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首页> 外文期刊>Journal of hydro-environment research >Spatial and temporal variations in algal blooms in the coastal waters of the western South China Sea
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Spatial and temporal variations in algal blooms in the coastal waters of the western South China Sea

机译:南海西部沿海海域藻华的时空变化

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摘要

Algal blooms occur frequently in the coastal waters of the western South China Sea (SCS). This paper reports spatial and temporal variations of algal bloom events in these waters from 1993 to 2007. Twenty-five algal bloom events occurred in summer in the coastal waters of South and Central Vietnam where they were associated with wind-induced, coastal, nutrient upwelling and river discharges; a further eight events occurred in the coastal waters of North Vietnam. A greater number of algal bloom events were observed in 1999 and 2002, and were accompanied by several previously unobserved species for the study period. These events may be related to the El Nino events of 1998 and 2002. Furthermore, the bloom-causative species Trichodesmium erythraeum (Cyanophyta) entirely dominated the phytoplankton community of algal blooms during 1993-1999 whereas the species Phaeocystis globosa (Haptophyta) dominated blooms after 2002. This study establishes a basis for further long-term research of algal bloom event variations, and provides a compiled scientific reference that may be used for later prediction of Harmful algal blooms (HABs).
机译:在南海西部的沿海水域中经常发生藻华。本文报告了1993年至2007年期间这些水域藻华事件的时空变化。夏季,越南南部和中部沿海水域发生了25次藻华事件,这些事件与风引起的沿海养分上升有关和河水排放;越南北部沿海水域又发生了八起事件。在研究期中,1999年和2002年观察到了更多的藻华事件,并伴有一些以前未观察到的物种。这些事件可能与1998年和2002年的厄尔尼诺事件有关。此外,在1993-1999年期间,引起花粉红色的种Trichodesmium erythraeum(Cyanophyta)完全控制了藻类浮游植物的浮游植物群落,而在之后的Phaeocystis globosa(Haptophyta)则主导了花蕾。 2002年。这项研究为进一步的藻华事件变化长期研究奠定了基础,并提供了汇编的科学参考资料,可用于以后的有害藻华(HABs)预测。

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