青山水库藻类分布特征及相关性研究

doi:10.14088/j.cnki.issn0439-8114.2019.20.015

湖北农业科学 ›› 2019, Vol. 58 ›› Issue (20): 72-75.doi: 10.14088/j.cnki.issn0439-8114.2019.20.015

青山水库藻类分布特征及相关性研究

金丹娟¹, 童群¹, 许振波¹, 施思¹, 王洁屏, 石芳明²

1.杭州市临安区环境监测站,杭州 311300;
2.杭州市临安区科学技术局,杭州 311300

收稿日期:2019-08-15 出版日期:2019-10-25 发布日期:2019-11-19
通讯作者: 许振波,主要从事环境监测方面的研究,（电子信箱）239698257@qq.com。
作者简介:金丹娟（1986-）,女,浙江台州人,工程师,硕士,主要从事环境监测方面的研究,（电话）13758129451（电子信箱）570266858@qq.com。
基金资助:
杭州市科技局项目（[2017]68,8）

Distribution characteristics and correlation analysis of algae in Qingshan reservoir

JIN Dan-juan¹, TONG Qun¹, XU Zhen-bo¹, SHI Si¹, WANG Jie-ping¹, SHI Fang-ming²

1.Lin'an Environmental Monitoring Station,Hangzhou 311300,China;
2.Lin'an Science & Technology Bureau of Hangzhou City,Hangzhou 311300,China;

Received:2019-08-15 Online:2019-10-25 Published:2019-11-19

摘要/Abstract

摘要： 青山水库是杭州的饮用水源之一,其水质受生活污水、工业和农业等方面的影响。研究、跟踪调查了2018年4月至2019年3月青山水库藻类在水体中的分布情况,并分析了叶绿素a与藻类、环境因子的相关性。结果表明,青山水库的藻类常年以绿藻、蓝藻、硅甲藻为主,夏季以蓝藻为主;藻类主要集中在表层水中（水面下1~2 m）;叶绿素a含量与绿藻、蓝藻、硅甲藻均呈极显著正相关;叶绿素a含量与水温、高锰酸盐指数呈极显著正相关,与pH呈显著正相关,与氨氮、硝酸盐氮、总铁、三价铁离子、锰呈显著负相关;逐步回归分析得出高锰酸盐指数、硝酸盐氮和水温是影响青山水库叶绿素a含量的主要因子,叶绿素a计算值与实测值拟合的相关性较好（R=0.920,P<0.01）。

关键词: 青山水库, 叶绿素a, 藻类, 逐步回归分析

Abstract: Qingshan reservoir is one of the drinking water sources in Hangzhou, and the water quality is affected by domestic sewage, industry and agriculture. The distribution of algae in Qingshan reservoir from April 2018 to March 2019 was investigated, and the correlation between chlorophyll a and algae and environmental factors was analyzed. The analysis showed that the main algae in Qingshan Reservoir were green algae, blue-green algae and diatoms all the year round. Blue-green algae were the main species in summer. Algae were mainly distributed in surface water （1~2 m below the surface）. Correlation analysis indicated that green algae, blue-green algae and diatoms were extremely significant correlated with chlorophyll a. Chlorophyll a was extremely significant associated with water temperature, COD_Mn and was a significant positive correlation with pH, and it had a negative correlation with ammonia nitrogen, nitrate nitrogen, total iron, trivalent iron ion and manganese. Stepwise regression analysis showed that COD_Mn, nitrate nitrogen and water temperature were the most important factors, which influenced the concentration of chlorophyll a in Qingshan reservoir. The calculated and measured values of chlorophyll a have a good correlation （R=0.920,P<0.01）.

Key words: Qingshan reservoir, chlorophyll a, algae, stepwise regression analysis

中图分类号:

X524
X832

金丹娟, 童群, 许振波, 施思, 王洁屏, 石芳明. 青山水库藻类分布特征及相关性研究[J]. 湖北农业科学, 2019, 58(20): 72-75.

JIN Dan-juan, TONG Qun, XU Zhen-bo, SHI Si, WANG Jie-ping, SHI Fang-ming. Distribution characteristics and correlation analysis of algae in Qingshan reservoir[J]. HUBEI AGRICULTURAL SCIENCES, 2019, 58(20): 72-75.

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青山水库藻类分布特征及相关性研究

Distribution characteristics and correlation analysis of algae in Qingshan reservoir

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