Succession in a three-species food-chain model

In this study we consider a succession process of three-species food-chain model in a closed biocenosis in the sense of available resources. Under this assumption it is shown that the dynamics results in the stable composition of abiotic and biotic components of the food chain with increase in resou...

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Bibliographic Details
Published in:Ecological modelling 1997-03, Vol.96 (1), p.211-219
Main Authors: Kesh, Dipak, Sarkar, A.K., Roy, A.B.
Format: Article
Language:English
Subjects:
Biocenosis
Biogenic element
BIOTOPE
BIOTOPES
BIOTOPOS
CADENA ALIMENTARIA
CHAINE ALIMENTAIRE
climacteric biocenosis
ECOLOGICAL SUCCESSION
EUTROFIZACION
EUTROPHICATION
EUTROPHISATION
FOOD CHAINS
Irreversible process
MODELE
MODELOS
PREDATOR PREY RELATIONS
RELACIONES PREDATOR PRESA
RELATION PREDATEUR PROIE
Succession
SUCCESSION ECOLOGIQUE
SUCESION ECOLOGICA
Uniform persistence
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Summary:In this study we consider a succession process of three-species food-chain model in a closed biocenosis in the sense of available resources. Under this assumption it is shown that the dynamics results in the stable composition of abiotic and biotic components of the food chain with increase in resources. Here the uptake rate of limiting biogenic elements by the prey to be of Lotka-Volterra type and uptake function of predators to be in the general form. The qualitative character of the gradual changes in climacteric composition is determined from relationships among ecological parameters.
ISSN:0304-3800
1872-7026
DOI:10.1016/S0304-3800(96)00068-3