Influence of Limiting Factors on Phytoplankton and Coliform Population in an Inundated, Isolated Wetland

Journal of Wetlands Ecology Pub Date : 2009-12-21 DOI:10.3126/JOWE.V3I0.2225

J. Kumar, C. Oommen

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引用次数: 9

Abstract

The relationships of phytoplankton with physical (temperature, pH), chemical (dissolved oxygen, phosphate, sulphate and nitrate) and biotic (total and fecal coliforms) parameters were analysed for the year September 2007 to August 2008 in a seasonally inundated, isolated wetland - Malwar which is situated between 22° 36'55.78" N and 72°54'58.01" E; about 7 kilometres from Anand, near Kanjari- Boriyavi railway station, Central Gujarat, India. Phytoplankton species belonged to Cyanophyceae, Chlorophyceae, Bacillariophyceae and Euglenophyceae. Cyanophyceae members accounted for 68% of the total phytoplankton population, followed by Chlorophyceae which accounted for 23% and the rest 9% were the members of Bacillariophyceae and a single species of Euglenophyceae. ANOVA indicated significant variation in phytoplankton species richness between the two study sites (P ≤ 0.001). Significant temporal variation for Cyanophyceae density (P ≤ 0.05) was also recorded. Correlation coefficients (r) among the various hydro-chemical properties and different phytoplankton groups (densities) were calculated (correlation matrix). Key words : Phytoplankton; total coliform; fecal coliform; hydro-chemical parameters DOI: 10.3126/jowe.v3i0.2225 Journal of Wetlands Ecology , (2009) Vol. 3, pp 43-55

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淹没孤立湿地限制因素对浮游植物和大肠菌群数量的影响

2007年9月至2008年8月，在位于北经22°36′55.78”和东经72°54′58.01”之间的季节性被淹没的孤立湿地马尔瓦尔，分析了浮游植物与物理(温度、pH值)、化学(溶解氧、磷酸盐、硫酸盐和硝酸盐)和生物(总和粪便大肠菌群)参数的关系;距阿南德约7公里，靠近印度古吉拉特邦中部的Kanjari- Boriyavi火车站。浮游植物分属蓝藻科、绿藻科、硅藻科和裸藻科。蓝藻纲占总浮游植物种群的68%，绿藻纲次之，占23%，其余9%为硅藻纲和单种裸藻纲。方差分析表明，两个研究点之间浮游植物物种丰富度差异显著(P≤0.001)。蓝藻密度随时间变化显著(P≤0.05)。计算各水化学性质与不同浮游植物类群(密度)的相关系数(r)(相关矩阵)。关键词:浮游植物;总大肠杆菌;粪便大肠杆菌;湿地生态学报，(2009)Vol. 3, pp 43-55 . DOI: 10.3969 / jwe .v3i0.2225

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Journal of Wetlands Ecology

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