期刊名称：International Journal of Mathematics and Mathematical Sciences
印刷版ISSN：0161-1712
电子版ISSN：1687-0425
出版年度：2003
卷号：2003
DOI：10.1155/S0161171203207274
出版社：Hindawi Publishing Corporation
摘要：An ecological model for prey-predator planktonic species has been
considered, in which the growth of prey has been assumed to follow
a Holling type II function. The model consists of two
reaction-diffusion equations and we extend it to time-varying
diffusivity for plankton population. A comparative study of local
stability in case of constant diffusivity and time varying
diffusivity has been performed. It has been found that the
system would be more stable with time varying diffusivity
depending upon the values of system parameter.
