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As a
result of the isolation from larger continents the biodiversity of
the Samoan rainforest is not comparable with that of i.e. Southeast
Asia but, of the same reason, it shows a high level of endemism; 30%
of the native plant species in Samoa are endemic. Endemic species
are unique species not found anywhere else in the world. The rainforest ecosystem
in Samoa is not only unique but also extremely vulnerable; extinction
of one single species may cause cascades of linked extinctions. About
90% of the 217 bird species gone extinct during the last 400 years lived
on oceanic islands. The only native mammal the Samoan flying fox,
endemic to the Samoan islands, is an important pollinator for several
tree species.
Vast
areas of the interior of the Samoan islands are still covered with
primary rainforest whereas most of the lowland rainforest on both
Savai'i and Upolu has been logged and converted into plantations and
fallow land. The
ecosystem of the lowland rainforest generally shows a higher biodiversity and
has a different composition of species than that on higher altitudes. Also natural episodes such as the tropical cyclones that
struck the islands 1990 and 1991 have been devastating for the
rainforests. However, there are still fragments of lowland
rainforest in Samoa, some of it protected with forest
preserves.
With
an increased ecological awareness and hopefully a decreasing demand
for land to be developed, there is chance to save the remaining
lowland rainforests in Samoa. We only need a new generation of
politicians with increased awareness for environment protection.
Besides the uniqueness and the
intrinsic value, the Samoan rainforest is important for several
other reasons, i.e. erosion control and fresh water supply. Water
catchments and coral reefs are very vulnerable to nutrient runoff
and siltation.
We
recommend a visit to the Tafua Rainforest Reserve on Savai'i. For
more information contact Safua Hotel safuahotel@lesamoa.net Phone:
(685)-51271, Fax: (685)-51272
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