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Effects of contrasting patterns of larval dispersal on the genetic connectedness of local populations of two mtertidai starfish, Patiriella calcar and P. exigua
It appears that these 2 species have vastly different levels of gene flow among local populations, and local populations of P exigua and P calcar may be less genotypically diverse than P: calcar, but should display marked genetic heterogeneity among local population resulting from the accumulating effects of genetic drift and localised natural selection.
Movement of mammals through tunnels under railway lines
Fragmentation of extensive natural ecosystems by roads, railways and other barriers poses major threats to populations of native animals. Attempts have been made to reduce the magnitude of these th...
Is life history a barrier to dispersal? Contrasting patterns of genetic differentiation along an oceanographically complex coast
The results suggest that, although there is large scale genetic differentiation for two species, patterns of population connectivity are remarkably consistent within major regions and do not reflect variation in major oceanographic processes or genetic discontinuity coincident with biogeographic boundaries.
Population structure in the sexually reproducing sea anemone Oulactis muscosa
The genetic structure of each of the nine local populations studied was consistent with recruitment by sexually produced individuals and low levels of genetic differentiation were found between local populations and standardised variance values were similar to those for other species with widespread planktonic dispersal of larvae.
Message from the Acting President
Ecological consultants are often in the enviable position of being paid to botanically explore and seek out threatened plants. Yes, there are attractive jobs in remote or pristine locations where few