A discrete predator-prey system with age-structure for predator and natural barriers for prey
Tang, Sanyi ; Chen, Lansun
ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique, Tome 35 (2001), p. 675-690 / Harvested from Numdam
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We analyze a two species discrete predator-prey model in which the prey disperses between two patches of a heterogeneous environment with barriers and the mature predator disperses between the patches with no barrier. By using the discrete dynamical system generated by a monotone, concave maps for subcommunity of prey, we obtain the subcommunity of prey exists an equilibrium which attracts all positive solutions, and using the stability trichotomy results on the monotone and continuous operator, we obtain some sufficient conditions for the permanence of species. These results are applied to the models with rational growth functions and exponential growth functions. We also present numerical examples to illustrate the dynamic complexity of systems.

Publié le : 2001-01-01
Classification:  34C35,  39A10 
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     author = {Tang, Sanyi and Chen, Lansun},
     title = {A discrete predator-prey system with age-structure for predator and natural barriers for prey},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis - Mod\'elisation Math\'ematique et Analyse Num\'erique},
     volume = {35},
     year = {2001},
     pages = {675-690},
     mrnumber = {1862874},
     zbl = {0993.39009},
     language = {en},
     url = {http://dml.mathdoc.fr/item/M2AN_2001__35_4_675_0}
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Tang, Sanyi; Chen, Lansun. A discrete predator-prey system with age-structure for predator and natural barriers for prey. ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique, Tome 35 (2001) pp. 675-690. http://gdmltest.u-ga.fr/item/M2AN_2001__35_4_675_0/

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