Species Introductions and Their Cascading Impacts on Biotic Interactions in desert riparian ecosystems.
Identifieur interne : 001B34 ( Main/Exploration ); précédent : 001B33; suivant : 001B35Species Introductions and Their Cascading Impacts on Biotic Interactions in desert riparian ecosystems.
Auteurs : Kevin R. Hultine [Bulgarie] ; Dan W. Bean [États-Unis] ; Tom L. Dudley [États-Unis] ; Catherine A. Gehring [États-Unis]Source :
- Integrative and comparative biology [ 1557-7023 ] ; 2015.
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Abstract
Desert riparian ecosystems of North America are hotspots of biodiversity that support many sensitive species, and are in a region experiencing some of the highest rates of climatic alteration in North America. Fremont cottonwood, Populus fremontii, is a foundation tree species of this critical habitat, but it is threatened by global warming and regional drying, and by a non-native tree/shrub, Tamarix spp., all of which can disrupt the mutualism between P. fremontii and its beneficial mycorrhizal fungal communities. Specialist herbivorous leaf beetles (Diorhabda spp.) introduced for biocontrol of Tamarix are altering the relationship between this shrub and its environment. Repeated episodic feeding on Tamarix foliage by Diorhabda results in varying rates of dieback and mortality, depending on genetic variation in allocation of resources, growing conditions, and phenological synchrony between herbivore and host plant. In this article, we review the complex interaction between climatic change and species introductions and their combined impacts on P. fremontii and their associated communities. We anticipate that (1) certain genotypes of P. fremontii will respond more favorably to the presence of Tamarix and to climatic change due to varying selection pressures to cope with competition and stress; (2) the ongoing evolution of Diorhabda's life cycle timing will continue to facilitate its expansion in North America, and will over time enhance herbivore impact to Tamarix; (3) defoliation by Diorhabda will reduce the negative impact of Tamarix on P. fremontii associations with mycorrhizal fungi; and (4) spatial variability in climate and climatic change will modify the capacity for Tamarix to survive episodic defoliation by Diorhabda, thereby altering the relationship between Tamarix and P. fremontii, and its associated mycorrhizal fungal communities. Given the complex biotic/abiotic interactions outlined in this review, conservation biologists and riparian ecosystem managers should strive to identify and conserve the phenotypic traits that underpin tolerance and resistance to stressors such as climate change and species invasion. Such efforts will greatly enhance conservation restoration efficacy for protecting P. fremontii forests and their associated communities.
DOI: 10.1093/icb/icv019
PubMed: 25908667
Affiliations:
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Dudley</name><affiliation wicri:level="2"><nlm:affiliation>Marine Science Institute, University of California, Santa Barbara, CA, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Marine Science Institute, University of California, Santa Barbara, CA</wicri:regionArea><placeName><region type="state">Californie</region></placeName></affiliation></author><author><name sortKey="Gehring, Catherine A" sort="Gehring, Catherine A" uniqKey="Gehring C" first="Catherine A" last="Gehring">Catherine A. 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Fremont cottonwood, Populus fremontii, is a foundation tree species of this critical habitat, but it is threatened by global warming and regional drying, and by a non-native tree/shrub, Tamarix spp., all of which can disrupt the mutualism between P. fremontii and its beneficial mycorrhizal fungal communities. Specialist herbivorous leaf beetles (Diorhabda spp.) introduced for biocontrol of Tamarix are altering the relationship between this shrub and its environment. Repeated episodic feeding on Tamarix foliage by Diorhabda results in varying rates of dieback and mortality, depending on genetic variation in allocation of resources, growing conditions, and phenological synchrony between herbivore and host plant. In this article, we review the complex interaction between climatic change and species introductions and their combined impacts on P. fremontii and their associated communities. We anticipate that (1) certain genotypes of P. fremontii will respond more favorably to the presence of Tamarix and to climatic change due to varying selection pressures to cope with competition and stress; (2) the ongoing evolution of Diorhabda's life cycle timing will continue to facilitate its expansion in North America, and will over time enhance herbivore impact to Tamarix; (3) defoliation by Diorhabda will reduce the negative impact of Tamarix on P. fremontii associations with mycorrhizal fungi; and (4) spatial variability in climate and climatic change will modify the capacity for Tamarix to survive episodic defoliation by Diorhabda, thereby altering the relationship between Tamarix and P. fremontii, and its associated mycorrhizal fungal communities. Given the complex biotic/abiotic interactions outlined in this review, conservation biologists and riparian ecosystem managers should strive to identify and conserve the phenotypic traits that underpin tolerance and resistance to stressors such as climate change and species invasion. Such efforts will greatly enhance conservation restoration efficacy for protecting P. fremontii forests and their associated communities. </div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">25908667</PMID><DateCompleted><Year>2016</Year><Month>12</Month><Day>13</Day></DateCompleted><DateRevised><Year>2020</Year><Month>09</Month><Day>30</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1557-7023</ISSN><JournalIssue CitedMedium="Internet"><Volume>55</Volume><Issue>4</Issue><PubDate><Year>2015</Year><Month>Oct</Month></PubDate></JournalIssue><Title>Integrative and comparative biology</Title><ISOAbbreviation>Integr Comp Biol</ISOAbbreviation></Journal><ArticleTitle>Species Introductions and Their Cascading Impacts on Biotic Interactions in desert riparian ecosystems.