Spatial Pattern Formation in an Insect Host-Parasitoid System-Reference-Cited by-同舟云学术

Spatial Pattern Formation in an Insect Host-Parasitoid System

Published:1997-11-28 Issue:5343 Volume:278 Page:1619-1621
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Maron John L.¹²,Harrison Susan¹²

Affiliation:

1. J. L. Maron, Department of Botany, Box 355325, University of Washington, Seattle, WA 98195, USA.

2. S. Harrison, Division of Environmental Studies, University of California at Davis, Davis, CA 95616, USA.

Abstract

Spatial models in ecology predict that populations may form patchy distributions within continuous habitats, through strong predator-prey or host-parasitoid interactions combined with limited dispersal. Empirical support of these models is provided. Parasitoids emanating from a population outbreak of tussock moths ( Orgyia vetusta ) suppressed the growth of nearby experimental populations of the moth, while experimental populations farther away were able to grow. This result explains the observed localized nature of tussock moth outbreaks and illustrates how population distributions can be regulated by dynamic spatial processes.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference27 articles.

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5. ; H. C. J. Godfray and M. P. Hassell ibid. p. 660.

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