Stage-specific biomass overcompensation by juveniles in response to increased adult mortality in a wild fish population.
Identifieur interne : 000D37 ( Ncbi/Merge ); précédent : 000D36; suivant : 000D38Stage-specific biomass overcompensation by juveniles in response to increased adult mortality in a wild fish population.
Auteurs : Jan Ohlberger [Norvège] ; Ystein Langangen ; Eric Edeline ; David Claessen ; Ian J. Winfield ; Nils Chr Stenseth ; L Asbj Rn V LlestadSource :
- Ecology [ 0012-9658 ] ; 2011.
English descriptors
- KwdEn :
- MESH :
- geographic : Great Britain.
- growth & development : Perches.
- mortality : Fish Diseases.
- Animals, Biomass, Models, Biological.
Abstract
Recently developed theoretical models of stage-structured consumer-resource systems have shown that stage-specific biomass overcompensation can arise in response to increased mortality rates. We parameterized a stage-structured population model to simulate the effects of increased adult mortality caused by a pathogen outbreak in the perch (Perca fluviatilis) population of Windermere (UK) in 1976. The model predicts biomass overcompensation by juveniles in response to increased adult mortality due to a shift in food-dependent growth and reproduction rates. Considering cannibalism between life stages in the model reinforces this compensatory response due to the release from predation on juveniles at high mortality rates. These model predictions are matched by our analysis of a 60-year time series of scientific monitoring of Windermere perch, which shows that the pathogen outbreak induced a strong decrease in adult biomass and a corresponding increase in juvenile biomass. Age-specific adult fecundity and size at age were higher after than before the disease outbreak, suggesting that the pathogen-induced mortality released adult perch from competition, thereby increasing somatic and reproductive growth. Higher juvenile survival after the pathogen outbreak due to a release from cannibalism likely contributed to the observed biomass overcompensation. Our findings have general implications for predicting population- and community-level responses to increased size-selective mortality caused by exploitation or disease outbreaks.
PubMed: 22352155
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Box 1066 Blindern, 0316 Oslo</wicri:regionArea><wicri:noRegion>0316 Oslo</wicri:noRegion></affiliation></author><author><name sortKey="Langangen, Ystein" sort="Langangen, Ystein" uniqKey="Langangen " first=" Ystein" last="Langangen"> Ystein Langangen</name></author><author><name sortKey="Edeline, Eric" sort="Edeline, Eric" uniqKey="Edeline E" first="Eric" last="Edeline">Eric Edeline</name></author><author><name sortKey="Claessen, David" sort="Claessen, David" uniqKey="Claessen D" first="David" last="Claessen">David Claessen</name></author><author><name sortKey="Winfield, Ian J" sort="Winfield, Ian J" uniqKey="Winfield I" first="Ian J" last="Winfield">Ian J. Winfield</name></author><author><name sortKey="Stenseth, Nils Chr" sort="Stenseth, Nils Chr" uniqKey="Stenseth N" first="Nils Chr" last="Stenseth">Nils Chr Stenseth</name></author><author><name sortKey="V Llestad, L Asbj Rn" sort="V Llestad, L Asbj Rn" uniqKey="V Llestad L" first="L Asbj Rn" last="V Llestad">L Asbj Rn V Llestad</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2011">2011</date><idno type="RBID">pubmed:22352155</idno><idno type="pmid">22352155</idno><idno type="wicri:Area/PubMed/Corpus">000301</idno><idno type="wicri:Area/PubMed/Curation">000301</idno><idno type="wicri:Area/PubMed/Checkpoint">000332</idno><idno type="wicri:Area/Ncbi/Merge">000D37</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Stage-specific biomass overcompensation by juveniles in response to increased adult mortality in a wild fish population.