Spatial and temporal variations in cyanobacteria and microcystins in Aha Reservoir, Southwest China

韩孟书; 李秋华; 陈海龙; 肖晶; 江帆

doi:10.1007/s00343-018-7178-6

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Spatial and temporal variations in cyanobacteria and microcystins in Aha Reservoir, Southwest China

ICTC-10 Special Issue: Cyanobacteria and cyanotoxins: responses and detection | Updated：2023-05-19

- Spatial and temporal variations in cyanobacteria and microcystins in Aha Reservoir, Southwest China
- Spatial and temporal variations in cyanobacteria and microcystins in Aha Reservoir, Southwest China
- 海洋湖沼学报（英文） 2018年36卷第4期页码：1126-1131
- Affiliations：
  
  Key Laboratory for Information System of Mountainous Area and Protection of Ecological Environment of Guizhou Province, Guizhou Normal University, Guiyang 550001, China
- Author bio：
  
  LI Qiuhua, qiuhua2002@126.com
- Funds：
  
  the Department of Science and Technology of Guizhou Province([2015]2001);the Department of Science and Technology of Guizhou Province([2017]2863);the Department of Science and Technology of Guizhou Province([2018]5805);the Education Department of Guizhou Province(KY[2017]032);the Water Resources Department of Guizhou Province(KT201401)
- DOI：10.1007/s00343-018-7178-6
  中图分类号：
- 收稿：2017-06-20，
  
  录用：2017-12-6，
  
  网络首发：2018-02-26，
  
  纸质出版：2018-07
- Accepted：
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韩孟书, 李秋华, 陈海龙, 等. Spatial and temporal variations in cyanobacteria and microcystins in Aha Reservoir, Southwest China[J]. 海洋湖沼学报（英文）, 2018,36(4):1126-1131.

Mengshu HAN, Qiuhua LI, Hailong CHEN, et al. Spatial and temporal variations in cyanobacteria and microcystins in Aha Reservoir, Southwest China[J]. Chinese Journal of Oceanology and Limnology, 2018, 36(4): 1126-1131.
韩孟书, 李秋华, 陈海龙, 等. Spatial and temporal variations in cyanobacteria and microcystins in Aha Reservoir, Southwest China[J]. 海洋湖沼学报（英文）, 2018,36(4):1126-1131. DOI： 10.1007/s00343-018-7178-6.

Mengshu HAN, Qiuhua LI, Hailong CHEN, et al. Spatial and temporal variations in cyanobacteria and microcystins in Aha Reservoir, Southwest China[J]. Chinese Journal of Oceanology and Limnology, 2018, 36(4): 1126-1131. DOI： 10.1007/s00343-018-7178-6.

摘要

Abstract

Toxic cyanobacteria (TCB) are well-known worldwide for their adverse impacts on humans. Species compositions and seasonal variations of TCB in reservoirs depend on interactions between physical and chemical factors. This study was conducted to evaluate the water quality in the Aha Reservoir

Southwest China

focusing on cyanobacteria and cyanotoxins. Water samples were collected weekly or biweekly from May to September of 2015 and used to delineate temporal variations in density and distribution of toxic cyanobacteria and cyanotoxins in the reservoir. Toxic cyanobacteria identified consisted of

Aphanizomenon flos-aquae

Pseudanabaena limnetica

Cylindrospermopsis

sp.

and

Microcystis

sp.

with

Aphanizomenon flos-aquae

and

Pseudanabaena limnetica

being the most common and significant toxic genera. The total biomass of cyanobacteria was 17.0 mg/L. Identification and quantification of microcystin variants were conducted by high performance liquid chromatography (HPLC) using a system equipped with a photodiode array detector. Microcystin levels were between 0-3.0 μg/L

MC-RR was around 0-3.0 μg/L and MC-LR was approximately 0-0.9 μg/L. Overall

the results of this study indicate that the investigated reservoirs should be monitored regularly to minimize potential health risks to the human population.

关键词

Keywords

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