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Abstract Detail


Ecological Section

Marsico, Travis [1], Hellmann, Jessica J. [2].

Understanding Factors Limiting Speciesí Ranges to Predict Range Shifts Under Climate Change.

Global climate change will affect the persistence and distributions of species. Understanding limitations to current speciesí range boundaries and predicting the potential for adaptive range shifts is crucial for determining speciesí responses to rapid anthropogenic warming and informing biodiversity management practices. Because species will likely respond differentially to climate change, an understanding of the importance of species traits such as abundance is required to generalize results. To address these concerns, we study three Lomatium species at their northern range limit on Vancouver Island, British Columbia, Canada. The three study species differ in abundance from rare to common but share many life history characteristics. Seeds of each study species were planted in sites both within and just beyond the current northern range limit. We then investigate differences in potential limiting factors of herbivory, competition, and site level factors related to climate. If plants perform as well or better in the sites outside the current species range, we can indirectly infer dispersal limitation. Limitations to seedling establishment beyond species range boundaries will be used to predict how species will respond to climate change.


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1 - University of Notre Dame, Department of Biological Sciences, Galvin Life Sciences 107, Notre Dame, Indiana, 46556, USA
2 - University of Notre Dame, Department of Biological Sciences, Galvin Life Sciences, Notre Dame, Indiana, 46556, USA

Keywords:
Lomatium
climate change
range limits.

Presentation Type: Oral Paper:Papers for Sections
Session: CP17
Location: Lake Ontario/Hilton
Date: Monday, July 9th, 2007
Time: 1:15 PM
Number: CP17002
Abstract ID:2018


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