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Chief,
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Medical Entomology Survey Officer
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Medical Entomological Surveillance of Enewetak Atoll
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GENERAL:
a.
b.
By the direction of DASG a medical entomological survey was conducted
on selected coral islets of the Enewetak Atoll to determine all real
and potential entomological problems to be encomntered during cleanup
operations.
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Biologically and ecologically the islets are still evetyving-andrepresent
a fragile and unstable biological community. The introduction of
higher animal life forms has been artifici.l. This situation has
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allowed a number of species to inhabit the islets unchecked by natural
predation.
c. A variety of factors have successfully limited the t!c establishment
of various pests.
1)
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Limited accessability of the islets.
2)
High winds.
3)
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Limited land area, breeding sites, appropriate food sources and
harborage.
These factors have, for the most part, restricted the establishment
of medically important arthropoda on the islets.
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METHODOLOGY:
a.
A total of 12 islets were selected for surveillance. Selection was
based on the following criteria:
.
1)
Size.
2)
Vegetation and structural harborage.
3)
Operational aspects related to cleanup mission,
4)
Information provided by Mid Pacific Marine Laboratory
civilians and natives.
S)
Information provided by engineers surveying various islets.
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(MPML)
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