Effects of plant genotype and insect dispersal rate on the population dynamics of a forest pest.
Identifieur interne : 002715 ( Main/Exploration ); précédent : 002714; suivant : 002716Effects of plant genotype and insect dispersal rate on the population dynamics of a forest pest.
Auteurs : Emily V. Moran [États-Unis] ; Sharon Bewick [États-Unis] ; Christina A. Cobbold [Royaume-Uni]Source :
- Ecology [ 0012-9658 ] ; 2013.
Descripteurs français
- KwdFr :
- MESH :
- génétique : Populus.
- parasitologie : Papillons de nuit.
- physiologie : Arbres, Guêpes, Papillons de nuit.
- Animaux, Dynamique des populations, Démographie, Génotype, Lutte biologique contre les nuisibles.
English descriptors
- KwdEn :
- MESH :
- genetics : Populus.
- parasitology : Moths.
- physiology : Moths, Trees, Wasps.
- Animals, Demography, Genotype, Pest Control, Biological, Population Dynamics.
Abstract
It has been shown that plant genotype can strongly affect not only individual herbivore performance, but also community composition and ecosystem function. Few studies, however, have addressed how plant genotype affects herbivore population dynamics. In this paper, we used a simulation modeling approach to ask how the genetic composition of a forest influences pest outbreak dynamics, using the example of aspen (Populus tremuloides) and forest tent caterpillars (FTC; Malacosoma disstria). Specifically, we examined how plant genotype, the relative size of genotypic patches, and the rate of insect dispersal between them, affect the frequency, amplitude, and duration of outbreaks. We found that coupling two different genotypes does not necessarily result in an averaging of insect dynamics. Instead, depending on the ratio of patch sizes, when dispersal rates are moderate, outbreaks in the two-genotype case may be more or less severe than in forests of either genotype alone. Thresholds for different dynamic behaviors were similar for all genotypic combinations. Thus, the qualitative behavior of a stand of two different genotypes can be predicted based on the response of the insect to each genotype, the relative sizes of the two patches, and the scale of insect dispersal.
DOI: 10.1890/12-1708.1
PubMed: 24597225
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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Moran</name><affiliation wicri:level="1"><nlm:affiliation>NIM BioS, University of Tennessee, Knoxville, Tennessee 37996, USA. emily.moran@usys.ethz.ch</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>NIM BioS, University of Tennessee, Knoxville, Tennessee 37996</wicri:regionArea><wicri:noRegion>Tennessee 37996</wicri:noRegion></affiliation></author><author><name sortKey="Bewick, Sharon" sort="Bewick, Sharon" uniqKey="Bewick S" first="Sharon" last="Bewick">Sharon Bewick</name><affiliation wicri:level="1"><nlm:affiliation>NIM BioS, University of Tennessee, Knoxville, Tennessee 37996, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>NIM BioS, University of Tennessee, Knoxville, Tennessee 37996</wicri:regionArea><wicri:noRegion>Tennessee 37996</wicri:noRegion></affiliation></author><author><name sortKey="Cobbold, Christina A" sort="Cobbold, Christina A" uniqKey="Cobbold C" first="Christina A" last="Cobbold">Christina A. Cobbold</name><affiliation wicri:level="4"><nlm:affiliation>University of Glasgow, School of Mathematics and Statistics, Glasgow G128QW United Kingdom.</nlm:affiliation><orgName type="university">Université de Glasgow</orgName><country>Royaume-Uni</country><placeName><settlement type="city">Glasgow</settlement><region type="country">Écosse</region></placeName></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2013">2013</date><idno type="RBID">pubmed:24597225</idno><idno type="pmid">24597225</idno><idno type="doi">10.1890/12-1708.1</idno><idno type="wicri:Area/Main/Corpus">002279</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">002279</idno><idno type="wicri:Area/Main/Curation">002279</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">002279</idno><idno type="wicri:Area/Main/Exploration">002279</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Effects of plant genotype and insect dispersal rate on the population dynamics of a forest pest.