Article

Parsing propagule pressure: Number, not size, of introductions drives colonization success in a novel environment.

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https://scholar.colorado.edu/concern/articles/3b5919202
Abstract
  • Predicting whether individuals will colonize a novel habitat is of fundamental ecological interest and is crucial to conservation efforts. A consistently supported predictor of colonization success is the number of individuals introduced, also called propagule pressure. Propagule pressure increases with the number of introductions and the number of individuals per introduction (the size of the introduction), but it is unresolved which process is a stronger driver of colonization success. Furthermore, their relative importance may depend upon the environment, with multiple introductions potentially enhancing colonization of fluctuating environments. To evaluate the relative importance of the number and size of introductions and its dependence upon environmental variability, we paired demographic simulations with a microcosm experiment. Using
Creator
Date Issued
  • 2018-08-01
Academic Affiliation
Journal Title
Journal Issue/Number
  • 16
Journal Volume
  • 8
File Extent
  • 8043-8054
Última modificación
  • 2019-12-05
Identifier
  • PubMed ID: 30250683
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Declaración de derechos
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DOI
ISSN
  • 2045-7758
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