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Butterfly Species Richness Patterns in Canada: Energy, Heterogeneity, and the Potential Consequences of Climate Change

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dc.contributor.author Kerr, Jeremy T. en_US
dc.date.accessioned 2009-07-31T15:00:18Z
dc.date.available 2009-07-31T15:00:18Z
dc.date.issued 2001 en_US
dc.date.submitted 2009-02-02 en_US
dc.date.submitted 2009-02-02 en_US
dc.identifier.uri https://hdl.handle.net/10535/3369
dc.description.abstract "The distributions of most pollinator species are poorly documented despite their importance in providing ecosystem services. While these and other organisms are threatened by many aspects of the human enterprise, anthropogenic climate change is potentially the most severe threat to pollinator biodiversity. Mounting evidence demonstrates that there have already been biotic responses to the relatively small climate changes that have occurred this century. These include wholesale shifts of relatively well-documented butterfly and bird species in Europe and North America. Although studies of such phenomena are supported by circumstantial evidence, their findings are also consistent with predictions derived from current models of spatial patterns of species richness. Using new GIS methods that are highly precise and accurate, I document spatial patterns of Canadian butterfly diversity. These are strongly related to contemporary climate and particularly to potential evapotranspiration. An even more noteworthy finding is the fact that, for the first time, habitat heterogeneity, measured as the number of land cover types in each study unit, is proven to be an equally strong predictor of butterfly richness in a region where energy alone was thought to be the best predictor of diversity. Although previous studies reveal similar relationships between energy and diversity, they fail to detect the powerful link between richness and habitat heterogeneity. The butterflies of Canada provide a superb baseline for studying the effects of climate on contemporary patterns of species richness and comprise the only complete pollinator taxon for which this sort of analysis is currently possible." en_US
dc.subject butterflies en_US
dc.subject climate change en_US
dc.subject landscape change en_US
dc.title Butterfly Species Richness Patterns in Canada: Energy, Heterogeneity, and the Potential Consequences of Climate Change en_US
dc.type Journal Article en_US
dc.type.published published en_US
dc.coverage.region North America en_US
dc.coverage.country Canada en_US
dc.subject.sector General & Multiple Resources en_US
dc.subject.sector Wildlife en_US
dc.identifier.citationjournal Ecology and Society en_US
dc.identifier.citationvolume 5 en_US
dc.identifier.citationnumber 1 en_US
dc.identifier.citationmonth June en_US

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