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‘March 1977

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Chief, Enewetak Planning Group

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Medical Entomology Survey Officer

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Medical Entomological Surveillance of Enewetek Atoll

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GENERAL:
a.

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bora

So

1.

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on

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 encountered during cleanup

bomen

Biologically and ecologically the islets are still exebvinp-and: represent

PRant

operations.

b.

a fragile and unstable biological community.

higher animal life forms has been artificisl.

The introduction of
This situation has

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)
2)
3)
d.

-

2.

.

inet

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.

Limited accessability of the islets.
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High winds.

F
C

Limited land area, breeding sites, appropriate food sources and
harborage.

.
hanasu

These factors have, for the most part, restricted the establishment

Of medically important arthropoda on the islets.

i

*

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)
S)

Information provided by Mid Pacific Marine Laboratory
Civilians and natives.

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hens
(MPML)

Information provided by engineers surveying various islets.

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Select target paragraph3