Size-balanced community reorganization in response to nutrients and warming.
Identifieur interne : 002742 ( PubMed/Corpus ); précédent : 002741; suivant : 002743Size-balanced community reorganization in response to nutrients and warming.
Auteurs : David J. Mcelroy ; Eoin J. O'Gorman ; Florian D. Schneider ; Hanne Hetjens ; Prune Le Merrer ; Ross A. Coleman ; Mark EmmersonSource :
- Global change biology [ 1365-2486 ] ; 2015.
English descriptors
- KwdEn :
- MESH :
- geographic : Northern Ireland.
- growth & development : Brachyura.
- physiology : Amphipoda, Brachyura, Seaweed.
- Animals, Biota, Body Size, Eutrophication, Food Chain, Predatory Behavior, Temperature.
Abstract
It is widely accepted that global warming will adversely affect ecological communities. As ecosystems are simultaneously exposed to other anthropogenic influences, it is important to address the effects of climate change in the context of many stressors. Nutrient enrichment might offset some of the energy demands that warming can exert on organisms by stimulating growth at the base of the food web. It is important to know whether indirect effects of warming will be as ecologically significant as direct physiological effects. Declining body size is increasingly viewed as a universal response to warming, with the potential to alter trophic interactions. To address these issues, we used an outdoor array of marine mesocosms to examine the impacts of warming, nutrient enrichment and altered top-predator body size on a community comprised of the predator (shore crab Carcinus maenas), various grazing detritivores (amphipods) and algal resources. Warming increased mortality rates of crabs, but had no effect on their moulting rates. Nutrient enrichment and warming had near diametrically opposed effects on the assemblage, confirming that the ecological effects of these two stressors can cancel each other out. This suggests that nutrient-enriched systems might act as an energy refuge to populations of species under metabolic constraints due to warming. While there was a strong difference in assemblages between mesocosms containing crabs compared to mesocosms without crabs, decreasing crab size had no detectable effect on the amphipod or algal assemblages. This suggests that in allometrically balanced communities, the expected long-term effect of warming (declining body size) is not of similar ecological consequence to the direct physiological effects of warming, at least not over the six week duration of the experiment described here. More research is needed to determine the long-term effects of declining body size on the bioenergetic balance of natural communities.
DOI: 10.1111/gcb.13019
PubMed: 26147063
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Schneider</name><affiliation><nlm:affiliation>Institut des Sciences de l'Evolution, Université de Montpellier, CNRS, IRD, EPHE, CC065, Place Eugène Bataillon, 34095, Montpellier Cedex 05, France.</nlm:affiliation></affiliation></author><author><name sortKey="Hetjens, Hanne" sort="Hetjens, Hanne" uniqKey="Hetjens H" first="Hanne" last="Hetjens">Hanne Hetjens</name><affiliation><nlm:affiliation>Department of Environmental Biology, Radboud University, Heyendaalseweg 135, 6525 AJ, Nijmegen, Netherlands.</nlm:affiliation></affiliation></author><author><name sortKey="Le Merrer, Prune" sort="Le Merrer, Prune" uniqKey="Le Merrer P" first="Prune" last="Le Merrer">Prune Le Merrer</name><affiliation><nlm:affiliation>Université d'Avignon et des Pays du Vaucluse, IUT Génie Biologique Option Agronomie, Site Agroparc, BP 1207, 84911, Avignon Cedex 9, France.</nlm:affiliation></affiliation></author><author><name sortKey="Coleman, Ross A" sort="Coleman, Ross A" uniqKey="Coleman R" first="Ross A" last="Coleman">Ross A. Coleman</name><affiliation><nlm:affiliation>Coastal & Marine Ecosystems Group, School of Biological Sciences, The University of Sydney, Sydney, NSW, 2006, Australia.</nlm:affiliation></affiliation></author><author><name sortKey="Emmerson, Mark" sort="Emmerson, Mark" uniqKey="Emmerson M" first="Mark" last="Emmerson">Mark Emmerson</name><affiliation><nlm:affiliation>Institute of Global Food Security, School of Biological Sciences, Queen's University Belfast, 97 Lisburn Road, Belfast, BT9 7BL, UK.</nlm:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2015">2015</date><idno type="RBID">pubmed:26147063</idno><idno type="pmid">26147063</idno><idno type="doi">10.1111/gcb.13019</idno><idno type="wicri:Area/PubMed/Corpus">002742</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">002742</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Size-balanced community reorganization in response to nutrients and warming.</title><author><name sortKey="Mcelroy, David J" sort="Mcelroy, David J" uniqKey="Mcelroy D" first="David J" last="Mcelroy">David J. Mcelroy</name><affiliation><nlm:affiliation>Coastal & Marine Ecosystems Group, School of Biological Sciences, The University of Sydney, Sydney, NSW, 2006, Australia.</nlm:affiliation></affiliation></author><author><name sortKey="O Gorman, Eoin J" sort="O Gorman, Eoin J" uniqKey="O Gorman E" first="Eoin J" last="O'Gorman">Eoin J. O'Gorman</name><affiliation><nlm:affiliation>Imperial College London, Silwood Park Campus, Buckhurst Road, Ascot, Berkshire, SL5 7PY, UK.</nlm:affiliation></affiliation></author><author><name sortKey="Schneider, Florian D" sort="Schneider, Florian D" uniqKey="Schneider F" first="Florian D" last="Schneider">Florian D. Schneider</name><affiliation><nlm:affiliation>Institut des Sciences de l'Evolution, Université de Montpellier, CNRS, IRD, EPHE, CC065, Place Eugène Bataillon, 34095, Montpellier Cedex 05, France.