V. S. Kachare, R. S. Pawar and D. B. Panaskar
In the present study, the migratory birds such as Anas acuta, Anas crecca, Anas strepera, Anas penelope, Anas clypetata, Atythga ferina, etc are seen in the Kolhapur city Wetlands. The status of diversity of birds in the, Rajaram Tank, Kalamba, New Palace and Rankala area in the year 2006-07 and 2007-08. The Species Diversity Index (SDI) of the birds in the wetlands is 30, 14, 18, and 9 of year 2006-07 and in the year 2007-08 it is 28, 12, 17, and 7 respectively. The Species count in September, October, November, December, January and February months in the year 2006-07 in Rajaram Tank is 45, 46, 47, 46, 51, 51, in Kalamba wetland is 25, 33, 38, 48, 50, 55, in New Palace wetland is 17, 23, 30, 33, 36, 36, and in Rankala it is 15, 18, 21, 27, 26, 25, respectively. The Species count in September, October, November, December, January and February months in the year 2007-08 in Rajaram Tank is 41, 43, 45, 48, 50, 49, in Kalamba wetland is 22, 31, 37, 45, 48, 51, in New Palace wetland is 15, 20, 27, 31, 33, 33 and in Rankala it is 12, 15, 19, 23, 22, respectively. The Species Diversity Index (SDI) and Species count is less in year 2007-08 because of the disturbances in the living of birds. Such disturbances are natural and man made. The natural disturbances such as Seasonal variations, Rainfall, Snowfall, Disasters, etc and Man made disturbances such as Festivals, Washing, Bathing, Boating, Drainage, Deposition of fill materials, Tilling of crop production, Logging, Mining, Construction, Run-off, Pollution, Eutrophication, Domestic animals etc.
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