...source of protein. From 1950 to 1968 the world fish catch reached a new record each year, tripling from 21 million to 63 million tons. The average annual...A large number of the 30 or so leading species of commercial-grade fish currently may be over-fished, that is, stocks will not sustain even the current...

...from 21 million to 63 million tons. The average annual increase in the catch of nearly 5 per cent — which far exceeded the annual rate of world population...A large number of the 30 or so leading species of commercial-grade fish currently may be over-fished, that is, stocks will not sustain even the current...

...fluctuating rather unpredictably, while the amount of time and money expended to bring in the catch continues to rise every year. Many marine biologists now feel...A large number of the 30 or so leading species of commercial-grade fish may currently be overfished — that is, stocks will not sustain even the current...

...interrupted by a sudden decline. The catch has since been fluctuating rather unpredicably, while the amounts of time and money expended to bring it in continue...fish is at or near the maximum sustainable level. If, as currently seems probable, the global fish catch does not continue rising in the next decades...

...— which far exceeded the annual rate of world population growth — greatly increased the averaged supply of marine protein per person. In 1969, the...A large number of the 30 or so leading species of commercial-grade fish currently may be over-fished, that is, stocks will not sustain even the current...

...cent— which far exceeded the annual rate of world population growth — greatly increased the averaged supply of marine protein per person. In 1969, the...A large number of the 30 or so leading species of commercial-grade fish currently may be over-fished, that is, stocks will not sustain even the current...

...interrupted by a sudden decline. The catch has since been fluctuating rather unpredicably, while the amounts of time and money expended to bring it in continue...fish is at or near the maximum sustainable level. If, as currently seems probable, the global fish catch does not continue rising in the next decades...

...interrupted by a sudden decline. The catch has since been fluctuating rather unpredicably, while the amounts of time and money expended to bring it in continue...fish is at or near the maximum sustainable level. If. as currently seems probable, the global fish catch does not continue rising in the next decades...

...flsh catch has declined for three consecutive years, clouding future prospects for oceanic fisheries. Many marine biologists now feel that the global catch...fish Is at or near the maximum sustainable level. TABLE 1.— WORLD FISH CATCH (TOTAL AND PER CAPITA) Source: 1950-71 data from Food and Agriculture...

...catch has again declined for three consecutive years, clouding future prospects for oceanic fisheries. Many marine biologists now feel that the global catch...fish is at or near the maximum sustainable level. The catch of a large number of the thirty-odd leading commercial species of table-grade fish now exceeds...