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.
Long range acoustic methods are preferred for combing the sea floor.
( z1 prefer :ARG1 ( z2 method :mod ( z3 acoustics ) :mod ( z4 range :ARG1-of ( z5 long ) ) ) :ARG2 ( z6 comb :ARG1 ( z7 floor :mod ( z8 sea ) ) ) )