Abstract
The Great Nicobar Biosphere Reserve is one of the 18 Biosphere Reserves created under the Man and Biosphere Programme of Ministry of Environment, Forest and Climate Change, Government of India. The study was conducted in Great Nicobar Biosphere Reserve (GNBR) during August 2008–September 2020. The aim of this study was to describe the species abundance, diversity and distribution pattern of bird communities. The present study documented baseline information about avifauna in Great Nicobar Biosphere Reserve, and the occurrence of 145 species of birds confirms the importance of this reserve for biodiversity protection. Mean abundance data were used, and the analysis showed that the truncated lognormal model is fitting to the bird community at the Great Nicobar Biosphere Reserve. The species abundance, diversity and density of birds varied in the Great Nicobar Biosphere Reserve which could be due to vegetation type, foliage height, nesting availability and floristic composition of the area. The abundance and distribution of bird species in Great Nicobar Biosphere Reserve have been examined, and the results of this study support that this area represent a unique and important habitat type.
Published Version
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