Parrotfish Scarus sordidus are common reef-dwelling, grazing omnivores feeding
on live coral heads and occasional algae.
Parrotfish are in the fourth trophic
level.
Four species of clams, Tridacna gigas, Tridacna squamosa, Tridacna crocea,
and Hippopus hippopus were collected.
These
large
invertebrates
are
sessile,
filter-feeding mollusks that live on the lagoon bottom and coral reefs.
Larger benthic,
midwater,
collected from the lagoons.
the
third
trophic
level
and
surface
carnivores were
also
occasionally
Grouper Epinephelus sp. are benthic carnivores of
that
feed
on
small
fish
and
invertebrates.-
Jacks
Caranx melampygus and Elegatis bipinnulatus (rainbow runner) are fast-swimming
carnivores
that
feed
on
small
fish
and
occasionally eat swimming crustacea.
and Lutjanus bohar
(red
snapper)
level.
nuda
2
Tuna
and
Euthynnus
mackerel
carnivores
oe
affinis
small
fish
bipinnulatus
may
(grey snapper)
are hovering midwater-to-surface carnivores.
(pigfish)
is
a bottom dweller
feeding
Jacks and snappers are in the fourth trophic
.
(bonito),
Grammatorcynus
feeding on
Elegatis
Snappers Aprion virescens
Another snapper Letherinus kallopterus
primarily on benthonic crustacea.
squid.
Thunnus
billineatus
and
any
other
albacares,
are
large,
prey
of
and
Gymnosarda
rapid-swimming
proper
size.
They
represent species of the fifth trophic level.
SAMPLE LOG
All marine samples except water and all terrestrial vegetation and animal
samples
were
samples
were
double
double
bagged
bagged
in
plastic,
and
sent
carefully labeled as to location and
frozen,
unfrozen
and
to
returned
LLNL.
time of collection.
to
All
LLNL.
Soil
samples
were
Detailed
log books
were completed at the end of each day of sampling so that precise records were
available indicating the type of sample,
location from which it was collected,
date, and other pertinent information.
SAMPLE PROCESSING PROCEDURES
TERRESTRIAL SAMPLES
Soil Samples
Soil samples were the largest category of all the samples collected.
soil-processing
laboratories were carefully surveyed
9
for
possible
The
radioactive