Addendum
A NOTE ON THE VEGETATION
OF THE NORTHERNISLETS OF RONGELAP ATOLL, MARSHALL ISLANDS, MARCH 1959
B.S. BLUMBERG* AND R.A. CONARD
and to re-examine the vegetation. A helicopter
was available for transportation, which permitted
general and detailed air examination as well as
two short ground surveys. The northernislets were
estimated to have received a radiation dose of
= 3000 r. Theislets of Naen and Gegen were examined in greatest detail. The moststriking feature observed from the air was the generally gray
color of much of the vegetation, in contrastto its
this atoll in 1954, During the medical surveyof
the Rongelap people’ carried out in March 1959,
an opportunity arose to visit some oftheseislets
*Nationai Institutes of Health, Bethesda, Maryland.
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Fosberg'’ reported changesin the vegetation of
the northernislets of Rongelap Atoll (observed in
1956) which he inferred might have been associated with the radioactive fallout that occurred on
Arm
11° 10°. : N
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RONGELAP I.
Figure A-1. Map of Rongelap Atoll showing position of majorislets.
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