釜溪河藻类研究及水体污染藻类学评价

Preliminary investigation on Phytoplankton and Assessment of Water Pollution with the Method of Phytoplankton in the Fuqi River

本文报道了1988年8月至1990年5月对釜溪河4个断面调查采集的藻类植物。初步鉴定的藻类植物有176种(含变种),分属于8门,72属。基本弄清了该区段藻类种类组成及数量变化。用污水指示生物,Shannon-weaver指数及Margalef指数评价了水体污染,其结果与理化评价结果基本一致,表明釜溪河除长土断面受到轻污染外,其余断面受到严重污染,发生了不同程度的富营养化。

This paper reports the phytoplankton investigated and collected in four sections in the Fuqi River during the period of August 1988 to May 1990. Of the phytoplankton specimens, 176 species (including varieties) belonging to 72 genera and 8 divisions have been examined initially. The species composition and their quantitative changes of this area have been understood probably. The degree of water pollution is assessed with the methods of the saprobic indictor, the Shannon -Weaver index and the Margalef index. The results show in common with that of physical-chemical assessment. It indicates that in the Changtu section, the water has been polluted slightly, while other sections have suffered serious pollution resulting in eutrophication with different degrees.