</ArticleTitle><Pagination><MedlinePgn>587-601</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1093/icb/icv019</ELocationID><Abstract><AbstractText>Desert riparian ecosystems of North America are hotspots of biodiversity that support many sensitive species, and are in a region experiencing some of the highest rates of climatic alteration in North America. Fremont cottonwood, Populus fremontii, is a foundation tree species of this critical habitat, but it is threatened by global warming and regional drying, and by a non-native tree/shrub, Tamarix spp., all of which can disrupt the mutualism between P. fremontii and its beneficial mycorrhizal fungal communities. Specialist herbivorous leaf beetles (Diorhabda spp.) introduced for biocontrol of Tamarix are altering the relationship between this shrub and its environment. Repeated episodic feeding on Tamarix foliage by Diorhabda results in varying rates of dieback and mortality, depending on genetic variation in allocation of resources, growing conditions, and phenological synchrony between herbivore and host plant. In this article, we review the complex interaction between climatic change and species introductions and their combined impacts on P. fremontii and their associated communities. We anticipate that (1) certain genotypes of P. fremontii will respond more favorably to the presence of Tamarix and to climatic change due to varying selection pressures to cope with competition and stress; (2) the ongoing evolution of Diorhabda's life cycle timing will continue to facilitate its expansion in North America, and will over time enhance herbivore impact to Tamarix; (3) defoliation by Diorhabda will reduce the negative impact of Tamarix on P. fremontii associations with mycorrhizal fungi; and (4) spatial variability in climate and climatic change will modify the capacity for Tamarix to survive episodic defoliation by Diorhabda, thereby altering the relationship between Tamarix and P. fremontii, and its associated mycorrhizal fungal communities. Given the complex biotic/abiotic interactions outlined in this review, conservation biologists and riparian ecosystem managers should strive to identify and conserve the phenotypic traits that underpin tolerance and resistance to stressors such as climate change and species invasion. Such efforts will greatly enhance conservation restoration efficacy for protecting P. fremontii forests and their associated communities. </AbstractText><CopyrightInformation>© The Author 2015. Published by Oxford University Press on behalf of the Society for Integrative and Comparative Biology. All rights reserved. For permissions please email: journals.permissions@oup.com.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Hultine</LastName><ForeName>Kevin R</ForeName><Initials>KR</Initials><AffiliationInfo><Affiliation>*Department of Research, Conservation and Collections, Desert Botanical Garden, Phoenix, AZ, USA khultine@dbg.org.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Bean</LastName><ForeName>Dan W</ForeName><Initials>DW</Initials><AffiliationInfo><Affiliation>Palisade Insectary, Colorado Department of Agriculture, Palisade, CO, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Dudley</LastName><ForeName>Tom L</ForeName><Initials>TL</Initials><AffiliationInfo><Affiliation>Marine Science Institute, University of California, Santa Barbara, CA, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Gehring</LastName><ForeName>Catherine A</ForeName><Initials>CA</Initials><AffiliationInfo><Affiliation>Department of Biological Sciences, Northern Arizona University, Flagstaff, AZ, USA.</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="D016454">Review</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2015</Year><Month>04</Month><Day>22</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Integr Comp Biol</MedlineTA><NlmUniqueID>101152341</NlmUniqueID><ISSNLinking>1540-7063</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000818" MajorTopicYN="N">Animals</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D057231" MajorTopicYN="N">Climate Change</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D003889" MajorTopicYN="Y">Desert Climate</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017753" MajorTopicYN="Y">Ecosystem</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D058865" MajorTopicYN="Y">Introduced Species</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D045483" MajorTopicYN="Y">Rivers</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2015</Year><Month>4</Month><Day>25</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2015</Year><Month>4</Month><Day>25</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2016</Year><Month>12</Month><Day>15</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">25908667</ArticleId><ArticleId IdType="pii">icv019</ArticleId><ArticleId IdType="doi">10.1093/icb/icv019</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Bulgarie</li><li>États-Unis</li></country><region><li>Arizona</li><li>Californie</li><li>Colorado</li></region></list><tree><country name="Bulgarie"><noRegion><name sortKey="Hultine, Kevin R" sort="Hultine, Kevin R" uniqKey="Hultine K" first="Kevin R" last="Hultine">Kevin R. Hultine</name></noRegion></country><country name="États-Unis"><region name="Colorado"><name sortKey="Bean, Dan W" sort="Bean, Dan W" uniqKey="Bean D" first="Dan W" last="Bean">Dan W. Bean</name></region><name sortKey="Dudley, Tom L" sort="Dudley, Tom L" uniqKey="Dudley T" first="Tom L" last="Dudley">Tom L. Dudley</name><name sortKey="Gehring, Catherine A" sort="Gehring, Catherine A" uniqKey="Gehring C" first="Catherine A" last="Gehring">Catherine A. Gehring</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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