Variations in the Fishing and Sea Conditions of Northwestern East China Sea in Autumn 1983

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Some unusual features have been analysed in this paper on the sea conditions ofnorthwestern East China Sea and the fisheries of Mackerel, Round Scad, Sardines off Zhejiangin the autumn of 1983, based on the data of the past years. The findings are as follows: 1. The low-salinity water area formed by the Changjiang River runoff emptying intothe sea expanded by three times as campared with that of 1978 (a poor runoff year). The Some unusual features have been analyzed in this paper on the sea conditions of Northwestern East China Sea and the fisheries of Mackerel, Round Scad, Sardines off Zhejiang in the autumn of 1983, based on the data of the past years. The low-salinity water area formed by the Changjiang River runoff emptying intothe sea expanded by three times as campared with that of 1978 (a poor runoff year). The
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