宝应湖浮游植物调查及营养状况评价  

Phytoplankton Investigation and Trophic Status Evaluation in Lake Baoying

作　　者：魏文志[1] 丛宁[2] 罗方妮[1] 

机构地区：[1]扬州大学动物科学与技术学院,江苏扬州225009 [2]扬州市水产技术指导站,江苏扬州225002

出　　处：《水生态学杂志》2010年第2期28-31,共4页Journal of Hydroecology

基　　金：扬州市环保科技项目

摘　　要：2008年7月至2009年5月对宝应湖浮游植物进行调查。结果显示,宝应湖共有浮游植物62种,隶属8门22科36属,其中绿藻门有14属25种,硅藻门有8属14种,蓝藻门有8属12种。优势种季节性变化明显,全年优势种为小球藻、啮齿隐藻、湖生束球藻等。全年种类结构以绿藻、蓝藻等为主,生物量以蓝藻、绿藻和隐藻为主。不同采样点浮游植物数量在2.94×106～8.08×106ind/L,Shannon-Weaver指数2.040～3.284。宝应湖处于中营养状态向富营养状态过度的类型。An investigation was carried out in Lake Baoying from July 2008 to May 2009.62 species of phytoplanktons was identified.25 species belong to 14 genera of Chlorophyta.14 species belong to 8 genera of Bacillariophyta,and 12 species belong to 8 genera of Cyanophyta,The dominant species were Chlorella vulgaris,Cryptomonas erosa,Gomphosph aeria lacustris.The phytoplankton community structure of Lake Baoying was of green-blue agale type,and biomass of Cyanophyta,Chlorophyta and Cryptophyta was dominant in four se...

关 键 词：宝应湖 浮游植物 营养状况 

分 类 号：Q948[生物学—植物学]