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.
"School" is what is referred to in this article as a group of fish
( z1 refer :ARG0 ( z2 article :mod ( z3 this ) ) :ARG1 ( z4 school ) :ARG2 ( z5 group :ARG1 ( z6 fish ) ) )