{"title":"Seasonal variation in phytoplankton density of Bhagirathi River at Uttarkashi (Uttarakhand) India","authors":"Babita Bantwan","doi":"10.31786/09756272.18.9.2.211","DOIUrl":null,"url":null,"abstract":"Phytoplanktonic study is very important because they act as primary producers, food for variety of aquatic organisms and an efficient bio-indicator for water quality. Large population of phytoplankton is thriving in this wetland which enhances its productivity. A Total of 36 phytoplanktonic genera were identified in the present study. Bacillariophyceae include 15 genera, chlorophyceae include 10 genera, myxophyceae include 7 genera and desmidiaceae include 4 genera. In River Bhagirathi the overall total density fluctuates from 4.0 ± 1.41 Unit l-1 (October) to 179.0 ± 26.87 Unit l-1 (November). Seasonal total density ranged from minimum 77.67 ± 6.81 Unit l-1 (monsoon) at site S1 to maximum 168.6 ± 53.29 Unit l-1 (winter) at site S2.","PeriodicalId":11960,"journal":{"name":"ESSENCE International Journal for Environmental Rehabilitation and Conservation","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2018-12-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"ESSENCE International Journal for Environmental Rehabilitation and Conservation","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.31786/09756272.18.9.2.211","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2
Abstract
Phytoplanktonic study is very important because they act as primary producers, food for variety of aquatic organisms and an efficient bio-indicator for water quality. Large population of phytoplankton is thriving in this wetland which enhances its productivity. A Total of 36 phytoplanktonic genera were identified in the present study. Bacillariophyceae include 15 genera, chlorophyceae include 10 genera, myxophyceae include 7 genera and desmidiaceae include 4 genera. In River Bhagirathi the overall total density fluctuates from 4.0 ± 1.41 Unit l-1 (October) to 179.0 ± 26.87 Unit l-1 (November). Seasonal total density ranged from minimum 77.67 ± 6.81 Unit l-1 (monsoon) at site S1 to maximum 168.6 ± 53.29 Unit l-1 (winter) at site S2.
浮游植物是各种水生生物的初级生产者和食物，也是水质的有效生物指示物，因此对浮游植物的研究具有重要意义。大量的浮游植物在这片湿地上繁衍生息，提高了湿地的生产力。本研究共鉴定了36个浮游植物属。硅藻科有15个属，绿藻科有10个属，粘藻科有7个属，菊科有4个属。巴吉拉提河总密度在10月(4.0±1.41)至11月(179.0±26.87)之间波动。季节总密度变化范围从S1站点最小的77.67±6.81 Unit l-1(季风)到S2站点最大的168.6±53.29 Unit l-1(冬季)。
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