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A preliminary study on relative abundance of wild mammals based on camera trap in Balaram-Ambaji Wildlife Sanctuary, Gujarat State, India
Vasantkumar M. Rabari, Arzoo Malik, Nishith Dharaiya,
Volume 4, Issue 3 (9-2022)
Abstract
Knowledge of the occurrence and distribution of terrestrial mammals is imperative in the design of conservation strategies in protected areas. There is a lack of information available on the occurrence and abundance of wild mammals in the Balaram-Ambaji Wildlife Sanctuary, Gujarat of India. Thus, the present study was carried out to understand the relative abundance of the wild mammalian species in the Balaram-Ambaji Wildlife Sanctuary via camera trapping. We used day/night camera traps to record the presence of diurnal and nocturnal mammals in the Balaram-Ambaji Wildlife Sanctuary. We plotted 11 cameras near water bodies for 20 days from 6 January 2020 to 26 January 2020. A total of 268 photographs of wild animals were captured. Among the photos 13 wild mammalian species were identified, including the Rusty-spotted cat Prionailurus rubiginosus (I. Geoffroy Saint-Hilaire), which is reported for the first time in this area. The Relative Abundance Index (RAI) of each identified species was calculated to understand the species richness, providing baseline data for species occupancy.

Factors influencing roost site preference of Rose-ringed parakeets (Psittacula krameri, Psittacidae, Psittaciformes) in urban areas of north Gujarat, India
Jahnvi Patel, Pratikkumar Desai, Vishal Patel, Nishith Dharaiya,
Volume 6, Issue 2 (6-2024)
Abstract
The study investigated the roosting patterns of Rose-ringed parakeets (Psittacula krameri) across six locations in the state of Gujarat, India. Roost sites included 383 trees, of which 228 were used for final roosting and 155 served as pre-roosting sites. The study was conducted over a period of four months from 2019 to 2020. A total of 20 different tree species were identified as roost sites, with Ficus benghalensis being the most utilized. Overall, 228 roosting trees, spread across 12 locations, hosted 50,161 parakeets, with the highest concentration occurring in gardens. Tree height and canopy cover significantly correlated with parakeet numbers, with taller trees (>15 m) and those with canopy cover >100 m² supporting the most parakeets. Pearson correlation analysis confirmed these relationships (R²= 0.1661 for height, R²= 0.3610 for canopy cover, both P< 0.01). No significant monthly variation in parakeet numbers was observed. Normalized difference vegetation index (NDVI) values ranged from 0.007 to 0.51, with a mean of 0.16 for roosting sites, suggesting suitable roosting areas are scattered in dense vegetation, predominantly on the city periphery. The study underscores the significance of tree height and canopy cover to parakeet roosting site selection.

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