Establishing a beachhead: A stochastic population model with an Allee effect applied to species invasion
Theoretical Population Biology
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Abstract
We formulated a spatially explicit stochastic population model with an Allee effect in order to explore how invasive species may become established. In our model, we varied the degree of migration between local populations and used an Allee effect with variable birth and death rates. Because of the stochastic component, population sizes below the Allee effect threshold may still have a positive probability for successful invasion. The larger the network of populations, the greater the probability of an invasion occurring when initial population sizes are close to or above the Allee threshold. Furthermore, if migration rates are low, one or more than one patch may be successfully invaded, while if migration rates are high all patches are invaded. ?? 2007 Elsevier Inc. All rights reserved.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Establishing a beachhead: A stochastic population model with an Allee effect applied to species invasion |
| Series title | Theoretical Population Biology |
| DOI | 10.1016/j.tpb.2006.12.006 |
| Volume | 71 |
| Issue | 3 |
| Year Published | 2007 |
| Language | English |
| Publisher | Elsevier |
| Contributing office(s) | National Wetlands Research Center, Wetland and Aquatic Research Center |
| Description | 11 p. |
| First page | 290 |
| Last page | 300 |
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