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Small mammal communities in a rapidly developing southern Indian city

© Zoo Outreach Organisation; www.zoosprint.org Manuscript 1139; Received 10 January 2004; Revised received 28 October 2005; Finally accepted 09 January 2006; Date of publication 21 January 2006 2152 February 2006 | ISSN 0973-2535 (Print edition); 0973-2551 (Online edition) ABSTRACT Four sites around Bangalore city were chosen for survey of non-volant small mammals (rodents and insectivores). The sites were chosen in scrub patches and plantations that are typical of Bangalore landscape. Species composition, population and microhabitat preference were studied. The study assessed changes in species composition and community structure with the change in land use patterns and levels of anthropogenic disturbances. In areas of high anthropogenic disturbance, number of species, and abundance was recorded to be very low, as compared to areas of relatively low disturbance. Shivanahalli (least disturbed site, and most representative of wild habitats around Bangalore) recorded seven species, with Cremnomys blanfordi and Rattus rattus wroughtoni being dominant. Microhabitat preference was studied only in Shivanahalli, as the other sites did not have sufficient captures for analysis. Most of the captures were recorded in rocky areas, with dense shrub cover. The two dominant species appeared to avoid each other’s territories.