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Nanako Shigesada
Researcher at Doshisha University
Publications - 53
Citations - 6077
Nanako Shigesada is an academic researcher from Doshisha University. The author has contributed to research in topics: Population & Biological dispersal. The author has an hindex of 29, co-authored 53 publications receiving 5745 citations. Previous affiliations of Nanako Shigesada include Nara Women's University & Kyoto University.
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Diffusive waves, dynamical stabilization and spatio-temporal chaos in a community of three competitive species
TL;DR: In this article, the spatio-temporal dynamics of three competitive species is considered and the community is described by a system of partial differential equations of Lotka-Volterra type.
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Spatial dynamics of invasion in sinusoidally varying environments
TL;DR: A single-species invasion in heterogeneous environments whose habitat parameters vary in a sinusoidal or quasi-sinusoidal manner is considered, and Fisher’s model is modified to make the intrinsic growth rate and diffusion coefficient spatially variable.
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Some exact solutions of a generalized fisher equation related to the problem of biological invasion
TL;DR: An exact solution describing self-similar growth of the initially inhabited domain is obtained and it is shown that this exact solution may be applicable to describe an early stage of a biological invasion preceding the propagation of the stationary travelling wave.
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Spreading speeds of spatially periodic integro-difference models for populations with nonmonotone recruitment functions
TL;DR: An idea used by Thieme is extended to show that a class of integro-difference models for a periodically varying habitat has a spreading speed and a formula for it, even when the recruitment function R(u, x) is not nondecreasing in u, so that overcompensation occurs.
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The effects of interference competition on stability, structure and invasion of a multi-species system
TL;DR: A criterion for invasion of a new species is obtained and it is shown that there are some characteristic quantities which show directional changes as succession proceeds, and survival or extinction of species at a stable equilibrium point can be determined analytically.