Assisted migration to address climate change: recommendations for aspen reforestation in western Canada.
Identifieur interne : 002F89 ( Main/Exploration ); précédent : 002F88; suivant : 002F90Assisted migration to address climate change: recommendations for aspen reforestation in western Canada.
Auteurs : Laura K. Gray [Canada] ; Tim Gylander ; Michael S. Mbogga ; Pei-Yu Chen ; Andreas HamannSource :
- Ecological applications : a publication of the Ecological Society of America [ 1051-0761 ] ; 2011.
Descripteurs français
- KwdFr :
- MESH :
- Wicri :
- geographic : Canada.
English descriptors
- KwdEn :
- MESH :
- geographic : Canada.
- physiology : Populus, Seeds.
- Adaptation, Physiological, Climate Change, Demography, Ecosystem, Environmental Monitoring, Models, Theoretical, Remote Sensing Technology, Trees.
Abstract
Human-aided movement of species populations in large-scale reforestation programs could be a potent and cost-effective climate change adaptation strategy. Such large-scale management interventions, however, tend to entail the risks of unintended consequences, and we propose that three conditions should be met before implementing assisted migration in reforestation programs: (1) evidence of a climate-related adaptational lag, (2) observed biological impacts, and (3) robust model projections to target assisted migration efforts. In a case study of aspen (Populus tremuloides Michaux.) we use reciprocal transplant experiments to study adaptation of tree populations to local environments. Second, we monitor natural aspen populations using the MODIS enhanced vegetation index as a proxy for forest health and productivity. Last, we report results from bioclimate envelope models that predict suitable habitat for locally adapted genotypes under observed and predicted climate change. The combined results support assisted migration prescriptions and indicate that the risk of inaction likely exceeds the risk associated with changing established management practices. However, uncertainty in model projections also implies that we are restricted to a relatively short 20-year planning horizon for prescribing seed movement in reforestation programs. We believe that this study exemplifies a safe and realistic climate change adaptation strategy based on multiple sources of information and some understanding of the uncertainty associated with recommendations for assisted migration. Ad hoc migration prescriptions without a similar level of supporting information should be avoided in reforestation programs.
DOI: 10.1890/10-1054.1
PubMed: 21830704
Affiliations:
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Le document en format XML
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Gray</name><affiliation wicri:level="1"><nlm:affiliation>University of Alberta, Department of Renewable Resources, 751 General Services Building, Edmonton, Alberta T6G 2H1, Canada.</nlm:affiliation><country xml:lang="fr">Canada</country><wicri:regionArea>University of Alberta, Department of Renewable Resources, 751 General Services Building, Edmonton, Alberta T6G 2H1</wicri:regionArea><wicri:noRegion>Alberta T6G 2H1</wicri:noRegion></affiliation></author><author><name sortKey="Gylander, Tim" sort="Gylander, Tim" uniqKey="Gylander T" first="Tim" last="Gylander">Tim Gylander</name></author><author><name sortKey="Mbogga, Michael S" sort="Mbogga, Michael S" uniqKey="Mbogga M" first="Michael S" last="Mbogga">Michael S. Mbogga</name></author><author><name sortKey="Chen, Pei Yu" sort="Chen, Pei Yu" uniqKey="Chen P" first="Pei-Yu" last="Chen">Pei-Yu Chen</name></author><author><name sortKey="Hamann, Andreas" sort="Hamann, Andreas" uniqKey="Hamann A" first="Andreas" last="Hamann">Andreas Hamann</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2011">2011</date><idno type="RBID">pubmed:21830704</idno><idno type="pmid">21830704</idno><idno type="doi">10.1890/10-1054.1</idno><idno type="wicri:Area/Main/Corpus">002D21</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">002D21</idno><idno type="wicri:Area/Main/Curation">002D21</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">002D21</idno><idno type="wicri:Area/Main/Exploration">002D21</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Assisted migration to address climate change: recommendations for aspen reforestation in western Canada.</title><author><name sortKey="Gray, Laura K" sort="Gray, Laura K" uniqKey="Gray L" first="Laura K" last="Gray">Laura K. 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Such large-scale management interventions, however, tend to entail the risks of unintended consequences, and we propose that three conditions should be met before implementing assisted migration in reforestation programs: (1) evidence of a climate-related adaptational lag, (2) observed biological impacts, and (3) robust model projections to target assisted migration efforts. In a case study of aspen (Populus tremuloides Michaux.) we use reciprocal transplant experiments to study adaptation of tree populations to local environments. Second, we monitor natural aspen populations using the MODIS enhanced vegetation index as a proxy for forest health and productivity. Last, we report results from bioclimate envelope models that predict suitable habitat for locally adapted genotypes under observed and predicted climate change. The combined results support assisted migration prescriptions and indicate that the risk of inaction likely exceeds the risk associated with changing established management practices. However, uncertainty in model projections also implies that we are restricted to a relatively short 20-year planning horizon for prescribing seed movement in reforestation programs. We believe that this study exemplifies a safe and realistic climate change adaptation strategy based on multiple sources of information and some understanding of the uncertainty associated with recommendations for assisted migration. Ad hoc migration prescriptions without a similar level of supporting information should be avoided in reforestation programs.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">21830704</PMID><DateCompleted><Year>2011</Year><Month>09</Month><Day>01</Day></DateCompleted><DateRevised><Year>2019</Year><Month>09</Month><Day>18</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">1051-0761</ISSN><JournalIssue CitedMedium="Print"><Volume>21</Volume><Issue>5</Issue><PubDate><Year>2011</Year><Month>Jul</Month></PubDate></JournalIssue><Title>Ecological applications : a publication of the Ecological Society of America</Title><ISOAbbreviation>Ecol Appl</ISOAbbreviation></Journal><ArticleTitle>Assisted migration to address climate change: recommendations for aspen reforestation in western Canada.</ArticleTitle><Pagination><MedlinePgn>1591-603</MedlinePgn></Pagination><Abstract><AbstractText>Human-aided movement of species populations in large-scale reforestation programs could be a potent and cost-effective climate change adaptation strategy. Such large-scale management interventions, however, tend to entail the risks of unintended consequences, and we propose that three conditions should be met before implementing assisted migration in reforestation programs: (1) evidence of a climate-related adaptational lag, (2) observed biological impacts, and (3) robust model projections to target assisted migration efforts. In a case study of aspen (Populus tremuloides Michaux.) we use reciprocal transplant experiments to study adaptation of tree populations to local environments. Second, we monitor natural aspen populations using the MODIS enhanced vegetation index as a proxy for forest health and productivity. Last, we report results from bioclimate envelope models that predict suitable habitat for locally adapted genotypes under observed and predicted climate change. The combined results support assisted migration prescriptions and indicate that the risk of inaction likely exceeds the risk associated with changing established management practices. However, uncertainty in model projections also implies that we are restricted to a relatively short 20-year planning horizon for prescribing seed movement in reforestation programs. We believe that this study exemplifies a safe and realistic climate change adaptation strategy based on multiple sources of information and some understanding of the uncertainty associated with recommendations for assisted migration. 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Mbogga</name></noCountry><country name="Canada"><noRegion><name sortKey="Gray, Laura K" sort="Gray, Laura K" uniqKey="Gray L" first="Laura K" last="Gray">Laura K. Gray</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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