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Unravelling Seasonal Diversity of Algal Flora of River Yamuna in Delhi Region
River Yamuna, which flows through the national capital region of Delhi, India, is an important wetland ecosystem of national and mythological significance. Thirty eight samples of periphyton and phytoplankton were collected in four different seasons i.e., winter, spring, summer and monsoon from five sites of Yamuna River. A total of 74 species under 47 genera of algae were recorded from four major groups Chlorophyta, Bacillariophyta, Euglenineae and Cyanophyta. Most of the species are cosmopolitan and tropical in distribution. Phytoplankton diversity was found variable in different seasons and collection sites. Kirchneriella, Hydrodictyon, Crucigenia, Spirogyra, Mougeotia, Melosira, Cyclotella, Navicula, Oscillatoria and Microcystis are the most dominant genera in the Yamuna River in Delhi.
Keywords
Phytoplankton, River Yamuna, Seasonal Diversity.
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