Sentences with phrase «overall fishing effort»
«While 40 years ago most fishermen were generalists, and switched between fish stocks as they fluctuated, the efforts to reduce overall fishing effort has generally forced fishermen to specialize in a small number of fisheries, said co-author Ray Hilborn, a UW professor in aquatic and fishery sciences.
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The average catch rate per fishing trip (assuming average fishing effort in terms of nets used and trip length) revealed an overall decline from 6.5 turtles to 2.8 turtles caught, representing a 56 percent decline over two decades.
The aquarium industry is beginning to realize that it must improve the overall effort to ensure the health and survivability of fish in their care.