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Scientist Profile

  • Scientist Profile

Dr. J. A. Johnson

image
Dr. J. A. Johnson
Scientist - F

Wildlife Institute of India, Chandrabani, Dehradun 248001, India.

+91-9410992211, +91-0135-2646285

jaj [at] wii [dot] gov [dot] in

 

About
I received my Doctoral degree from Manonmanam Sundaranar University, Tamil Nadu in 2000 for the work on “Diversity and ecological structure of fishes in Western Ghats streams, India”. My research included species distribution patterns, community structure, resource (food and space) partition among co-existing species, conservation of rare and threatened species and effects of human disturbance on aquatic resources. I described three new species and found out several new records of fishes from Western Ghats. After joined as faculty in WII, I have started working on aquatic resource management of both Freshwater and Coastal and Marine ecosystem. In this process I have documented diversity and distribution patterns of fishes in Himalaya and Central Indian rivers, involved in River Monitoring programmes, developed few Wetland Management, Plans, Demonstrated Environmental Flow (eFlow) for selected rivers, involved in Seagrass Habitat Assessment and Dugong Recovery Programme. My primary interests are understanding species-habitat relationship and resource partitioning.
Academic Positions
  • Lecturer: June-2003 - May-2005 (2 Ys), Taught for MSc students @ Malankara Catholic College, Kanyakumari District, Tamil Nadu.
  • Assistant Professor: May-2005 - Dec 2005 (6 Ms), Taught for MSc & BTech students @ K.S. Rangasamy College of Technology, Tamil Nadu.
  • Assistant Professor: Feb 2006-Jan 2008 (2 Ys), Taught for PG students @ Eritrea Institute of Technology, Eritrea, North East Africa.
  • Reader & Head (Department of Biotechnology): Feb 2008 - Sept 2008 (7 Ms), Taught for MSc students @ Malankara Catholic College, Kanyakumari District, Tamil Nadu.
  • Scientist in Faculty of Wildlife Science from 2008 to till date (16+ Ys)
Education
  • BSc Zoology (1993), Kamaraj College, Tuticorin, Tamil Nadu.
  • MSc Zoology (1995), St. Xavier’s College, Palayamkottai, Tamil Nadu.
  • Ph.D Zoology (2000), Manonmaniam Sundaranar University, Tirunelveli.
Research Interest
  • Stream Community Ecology
  • River Ecology
  • Fish Taxonomy
  • Marine Ecology
Publications
  • Rana, R., J.A. Johnson and S.A. Hussain (2025). A checklist of fishes of Haiderpur Wetland, Western Uttara Pradesh, Journal of Threatened Taxa 17(3): 26655–26668.
  • Gole, S., Nehru Prabakaran, Sivakumar K. Sumit Prajapati and J.A. Johnson (2024). Latitudinal variation in seagrass communities with special emphasis on post-tsunami status in the Andaman and Nicobar Archipelago, India. o, India. PLoS ONE 19(3): e0300654. DOI:: https://doi.org/10.1371/journal.pone.0300654
  • Gole, S., Prabakaran, N., Das, H., Kuppusamy, S., & Johnson, J.A. (2024). Influence of seasonality and edge effect on seagrass-associated macrobenthic communities: A case study from the Andaman Islands, India: Influence of seasonality and edge effect on seagrass-associated macrobenthic communities: A case study from the Andaman Islands, India. Regional Studies in Marine Science, 79, 103812. DOI: https://doi.org/10.1016/j.rsma.2024.103812
  • Gole, S., Sumit, P., Nehru, P. J.A. Johnson and K. Sivakumar (2023). Herd size dynamics and observations on the natural history of Dugongs (Dugong dugon) in the Andaman Islands, India. Aquatic Mammals, 49(1): 63-61.
  • Eliza, K., Bhavna D., Sivakumar, K. and J.A. Johnson (2022). Habitat suitability modeling of the conservation significant fish species of the Kosi River, Uttarakhand, India. River Research Application, DOI: https://doi.org/10.1002/rra.4079
  • Sumit, P., Chinmaya, G., Sameeha, P., Rukmini, S., Madhu, M.K., Swapnali, G., Srabani, B., Sweta, I., Anant, P., K. Sivakumar and J.A. Johnson (2022). Understanding dietary differences in Indian dugongs through opportunistic gut sampling of stranded individuals. Current Science, 123(10): 1259-1264.
