Crustacean and Its Ecological Features in Kot Bandh (Dam) in the Northern Aravalli Range Bordering Indian Desert

Srinkhala Ek Sodhparak Vaicharik Patrika (P: ISSN NO.: 2321-290X RNI : UPBIL/2013/55327 VOL-8* ISSUE-3* November- 2020 E: ISSN NO.: 2349-980X)
Paper Submission: 15/11/2020, Date of Acceptance: 25/11/2020, Date of Publication: 26/11/2020

Abstract


 Saroj Bugalia 

Associate Professor, Dept. of Zoology S.K.Govt.Girls P.G.College, Sikar, Rajasthan, India


Neena Gupta 

Associate Professor, Dept. of Zoology S.K.Govt.Girls P.G.College, Sikar, Rajasthan, India

The Kot bandh (dam), where the present study has been under taken is present on the western fringe of the Aravalli range, in Jhunjhunu district of Rajathan. Being present towards the Indian desert region, the area typically represents an arid climate. In this region the average annual rainfall ranges from 25 to 35 cm. It holds water that has narrower and lower ranges of temperature, pH, EC, TDS and alkalinity as compared to the surface waters in the Indian desert. It has better light penetration and dissolved oxygen and reveals considerably narrow range of seasonal thermal fluctuations. Among arthropods crustaceans were noted both in water column as plankton and in sediments as benthos. Crustacean fauna in the dam, studied for 15 months, was represented by 4 species belonging to orders Members of Crustacea belonged to Copepoda (2), Cladocera (1), and Ostracoda (1), apart from nauplius larvae. A single cladoceran, Daphnia carinata was recorded. Its population varied from 1 to 4/l and it was found to be highly sensitive to extreme cold and hot weather. The seed shrimp (Ostracoda) Stenocyprismalcomsoniinhabited the sediments of the dam and it was noted as the only perennial crustacean. Poor during extreme thermal conditions, the shrimp was abundant during monsoon. Copepods were represented by one cyclopoid (Mesocyclopsleuckarti) and one calanoid (Diaptomusglacialis). Of these, latter was relatively greater in number with wider tolerance as reflected from its better periodicity of occurrence. The dam shows many a species common with those in desert waters, however, some of them differ in their population and seasonality of occurrence. 

for full paper please visit below link :

http://www.socialresearchfoundation.com/upoadreserchpapers/3/393/2012101131161st%20saroj%20bugalia%2013225.pdf


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