Effects of heterogeneity on spread and persistence in rivers.

@article{Lutscher2006EffectsOH,
  title={Effects of heterogeneity on spread and persistence in rivers.},
  author={Frithjof Lutscher and Mark A. Lewis and Edward McCauley},
  journal={Bulletin of mathematical biology},
  year={2006},
  volume={68 8},
  pages={2129-60}
}
The question how aquatic populations persist in rivers when individuals are constantly lost due to downstream drift has been termed the "drift paradox." Recent modeling approaches have revealed diffusion-mediated persistence as a solution. We study logistically growing populations with and without a benthic stage and consider spatially varying growth rates. We use idealized hydrodynamic equations to link river cross-sectional area to flow speed and assume heterogeneity in the form of… CONTINUE READING

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