Study On The Habitat Exploitation Of Waterbirds In Dajihu Reserve And Its Surrounding Areas In Summer

Representative regions around four management and protection stations were picked out for transect research during March to November 2007. The species and quantity of birds were documented, and the habitat exploitation of waterbird was analyzed. The documented waterbirds of 58 species belongs to 11 families and 7 orders. The results indicated that different species of waterbirds exploit the surrounding habitat with different extent significantly. The most distribution of Gruiformes was in the vegetation of shoal water at 68.9%, the second was in deep water at 20.8%. The most distribution of Ciconiformes was in grassland of lake floodplains at 73.4%, and 13.8% in the vegetation of shoal water. The birds belong to Ansteriformes was the most in Dajihu, and total of 16312 were observed. The data shows that the vegetation of shoal water and deep water were the suitablest habitats to them, at 38.0%, and the second was the vegetation of shoal water at 34.1%.The most distribution of Charadriformes was in mud foreshore swamp at 57.5%, and 21.2% in the vegetation of shoal water. The distribution of Podicipediforms in the vegetation of shoal water was 70.3%, and 24.0% in deep water. The most distribution of Lariformes was in grassland of river floodplains at 50.2%, and the second was in the vegetation of shoal water at 16.8%. The most distribution of Pelecaniformes was in the grassland of river floodplains at 95.7%, and 2.2% in deep water.