These acoustic methods are now expected to be useful for the long-range remote sensing of schools of fish as well as for distant ocean bottom characterizations.
Accoustic methods can sense wreckage on the sea floor.
( z1 possible :ARG1 ( z2 sense :ARG0 ( z3 method :mod ( z4 acoustics ) ) :ARG1 ( z5 wreckage :location ( z6 floor :mod ( z7 sea ) ) ) ) )