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标题：Diversity, Distribution and Status of Birds of Kolleru Lake - A Ramsar Site in Andhra Pradesh
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作者：Dr. B. Bharatha Lakshmi ; Dr. B.T. Rao ; Dr. K. Rama Rao 等
期刊名称：International Journal of Innovative Research in Science, Engineering and Technology
印刷版ISSN：2347-6710
电子版ISSN：2319-8753
出版年度：2015
卷号：4
期号：7
页码：5759
DOI：10.15680/IJIRSET.2015.0407053
出版社：S&S Publications
摘要：Kolleru is one of the most important and a large fresh water ecosystem situated between the twoimportant rivers of Krishna and Godavari. It has achieved fame as a birds' heaven mainly due to high bird diversity andabundance that it supports especially in winter season. Kolleru lake which is declared as a wildlife sanctuary is aRamsar site and also an Important Bird Area. Excellent bird reserve provides refuge for internationally importantpopulations of wetland birds. An ornithological survey was carried out for three consecutive years 2010 - 2013 forassessing the status, diversity and distribution of avifauna. Attempts were made to cover the representative areas, inorder to cover migratory and resident species, highlighting the threatened species. The lake was threatened due todemographic pressures and it is over- exploited. Fortunately, the lake has been given due protection in recent years andit resulted in improving the habitat. The lake is regaining its splendour after the state government demolished illegalfish ponds, backed by a standing order from the Hon‟ble Supreme Court of India. There is an increase in the number ofmigratory birds after demolition of fish tanks. The international migratory birds like Pelicans, a variety of Ducks,Waders etc., are back at Kolleru lake. The lake is serving as refuge for threatened water fowl and waders. The surveywas aimed at the specific problems pertaining to conservation and diversity of the birds. Altogether 232 species of birdsbelonging to 138 Genera distributed in 17 Orders are recorded. The lake has been observed to be rich abode of an arrayof avifauna. Out of 232 species of birds, 6 are globally threatened and 20 are near threatened and 100 are migratory.During the study 10 major wetland bird congregation sites were selected and over 75000 birds were recorded, utilizingthis lake annually for feeding breeding and nesting. The research findings are presented. The lake area isenvironmentally conscious segment of ecotourism and provides the economic growth for the local community.
关键词：Kolleru Lake; Ramsar site; Migratory birds; Waders; % species diversity; % species composition;Conservation