NDLI: Bird species assemblages across a rural urban gradient around Kolkata, India

Content Provider	Springer Nature Link
Author	Sengupta, Shruti Mondal, Moumita Basu, Parthiba
Copyright Year	2013
Abstract	Urban development leads to changes in habitat structure and resource base. Bird communities are known to respond sharply to such changes. Our result from study of bird community along urbanization gradient around Kolkata metropolitan city clearly separated the urban bird community from the rural and rural 3 habitats in terms of species diversity and foraging groups. Rural and rural 3 sites had more number of rare species and higher percentage of unique species as compared to the urban habitats. Functional group analysis showed higher abundance of granivores in urban habitats and absence of insectivore and carnivorous species that were found in the rural and rural 3 habitats. The bird species assemblage along the gradient was significantly nested where bird species recorded in urban areas were subset of the species rich rural areas. There was no difference in individual counts between urban and rural habitats, therefore nullifying the hypothesis that rural areas are more species rich because of higher population size. Bird community in the urban areas was less even as compared to the rural areas due to the dominance of omnivorous guild. Bird diversity was negatively correlated to the density of house lots.
Starting Page	585
Ending Page	596
Page Count	12
File Format	PDF
ISSN	10838155
Journal	Urban Ecosystems
Volume Number	17
Issue Number	2
e-ISSN	15731642
Language	English
Publisher	Springer US
Publisher Date	2013-10-23
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Bird diversity Urbanization gradient Nestedness, functional group, Kolkata metropolitan area Urban Ecology Environmental Management Ecology Nature Conservation
Content Type	Text
Resource Type	Article
Subject	Ecology Urban Studies

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