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Seasonal variation of Epifloral communities with respect to nutrient load in sediment of Tapi at Utran, Surat, India

Author Affiliations

  • 1J.N.M. Patel Science College, Bharthana, Surat, Gujarat, India
  • 2Department of Aquatic Biology, VNSGU, Surat, Gujarat, India

Res. J. Recent Sci., Volume 6, Issue (1), Pages 25-27, January,2 (2017)


This study was aimed to observe the Epifloral communities with respect to nutrient load (Nitrite, Nitrate, and Phosphate) seasonally. This study was carried out for one year from March - 2015 to February - 2016. Sediment samples were collected from Utran, Surat which is located near the Gas based power station on the bank of Tapi River. Sediment samples were collected monthly in morning hours. Samples were analysed for nitrate, nitrite and phosphate. During the study period, four families of epifloral communities were found i.e. Bacillariophyceae, Chlorophyceae, Cyanophyceae and Euglenophyceae with reference to seasonal nutrient load. Nutrient load was high in summer and showed the higher growth of Cyanophycaeae. In monsoon when nutrient load was less Chlorophyacae was observed highest.


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