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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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广东珠海双胞旋沟藻cochlodiniumgeminatum赤潮事件分析
Keywords: 双胞旋沟藻,多环旋沟藻,赤潮,珠海,近岸水体
Abstract:
？多环旋沟藻cochlodiniumpolykrikoides赤潮在全球频繁爆发。2006年10—11月间,在广东珠海海域爆发的双胞旋沟藻cochlodiniumgeminatum赤潮则较为少见。双胞旋沟藻赤潮发生于富营养的近岸水体,赤潮发生区内水温变化范围23.41—27.54℃,盐度变化范围15.49—17.92。双胞旋沟藻的细胞密度随温度和盐度的升高而显著升高,最高细胞密度达1.6×106个.l-1。在赤潮发生后期,海区水温下降及群落中红色中缢虫mesodiniumrubrum数量的上升,可能是导致双胞旋沟藻赤潮衰亡的重要原因。
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