</title><author><name sortKey="Moran, Emily V" sort="Moran, Emily V" uniqKey="Moran E" first="Emily V" last="Moran">Emily V. Moran</name><affiliation wicri:level="1"><nlm:affiliation>NIM BioS, University of Tennessee, Knoxville, Tennessee 37996, USA. emily.moran@usys.ethz.ch</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>NIM BioS, University of Tennessee, Knoxville, Tennessee 37996</wicri:regionArea><wicri:noRegion>Tennessee 37996</wicri:noRegion></affiliation></author><author><name sortKey="Bewick, Sharon" sort="Bewick, Sharon" uniqKey="Bewick S" first="Sharon" last="Bewick">Sharon Bewick</name><affiliation wicri:level="1"><nlm:affiliation>NIM BioS, University of Tennessee, Knoxville, Tennessee 37996, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>NIM BioS, University of Tennessee, Knoxville, Tennessee 37996</wicri:regionArea><wicri:noRegion>Tennessee 37996</wicri:noRegion></affiliation></author><author><name sortKey="Cobbold, Christina A" sort="Cobbold, Christina A" uniqKey="Cobbold C" first="Christina A" last="Cobbold">Christina A. Cobbold</name><affiliation wicri:level="4"><nlm:affiliation>University of Glasgow, School of Mathematics and Statistics, Glasgow G128QW United Kingdom.</nlm:affiliation><orgName type="university">Université de Glasgow</orgName><country>Royaume-Uni</country><placeName><settlement type="city">Glasgow</settlement><region type="country">Écosse</region></placeName></affiliation></author></analytic><series><title level="j">Ecology</title><idno type="ISSN">0012-9658</idno><imprint><date when="2013" type="published">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals (MeSH)</term><term>Demography (MeSH)</term><term>Genotype (MeSH)</term><term>Moths (parasitology)</term><term>Moths (physiology)</term><term>Pest Control, Biological (MeSH)</term><term>Population Dynamics (MeSH)</term><term>Populus (genetics)</term><term>Trees (physiology)</term><term>Wasps (physiology)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Animaux (MeSH)</term><term>Arbres (physiologie)</term><term>Dynamique des populations (MeSH)</term><term>Démographie (MeSH)</term><term>Guêpes (physiologie)</term><term>Génotype (MeSH)</term><term>Lutte biologique contre les nuisibles (MeSH)</term><term>Papillons de nuit (parasitologie)</term><term>Papillons de nuit (physiologie)</term><term>Populus (génétique)</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Populus</term></keywords><keywords scheme="MESH" qualifier="parasitologie" xml:lang="fr"><term>Papillons de nuit</term></keywords><keywords scheme="MESH" qualifier="parasitology" xml:lang="en"><term>Moths</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Arbres</term><term>Guêpes</term><term>Papillons de nuit</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Moths</term><term>Trees</term><term>Wasps</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Demography</term><term>Genotype</term><term>Pest Control, Biological</term><term>Population Dynamics</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Animaux</term><term>Dynamique des populations</term><term>Démographie</term><term>Génotype</term><term>Lutte biologique contre les nuisibles</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">It has been shown that plant genotype can strongly affect not only individual herbivore performance, but also community composition and ecosystem function. Few studies, however, have addressed how plant genotype affects herbivore population dynamics. In this paper, we used a simulation modeling approach to ask how the genetic composition of a forest influences pest outbreak dynamics, using the example of aspen (Populus tremuloides) and forest tent caterpillars (FTC; Malacosoma disstria). Specifically, we examined how plant genotype, the relative size of genotypic patches, and the rate of insect dispersal between them, affect the frequency, amplitude, and duration of outbreaks. We found that coupling two different genotypes does not necessarily result in an averaging of insect dynamics. Instead, depending on the ratio of patch sizes, when dispersal rates are moderate, outbreaks in the two-genotype case may be more or less severe than in forests of either genotype alone. Thresholds for different dynamic behaviors were similar for all genotypic combinations. Thus, the qualitative behavior of a stand of two different genotypes can be predicted based on the response of the insect to each genotype, the relative sizes of the two patches, and the scale of insect dispersal.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">24597225</PMID><DateCompleted><Year>2014</Year><Month>04</Month><Day>03</Day></DateCompleted><DateRevised><Year>2019</Year><Month>09</Month><Day>02</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0012-9658</ISSN><JournalIssue CitedMedium="Print"><Volume>94</Volume><Issue>12</Issue><PubDate><Year>2013</Year><Month>Dec</Month></PubDate></JournalIssue><Title>Ecology</Title><ISOAbbreviation>Ecology</ISOAbbreviation></Journal><ArticleTitle>Effects of plant genotype and insect dispersal rate on the population dynamics of a forest pest.