沈抚连接带河流着生藻类群落结构及时空分布特征
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摘要
2015年4月、7月和10月,对沈抚连接带河流着生藻类进行了调查,采集到藻类7门9纲17目28科59属,其中硅藻门24属,绿藻门20属,蓝藻门8属,裸藻门3属,黄藻门2属,隐藻门、甲藻门各1属。进一步的分析显示,沈抚连接带河流着生藻类优势种为硅藻门; 4月和10月的生物密度高于7月。通过Shannon-Weaver多样性指数分析藻类,发现该水域的支流污染较干流严重。将4项环境因子与着生藻类群落结构进行冗余度分析(RDA),发现藻类群落组成与BOD_5和COD_(Mn)呈负相关,与p H值和溶解氧呈正相关,绿藻门和硅藻门受环境因子影响显著。
In April,July and October of 2015,an investigation was conducted on the growth of periphytic algae in rivers of Shenyang-Fushun connection belt. The samples include 59 genus,28 families,17 orders,9 classes and 7 phyla,in which 24 genus belonged to Bacillariophyta,20 genus belonged to Chlorophyta,8 genus belonged to Cyanophyta,3 genus belonged to Euglenophyta,2 genus belonged to Xanthophyta,and 2 genus were Cryptophyta and Pyrroptata,respectively. The dominant species of the periphytic algae in rivers of Shenyang-Fushun connection belt were the Bacillariophyta,and the biological density in April and October was higher than that in July. Through the analysis of Shannon-Weaver diversity index,it was found that the pollution of tributaries was more serious than that of the main stream. Redundancy analysis( RDA) of four environmental factors and the community structure of the periphytic algae showed that,the community structure of periphytic algae was negatively correlated with BOD5 and potassium permanganate index and positively correlated with pH and dissolved oxygen,and Chlorophyta and Bacillariophyta were significantly affected by environmental factors.
In April,July and October of 2015,an investigation was conducted on the growth of periphytic algae in rivers of Shenyang-Fushun connection belt. The samples include 59 genus,28 families,17 orders,9 classes and 7 phyla,in which 24 genus belonged to Bacillariophyta,20 genus belonged to Chlorophyta,8 genus belonged to Cyanophyta,3 genus belonged to Euglenophyta,2 genus belonged to Xanthophyta,and 2 genus were Cryptophyta and Pyrroptata,respectively. The dominant species of the periphytic algae in rivers of Shenyang-Fushun connection belt were the Bacillariophyta,and the biological density in April and October was higher than that in July. Through the analysis of Shannon-Weaver diversity index,it was found that the pollution of tributaries was more serious than that of the main stream. Redundancy analysis( RDA) of four environmental factors and the community structure of the periphytic algae showed that,the community structure of periphytic algae was negatively correlated with BOD5 and potassium permanganate index and positively correlated with pH and dissolved oxygen,and Chlorophyta and Bacillariophyta were significantly affected by environmental factors.
引文
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[13]刘奕伶,葛继稳,李艳元,等.古夫河着生藻类优势种体积与水质因子的相关性研究[J].中国环境科学,2015,35(7):2182-2191.Liu Yiling,Ge Jiwen,Li Yanyuan,et al.Correlations between the volume of dominant periphytic algae species and the water quality parameters in Gufu River[J].China Environmental Science,2015,35(7):2182-2191(in Chinese).
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[15]王书航,姜霞,金相灿.巢湖水环境因子的时空变化及对水华发生的影响[J].湖泊科学,2011,23(6):873-880.Wang Shuhang,Jiang Xia,Jin Xiangcan.Spatial-temporal variations of aquatic environmental factors and their influences to algal blooming in Lake Chaohu[J].Journal of Lake Sciences,2011,23(6):873-880(in Chinese).
[2]王亚尼,周序协,张桂蓉,等.大茶湖浮游藻类调查与水质初步评价[J].华中农业大学学报,2013,32(3):118-123.Wang Yani,Zhou Xuxie,Zhang Guirong,et al.Investigation of phytoplankton and preliminary evaluation of water quality in Dacha Lake[J].Journal of Huazhong Agricultural University,2013,32(3):118-123(in Chinese).
[3]李欢,赵伟华,林莉.长江中下游干流浮游藻类空间分布特征初探[J].长江科学院院报,2015,32(6):94-99.Li Huan,Zhao Weihua,Lin Li.Spatial distribution features of phytoplankton community in middle-low reaches of mainstream Yangtze River[J].Journal of Yangtze River Scientific Research Institute,2015,32(6):94-99(in Chinese).
[4]朱广伟,金颖薇,任杰,等.太湖流域水库型水源地硅藻水华发生特征及对策分析[J].湖泊科学,2016,28(1):9-21.Zhu Guangwei,Jin Yingwei,Ren Jie,et al.Characteristics of diatom blooms in a reservoir-water supply area and the countermeasures in Taihu Basin,China[J].Journal of Lake Sciences,2016,28(1):9-21(in Chinese).
