Effect of Physico-Chemical Parameters and Inorganic Nutrient Ions in Relation with Seasonal Algal Diversity of River Ichhamati, West Bengal, India.

Current World Environment Pub Date : 2024-01-10 DOI:10.12944/cwe.18.3.09

Monojit Ray, Suraj Sk

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Abstract

The present study reflects seasonal algal diversity as a source of food for fishes in the river Ichhamati during October 2021 to August 2022. To understand the seasonal algal pattern in the river Ichhamati, physicochemical parameters of river water such as Hardness, Conductivity, pH, Total Dissolve Solids, Turbidity, Dissolve Oxygen, Salinity, Turbidity, Total Alkalinity, Salinity, Biological Oxygen Demand as well as biologically significant inorganic ion concentrations in river water namely sodium, potassium, calcium, carbonate, bicarbonate, nitrate, chloride were also evaluated during study period. It is found that physico-chemical parameters and inorganic ions in river water play an important and significant role in seasonal algal growth. Throughout the study period it was established that river Ichhamati is not very rich in floral diversity. During study time it was observed that dominant group of algae in this river are Chlophytes, Cyanophytes and Bacilariophyceae, including Species of Oscillatoria Nostoc, Klebsormidium, Spirogyra, Lyngbya, Chlorococcum, Chlorella, Diatoms in all seasons. During spring, summer and monsoon Conductivity, salinity, TDS and hardness of river water is high. Ichhamati contained adequate Na+, K+ and NO3- in summer and monsoon season. High rate of bio-mineralisation during winter was found due to presence of high calcium ion concentration and also high TDS along with high salinity as well as high hardness of river water.

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印度西孟加拉邦 Ichhamati 河物理化学参数和无机营养离子与季节性藻类多样性的关系。

本研究反映了 2021 年 10 月至 2022 年 8 月期间伊恰马蒂河中作为鱼类食物来源的季节性藻类多样性。为了解伊恰哈马提河的季节性藻类模式，研究期间还评估了河水的理化参数，如硬度、电导率、pH 值、总溶解固体、浊度、溶解氧、盐度、浊度、总碱度、盐度、生物需氧量以及河水中具有生物意义的无机离子浓度，即钠、钾、钙、碳酸盐、碳酸氢盐、硝酸盐、氯化物。研究发现，河水中的物理化学参数和无机离子对季节性藻类生长起着重要作用。在整个研究期间，伊恰马蒂河的花卉多样性并不丰富。在研究期间，我们观察到该河的主要藻类为叶绿藻、蓝藻和褐藻，其中包括所有季节都有的鞘藻类（Oscillatoria Nostoc、Klebsormidium、Spirogyra、Lyngbya、Chlorococcum、Chlorella、Diatoms）。在春季、夏季和季风季节，河水的电导率、盐度、TDS 和硬度都很高。在夏季和季风季节，Ichhamati 含有充足的 Na+、K+ 和 NO3-。由于河水中钙离子浓度高、TDS 高、盐度高和硬度高，冬季的生物矿化率较高。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Current World Environment

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