毕业论文移动版

太湖流域浙江境内水体原生动物群落结构时空动态与水质评价摘要2013年7月、10月及2014年1月、4月对太湖流域浙江境内原生动物群落结构时空动态及水质状况进行调查研究，对该流域的原生动物及水体主要理化因子进行了调查分析。采用理化指标评价、种类组成、种群数量、优势种群、多样性指数分析、功能类群、污染指示种等参数，比较了流域中各不同水系不同季节的水质状况。共鉴定原生动物100种，其中鞭毛虫纲45种，纤毛虫纲39种，肉足纲16种。污染指示种及Margalef等多样性指数均表明水质呈中度污染状态。结合水体理化因子分析发现，流域受污染程度的顺序为运河水系＞合溪水系＞东苕溪水系＞西苕溪水系。运河水系由于城市工业和生活污水的影响对原生动物群落结构和水质有明显的影响。50430

Abstract

In October, July 2013 and April, January 2014,we investigated and studyed on the temporal and spatial dynamics of the community structure of the community of the Zhejiang River Basin and water quality in Taihu River Basin,and the main physical and chemical factors of the river basin were investigated and analyzed. Physical and chemical indexes, population quantity, dominant population, persity index analysis, functional groups, pollution indicator species and so on were used to evaluate the species composition. The water quality status of different river systems in different seasons was compared. There were 100 species of protozoa, including 45 flagellatas, 39ciliatas and 16 sarcodinas. The pollution indicator species and the persity index of Margalef indicated that the water quality was moderately polluted. And the results showed that the order of the degree of contamination of river basin is JingHang River>HeXi River> East Tiaoxi River> West Tiaoxi River. And JingHang River due to the impact of industrial and domestic waste water has a significant impact on the protozoan community structure and water quality.

毕业论文关键词：太湖流域浙江境内； 原生动物； 群落结构； 水质评价

Keyword: Taihu Lake basin in Zhejiang Province；Protozoa；Community；Water Quality Evaluation

目    录

引言 4

1材料与方法 4

1.1采样点设置 4

1.2样品采集 5

1.3样品处理及鉴定计数 5

1.4数据处理 5

1.5水体理化指标分析 6

2结果与分析 6

2.1太湖流域浙江境内原生动物种类组成季节变化 6

2.2太湖流域浙江境内原生动物丰度和生物量变化 9

2.2.1原生动物丰度的差异及季节变化 9

2.2.2原生动物生物量的差异及季节变化 10

2.3太湖流域浙江境内原生动物群落多样性分析 10

2.4太湖流域浙江境内原生动物功能类群及污染指示 12

2.4.1原生动物功能类群划分 12

2.4.2原生动物污染指示分布 13

2.5太湖流域浙江境内水质理化指标及与原生动物相关性分析 14

3讨论 15

3.1太湖流域浙江境内原生动物组成特点 15

3.2太湖流域浙江境内原生动物群落与水质的关系 (责任编辑：qin)