报告主题：依赖空间的分布和海洋生物入侵的传播速度
报告人：James Andrew Watmough 教授(University of New Brunswick)
报告时间：2016年12月5日（周一）15:00
报告地点：校本部G507
邀请人：娄洁
主办部门：8455新葡萄场网站数学系
报告摘要： We propose a structured integro-difference equation model for an invasive marine species with a pelagic larval stage and examine the role of dispersal heterogeniety on the spreading speed. The spread of the green crab northward along the northwest coast of the Atlantic is used as a case study. We find that the relationship between spreading speed and demographic and dispersal parameters is similar to the relationship found in Fisher's equation. We also find that temporal variation in dispersal results in a faster spread rate than predicted by a time-averaged dispersal kernel. This is joint work with Lin Wang, Myriam Barbeau and Ali Gharouni.
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