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A Reaction-diffusion-advection Competition Model with Two Free Boundaries in Heterogeneous Time-periodic Environment by Chen, Qiaoling; Li, Fengquan; Wang, Feng is a scholarly article available to read on EtoBox.

What is A Reaction-diffusion-advection Competition Model with Two Free Boundaries in Heterogeneous Time-periodic Environment about?

In this paper, we study the dynamics of a two-species competition model with two different free boundaries in heterogeneous time-periodic environment, where the two species adopt a combination of random movement and advection upward or downward along the resource gradient. We show that the dynamics of this model can be classified into four cases, which forms a spreading-vanishing quartering. The notion of the minimal habitat size for spreading is introduced to determine if species can always spread. Rough estimates of the asymptotic spreading speed of free boundaries and the long time behavior of solutions are also established when spreading occurs. Furthermore, some sufficient conditions for spreading and vanishing are provided.

Author

Chen, Qiaoling; Li, Fengquan; Wang, Feng

Published

2015

Language

EN