[1]陈焱垚,孙荣,杨瑛,等.三峡库区源头溪流湾滩河浮游植物群落特征[J].华侨大学学报(自然科学版),2024,45(5):661-666.[doi:10.11830/ISSN.1000-5013.202307035]
　CHEN Yanyao,SUN Rong,YANG Ying,et al.Phytoplankton Community Characteristics of Headstream Wantan River in Three Gorges Reservoir Area[J].Journal of Huaqiao University(Natural Science),2024,45(5):661-666.[doi:10.11830/ISSN.1000-5013.202307035]
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三峡库区源头溪流湾滩河浮游植物群落特征()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第45卷
期数:
2024年第5期
页码:
661-666
栏目:
出版日期:
2024-09-20

文章信息/Info

Title:
Phytoplankton Community Characteristics of Headstream Wantan River in Three Gorges Reservoir Area
文章编号:
1000-5013(2024)05-0661-06
作者:
陈焱垚1;  孙荣1;  杨瑛1;  胡家榕1;  代晓涵2
1. 华侨大学 化工学院, 福建 厦门 361021;2. 甘肃农业大学 植物保护学院, 甘肃 兰州 730070
Author(s):
CHEN Yanyao1;  SUN Rong1;  YANG Ying1;  HU Jiarong1;  DAI Xiaohan2
1. College of Chemical Engineering, Huaqiao University, Xiamen 361021, China; 2. College of Plant Protection, Gansu Agricultural University, Lanzhou 730070, China
关键词:
浮游植物;  群落特征;  空间格局;  生物多样性;  湾滩河;  三峡库区
Keywords:
phytoplankton;  community characteristics;  spatial pattern;  biodiversity;  Wantan River;  Three Gorges Reservoir area
分类号:
Q948.8
DOI:
10.11830/ISSN.1000-5013.202307035
文献标志码:
A
摘要:
为探讨山地河流源头溪流浮游植物群落的空间格局和生物多样性维持机制,对湾滩河流域浮游植物群落空间结构变化特征及其与环境因子的关系进行研究;在三峡库区汤溪河上游的湾滩河干支流设置9个样地,调查浮游植物物种组成和环境变量,进行Spearman相关性分析。结果表明:丰水期和枯水期的浮游植物物种组成均主要以硅藻-绿藻型为主;均匀度指数和Simpson生物多样性指数变化不大,水质较为清洁;丰水期和枯水期浮游植物密度分别为1.985 6×104~5.726 3×104,2.033 2×104~6.006 0×104 cells·L-1;pH值、溶解氧(DO)、总磷(TP)、海拔是影响湾滩河浮游植物特征指数变化的关键因子。
Abstract:
In order to explore the spatial pattern and biodiversity maintenance mechanism of phytoplankton community in headstream of mountain rivers and streams, the spatial structure change characteristics of phytoplankton community in Wantan River basin and their relationship with environmental factors were studied. Nine plots were set up in Wantan River tributaries in the upper reaches of Tangxi River in the Three Gorges Reservoir Area. The phytoplankton species composition and environmental variables were investigated, and Spearman correlation and other analyses were performed. The results showed that the phytoplankton species composition was mainly diatomic-green algae type in both wet and dry periods; evenness index and Simpson biodiversity index changed little, and the water quality was relatively clean; the phytoplankton densities in wet and dry periods were 1.985 6×104-5.726 3×104 and 2.033 2×104-6.006 0×104 cells·L-1respectively; the pH value, dissolved oxygen(DO), total phosphorus(TP)and altitude were key factors affecting the variation of phytoplankton characteristic index in the Wantan River.

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备注/Memo

备注/Memo:
收稿日期: 2023-07-27
通信作者: 孙荣(1982-),男,副教授,博士,主要从事环境生态学、环境规划的研究。E-mail:sunrong@hqu.edu.cn。
基金项目: 国家自然科学基金资助项目(51509094); 华侨大学本科教育教学改革研究项目(HQJGYB2339)
更新日期/Last Update: 2024-09-20