Disentangling herbivore impacts on Populus tremuloides: a comparison of native ungulates and cattle in Canada's Aspen Parkland.
Identifieur interne : 002731 ( Main/Exploration ); précédent : 002730; suivant : 002732Disentangling herbivore impacts on Populus tremuloides: a comparison of native ungulates and cattle in Canada's Aspen Parkland.
Auteurs : Edward W. Bork [Canada] ; Cameron N. Carlyle ; James F. Cahill ; Rae E. Haddow ; Robert J. HudsonSource :
- Oecologia [ 1432-1939 ] ; 2013.
Descripteurs français
- KwdFr :
- Alberta (MeSH), Analyse de variance (MeSH), Animaux (MeSH), Bisons (physiologie), Bovins (physiologie), Cervidae (physiologie), Densité de population (MeSH), Dynamique des populations (MeSH), Herbivorie (physiologie), Modèles linéaires (MeSH), Populus (physiologie), Spécificité d'espèce (MeSH), Écosystème (MeSH).
- MESH :
English descriptors
- KwdEn :
- MESH :
- geographic : Alberta.
- physiology : Bison, Cattle, Deer, Herbivory, Populus.
- Analysis of Variance, Animals, Ecosystem, Linear Models, Population Density, Population Dynamics, Species Specificity.
Abstract
Ungulates impact woody species' growth and abundance but little is understood about the comparative impacts of different ungulate species on forest expansion in savanna environments. Replacement of native herbivore guilds with livestock [i.e., beef cattle (Bos taurus)] has been hypothesized as a factor facilitating trembling aspen (Populus tremuloides Michx.) encroachment into grasslands of the Northern Great Plains. We used a controlled herbivory study in the Parklands of western Canada to compare the impact of native ungulates and cattle on aspen saplings. Native ungulate treatments included a mixed species guild and sequences of herbivory by different ungulates [bison (Bison bison subsp. bison), elk (Cervus elaphus) then deer (Odocoileus hemionus); or deer, elk, then bison]. Herbivory treatments were replicated in three pastures, within which sets of 40 marked aspen saplings (<1.8 m) were tracked along permanent transects at 2-week intervals, and compared to a non-grazed aspen stand. Stems were assessed for mortality and incremental damage (herbivory, leader breakage, stem abrasion and trampling). Final mortality was greater with exposure to any type of herbivore, but remained similar between ungulate treatments. However, among all treatments, the growth of aspen was highest with exposure only to cattle. Herbivory of aspen was attributed primarily to elk within the native ungulate treatments, with other forms of physical damage, and ultimately sapling mortality, associated with exposure to bison. Overall, these results indicate that native ungulates, specifically elk and bison, have more negative impacts on aspen saplings and provide evidence that native and domestic ungulates can have different functional effects on woody plant dynamics in savanna ecosystems.
DOI: 10.1007/s00442-013-2676-x
PubMed: 23649757
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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Hudson</name></author></analytic><series><title level="j">Oecologia</title><idno type="eISSN">1432-1939</idno><imprint><date when="2013" type="published">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Alberta (MeSH)</term><term>Analysis of Variance (MeSH)</term><term>Animals (MeSH)</term><term>Bison (physiology)</term><term>Cattle (physiology)</term><term>Deer (physiology)</term><term>Ecosystem (MeSH)</term><term>Herbivory (physiology)</term><term>Linear Models (MeSH)</term><term>Population Density (MeSH)</term><term>Population Dynamics (MeSH)</term><term>Populus (physiology)</term><term>Species Specificity (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Alberta (MeSH)</term><term>Analyse de variance (MeSH)</term><term>Animaux (MeSH)</term><term>Bisons (physiologie)</term><term>Bovins (physiologie)</term><term>Cervidae (physiologie)</term><term>Densité de population (MeSH)</term><term>Dynamique des populations (MeSH)</term><term>Herbivorie (physiologie)</term><term>Modèles linéaires (MeSH)</term><term>Populus (physiologie)</term><term>Spécificité d'espèce (MeSH)</term><term>Écosystème (MeSH)</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>Alberta</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Bisons</term><term>Bovins</term><term>Cervidae</term><term>Herbivorie</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Bison</term><term>Cattle</term><term>Deer</term><term>Herbivory</term><term>Populus</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Analysis of Variance</term><term>Animals</term><term>Ecosystem</term><term>Linear Models</term><term>Population Density</term><term>Population Dynamics</term><term>Species Specificity</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Alberta</term><term>Analyse de variance</term><term>Animaux</term><term>Densité de population</term><term>Dynamique des populations</term><term>Modèles linéaires</term><term>Spécificité d'espèce</term><term>Écosystème</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Ungulates impact woody species' growth and abundance but little is understood about the comparative impacts of different ungulate species on forest expansion in savanna environments. Replacement of native herbivore guilds with livestock [i.e., beef cattle (Bos taurus)] has been hypothesized as a factor facilitating trembling aspen (Populus tremuloides Michx.) encroachment into grasslands of the Northern Great Plains. We used a controlled herbivory study in the Parklands of western Canada to compare the impact of native ungulates and cattle on aspen saplings. Native ungulate treatments included a mixed species guild and sequences of herbivory by different ungulates [bison (Bison bison subsp. bison), elk (Cervus elaphus) then deer (Odocoileus hemionus); or deer, elk, then bison]. Herbivory treatments were replicated in three pastures, within which sets of 40 marked aspen saplings (<1.8 m) were tracked along permanent transects at 2-week intervals, and compared to a non-grazed aspen stand. Stems were assessed for mortality and incremental damage (herbivory, leader breakage, stem abrasion and trampling). Final mortality was greater with exposure to any type of herbivore, but remained similar between ungulate treatments. However, among all treatments, the growth of aspen was highest with exposure only to cattle. Herbivory of aspen was attributed primarily to elk within the native ungulate treatments, with other forms of physical damage, and ultimately sapling mortality, associated with exposure to bison. Overall, these results indicate that native ungulates, specifically elk and bison, have more negative impacts on aspen saplings and provide evidence that native and domestic ungulates can have different functional effects on woody plant dynamics in savanna ecosystems.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">23649757</PMID><DateCompleted><Year>2014</Year><Month>05</Month><Day>19</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>173</Volume><Issue>3</Issue><PubDate><Year>2013</Year><Month>Nov</Month></PubDate></JournalIssue><Title>Oecologia</Title><ISOAbbreviation>Oecologia</ISOAbbreviation></Journal><ArticleTitle>Disentangling herbivore impacts on Populus tremuloides: a comparison of native ungulates and cattle in Canada's Aspen Parkland.</ArticleTitle><Pagination><MedlinePgn>895-904</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s00442-013-2676-x</ELocationID><Abstract><AbstractText>Ungulates impact woody species' growth and abundance but little is understood about the comparative impacts of different ungulate species on forest expansion in savanna environments. Replacement of native herbivore guilds with livestock [i.e., beef cattle (Bos taurus)] has been hypothesized as a factor facilitating trembling aspen (Populus tremuloides Michx.) encroachment into grasslands of the Northern Great Plains. We used a controlled herbivory study in the Parklands of western Canada to compare the impact of native ungulates and cattle on aspen saplings. Native ungulate treatments included a mixed species guild and sequences of herbivory by different ungulates [bison (Bison bison subsp. bison), elk (Cervus elaphus) then deer (Odocoileus hemionus); or deer, elk, then bison]. Herbivory treatments were replicated in three pastures, within which sets of 40 marked aspen saplings (<1.8 m) were tracked along permanent transects at 2-week intervals, and compared to a non-grazed aspen stand. Stems were assessed for mortality and incremental damage (herbivory, leader breakage, stem abrasion and trampling). Final