The relative influences of host plant genotype and yearly abiotic variability in determining herbivore abundance.
Identifieur interne : 002879 ( Main/Exploration ); précédent : 002878; suivant : 002880The relative influences of host plant genotype and yearly abiotic variability in determining herbivore abundance.
Auteurs : Luke M. Evans [États-Unis] ; James S. Clark ; Amy V. Whipple ; Thomas G. WhithamSource :
- Oecologia [ 1432-1939 ] ; 2012.
Descripteurs français
- KwdFr :
- MESH :
- génétique : Populus.
- physiologie : Mites (acariens).
- Animaux, Densité de population, Dynamique des populations, Génotype, Herbivorie, Théorème de Bayes.
English descriptors
- KwdEn :
- MESH :
- genetics : Populus.
- physiology : Mites.
- Animals, Bayes Theorem, Genotype, Herbivory, Population Density, Population Dynamics.
Abstract
Both plant genotype and yearly abiotic variation affect herbivore population sizes, but long-term data have rarely been used to contrast the relative contributions of each. Using a hierarchical Bayesian model, we directly compare effects of these two factors on the population size of a common herbivore, Aceria parapopuli, on Populus angustifolia × fremontii F(1) hybrid trees growing in a common garden across 8 years. Several patterns emerged. First, the Bayesian posterior estimates of tree genotype effects on mite gall number ranged from 0.0043 to 229 on a linear scale. Second, year effect sizes across 8 years of study ranged from 0.133 to 1.895. Third, in comparing the magnitudes of genotypic versus yearly variation, we found that genotypic variation was over 130 times greater than variation among years. Fourth, precipitation in the previous year negatively affected gall abundances, but was minimal compared to tree genotype effects. These findings demonstrate the relative importance of tree genotypic variation in determining herbivore population size. However, given the demonstrated sensitivity of cottonwoods to drought, the loss of individual tree genotypes from an altered climate would have catastrophic impacts on mites that are dependent upon these genotypes for their survival.
DOI: 10.1007/s00442-011-2108-8
PubMed: 21918874
Affiliations:
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Evans</name><affiliation wicri:level="2"><nlm:affiliation>Department of Biological Sciences, The Environmental Genetics and Genomics Laboratory and Merriam-Powell Center for Environmental Research, Northern Arizona University, PO Box 5640, Flagstaff, AZ 86011, USA. lme36@nau.edu</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Biological Sciences, The Environmental Genetics and Genomics Laboratory and Merriam-Powell Center for Environmental Research, Northern Arizona University, PO Box 5640, Flagstaff, AZ 86011</wicri:regionArea><placeName><region type="state">Arizona</region></placeName></affiliation></author><author><name sortKey="Clark, James S" sort="Clark, James S" uniqKey="Clark J" first="James S" last="Clark">James S. Clark</name></author><author><name sortKey="Whipple, Amy V" sort="Whipple, Amy V" uniqKey="Whipple A" first="Amy V" last="Whipple">Amy V. Whipple</name></author><author><name sortKey="Whitham, Thomas G" sort="Whitham, Thomas G" uniqKey="Whitham T" first="Thomas G" last="Whitham">Thomas G. 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Using a hierarchical Bayesian model, we directly compare effects of these two factors on the population size of a common herbivore, Aceria parapopuli, on Populus angustifolia × fremontii F(1) hybrid trees growing in a common garden across 8 years. Several patterns emerged. First, the Bayesian posterior estimates of tree genotype effects on mite gall number ranged from 0.0043 to 229 on a linear scale. Second, year effect sizes across 8 years of study ranged from 0.133 to 1.895. Third, in comparing the magnitudes of genotypic versus yearly variation, we found that genotypic variation was over 130 times greater than variation among years. Fourth, precipitation in the previous year negatively affected gall abundances, but was minimal compared to tree genotype effects. These findings demonstrate the relative importance of tree genotypic variation in determining herbivore population size. However, given the demonstrated sensitivity of cottonwoods to drought, the loss of individual tree genotypes from an altered climate would have catastrophic impacts on mites that are dependent upon these genotypes for their survival.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">21918874</PMID><DateCompleted><Year>2012</Year><Month>07</Month><Day>31</Day></DateCompleted><DateRevised><Year>2018</Year><Month>11</Month><Day>13</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1432-1939</ISSN><JournalIssue CitedMedium="Internet"><Volume>168</Volume><Issue>2</Issue><PubDate><Year>2012</Year><Month>Feb</Month></PubDate></JournalIssue><Title>Oecologia</Title><ISOAbbreviation>Oecologia</ISOAbbreviation></Journal><ArticleTitle>The relative influences of host plant genotype and yearly abiotic variability in determining herbivore abundance.</ArticleTitle><Pagination><MedlinePgn>483-9</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s00442-011-2108-8</ELocationID><Abstract><AbstractText>Both plant genotype and yearly abiotic variation affect herbivore population sizes, but long-term data have rarely been used to contrast the relative contributions of each. Using a hierarchical Bayesian model, we directly compare effects of these two factors on the population size of a common herbivore, Aceria parapopuli, on Populus angustifolia × fremontii F(1) hybrid trees growing in a common garden across 8 years. Several patterns emerged. First, the Bayesian posterior estimates of tree genotype effects on mite gall number ranged from 0.0043 to 229 on a linear scale. Second, year effect sizes across 8 years of study ranged from 0.133 to 1.895. Third, in comparing the magnitudes of genotypic versus yearly variation, we found that genotypic variation was over 130 times greater than variation among years. Fourth, precipitation in the previous year negatively affected gall abundances, but was minimal compared to tree genotype effects. These findings demonstrate the relative importance of tree genotypic variation in determining herbivore population size. 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IdType="pubmed">28307342</ArticleId></ArticleIdList></Reference></ReferenceList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>Arizona</li></region></list><tree><noCountry><name sortKey="Clark, James S" sort="Clark, James S" uniqKey="Clark J" first="James S" last="Clark">James S. Clark</name><name sortKey="Whipple, Amy V" sort="Whipple, Amy V" uniqKey="Whipple A" first="Amy V" last="Whipple">Amy V. Whipple</name><name sortKey="Whitham, Thomas G" sort="Whitham, Thomas G" uniqKey="Whitham T" first="Thomas G" last="Whitham">Thomas G. Whitham</name></noCountry><country name="États-Unis"><region name="Arizona"><name sortKey="Evans, Luke M" sort="Evans, Luke M" uniqKey="Evans L" first="Luke M" last="Evans">Luke M. Evans</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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