Analysis of Icthyofauna and Fish Demography of Nakki Lake, Mount Abu, India

Rakesh Gothwal^1, and O.P Jangir¹

¹Department of Bio-Science, Faculty of Basic and Applied Science, Madhav University (Rajasthan), India

Cite this paper:
Rakesh Gothwal and O.P Jangir. Analysis of Icthyofauna and Fish Demography of Nakki Lake, Mount Abu, India. Applied Ecology and Environmental Sciences. 2019; 7(6):238-244. doi: 10.12691/aees-7-6-5

Abstract

Biodiversity of an aquatic ecosystem and its management is considered to be one of the leading concerns of enabling sustainable use of natural resources. Fishes have a wide impact on the existence and influence on other organisms in their habitat. In the present study of fish diversity and its abundance in Nakki Lake, Mount Abu was studied in the weather cycle of 2018-19 in ten different sampling sites. The findings show the precise number of fish, population density, homogeneity and species dispersion patterns in Nakki Lake. To estimate the number of fish population in the lake, quadrat sampling method was used owing to certain constraints by the department of forest, as Mount Abu falls under the categoriy of eco-senstive zone. The lake supports around twelve species of fishes which are Aorichthys seenghala, Mystus cavasius, Carassius auratus, Catla catla, Cirrhinus cirrhinus, Garra gotyla, Labeo gonius, Labeo rohita, Puntius sarana, Puntius ticto, Gambusia affinis and Heteropneustes fossilis. Out of these dominating fishes are Labeo gonius, Labeo rohita, Catla catla, Heteropneustes fossilis. The result shows that the lake supports fish diversity and the lake habitat is condusive to the growth of thriving population of fish as well as other aquatic species. The other method such as electrofishing could not be carried out since the lake is leased for boating facilities for tourists and fetches high renumeration, which contributes to the revenue of the town.

Keywords:
Fish-Demography Nakki Lake Mount Abu

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