Rohasliney, Hashim
(2010)
World Academy of Science, Engineering and Technology.
Other.
Pusat Pengajian Sains Perubatan.
(Submitted)
Abstract
Abstract-A phenomenological model for spedcs spreading which
incorporates the Allee effect, a species' maximum attainable growth
rate, co!lective dispersal rate and dispersal adaptability is presented.
This builds on a well-established reaction-diffusion model for spatial
spreading of invading organisms. The model is phrased in tenns
of the "hostility" (which quantifies the Allee threshold in relation
to environmental sustainability) and dispersal adaptability (wbich
measures how a spe<:ies is able to adapt its migratory response to
environmental conditions). The species' invadingln:tteating speed and
the shatpness of the invading boundary are explicitly characterised
in terms of the fundamental parameters, and analysed in detail.
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