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Marine Biodiversity of Costa Rica, Central America (Mixed media product, 2009 ed.)
Loot Price: R5,901
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Marine Biodiversity of Costa Rica, Central America (Mixed media product, 2009 ed.)
Series: Monographiae Biologicae, 86
Expected to ship within 12 - 17 working days
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Life began in the sea, and even today most of the deep diversity of
the planet is marine. This is often forgotten, especially in
tropical countries like Costa Rica, renowned for their rain forests
and the multitude of life forms found therein. Thus this book
focusing on marine diversity of Costa Rica is particularly welcome.
How many marine species are there in Costa Rica? The authors report
a total of 6,777 species, or 3. 5% of the world's total. Yet the
vast majority of marine species have yet to be formally described.
Recent estimates of the numbers of species on coral reefs range
from 1-9 million, so that the true number of marine species in
Costa Rica is certainly far higher. In some groups the numbers are
likely to be vastly higher because to date they have been so little
studied. Only one species of nematode is reported, despite the fact
that it has been said that nematodes are the most diverse of all
marine groups. In better studied groups such as mollusks and
crustaceans, reported numbers are in the thousands, but even in
these groups many species remain to be described. Indeed the task
of describing marine species is daunting - if there really are
about 9 million marine species and Costa Rica has 3. 5% of them,
then the total number would be over 300,000. Clearly, so much
remains to be done that new approaches are needed. Genetic methods
have en- mous promise in this regard.
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