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Geographic and Marine Isolation: An Assessment of the Marine Algae of Easter Island

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Title:Geographic and Marine Isolation: An Assessment of the Marine Algae of Easter Island
Authors:Santelices, B.
Abbott, I.A.
Date Issued:1987
Publisher:University of Hawaii Press
Citation:Santelices B, Abbott IA. 1987. Geographic and marine isolation: an assessment of the marine algae of Easter Island. Pac Sci 41: 1-20.
Abstract:The marine flora of Easter Island is one of the least known in the
Pacific. Yet it appears as a most attractive flora because of its geographic
isolation. This study reports the results of an expedition to the island , providing
new records on the marine algal flora, giving the first description of
the intertidal and shallow subtidal vegetation, and allowing for a first marine
phytogeographic characterization of the island. There is a total of 166 taxa from
this relatively small volcanic island to which 66 new records have been added.
The marine algal flora of Easter Island appears rich and diverse as compared
with that of other similar sized islands in the central Pacific and is monotonously
similar in different habitats around the island. It is short and turfy in stature,
composed mainly of species with wide geographic distribution in the tropics with
a general affinity to the western Pacific. The previously reported 24% endemism
of the marine flora is reduced to 14% by the current study, owing to the increased
numbers of non-endemic taxa. In its Indo-Pacific relationship, the flora is similar
in derivation to those invertebrates that have been studied.
Appears in Collections: Pacific Science Volume 41, Numbers 1-4, 1987
Abbott, Isabella A.

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