摘要
在东平湖设6个采样点,分别于枯、丰及平水期采样调查,共获轮虫52种,隶属3亚目10科26属,其中47种为东平湖轮虫新记录。整个轮虫群落中。优势种15种,普通种24种,偶见种13种。平均密度688个/L。调查结果表明,东平湖受到不同程度污染,属富营养型湖泊。
Six sampling spots were set up in the Dongping Lake to collect water sample in the low, middle and high water level period separately for investigation of rotifera species . 52 species of rotifera were collected . These species are subordinate to 3 suborders, 10 families, 26 genera, in which there are 47 species belonging to the new ones . In the whole community of ro- tifera there are 15 superior species, 24 common species and 13 rare species. The average density is 688 ind . / L . The investigating results showed the Dongping Lake is polluted in different degree, belonging to a rich nutrient lake .
出处
《齐鲁渔业》
1997年第2期21-23,共3页
Shandong Fisheries
关键词
东平湖
轮虫
种类组成
密度
Dongping Lake
rotifera
species composition
density
polluted water quality