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.
These acoustic methods may be put into effect in the next fifteen years.
( z1 possible :ARG1 ( z2 effect :ARG1 ( z3 method :mod ( z4 acoustics ) :mod ( z5 this ) ) :time ( z6 after :op ( z7 now ) :quant ( z8 temporal-quantity :quant 15 :unit ( z9 year ) ) ) ) )