P
Peter Chesson
Researcher at University of Arizona
Publications - 130
Citations - 21642
Peter Chesson is an academic researcher from University of Arizona. The author has contributed to research in topics: Population & Storage effect. The author has an hindex of 52, co-authored 128 publications receiving 19634 citations. Previous affiliations of Peter Chesson include National Chung Hsing University & Centre national de la recherche scientifique.
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Mechanisms of Maintenance of Species Diversity
TL;DR: Stabilizing mechanisms are essential for species coexistence and include traditional mechanisms such as resource partitioning and frequency-dependent predation, as well as mechanisms that depend on fluctuations in population densities and environmental factors in space and time.
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Community ecology theory as a framework for biological invasions
Katriona Shea,Peter Chesson +1 more
TL;DR: The concept of "niche opportunity" was introduced by as discussed by the authors, which defines conditions that promote invasions in terms of resources, natural enemies, the physical environment, interactions between these factors, and the manner in which they vary in time and space.
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Environmental Variability Promotes Coexistence in Lottery Competitive Systems
Peter Chesson,Robert R. Warner +1 more
TL;DR: The analysis confirms the view that coexistence can occur in a system where space is allocated largely at random, provided environmental variability is sufficiently great (Sale 1977); but the explanations and predictions differ in detail with those of Sale.
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General Theory of Competitive Coexistence in Spatially-Varying Environments
TL;DR: A general model of competitive and apparent competitive interactions in a spatially-variable environment is developed and analyzed to extend findings on coexistence in a temporally- variable environment to the spatial case and to elucidate new principles.
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The Roles of Harsh and Fluctuating Conditions in the Dynamics of Ecological Communities
Peter Chesson,Nancy J. Huntly +1 more
TL;DR: It is argued that important diversity‐promoting roles for harsh and fluctuating conditions depend on deviations from the assumptions of additive effects and linear dependencies most commonly found in ecological models, and imply strong roles for species interactions in the diversity of a community.