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Journal of Pharmacognosy and Phytochemistry

Journal of Pharmacognosy and Phytochemistry

Vol. 8, Issue 2 (2019)

An overview of qualitative and quantitative composition of phytoplankton community at Lake Nainital

Author(s):

Kusumlata Goswami and M Das Trakroo

Abstract:
Lake Nainital is situated at Nainital district (known as Lake District of India) in Uttarakhand. The climate of Nainital is sub-tropical to sub-humid, which provides soothing environment for luxurious growth of planktons. Qualitative and quantitative structure of phytoplankton was assessed for a period of eight months from September, 2016 to April, 2017 for evaluation of their diversity at lake using diversity indices. On the basis of human interference three sites were selected. Site1 (S1) was near pump house at Thandi sadak, which was operated to improve the dissolved oxygen content of the lake. Site 2 (S2) was near Naina Devi Temple, where drainage of temple is flushed into the water. Site 3 (S3) was at platform near Boat stand, where there was a lot of human intervention by tourist activities. The floristic composition of Nainital Lake consisted of total number of 41 different taxa belonging to 4 classess and the density of phytoplankton varied from 2 × 104 to 4.26 × 104 cells L-1, with a mean population of 3.13 × 104 cells L-1. Calculation of various diversity and evenness indices depicted that Site S1 possess maximal diversity, whereas Site S2 possess maximum density of phytoplankton.

Pages: 1800-1804  |  1078 Views  562 Downloads


Journal of Pharmacognosy and Phytochemistry Journal of Pharmacognosy and Phytochemistry
How to cite this article:
Kusumlata Goswami and M Das Trakroo. An overview of qualitative and quantitative composition of phytoplankton community at Lake Nainital. J Pharmacogn Phytochem 2019;8(2):1800-1804.

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