Qualitative Distribution of Radionuclides
ontamination by fallout from a thermoences beOe ee erice indicates distinct differ
The
.
en the terrestrial and marine environments
trations
@vels of radioactivity are low, the concen
traing less (hao the maximum permissible concen
water of
on for radionuclides in food or drinking
concenOf the wide spectrum of radionuclides
5.
ted in the surface layers of the soil, stron
:
dus-90, antimony-i25, and cesium-137 are the prin-
4pal nuclides entering into the soil solution.plantprincipai nuclides in the land plants and
he
the
Seating animals such as coconut crabs and
a lesser
digenous rats are cesium-137 and,
to
Bottom sediments contain
gree, strontium-90.
Meiniy strontium-90 and europium-155. The radio-
Suclides in the lagoon water have not been detected
Wut are probably present in minute amounts.
Plank-
@onic organisms contain traces of manganese-54,
Bopalt-57,60, zinc-65, zirconium-95, ruthenium-106
‘kad cerium-144.
The principal nuclide found in the
In the marine inverteBerine algae is cerium-144.
Brates cobalt-60 and zinc-65 occur most commonly.
Borals and coralline algae contain some strontium-
#0, while the fish and sea birds are found to con-
Page 169
Use
Cole, D.W., S.P. Gessel, and E.E. Held,
1961].
of the tension lysimeter in coral atoll and
glacial till soils.
Dunning, G.M. (ed.).
Soil Sei. 25: 321-325.
1957.
Radioactive contamination
of certain areas in the Pacific Ocean from nuclear
tests,
U. 8. Atomic Energy Commission, U. 8S.
Gevernment Printing Office, Washington, D.C.
60
PP.
Fosberg, F.R.
1959.
Long-term effects of radicactive
fallout on plants.
Atoll Research Bulletin No.
61,
National Academy of Sciences-National Research Council, Washington, D.C.
11 pp.
~~-.
1959.
1448.
Plants and fallout.
Nature 183(4673):
Held, E.E.
1960.
Land crabs and fission products at
Eniwetok Atoll.
Pacific Sci. 14(1): 18-27.
Miller, C.F., and P. Loeb. 1958.
Ionization rate and
photon pulse rate of fission products from slow
neutron fission of U235.
U. S. Naval Radiological
Defense Laboratory, San Francisco,
USNEDL-TR-247.
91 pp.
report
fesium-137, and strontium-90 in the body of the na-
Robinson, M.K.
1954.
Sea temperature in the Marshall
islands area.
U. 8. Geological Survey professional paper 260-D.
pp. 281-291
+
Stone, W.S., M.R. Wheeler, W.P. Spencer, F.D. Wilson,
J.T. Nevenschwander, T.G. Gregg, R.L. Seecof, and
C.L. Ward, 1957.
Genetic studies of irradiated
‘Bain mostly zinc-65.
The presence of zinc~-65,
‘ives reflects a diet of both marine and terresrial origin.
ACKNOWLEDGMENTS
natural populations of Drosophila.
This work was performed under contract number
\T(45-1)540 between the U. 8S. Atomic Energy Comhission and the University of Washington.
S.H., J.S. Robertson, and R.A. Conard.
1960.
Radioisotopes and environmental circumstances:
The internal radioactive contamination of a
Pacific ialand community exposed to local fallout.
|
In R.S. Caidecott and L.A. Snyder (eds.}, Radioisotopes in the Biosphere, Univ. of Minnesota
Printing Dept.,
Minneapolis. pp.
5721.
pp
60-316.
In Studies in~
niv. of Texas, Publ.
Von Arx, W.S.
1954.
Circulation systems of Bikini and
Rongelap lagoons.
U. 8. Geological Survey professional paper 260-B.
pp. 265-273.
Walker, R.B., E.E. Held, and S. P. Gessel.
1961.
Radiocesium in plants grown on Rongelap Atoll
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ohn,
the genetics of Drosophila.
306-330.
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Weiss, H.V., and W.L. Shipman.
1957.
Biological concentration by killer clams of cobalt-60 from
radioactive fallout.
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eh
por V