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Spatiotemporal dynamics of and influencing factors on the phytoplankton community in the Yuqiao Reservoir

为探究于桥水库浮游植物群落结构时间与空间变化及其与环境因子的相关性，本研究于2020年5—12月，对于桥水库5个采样点浮游植物群落结构及水体理化因子进行调查分析，运用浮游植物种类多样性指数及综合营养状态指数（TLI）对水体营养状态进行评价，同时应用Pearson相关性分析探究影响浮游植物群落结构的主要环境因子。结果表明：于桥水库浮游植物共隶属于7门86属194种，以绿藻门、蓝藻门及硅藻门为主，7月种类数最多，12月最少。优势种共有17种，蓝藻门最多。于桥水库全年浮游植物平均丰度为1.35×108 cells·L-1，年均生物量为67.73 mg·L-1，从浮游植物群落组成时间差异来看，蓝藻门丰...

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Published in:	Journal of agricultural resources and environment 2024-01, Vol.41 (1), p.125
Main Authors:	Gao, Kai, Li Zeli, Zhao, Xinghua, Zhang, Xiaoxu, Mei Pengyu, Zhang, Zhen
Format:	Article
Language:	Chinese
Subjects:	Abundance Chlorophyll Community structure Correlation analysis Cyanobacteria Cyanophyta Diversity indices Environmental factors Eutrophic environments Eutrophication pH Phytoplankton Plankton Reservoirs Spatial distribution Taxa Trophic levels
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creator	Gao, Kai Li Zeli Zhao, Xinghua Zhang, Xiaoxu Mei Pengyu Zhang, Zhen
description	为探究于桥水库浮游植物群落结构时间与空间变化及其与环境因子的相关性，本研究于2020年5—12月，对于桥水库5个采样点浮游植物群落结构及水体理化因子进行调查分析，运用浮游植物种类多样性指数及综合营养状态指数（TLI）对水体营养状态进行评价，同时应用Pearson相关性分析探究影响浮游植物群落结构的主要环境因子。结果表明：于桥水库浮游植物共隶属于7门86属194种，以绿藻门、蓝藻门及硅藻门为主，7月种类数最多，12月最少。优势种共有17种，蓝藻门最多。于桥水库全年浮游植物平均丰度为1.35×108 cells·L-1，年均生物量为67.73 mg·L-1，从浮游植物群落组成时间差异来看，蓝藻门丰度始终最高，占比为78.75%~95.17%。甲藻门、金藻门及裸藻门占比均较小，合计占比在0.10%~1.48%之间。空间分布上，库中心浮游植物丰度最高，水库入口三岔口最低。TLI评价结果表明，于桥水库2020年处于轻度富营养状态，且夏季评价结果较好。在空间上，库区北部东马坊评价结果较差，水库入口三岔口较好。Pearson相关性分析结果表明，水温、pH、总氮浓度、高锰酸盐指数及叶绿素a浓度是影响于桥水库浮游植物群落结构的重要因子。To explore the temporal and spatial changes in phytoplankton community structure and its correlation with environmental factors in the Yuqiao Reservoir, the phytoplankton and physio-chemical factors at 5 sampling sites were investigated from May to December 2020. The evaluation was based on diversity indices and a comprehensive trophic level index（TLI）. Pearson correlation analysis was used to analyze the main environmental factors affecting phytoplankton community structure. In total, 194 species of p
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The evaluation was based on diversity indices and a comprehensive trophic level index（TLI）. Pearson correlation analysis was used to analyze the main environmental factors affecting phytoplankton community structure. In total, 194 species of p</description><identifier>ISSN: 2095-6819</identifier><identifier>EISSN: 2095-6819</identifier><identifier>DOI: 10.13254/j.jare.2023.0020</identifier><language>chi</language><publisher>Tianjin: Journal of Agricultural Resources and Environment (JARE)</publisher><subject>Abundance ; Chlorophyll ; Community structure ; Correlation analysis ; Cyanobacteria ; Cyanophyta ; Diversity indices ; Environmental factors ; Eutrophic environments ; Eutrophication ; pH ; Phytoplankton ; Plankton ; Reservoirs ; Spatial distribution ; Taxa ; Trophic levels</subject><ispartof>Journal of agricultural resources and environment, 2024-01, Vol.41 (1), p.125</ispartof><rights>2024. This work is licensed under http://creativecommons.org/licenses/by-nc/3.