| 介百飞，张紫皇，程光平，李文红，陈琴，桑明远，姬永杰，罗翠萍.桂江浮游生物的群落结构及多样性分析[J].广东农业科学,2014,41(6):178-182 |
|
查看全文
HTML
桂江浮游生物的群落结构及多样性分析 |
| Analysis of plankton community structureand diversity in Guijiang river |
| |
| DOI： |
| 中文关键词: 桂江 浮游生物 多样性 群落结构 |
| 英文关键词: Guijiang river plankton diversity community structure |
| 基金项目:广东省科技计划项目（粤科规划字[2010]138 号） 166 |
|
| 摘要点击次数: 1734 |
| 全文下载次数: 0 |
| 中文摘要: |
| 为了解桂江浮游生物群落结构及多样性，采集8 个断面水样，定性、定量测定浮游生物，共鉴定出浮游植物7 门57 属，其中，优势门为硅藻门，共15 属、占总属数的26.32%，平均密度和生物量分别为4.19 万个/L 和0.11mg/L，平均Shannon-Weiner 多样性指数（H）、Pielou 均匀度（J）、Margalef 种类丰富度指数（R）分别为1.25、0.65 和1.67；鉴定出浮游动物4 类33 属，优势种为原生动物和枝角类，各12 属、均占总属数的36.4%，平均密度和生物量分别为25.5 个/L 和0.65 mg/L，平均Shannon-Weiner 多样性指数（H）、Pielou 均匀度（J）分别为1.13、0.81。结果表明，现阶段桂江浮游生物多样性水平和丰富度较高，但沿岸居民区相对密集、人类活动频繁的江段浮游生物多样性和丰富度较低。 |
| 英文摘要: |
| In order to understand the plankton community structure and diversity in Guijang river, water samples were
collected from eight sections, and were subjected to qualitative and quantitative determination of plankton. A total of 7
phyla and 57 species of phytoplankton were identified. According to the study, the dominant phylum of phytoplankton was
Bacillariophyta, which had 23 species, accounting for 26.32% of the total phytoplankton species, the average density and
biomass of phytoplankton were 4.19104 cells/L and 0.11 mg/L, the average Shannon -Weiner diversity index, Pielou
uniformity index and Margalef richness index were 1.25, 0.65 and 1.67. Four phyla and 33 species of zooplankton were
identified, the dominant phyla of zooplankton were Protozoa and Cladocera, each with 12 species, accounting for 46.3% of
the total zooplankton species, the average density and biomass of zooplankton were 25.5 cells/L and 0.65 mg/L, the average
Shannon-Weiner diversity index and Pielou uniformity index were 1.13 and 0.81. The research indicated that at this stage,
the plankton diversity and abundance of Guijiang river was high. However, at the relatively dense residential areas along
the coast, and the section of the river with frequent human activities, the plankton diversity and abundance was low. |
|
查看/发表评论 下载PDF阅读器 |
|
|
|