[5]武琳,刘雪华,成小英,等.景观水体浮游藻类变化及与水质因子关系分析[J].环境科学与技术,2012,35(4):120-126.Wu Lin,Liu Xuehua,Cheng Xiaoying,et al.Spatialtemporal variation of phytoplankton in clean landscape water in Southeast China from autumn to spring and analysis of the related factors[J].Environmental Science&Technology,2012,35(4):120-126(in Chinese).
[6]戴国飞,刘慧丽,张伟,等.江西柘林湖富营养化现状与藻类时空分布特征[J].湖泊科学,2015,27(2):275-281.Dai Guofei,Liu Huili,Zhang Wei,et al.Spatio-temporal variation of algae and eutrophic status of Lake Zhelin,Jiangxi Province[J].Journal of Lake Sciences,2015,27(2):275-281(in Chinese).
[7]邓文丽,刘均平,王晓星,等.北京野鸭湖浮游植物群落结构与水质关系研究[J].湿地科学,2013,11(1):27-34.Deng Wenli,Liu Junping,Wang Xiaoxing,et al.Relationship between community structure of phytoplankon and water quality in Yeyahu Lake,Beijing[J].Wetland Science,2013,11(1):27-34(in Chinese).
[8]赵洪,丛海兵,倪金春,等.周村水库藻类在混合胁迫条件下的生长衰亡规律[J].环境科学学报,2014,34(10):2520-2525.Zhao Hong,Cong Haibing,Ni Jinchun,et al.Growth and decay of algae in Zhoucun Reservoir under the hybrid stress conditions[J].Acta Scientiae Circumstantiae,2014,34(10):2520-2525(in Chinese).
[9]殷旭旺,徐宗学,鄢娜,等.渭河流域河流着生藻类的群落结构与生物完整性研究[J].环境科学学报,2013,33(2):518-527.Yin Xuwang,Xu Zongxue,Yan Na,et al.Community structure and biological integrity of periphyton in the Weihe River Basin,China[J].Acta Scientiae Circumstantiae,2013,33(2):518-527(in Chinese).
[10]雷波,刘朔孺,张方辉,等.三峡水库上游长寿湖浮游藻类的季节变化特征及关键环境影响因子[J].湖泊科学,2017,29(2):369-377.Lei Bo,Liu Shuoru,Zhang Fanghui,et al.Seasonal phytoplankton dynamics and its relationship with key environmental factors in Lake Changshou,upper reaches of the Three Gorges Reservoir[J].Journal of Lake Sciences,2017,29(2):369-377(in Chinese).
[11]张艳艳,魏金豹,黄民生,等.环境因子对滴水湖浮游植物生长的影响分析[J].华东师范大学学报:自然科学版,2015(2):48-57.Zhang Yanyan,Wei Jinbao,Huang Minsheng,et al.Effects of environment factors on the growth of phytoplankton in Dishui Lake[J].Journal of East China Normal University:Natural Science,2015(2):48-57(in Chinese).
[12]田永强,俞超超,王磊,等.福建九龙江北溪浮游植物群落分布特征及其影响因子[J].应用生态学报,2012,23(9):2559-2565.Tian Yongqiang,Yu Chaochao,Wang Lei,et al.Dynamic changes of phytoplankton’s community structure in Beixi of Jiulongjiang River,Fujian Province of East China and related affecting factors[J].Chinese Journal of Applied Ecology,2012,23(9):2559-2565(in Chinese).
[13]刘奕伶,葛继稳,李艳元,等.古夫河着生藻类优势种体积与水质因子的相关性研究[J].中国环境科学,2015,35(7):2182-2191.Liu Yiling,Ge Jiwen,Li Yanyuan,et al.Correlations between the volume of dominant periphytic algae species and the water quality parameters in Gufu River[J].China Environmental Science,2015,35(7):2182-2191(in Chinese).
[14]王爱爱,冯佳,谢树莲.汾河中下游浮游藻类群落特征及水质分析[J].环境科学,2014,35(3):915-923.Wang Aiai,Feng Jia,Xie Shulian.Phytoplankton community structure and assessment of water quality in the middle and lower reaches of Fenhe River[J].Environmental Science,2014,35(3):915-923(in Chinese).
[15]王书航,姜霞,金相灿.巢湖水环境因子的时空变化及对水华发生的影响[J].湖泊科学,2011,23(6):873-880.Wang Shuhang,Jiang Xia,Jin Xiangcan.Spatial-temporal variations of aquatic environmental factors and their influences to algal blooming in Lake Chaohu[J].Journal of Lake Sciences,2011,23(6):873-880(in Chinese).