WILDLIFE conservationists use the crite -
rion of species diversity to identify areas
that must be protected. Ecologists and
zoologists from the Universidade
Federal de Gois, Brazil, proposed a new
model that included the economic cost
of acquiring land as an important criterion.
This matters as limited funds are
available for conservation projects.
The model identified 41 ecoregions
which are the most suited for conservation.
The species in these regions live
under a high risk of extinction. At the
same time these lands can be acquired at
a cheap cost. These regions are concentrated
in Africa, South America and
South Asia. The analysis was reported in
the August issue of PLoS One.
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