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Research Article Open Access
The diversity of wetlands is intermediary zones between permanently aquatic and dry terrestrial eco-systems. Wetlands require collaborated research involving natural, social and inter disciplinary studied to understanding the various components such as monitoring of water quality, socio-economic dependency, biodiversity and other activities as an indispensable tool for formulating long term conservation strategies. The physico-chemical parameters of one of the major habitats for birds, the wetlands are known to influence congregation of migratory and resident species of birds. The present study deals with the interactions between these abiotic factors and bird diversity of the Udhayamarthandapuram bird sanctuary, Tamil Nadu, India for a period of August 2011 to March 2012. During these study periods the water birds were grouped into five categories namely diving birds, swimming birds, small waders, large waders and aerial foragers. During each visit waterfowl survey was carried out and water samples were also collected to document the seasons. The variations in bird aggregations as well as physico-chemical factors are discussed. Most of the abiotic factors were significantly influenced for the density, diversity and richness of the water bird groups.