</nlm:affiliation></affiliation></author><author><name sortKey="Hetjens, Hanne" sort="Hetjens, Hanne" uniqKey="Hetjens H" first="Hanne" last="Hetjens">Hanne Hetjens</name><affiliation><nlm:affiliation>Department of Environmental Biology, Radboud University, Heyendaalseweg 135, 6525 AJ, Nijmegen, Netherlands.</nlm:affiliation></affiliation></author><author><name sortKey="Le Merrer, Prune" sort="Le Merrer, Prune" uniqKey="Le Merrer P" first="Prune" last="Le Merrer">Prune Le Merrer</name><affiliation><nlm:affiliation>Université d'Avignon et des Pays du Vaucluse, IUT Génie Biologique Option Agronomie, Site Agroparc, BP 1207, 84911, Avignon Cedex 9, France.</nlm:affiliation></affiliation></author><author><name sortKey="Coleman, Ross A" sort="Coleman, Ross A" uniqKey="Coleman R" first="Ross A" last="Coleman">Ross A. Coleman</name><affiliation><nlm:affiliation>Coastal & Marine Ecosystems Group, School of Biological Sciences, The University of Sydney, Sydney, NSW, 2006, Australia.</nlm:affiliation></affiliation></author><author><name sortKey="Emmerson, Mark" sort="Emmerson, Mark" uniqKey="Emmerson M" first="Mark" last="Emmerson">Mark Emmerson</name><affiliation><nlm:affiliation>Institute of Global Food Security, School of Biological Sciences, Queen's University Belfast, 97 Lisburn Road, Belfast, BT9 7BL, UK.</nlm:affiliation></affiliation></author></analytic><series><title level="j">Global change biology</title><idno type="eISSN">1365-2486</idno><imprint><date when="2015" type="published">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Amphipoda (physiology)</term><term>Animals</term><term>Biota</term><term>Body Size</term><term>Brachyura (growth & development)</term><term>Brachyura (physiology)</term><term>Eutrophication</term><term>Food Chain</term><term>Northern Ireland</term><term>Predatory Behavior</term><term>Seaweed (physiology)</term><term>Temperature</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>Northern Ireland</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Brachyura</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Amphipoda</term><term>Brachyura</term><term>Seaweed</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Biota</term><term>Body Size</term><term>Eutrophication</term><term>Food Chain</term><term>Predatory Behavior</term><term>Temperature</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">It is widely accepted that global warming will adversely affect ecological communities. As ecosystems are simultaneously exposed to other anthropogenic influences, it is important to address the effects of climate change in the context of many stressors. Nutrient enrichment might offset some of the energy demands that warming can exert on organisms by stimulating growth at the base of the food web. It is important to know whether indirect effects of warming will be as ecologically significant as direct physiological effects. Declining body size is increasingly viewed as a universal response to warming, with the potential to alter trophic interactions. To address these issues, we used an outdoor array of marine mesocosms to examine the impacts of warming, nutrient enrichment and altered top-predator body size on a community comprised of the predator (shore crab Carcinus maenas), various grazing detritivores (amphipods) and algal resources. Warming increased mortality rates of crabs, but had no effect on their moulting rates. Nutrient enrichment and warming had near diametrically opposed effects on the assemblage, confirming that the ecological effects of these two stressors can cancel each other out. This suggests that nutrient-enriched systems might act as an energy refuge to populations of species under metabolic constraints due to warming. While there was a strong difference in assemblages between mesocosms containing crabs compared to mesocosms without crabs, decreasing crab size had no detectable effect on the amphipod or algal assemblages. This suggests that in allometrically balanced communities, the expected long-term effect of warming (declining body size) is not of similar ecological consequence to the direct physiological effects of warming, at least not over the six week duration of the experiment described here. More research is needed to determine the long-term effects of declining body size on the bioenergetic balance of natural communities.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">26147063</PMID><DateCreated><Year>2015</Year><Month>10</Month><Day>14</Day></DateCreated><DateCompleted><Year>2016</Year><Month>07</Month><Day>19</Day></DateCompleted><DateRevised><Year>2015</Year><Month>10</Month><Day>14</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1365-2486</ISSN><JournalIssue CitedMedium="Internet"><Volume>21</Volume><Issue>11</Issue><PubDate><Year>2015</Year><Month>Nov</Month></PubDate></JournalIssue><Title>Global change biology</Title><ISOAbbreviation>Glob Chang Biol</ISOAbbreviation></Journal><ArticleTitle>Size-balanced community reorganization in response to nutrients and warming.