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.proquest.com/docview/2918173081/fulltextPDF?pq-origsite=primo$$EPDF$$P50$$Gproquest$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.proquest.com/docview/2918173081?pq-origsite=primo$$EHTML$$P50$$Gproquest$$Hfree_for_read</linktohtml><link.rule.ids>314,780,784,25753,27924,27925,37012,44590,75126</link.rule.ids></links><search><creatorcontrib>Gao, Kai</creatorcontrib><creatorcontrib>Li Zeli</creatorcontrib><creatorcontrib>Zhao, Xinghua</creatorcontrib><creatorcontrib>Zhang, Xiaoxu</creatorcontrib><creatorcontrib>Mei Pengyu</creatorcontrib><creatorcontrib>Zhang, Zhen</creatorcontrib><title>Spatiotemporal dynamics of and influencing factors on the phytoplankton community in the Yuqiao Reservoir</title><title>Journal of agricultural resources and environment</title><description>为探究于桥水库浮游植物群落结构时间与空间变化及其与环境因子的相关性，本研究于2020年5—12月，对于桥水库5个采样点浮游植物群落结构及水体理化因子进行调查分析，运用浮游植物种类多样性指数及综合营养状态指数（TLI）对水体营养状态进行评价，同时应用Pearson相关性分析探究影响浮游植物群落结构的主要环境因子。结果表明：于桥水库浮游植物共隶属于7门86属194种，以绿藻门、蓝藻门及硅藻门为主，7月种类数最多，12月最少。优势种共有17种，蓝藻门最多。于桥水库全年浮游植物平均丰度为1.35×108 cells·L-1，年均生物量为67.73 mg·L-1，从浮游植物群落组成时间差异来看，蓝藻门丰度始终最高，占比为78.75%~95.17%。甲藻门、金藻门及裸藻门占比均较小，合计占比在0.10%~1.48%之间。空间分布上，库中心浮游植物丰度最高，水库入口三岔口最低。TLI评价结果表明，于桥水库2020年处于轻度富营养状态，且夏季评价结果较好。在空间上，库区北部东马坊评价结果较差，水库入口三岔口较好。Pearson相关性分析结果表明，水温、pH、总氮浓度、高锰酸盐指数及叶绿素a浓度是影响于桥水库浮游植物群落结构的重要因子。To explore the temporal and spatial changes in phytoplankton community structure and its correlation with environmental factors in the Yuqiao Reservoir, the phytoplankton and physio-chemical factors at 5 sampling sites were investigated from May to December 2020. The evaluation was based on diversity indices and a comprehensive trophic level index（TLI）. Pearson correlation analysis was used to analyze the main environmental factors affecting phytoplankton community structure. 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The evaluation was based on diversity indices and a comprehensive trophic level index（TLI）. Pearson correlation analysis was used to analyze the main environmental factors affecting phytoplankton community structure. In total, 194 species of p</abstract><cop>Tianjin</cop><pub>Journal of Agricultural Resources and Environment (JARE)</pub><doi>10.13254/j.jare.2023.0020</doi><oa>free_for_read</oa></addata></record>
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subjects	Abundance Chlorophyll Community structure Correlation analysis Cyanobacteria Cyanophyta Diversity indices Environmental factors Eutrophic environments Eutrophication pH Phytoplankton Plankton Reservoirs Spatial distribution Taxa Trophic levels
title	Spatiotemporal dynamics of and influencing factors on the phytoplankton community in the Yuqiao Reservoir
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