Dispersal patterns, dispersal mechanisms, and invasion wave speeds for invasive thistles.

  title={Dispersal patterns, dispersal mechanisms, and invasion wave speeds for invasive thistles.},
  author={Olav Skarpaas and Katriona Shea},
  journal={The American naturalist},
  volume={170 3},
Understanding and predicting population spread rates is an important problem in basic and applied ecology. In this article, we link estimates of invasion wave speeds to species traits and environmental conditions. We present detailed field studies of wind dispersal and compare nonparametric (i.e., data-based) and mechanistic (fluid dynamics model-based) dispersal kernel and spread rate estimates for two important invasive weeds, Carduus nutans and Carduus acanthoides. A high-effort trapping… CONTINUE READING


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