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Position: Home > Articles > EUTROPHICATION ASSESSMENT IN COASTAL WATERS OF ZHOUSHAN Transactions of Oceanology and Limnology 2005 (2) 58-63

舟山近岸海域富营养化评价

作  者:
刘雪芹
单  位:
山东大学威海分校海洋学院
关键词:
舟山近岸海域;富营养化;氮磷比
摘  要:
舟山近岸海域是我国赤潮多发区,尤其是长江口每年常有大小不等的赤潮发生。海水富营养化是引发赤潮的主要因素,过高或过低的氮磷比也可能引发赤潮藻的大量繁殖,产生赤潮。本文利用1996~2000年舟山近岸海域26个站位的海水水质数据来评价该海域的富营养化状况、氮磷比及其变化趋势,结果表明该海域富营养化程度和氮磷比值较高,离岸近和受大陆径流影响大的站位和海区其值更高,氮磷比与赤潮的关系更密切。
译  名:
EUTROPHICATION ASSESSMENT IN COASTAL WATERS OF ZHOUSHAN
作  者:
LIU Xueqin(Marine College Shandong University (Weihai), Weihai, 264209)
关键词:
coastal waters of Zhoushan; eutrophication; N∶P
摘  要:
Red tides often break out in coastal waters of Zhoushan, especially in the Changjiang Estuary Eutrophication and N∶P ratio play a leading role during red tide period. The routine monitoring data during 1996~2000 at 26 sampling sites are used to asses the eutrophication, N∶P ratio and their trends. The results show that the eutrophication is serious and the N∶P ratios are high. The eutrophication status and N∶P ratios at those sampling sites and sea areas which are near to the mainland and are influenced by the rivers more serious. Moreover the N∶P ratio contributes significantly to the red tides.

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