mortality was greater with exposure to any type of herbivore, but remained similar between ungulate treatments. However, among all treatments, the growth of aspen was highest with exposure only to cattle. Herbivory of aspen was attributed primarily to elk within the native ungulate treatments, with other forms of physical damage, and ultimately sapling mortality, associated with exposure to bison. Overall, these results indicate that native ungulates, specifically elk and bison, have more negative impacts on aspen saplings and provide evidence that native and domestic ungulates can have different functional effects on woody plant dynamics in savanna ecosystems.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Bork</LastName><ForeName>Edward W</ForeName><Initials>EW</Initials><AffiliationInfo><Affiliation>Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB, T6G 2P5, Canada, Edward.bork@ales.ualberta.ca.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Carlyle</LastName><ForeName>Cameron N</ForeName><Initials>CN</Initials></Author><Author ValidYN="Y"><LastName>Cahill</LastName><ForeName>James F</ForeName><Initials>JF</Initials></Author><Author ValidYN="Y"><LastName>Haddow</LastName><ForeName>Rae E</ForeName><Initials>RE</Initials></Author><Author ValidYN="Y"><LastName>Hudson</LastName><ForeName>Robert J</ForeName><Initials>RJ</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2013</Year><Month>05</Month><Day>07</Day></ArticleDate></Article><MedlineJournalInfo><Country>Germany</Country><MedlineTA>Oecologia</MedlineTA><NlmUniqueID>0150372</NlmUniqueID><ISSNLinking>0029-8549</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000416" MajorTopicYN="N" Type="Geographic">Alberta</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000704" MajorTopicYN="N">Analysis of Variance</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D000818" MajorTopicYN="N">Animals</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D016164" MajorTopicYN="N">Bison</DescriptorName><QualifierName UI="Q000502" 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PubStatus="medline"><Year>2014</Year><Month>5</Month><Day>20</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">23649757</ArticleId><ArticleId IdType="doi">10.1007/s00442-013-2676-x</ArticleId></ArticleIdList><ReferenceList><Reference><Citation>Oecologia. 1999 Aug;120(2):287-294</Citation><ArticleIdList><ArticleId IdType="pubmed">28308091</ArticleId></ArticleIdList></Reference><Reference><Citation>Ecol Appl. 1993 Nov;3(4):631-643</Citation><ArticleIdList><ArticleId IdType="pubmed">27759299</ArticleId></ArticleIdList></Reference><Reference><Citation>Ecology. 2011 Aug;92(8):1626-36</Citation><ArticleIdList><ArticleId IdType="pubmed">21905429</ArticleId></ArticleIdList></Reference><Reference><Citation>Oecologia. 1989 Mar;78(4):443-457</Citation><ArticleIdList><ArticleId IdType="pubmed">28312172</ArticleId></ArticleIdList></Reference><Reference><Citation>Science. 2011 Sep 23;333(6050):1753-5</Citation><ArticleIdList><ArticleId IdType="pubmed">21940896</ArticleId></ArticleIdList></Reference><Reference><Citation>J Anim Ecol. 2010 Mar;79(2):372-82</Citation><ArticleIdList><ArticleId IdType="pubmed">20039982</ArticleId></ArticleIdList></Reference><Reference><Citation>Glob Chang Biol. 2013 Apr;19(4):1188-96</Citation><ArticleIdList><ArticleId IdType="pubmed">23504895</ArticleId></ArticleIdList></Reference></ReferenceList></PubmedData></pubmed><affiliations><list><country><li>Canada</li></country></list><tree><noCountry><name sortKey="Cahill, James F" sort="Cahill, James F" uniqKey="Cahill J" first="James F" last="Cahill">James F. Cahill</name><name sortKey="Carlyle, Cameron N" sort="Carlyle, Cameron N" uniqKey="Carlyle C" first="Cameron N" last="Carlyle">Cameron N. Carlyle</name><name sortKey="Haddow, Rae E" sort="Haddow, Rae E" uniqKey="Haddow R" first="Rae E" last="Haddow">Rae E. Haddow</name><name sortKey="Hudson, Robert J" sort="Hudson, Robert J" uniqKey="Hudson R" first="Robert J" last="Hudson">Robert J. Hudson</name></noCountry><country name="Canada"><noRegion><name sortKey="Bork, Edward W" sort="Bork, Edward W" uniqKey="Bork E" first="Edward W" last="Bork">Edward W. Bork</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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