SUMMARY OF ACTIVITIFS
of the
RONGELAP FIELD TRI®
of
August 1953
The second field for the Kongelap ecology -crogram was
from 13 to 24 August end on 2 September 1958.
The field
party was mude un of five senior scientiste from the Leboratory of Rediation Etology, School of Forestry, Devartment of Botany and Zcclogy, University of Weshington end six
creduate students (five University of Washington and one Ohio
ftete University).
The ecological studies included:
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soifl tynes and charectertatics
ground vater
percolation (by use of lysimeters)
nutrient content and deficiencies of soils and ‘lants (by
lysis end fertilization)
taxonony and cistrtbution of algae
collection of fish and observation of hébits in various
Qj
)
)
collection of corals for taxcnomic studies
Jimeted collections of native rsts
ll)
observations end collections of birds
edlection and observation of hebits of some invertebrates
limited collections of plankton and bottom samples from
12)
A weether station wee eatsblished nesr the village on
the lésoon
Ronge lap islend.
In sddition food ftems were collected and bacxground radia-
tion levels 4etermined with survey-type inetrusents.
<4 dsily
raticn of food crown &t Fengelsp was obtained frmm each of fourteen edults.
Background rediation levels at Fongelar étoll in
Merch snd August 1955 in mr/hr vere:
Rongeles Island
3.029 -- 0,953
Tntiszetok Tglend
Kehelle Island
1,067 -- J.07€
9.14 -- 0.16
The vresenceW135 in plant leaf and slankton samples indicates
same contamtne tion Prom the recent teat serirs.