</ArticleTitle><Pagination><MedlinePgn>3971-81</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/gcb.13019</ELocationID><Abstract><AbstractText>It is widely accepted that global warming will adversely affect ecological communities. As ecosystems are simultaneously exposed to other anthropogenic influences, it is important to address the effects of climate change in the context of many stressors. Nutrient enrichment might offset some of the energy demands that warming can exert on organisms by stimulating growth at the base of the food web. It is important to know whether indirect effects of warming will be as ecologically significant as direct physiological effects. Declining body size is increasingly viewed as a universal response to warming, with the potential to alter trophic interactions. To address these issues, we used an outdoor array of marine mesocosms to examine the impacts of warming, nutrient enrichment and altered top-predator body size on a community comprised of the predator (shore crab Carcinus maenas), various grazing detritivores (amphipods) and algal resources. Warming increased mortality rates of crabs, but had no effect on their moulting rates. Nutrient enrichment and warming had near diametrically opposed effects on the assemblage, confirming that the ecological effects of these two stressors can cancel each other out. This suggests that nutrient-enriched systems might act as an energy refuge to populations of species under metabolic constraints due to warming. While there was a strong difference in assemblages between mesocosms containing crabs compared to mesocosms without crabs, decreasing crab size had no detectable effect on the amphipod or algal assemblages. This suggests that in allometrically balanced communities, the expected long-term effect of warming (declining body size) is not of similar ecological consequence to the direct physiological effects of warming, at least not over the six week duration of the experiment described here. More research is needed to determine the long-term effects of declining body size on the bioenergetic balance of natural communities.</AbstractText><CopyrightInformation>© 2015 John Wiley & Sons Ltd.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>McElroy</LastName><ForeName>David J</ForeName><Initials>DJ</Initials><AffiliationInfo><Affiliation>Coastal & Marine Ecosystems Group, School of Biological Sciences, The University of Sydney, Sydney, NSW, 2006, Australia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>O'Gorman</LastName><ForeName>Eoin J</ForeName><Initials>EJ</Initials><AffiliationInfo><Affiliation>Imperial College London, Silwood Park Campus, Buckhurst Road, Ascot, Berkshire, SL5 7PY, UK.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Schneider</LastName><ForeName>Florian D</ForeName><Initials>FD</Initials><AffiliationInfo><Affiliation>Institut des Sciences de l'Evolution, Université de Montpellier, CNRS, IRD, EPHE, CC065, Place Eugène Bataillon, 34095, Montpellier Cedex 05, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hetjens</LastName><ForeName>Hanne</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>Department of Environmental Biology, Radboud University, Heyendaalseweg 135, 6525 AJ, Nijmegen, Netherlands.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Le Merrer</LastName><ForeName>Prune</ForeName><Initials>P</Initials><AffiliationInfo><Affiliation>Université d'Avignon et des Pays du Vaucluse, IUT Génie Biologique Option Agronomie, Site Agroparc, BP 1207, 84911, Avignon Cedex 9, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Coleman</LastName><ForeName>Ross A</ForeName><Initials>RA</Initials><AffiliationInfo><Affiliation>Coastal & Marine Ecosystems Group, School of Biological Sciences, The University of Sydney, Sydney, NSW, 2006, Australia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Emmerson</LastName><ForeName>Mark</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Institute of Global Food Security, School of Biological Sciences, Queen's University Belfast, 97 Lisburn Road, Belfast, BT9 7BL, UK.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Queen's University Marine Laboratory, 12-13, The Strand, Portaferry, BT22 1PF, UK.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2015</Year><Month>09</Month><Day>01</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Glob Chang Biol</MedlineTA><NlmUniqueID>9888746</NlmUniqueID><ISSNLinking>1354-1013</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D033304" MajorTopicYN="N">Amphipoda</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D000818" MajorTopicYN="N">Animals</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D058448" MajorTopicYN="Y">Biota</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D049628" MajorTopicYN="N">Body Size</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003386" MajorTopicYN="N">Brachyura</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005068" MajorTopicYN="Y">Eutrophication</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D020387" MajorTopicYN="Y">Food Chain</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009660" MajorTopicYN="N" Type="Geographic">Northern Ireland</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D011235" MajorTopicYN="N">Predatory Behavior</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D012624" MajorTopicYN="N">Seaweed</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013696" MajorTopicYN="Y">Temperature</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">allometry</Keyword><Keyword MajorTopicYN="N">body size</Keyword><Keyword MajorTopicYN="N">climate change</Keyword><Keyword MajorTopicYN="N">food web</Keyword><Keyword MajorTopicYN="N">intertidal</Keyword><Keyword MajorTopicYN="N">nutrient</Keyword><Keyword MajorTopicYN="N">over-fishing</Keyword><Keyword MajorTopicYN="N">temperature</Keyword><Keyword MajorTopicYN="N">trophic cascade</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2014</Year><Month>09</Month><Day>14</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2015</Year><Month>06</Month><Day>01</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2015</Year><Month>06</Month><Day>18</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2015</Year><Month>7</Month><Day>7</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2015</Year><Month>7</Month><Day>7</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2016</Year><Month>7</Month><Day>20</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">26147063</ArticleId><ArticleId 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