Relationship Between Species Traits and Landscape Extent in Ground Beetles (Coleoptera: Carabidae)
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The spatial scale at which landscape structure best predicts an ecological response (the ‘scale of effect’) requires measuring landscape structure at multiple spatial extents. The scale of effect is often determined by a species’ mobility, but reproductive potential may also influence the scale of effect. I tested these hypotheses using body length, relative wing size, and egg count measurements of carabid beetles, proxies for movement, dispersal, and reproductive potential, respectively. I determined the scale of effect for 13 carabid species, and calculated cross-species correlations between the scale of effect and body length, relative wing size, and mean eggs. I found a positive correlation between body length and the scale of effect, and negative correlations between relative wing size and mean egg counts and the scale of effect. Surprisingly, model ranking revealed mean egg counts to be the best predictor of the scale of effect followed by body length.
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Copyright © 2014 the author(s). Theses may be used for non-commercial research, educational, or related academic purposes only. Such uses include personal study, research, scholarship, and teaching. Theses may only be shared by linking to Carleton University Institutional Repository and no part may be used without proper attribution to the author. No part may be used for commercial purposes directly or indirectly via a for-profit platform; no adaptation or derivative works are permitted without consent from the copyright owner.
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- 2014
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kallio-relationshipbetweenspeciestraitsandlandscape.pdf | 2023-05-04 | Public | Download |