北麂山列岛海域赤潮的初步研究

来源 :海洋环境科学 | 被引量 : 0次 | 上传用户:qinzhenxing
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本文首次报导了国家海洋自然保护区浙江省南麂山列岛及其邻近北麂山列岛海域(121°11’55“E.27°36’54”N)1991年6月间发生的赤潮。该赤潮发生在高温(25.38℃)低盐(28.79)海域;赤潮生物是海洋原甲藻(Prorocentrum micans Ehrenb.),主要聚集在上、表层,最大密度达7.61×109个/m3,占浮游植物细胞总密度的94.56%;辛普森生物多样性指数为0.046;未发现有发光,死鱼等现象。建议在北麂山列岛设立季节性监测站,对南、北麂山列岛海域赤潮进行监测、分析.以利于进一步保护、开发、利用这一片国家海洋自然保护区。 This paper reports for the first time the red tide occurring between June 1991 in Nanyishan Islands of Zhejiang Province and the waters adjacent to the North Mountain of Mjukashan (121 ° 11’55 “E.27 ° 36’54” "N) in the National Marine Nature Reserve. . The red tide occurred in seawater with high salt content (25.38 ℃) and low salt (28.79). The red tide organisms were Prorocentrum micans Ehrenb. They mainly concentrated on the upper and the surface layers with a maximum density of 7.61 × 109 cells / 94.56% of the total cell density; Simpson’s biodiversity index was 0.046; No luminescence, dead fish and other phenomena were found. It is suggested that a seasonal monitoring station should be set up in BeiJingShan archipelago to monitor and analyze the red tides in the waters of the South and North Miju Islands in order to further protect, develop and utilize this national marine nature reserve.
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