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Zooplankton Fauna and its Ecological features in a Desert pond Ecosystem at Churu, Rajasthan, India

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Author Affiliations

  • 1P.G. Department of Zoology, Govt. Dungar College, Bikaner-334001, INDIA

Res. J. Recent Sci., Volume 4, Issue (ISC-2014), Pages 235-239, (2015)

Abstract

Rajasthan is endowed with different topographic characters. In northwest part of the state, the Thar desert lies, where extreme condition like scarcity of water, low rainfall, high temperature fluctuations, dust storms, poor vegetation and animal life prevail. In the adverse conditions of desert water is the most important limiting factor for existence and distribution of biotic communities. In the Indian desert fewer but varied bodies of water are present in the form of ponds, tanks, reservoirs, tanka, naadis, johra, beri and bawari and few perennial lakes etc. The present study was carried out during September 2012 to February 2013 to investigate the diversity and population density of Zooplankton at ‘Sethani ka Johra’ in Churu district (27o 24’N to 29o00’ N latitude and 73o 40’E to 75o 41’E longitude). Physical – Chemical limnology of the studied biotopes revealed that the pond was shallow with turbid, alkaline, hard, slightly saline and well oxygenated water. The zooplankton fauna was represented by Protozoans, Rotifers and Arthropods. Protozoans include thirteen species belonging to two classes- Mastigophora and Ciliata. Rotifers represented by eight species. Arthropods were represented by two classes – Crustacea and Insecta. Crustacea includes eight species belonging to three orders – Ostracoda, Cladocera and Copepoda. Nauplii, the larval forms of many Crustaceans, occurred in pond during the study period. Aquatic insects include ten species belonging to two orders - Coleoptera and Hemiptera. Order Diptera and Odonata were represented only by larval forms.

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