Diversity of Zooplankton in the Paddy Fields of Imphal West District

Name: Diversity of Zooplankton in the Paddy Fields of Imphal West District
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¹Th. Rajen Singh*, ²Dr. N. Mohendra Singh, ³Dr. Kh. Rajmani Singh

Bulletin of Pure and Applied Sciences.

Botany, Vol.41 B, No.2.
July-December 2022: P.94-101

Original Research Article

DOI: 10.5958/2320-3196.2022.00011.8

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Categories: 41B(2), JUL-DEC 2022, BPAS-Botany

Description

Diversity of Zooplankton in the Paddy Fields of Imphal West District

¹Th. Rajen Singh*, ²Dr. N. Mohendra Singh, ³Dr. Kh. Rajmani Singh

Author’s Affiliation

¹Moirang College, Moirang, Manipur 795133, India.

²D.M. College of Science, Imphal, Manipur 795001, India

³D.M. College of Science, Imphal, Manipur 795001, India

*CorrespondingAuthor:

Th. Rajen Singh

Moirang College, Moirang,

Manipur 795133, India.

E-mail:

rajenth63@gmail.com

How to cite this article: Th. Rajen Singh, Dr. N. Mohendra Singh, Dr. Kh. Rajmani Singh (2022). Diversity of Zooplankton in the Paddy Fields of Imphal West District. Bulletin of Pure and Applied Sciences-Botany, 41B(2), 94-101.

Received on 30.06.2022

Revised on 05.10.2022

Accepted on 31.10.2022

Published on 15.12.2022

Abstract

Diversity of zooplankton was studied in three selected paddy fields (PF) of Imphal West District in Manipur namely, Wangoi (PF₁), Hiyangthang (PF₂), Mayang Imphal (PF₃) during August to October, 2020. The study revealed that altogether 55 taxa comprising of 44 rotifera, 8 cladocera and only 3 copepoda (fig2) had occurred in the three studied paddy fields. The highest number of zooplankton taxa (rotifer) was observed at PF₁followed by (cladocera) at PF₃ and (copepoda) at PF₂. Nine physico-chemical parameters of water in the three study areas was also analysed The P^H value ranged between 6.0 and 8.0, Temperature between 27 and 30⁰C, Dissolved oxygen between 2.0 and 6.0mg/l, Free Carbondioxide between 3.0 and 11.0 mg/l, Chloride between 3.0 and20.0 mg/l, Acidity between 5.0 and 18.0 mg/l, alkalinity between 22.0 and 95.0 mg/l, Nitrate between 0.03 and 0.06mg/l, and Nitrite between 0.01 and 0.05 mg/l. as observed during the investigation period (Table -3). Keywords: Paddy fields, Zooplankton, Imphal West.