Presentation Details
| Range Wide Effects of Climate Variation on Salamander Migration Timing Shayna Earl, Alycia Lackey. University of Louisville, Louisville, KY, USA |
Abstract
A population’s ability to respond to climate change depends on the tolerable range of environmental conditions, which is shaped by physiology and local adaptation. Certain behaviors, such as migration, rely on climatic cues, with changes in these cues leading to major consequences. Disrupted migration timing can destabilize populations, especially for those that migrate to breed. Yet, little research sufficiently explores the connection between climate change and migration over space and time. To predict responses to present and future climate variation across their entire range, we must employ methods that provide fine-scaled information across large geographic areas. Our research combines climate data with long-term spotted salamander migration datasets to assess range-wide responses to climate change. We then use climate projections to create projections for future migration timing across their range. Our results demonstrate that salamanders across the range vary in their responses to climate change. We demonstrate the importance in evaluating population-level effects of climate driven phenology when considering the health and conservation of species over a wide geographic area.
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No part of this publication may be reproduced, distributed, or transmitted in any form or by any means, including photocopying, recording, or other electronic or mechanical methods, without the prior written permission of the author.
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