Suhridam Roy

Research Scholar, Institutional staff

Vof1 19

M.Sc. Forestry, Forest Research Institute
B.Sc. Zoology, University of Calcutta

I have joined NCF in January, 2017 as a PhD research fellow. Before that, I have been a part of NCF high altitude team during my master’s dissertation and I analyzed camera trap data to understand the patterns of spatial and temporal interaction among a diverse group of Trans-Himalayan wild species.

I had never planned to come into field of wildlife and conservation. However, I feel now, this is the place where I can rightly fit in. My interests are not static, changes over time. But, species interaction, animal behavior and animal responses towards changing environment, had always fascinated me. I love when art and science converge into a beautiful creation. Mountains, vast open sky, endless meadows and wild animals in their native landscapes, brings warmth to my heart. I believe there is a long adventurous journey ahead of me, which is challenging and arduous, but it is worth exploring.


  • Journal Article
    In press
    Distribution and activity pattern of stone marten Martes foina in relation to prey and predators
    Mammalian Biology;

    PDF, 1.04 MB

    Small carnivores are expected to optimize their activity to maximize prey capture and minimize their encounter with  predators. We assessed the activity pattern of the stone marten
    Martes foinain relation to its potential prey, the Himalayan woolly hare Lepus oiostolus and the Royle’s pika Ochotona roylei, and its predators, the red fox Vulpes vulpesand the free-ranging dog Canis familiaris. Using three years of camera trapping data from the Indian Trans-Himalaya, we estimated individual and pair-wise spatio-temporal niche width and overlap, respectively, using Levins’ asymmetric index. Stone martens showed limited space use (spatial niche width 0.16) and nocturnal activity (temporal niche width 0.35). They had high temporal (0.75) and low spatial overlap (0.05) with hares; while they had relatively low temporal (0.33) but higher spatial overlap (0.29) with pikas. Red foxes showed relatively high temporal (1.21) and spatial (0.75) overlap with martens, while free-ranging dogs showed low temporal (0.23) and spatial (0.03) overlap with martens. Although restricted space and time use by pikas might help martens track pikas even with relatively low spatio-temporal overlap, martens may be benefiting from higher temporal overlap with hares. While martens seem to be co-existing with foxes, their nocturnal activity might be driven by a trade-off between consuming prey and avoidance of diurnal predators like dogs.

  • Popular Article
    Life of Pine
    The Hindu in School, 8 March

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