, A.D.M</creator><general>Oxford, UK : Blackwell Publishing Ltd</general><general>Blackwell Publishing Ltd</general><scope>FBQ</scope><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SN</scope><scope>7ST</scope><scope>7TN</scope><scope>7U6</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H95</scope><scope>H99</scope><scope>L.F</scope><scope>L.G</scope><scope>P64</scope><scope>SOI</scope></search><sort><creationdate>201008</creationdate><title>Closure strategies as a tool for fisheries management in metapopulations subjected to catastrophic events</title><author>LITTLE, L.R ; GRAFTON, R.Q ; KOMPAS, T ; SMITH, A.D.M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4061-c0d428c0423cef3f9cd5dea982bc1e2dd4a1f61b2767c51d60dc38c135afdf643</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>bioeconomic model</topic><topic>bioeconomic models</topic><topic>management strategy</topic><topic>marine protected areas</topic><topic>marine reserves</topic><topic>rotational closures</topic><topic>total allowable catch</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>LITTLE, L.R</creatorcontrib><creatorcontrib>GRAFTON, R.Q</creatorcontrib><creatorcontrib>KOMPAS, T</creatorcontrib><creatorcontrib>SMITH, A.D.M</creatorcontrib><collection>AGRIS</collection><collection>Istex</collection><collection>CrossRef</collection><collection>Ecology Abstracts</collection><collection>Environment Abstracts</collection><collection>Oceanic Abstracts</collection><collection>Sustainability Science Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>ASFA: Marine Biotechnology Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Marine Biotechnology Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Fisheries management and ecology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>LITTLE, L.R</au><au>GRAFTON, R.Q</au><au>KOMPAS, T</au><au>SMITH, A.D.M</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Closure strategies as a tool for fisheries management in metapopulations subjected to catastrophic events</atitle><jtitle>Fisheries management and ecology</jtitle><date>2010-08</date><risdate>2010</risdate><volume>17</volume><issue>4</issue><spage>346</spage><epage>355</epage><pages>346-355</pages><issn>0969-997X</issn><eissn>1365-2400</eissn><abstract>Spatial management measures in the form of no-take areas used in fisheries management can provide a buffer against catastrophic events. 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subjects | bioeconomic model bioeconomic models management strategy marine protected areas marine reserves rotational closures total allowable catch |
title | Closure strategies as a tool for fisheries management in metapopulations subjected to catastrophic events |
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