</title><author><name sortKey="Ohlberger, Jan" sort="Ohlberger, Jan" uniqKey="Ohlberger J" first="Jan" last="Ohlberger">Jan Ohlberger</name><affiliation wicri:level="1"><nlm:affiliation>Centre for Ecological and Evolutionary Synthesis (CEES), Department of Biology, University of Oslo, P.O. Box 1066 Blindern, 0316 Oslo, Norway. jan.ohlberger@bio.uio.no</nlm:affiliation><country xml:lang="fr">Norvège</country><wicri:regionArea>Centre for Ecological and Evolutionary Synthesis (CEES), Department of Biology, University of Oslo, P.O. Box 1066 Blindern, 0316 Oslo</wicri:regionArea><wicri:noRegion>0316 Oslo</wicri:noRegion></affiliation></author><author><name sortKey="Langangen, Ystein" sort="Langangen, Ystein" uniqKey="Langangen " first=" Ystein" last="Langangen"> Ystein Langangen</name></author><author><name sortKey="Edeline, Eric" sort="Edeline, Eric" uniqKey="Edeline E" first="Eric" last="Edeline">Eric Edeline</name></author><author><name sortKey="Claessen, David" sort="Claessen, David" uniqKey="Claessen D" first="David" last="Claessen">David Claessen</name></author><author><name sortKey="Winfield, Ian J" sort="Winfield, Ian J" uniqKey="Winfield I" first="Ian J" last="Winfield">Ian J. Winfield</name></author><author><name sortKey="Stenseth, Nils Chr" sort="Stenseth, Nils Chr" uniqKey="Stenseth N" first="Nils Chr" last="Stenseth">Nils Chr Stenseth</name></author><author><name sortKey="V Llestad, L Asbj Rn" sort="V Llestad, L Asbj Rn" uniqKey="V Llestad L" first="L Asbj Rn" last="V Llestad">L Asbj Rn V Llestad</name></author></analytic><series><title level="j">Ecology</title><idno type="ISSN">0012-9658</idno><imprint><date when="2011" type="published">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals</term><term>Biomass</term><term>Fish Diseases (mortality)</term><term>Great Britain</term><term>Models, Biological</term><term>Perches (growth & development)</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>Great Britain</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Perches</term></keywords><keywords scheme="MESH" qualifier="mortality" xml:lang="en"><term>Fish Diseases</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Biomass</term><term>Models, Biological</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Recently developed theoretical models of stage-structured consumer-resource systems have shown that stage-specific biomass overcompensation can arise in response to increased mortality rates. We parameterized a stage-structured population model to simulate the effects of increased adult mortality caused by a pathogen outbreak in the perch (Perca fluviatilis) population of Windermere (UK) in 1976. The model predicts biomass overcompensation by juveniles in response to increased adult mortality due to a shift in food-dependent growth and reproduction rates. Considering cannibalism between life stages in the model reinforces this compensatory response due to the release from predation on juveniles at high mortality rates. These model predictions are matched by our analysis of a 60-year time series of scientific monitoring of Windermere perch, which shows that the pathogen outbreak induced a strong decrease in adult biomass and a corresponding increase in juvenile biomass. Age-specific adult fecundity and size at age were higher after than before the disease outbreak, suggesting that the pathogen-induced mortality released adult perch from competition, thereby increasing somatic and reproductive growth. Higher juvenile survival after the pathogen outbreak due to a release from cannibalism likely contributed to the observed biomass overcompensation. Our findings have general implications for predicting population- and community-level responses to increased size-selective mortality caused by exploitation or disease outbreaks.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">22352155</PMID><DateCreated><Year>2012</Year><Month>02</Month><Day>22</Day></DateCreated><DateCompleted><Year>2012</Year><Month>03</Month><Day>22</Day></DateCompleted><Article PubModel="Print"><Journal><ISSN IssnType="Print">0012-9658</ISSN><JournalIssue CitedMedium="Print"><Volume>92</Volume><Issue>12</Issue><PubDate><Year>2011</Year><Month>Dec</Month></PubDate></JournalIssue><Title>Ecology</Title><ISOAbbreviation>Ecology</ISOAbbreviation></Journal><ArticleTitle>Stage-specific biomass overcompensation by juveniles in response to increased adult mortality in a wild fish population.