Title :
Noise Effect Analysis on a Spatial Ecosystem
Author :
Cui, Jianming ; Rao, Feng ; Zhang, Xiaojun ; Lai, Zongsheng
Author_Institution :
IMCS, East China Normal Univ., Shanghai, China
Abstract :
In this paper, we present a spatial version of the Holling-type II predation-diffusion model which contains some important factors, constant harvest rate on prey, noise on predator. From the numerical results, we know that noise can induce instability and enhance the oscillation of the species density. Our results show that the noise and harvest play a prominent role in the predation-diffusion model.
Keywords :
noise; predator-prey systems; Holling-type II predation-diffusion model; constant harvest rate; noise effect analysis; spatial ecosystem; Acoustic noise; Aquaculture; Biological system modeling; Biomass; Ecosystems; Electronic mail; Fluctuations; Human resource management; Predator prey systems; Stochastic resonance;
Conference_Titel :
Natural Computation, 2009. ICNC '09. Fifth International Conference on
Conference_Location :
Tianjin
Print_ISBN :
978-0-7695-3736-8
DOI :
10.1109/ICNC.2009.567
