Locality:
Bikini Atoll, Enyu
Date:
Saturday.
Island.--- ~
personnel:
Sept. 15,
Weather:
Same 14.
Hot.
Water conditions:
Radiation level(s) :
1964,
Flat calm.
McClin--Maximum average radiation level was
0.03 mr/hr at ground level for total 8-y radiation.
Beautiful sunrise with Bikini Atoll on the port side.
cial arrival at Bikini 07.42,
15 Aug.
1964.
Offi-
Anchored 100 yards
off Enyu Island at 08.01.
Brief staff meeting and then on shore for collecting--every.
'
thing came back on board,
including glass balls.
Fish collection was made on the
dle of the island.
lagoon side about the mid-
Two sacks of fish were picked up.
A number
of species that live in the surf were obtained.
Lewis:
plankton sampling.
Two exploratory 15 minute tows,
one near the surface and one at 25 meters depth, were made a
few miles west of Enyu Island,
just inside the entrace sill.
Indication is that surface tows will yield sufficient amounts of
lagoon plankton for analysis.
Bonham--invertebrates on the lagoon side were mostly Grapsus
(3 collected) and hermit crabs.
On the ocean side reef Holothuria
atra were abundant, about 1 every 5 sq.
feet over most of the
1/5 to 4/5 of the way to the outer edge.
Over appreciable portions
of this area there were 1 or more per sq.
ft.
was more than 1/10 this abundant,
H.
leucospilota
and Actinopyga mauritiana were