</ArticleTitle><Pagination><MedlinePgn>2175-82</MedlinePgn></Pagination><Abstract><AbstractText>Recently developed theoretical models of stage-structured consumer-resource systems have shown that stage-specific biomass overcompensation can arise in response to increased mortality rates. We parameterized a stage-structured population model to simulate the effects of increased adult mortality caused by a pathogen outbreak in the perch (Perca fluviatilis) population of Windermere (UK) in 1976. The model predicts biomass overcompensation by juveniles in response to increased adult mortality due to a shift in food-dependent growth and reproduction rates. Considering cannibalism between life stages in the model reinforces this compensatory response due to the release from predation on juveniles at high mortality rates. These model predictions are matched by our analysis of a 60-year time series of scientific monitoring of Windermere perch, which shows that the pathogen outbreak induced a strong decrease in adult biomass and a corresponding increase in juvenile biomass. Age-specific adult fecundity and size at age were higher after than before the disease outbreak, suggesting that the pathogen-induced mortality released adult perch from competition, thereby increasing somatic and reproductive growth. Higher juvenile survival after the pathogen outbreak due to a release from cannibalism likely contributed to the observed biomass overcompensation. Our findings have general implications for predicting population- and community-level responses to increased size-selective mortality caused by exploitation or disease outbreaks.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Ohlberger</LastName><ForeName>Jan</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>Centre for Ecological and Evolutionary Synthesis (CEES), Department of Biology, University of Oslo, P.O. Box 1066 Blindern, 0316 Oslo, Norway. jan.ohlberger@bio.uio.no</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Langangen</LastName><ForeName>Øystein</ForeName><Initials>Ø</Initials></Author><Author ValidYN="Y"><LastName>Edeline</LastName><ForeName>Eric</ForeName><Initials>E</Initials></Author><Author ValidYN="Y"><LastName>Claessen</LastName><ForeName>David</ForeName><Initials>D</Initials></Author><Author ValidYN="Y"><LastName>Winfield</LastName><ForeName>Ian J</ForeName><Initials>IJ</Initials></Author><Author ValidYN="Y"><LastName>Stenseth</LastName><ForeName>Nils Chr</ForeName><Initials>NC</Initials></Author><Author ValidYN="Y"><LastName>Vøllestad</LastName><ForeName>L Asbjørn</ForeName><Initials>LA</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Ecology</MedlineTA><NlmUniqueID>0043541</NlmUniqueID><ISSNLinking>0012-9658</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="N" UI="D000818">Animals</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D018533">Biomass</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D005393">Fish Diseases</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000401">mortality</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" Type="Geographic" UI="D006113">Great Britain</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D008954">Models, Biological</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D010471">Perches</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000254">growth & development</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2012</Year><Month>2</Month><Day>23</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2012</Year><Month>2</Month><Day>23</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2012</Year><Month>3</Month><Day>23</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">22352155</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Norvège</li></country></list><tree><noCountry><name sortKey="Claessen, David" sort="Claessen, David" uniqKey="Claessen D" first="David" last="Claessen">David Claessen</name><name sortKey="Edeline, Eric" sort="Edeline, Eric" uniqKey="Edeline E" first="Eric" last="Edeline">Eric Edeline</name><name sortKey="Langangen, Ystein" sort="Langangen, Ystein" uniqKey="Langangen " first=" Ystein" last="Langangen"> Ystein Langangen</name><name sortKey="Stenseth, Nils Chr" sort="Stenseth, Nils Chr" uniqKey="Stenseth N" first="Nils Chr" last="Stenseth">Nils Chr Stenseth</name><name sortKey="V Llestad, L Asbj Rn" sort="V Llestad, L Asbj Rn" uniqKey="V Llestad L" first="L Asbj Rn" last="V Llestad">L Asbj Rn V Llestad</name><name sortKey="Winfield, Ian J" sort="Winfield, Ian J" uniqKey="Winfield I" first="Ian J" last="Winfield">Ian J. Winfield</name></noCountry><country name="Norvège"><noRegion><name sortKey="Ohlberger, Jan" sort="Ohlberger, Jan" uniqKey="Ohlberger J" first="Jan" last="Ohlberger">Jan Ohlberger</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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