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Research interests

I study the responses of populations of soil organisms to alterations in the physical environment and exposure to anthropogenic toxicants. I aim to combine lab- and field-based approaches for understanding the mechanisms shaping the variation in life history strategies among conspecific populations and species, and the consequences for population dynamics. Presently, I am studying the combined effect of neonicotinoids and temperature on soil-dwelling Collembola.


2010-2015: Ph.D., Department of Biosciences, University of Oslo, Norway

2006-2008: M.Sc. Forestry, Forest Research Institute (Deemed) University, Dehradun, India

2003-2006: B.Sc. Botany (Honours), Presidency College, University of Calcutta, Kolkata, India

Positions held

2016-2018 Editor (Life Sciences). Centre of Excellence in Plant and Animal Sciences, Cactus Communications Pvt. Ltd., Mumbai, India

2008-2010 Project Assistant. Division of Biotechnology and Management of Bioresources, The Energy and Resources Institute, New Delhi, India.


2018-until date: Postdoctoral fellowship of the Research Council of Norway (RCN). Project: Effects of climate change in a multiple stress multispecies perspective (MULTICLIM), under the large-scale programme for climate research (Klimaforsk):

2010-2015 Doctoral Research fellowship of the Faculty of Mathematics and Natural Sciences, University of Oslo.

Tags: MULTICLIM, Ecotoxicology, multiple stressors, Life history strategies, Ecology and Evolution

Selected publications

Sengupta, S., Ergon, T., Leinaas, H. P. (2017) Thermal plasticity in post-embryonic life-history traits of a widely distributed Collembola: effects of macroclimate and microhabitat on genotypic differences. Ecology and Evolution, 7(15): 8100–2112 doi: 10.1002/ece3.3333

Sengupta, S., Ergon, T., Leinaas, H. P. (2016) Genotypic differences in embryonic life history traits of Folsomia quadrioculata (Collembola: Isotomidae) across a wide geographical range. Ecological Entomology, 41(1): 72–84 doi: 10.1111/een.12270


Published Sep. 9, 2015 5:59 PM - Last modified Dec. 1, 2019 10:31 AM