Document Detail


Prey-predator system with parental care for predators.
MedLine Citation:
PMID:  16414079     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
A stage structure is incorporated into a prey-predator model in which predators are split into immature predators and mature predators. It is assumed that immature predators are raised by their parents in the sense that they cannot catch the prey and their foods are provided by parents. Further, it is assumed that the maturation rate of immature predators is a function of the food availability for one immature individual. It is found that the model admits periodic solutions which are produced from the stage structure. Further, it is shown that two stability switches of positive equilibria may occur due to the transition rate incorporating the influence of nutrient, and that the enrichment of adult predators may lead to the catastrophe of the ecological system.
Authors:
Wendi Wang; Yasuhiro Takeuchi; Yasuhisa Saito; Shinji Nakaoka
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2006-01-18
Journal Detail:
Title:  Journal of theoretical biology     Volume:  241     ISSN:  0022-5193     ISO Abbreviation:  J. Theor. Biol.     Publication Date:  2006 Aug 
Date Detail:
Created Date:  2006-07-19     Completed Date:  2007-05-21     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0376342     Medline TA:  J Theor Biol     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  451-8     Citation Subset:  IM    
Affiliation:
Department of Mathematics, Southwest Normal University, Chongqing 400715, PR China.
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MeSH Terms
Descriptor/Qualifier:
Animals
Eating / physiology
Growth
Models, Biological*
Parenting*
Population Density
Population Dynamics
Predatory Behavior / physiology*

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