</ArticleTitle><Pagination><MedlinePgn>2792-802</MedlinePgn></Pagination><Abstract><AbstractText>It has been shown that plant genotype can strongly affect not only individual herbivore performance, but also community composition and ecosystem function. Few studies, however, have addressed how plant genotype affects herbivore population dynamics. In this paper, we used a simulation modeling approach to ask how the genetic composition of a forest influences pest outbreak dynamics, using the example of aspen (Populus tremuloides) and forest tent caterpillars (FTC; Malacosoma disstria). Specifically, we examined how plant genotype, the relative size of genotypic patches, and the rate of insect dispersal between them, affect the frequency, amplitude, and duration of outbreaks. We found that coupling two different genotypes does not necessarily result in an averaging of insect dynamics. Instead, depending on the ratio of patch sizes, when dispersal rates are moderate, outbreaks in the two-genotype case may be more or less severe than in forests of either genotype alone. Thresholds for different dynamic behaviors were similar for all genotypic combinations. Thus, the qualitative behavior of a stand of two different genotypes can be predicted based on the response of the insect to each genotype, the relative sizes of the two patches, and the scale of insect dispersal.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Moran</LastName><ForeName>Emily V</ForeName><Initials>EV</Initials><AffiliationInfo><Affiliation>NIM BioS, University of Tennessee, Knoxville, Tennessee 37996, USA. emily.moran@usys.ethz.ch</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Bewick</LastName><ForeName>Sharon</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>NIM BioS, University of Tennessee, Knoxville, Tennessee 37996, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Cobbold</LastName><ForeName>Christina A</ForeName><Initials>CA</Initials><AffiliationInfo><Affiliation>University of Glasgow, School of Mathematics and Statistics, Glasgow G128QW United Kingdom.</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><PublicationType UI="D013486">Research Support, U.S. Gov't, Non-P.H.S.</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 UI="D000818" MajorTopicYN="N">Animals</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003710" MajorTopicYN="N">Demography</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005838" MajorTopicYN="Y">Genotype</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009036" MajorTopicYN="N">Moths</DescriptorName><QualifierName UI="Q000469" MajorTopicYN="Y">parasitology</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D010572" MajorTopicYN="N">Pest Control, Biological</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D011157" MajorTopicYN="N">Population Dynamics</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="Y">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014197" MajorTopicYN="N">Trees</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D014863" MajorTopicYN="N">Wasps</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2014</Year><Month>3</Month><Day>7</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2014</Year><Month>3</Month><Day>7</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2014</Year><Month>4</Month><Day>4</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">24597225</ArticleId><ArticleId IdType="doi">10.1890/12-1708.1</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Royaume-Uni</li><li>États-Unis</li></country><region><li>Écosse</li></region><settlement><li>Glasgow</li></settlement><orgName><li>Université de Glasgow</li></orgName></list><tree><country name="États-Unis"><noRegion><name sortKey="Moran, Emily V" sort="Moran, Emily V" uniqKey="Moran E" first="Emily V" last="Moran">Emily V. Moran</name></noRegion><name sortKey="Bewick, Sharon" sort="Bewick, Sharon" uniqKey="Bewick S" first="Sharon" last="Bewick">Sharon Bewick</name></country><country name="Royaume-Uni"><region name="Écosse"><name sortKey="Cobbold, Christina A" sort="Cobbold, Christina A" uniqKey="Cobbold C" first="Christina A" last="Cobbold">Christina A. Cobbold</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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