Journal ArticleDOI
Interspecific competition, predation and species diversity.
J.D. Parrish,S.B. Saila +1 more
Reads0
Chats0
TLDR
Model results indicated that the equilibrium assumptions postulated in previous models may be unrealistic, and that local species diversity may indeed increase with predation under some competitive conditions.About:
This article is published in Journal of Theoretical Biology.The article was published on 1970-05-01. It has received 87 citations till now. The article focuses on the topics: Interspecific competition & Storage effect.read more
Citations
More filters
Journal ArticleDOI
Predator-mediated coexistence: a nonequilibrium model
TL;DR: A model is presented which uses predation to generate long-term, but nonequilibrial, coexistence among competitors under the impact of predation, and predicts the possibility of predator-mediated coexistence, which agrees with the numerous observations of that phenomenon.
Journal ArticleDOI
Effects of fragmentation and invasion on native ant communities in coastal southern california
TL;DR: The surveys suggest that the Argentine ant is widespread in fragmented coastal scrub habitats in southern California and strongly affects native ant communities.
Journal ArticleDOI
Persistence in models of three interacting predator-prey populations
TL;DR: In this paper, a class of deterministic models of three interacting populations with a view towards determining when all of the populations persist was considered, and it was shown that the addition of a predator can lead to persistence of a three population system where, without a predator, the two competing populations on the lower trophic level would have only one survivor.
Journal ArticleDOI
A Short‐Term Experimental Investigation of Resource Partitioning in a New Zealand Rocky Intertidal Habitat
TL;DR: The effects of single—species removals on community composition and overt appearance were examined in an exposed, rocky, intertidal habitat at Anawhata, New Zealand and suggested that space, as the prime limiting requ...
Journal ArticleDOI
Predation and Prey Community Structure: An Experimental Study of the Effect of Mosquito Larvae on the Protozoan Communities of Pitcher Plants
TL;DR: The results show that there is considerable variability of predator densities in both time and space and that the protozoan community responds to these differences, and the hypothesis that in the presence ofpredation more species will coexist in the prey community than in the absence of predation must be rejected.
References
More filters
Journal ArticleDOI
Food Web Complexity and Species Diversity
TL;DR: It is suggested that local animal species diversity is related to the number of predators in the system and their efficiency in preventing single species from monopolizing some important, limiting, requisite in the marine rocky intertidal.
Journal ArticleDOI
The Paradox of the Plankton
TL;DR: The problem that is presented by the phytoplankton is essentially how it is possible for a number of species to coexist in a relatively isotropic or unstructured environment all competing for the same sorts of materials.
Journal ArticleDOI
Variations and Fluctuations of the Number of Individuals in Animal Species living together
Journal ArticleDOI
Behavior of Mixed Populations and the Problem of Natural Selection
G. F. Gause,A. A. Witt +1 more
TL;DR: The present paper gives an account of the recent theoretical investigations of the problem and summarizes the whole theory of growth of mixed populations, pointing out those conclusions that have already been confirmed by experimental investigations of one of the authors.
Journal ArticleDOI
Exploitation in a Type of Predator–Prey Relationship
TL;DR: This type of equation is perhaps a suitable representation of the type of natural situation in which a predator is not wholly dependent on one species of prey for food, and in which factors other than predators may regulate prey abundance.