Optimal Fishery Modelling Population Dynamics with Optimal Harvest Strategies

Optimal Fishery Modelling Population Dynamics with Optimal Harvest Strategies

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Determining sustainable harvest strategies are of interest in order to avoid overexploitation of ecosystems. In this report the dynamics of sh populations a ected by shery is studied. The aim is to nd an optimal catch policy under which shery shall be performed in order to obtain maximum catch witho...

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Main Author: Barkman, Mats
Format: Others
Language:English
Published: KTH, Skolan för teknikvetenskap (SCI) 2016
Online Access:http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-193624
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spelling ndltd-UPSALLA1-oai-DiVA.org-kth-1936242016-10-07T04:55:56ZOptimal Fishery Modelling Population Dynamics with Optimal Harvest StrategiesengBarkman, MatsKTH, Skolan för teknikvetenskap (SCI)2016Determining sustainable harvest strategies are of interest in order to avoid overexploitation of ecosystems. In this report the dynamics of sh populations a ected by shery is studied. The aim is to nd an optimal catch policy under which shery shall be performed in order to obtain maximum catch without the sh population facing extinction. By formulating this as an optimal control problem, Pontryagin's principle can be used in order to nd optimal harvest strategies. The numerical results show that for a spatially independent model of a single population, there is an optimal population size which gives maximum yield. For interdependent species, interference by shery may change the qualitative behaviour of the dynamical system. The majority of the studied dynamical systems had a stationary optimal strategy. Student thesisinfo:eu-repo/semantics/bachelorThesistexthttp://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-193624application/pdfinfo:eu-repo/semantics/openAccess
collection NDLTD
language English
format Others
sources NDLTD
description Determining sustainable harvest strategies are of interest in order to avoid overexploitation of ecosystems. In this report the dynamics of sh populations a ected by shery is studied. The aim is to nd an optimal catch policy under which shery shall be performed in order to obtain maximum catch without the sh population facing extinction. By formulating this as an optimal control problem, Pontryagin's principle can be used in order to nd optimal harvest strategies. The numerical results show that for a spatially independent model of a single population, there is an optimal population size which gives maximum yield. For interdependent species, interference by shery may change the qualitative behaviour of the dynamical system. The majority of the studied dynamical systems had a stationary optimal strategy.
author Barkman, Mats
spellingShingle Barkman, Mats
Optimal Fishery Modelling Population Dynamics with Optimal Harvest Strategies
author_facet Barkman, Mats
author_sort Barkman, Mats
title Optimal Fishery Modelling Population Dynamics with Optimal Harvest Strategies
title_short Optimal Fishery Modelling Population Dynamics with Optimal Harvest Strategies
title_full Optimal Fishery Modelling Population Dynamics with Optimal Harvest Strategies
title_fullStr Optimal Fishery Modelling Population Dynamics with Optimal Harvest Strategies
title_full_unstemmed Optimal Fishery Modelling Population Dynamics with Optimal Harvest Strategies
title_sort optimal fishery modelling population dynamics with optimal harvest strategies
publisher KTH, Skolan för teknikvetenskap (SCI)
publishDate 2016
url http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-193624
work_keys_str_mv AT barkmanmats optimalfisherymodellingpopulationdynamicswithoptimalharveststrategies
_version_ 1718386440870559744

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