  • Sameeha, P., Anant, P., K. Sivakumar and J.A. Johnson (2022). Scars of hope and forewarn of a bleak future: post-mortem findings of dugongs (Dugong dugon) belonging to a relict population in the Gulf of Kachchh, India. Current Science, 123(7): 919-924.
  • Goura C.S., Surya, S., Ali, S., Saurav Gawan, Usmani, A.A., Sarkar, A., Suyash, K., Ajay Rawat, Gangaimaran, P., Panda, A., Agnihotri, U., Aishwarya, R., Srijani, G., Shivani, B., J.A. Johnson, Ruchi Badola and S.A. Hussain (2022). Prioritising river stretches using multi-modelling habitat suitability of Gangetic dolphin (Platanista gangetica) as a flagship species for aquatic biodiversity conservation in the Ganga River Basin, India. Ecological Indicators 145 (2022) 109680
  • Jithin, V., Abhijit Das and J.A. Johnson (2022). Understanding the influence of check dam and season on habitat use to develop habitat suitability criteria for overwintering tadpoles of Nanorana spp. DOI: https://doi.org/10.1002/rra.4033
  • Jithin, V., J.A. Johnson and Abhijit Das (2022). Influence of check dams on the activity pattern and morphometric traits of overwintering tadpoles in the Western Himalaya. Limlogica, DOI: https://doi.org/10.1016/j.limno.2022.125992
  • Ray, P., G. Malla, J.A. Johnson and K. Sivakumar (2022). An overview of the fish diversity and their threats in the Gowthami-Godavari Estuary in Andhra Pradesh, India. Journal of Threatened Taxa 14(8): 21588-21604.
  • Swapnali Gole, Prasad Gaidhani, Srabani Bose, Anant Pande, J.A. Johnson and K. Sivakumar (2022). New distribution record of globally threatened Ocean Turf Grass Halophila beccarii Ascherson, 1871 from the North Andaman Islands highlights the importance of seagrass exploratory surveys, Journal of Threatenedtaxa, 14(1): 20406-20412.
  • Pal, R., A. Sharma, V.K. Dubey, T. Bhattacharya, J.A. Johnson, K. Sivakumar and S. Sathyakumar (2021). A rare photographic record of Eurasian Otter Lutra lutra with a note on its habitat from the Bhagirathi Basin, western Himalaya, India. Journal of Threatened Taxa 13(13): 20072–20077.
  • De, K., A. Sarkar, K. Singh, V.P. Uniyal, J.A. Johnson and S.A. Hussain (2021). Diversity of aquatic insects and biomonitoring of water quality in the upper Ganga River, a Ramsar site: a preliminary assessment. Journal of Threatened Taxa 13(13): 20011–20018.
  • Syanti, B., Pandav, B., Johnson, J.A. and S.A. Hussain (2021). Resource utilization by smooth coated otter in the rivers of Himalyan foothills in Uttarakhand, India. Global Ecology and Conservation, https:doi.org/10.1016/j.gecco.2021.e01896.
  • Sharma, A., Dubey, V.K., Johnson, J.A., Rawal Y.K. and K. Sivakumar (2021). Dendritic prioritization through spatial stream network modeling informs targeted management of Himalayan riverscapes under brown trout invasion. Journal of Applied Ecology, 2021( 00): 1-12.
  • Sharma, A., Dubey, V.K., Johnson, J.A., Rawal Y.K. and K. Sivakumar (2021). Spatial assemblage and interference competition of introduced Brown trout (Salma trutta) in a Himalayan river network: implication of native fish conservation. Aquatic Ecosystem Health & Management, 24(2): 33-42.
  • Johal, M.S., Sharma, A., Dubey, V.K., Johnson, J.A., Rawal, Y.K. and K. Sivakumar (2021). Invasive brown trout Salmo trutta induce differential growth strategies in the native snow trout Schizothorax richardsonii of Himalaya: Are natives in unaltered rivers better at picking the gauntlet of invasion? Journal of Applied Ichthyology, 37: 723–734.
  • Rajpurkar, Sagar; Pande, Anant; Sharma, Sajal; Gole, Swapnali; Dudhat, Sohini; Johnson, J.A. and K. Sivakumar, K. (2021). Light-weight unmanned aerial vehicle surveys detect dugongs and other globally threatened marine species from the Andaman and Nicobar Islands, India. Current Science, 121(2): 195- 197.
  • Satpathy, S., K. Sivakumar and J.A. Johnson (2021). Fish communities and associated habitat variables in the upper Subansiri River of Arunachal Pradesh, eastern Himalaya, India. Journal of Threatened Taxa, 13(1): 17477–17486.
  • Sharma, A., Dubey, V.K., Johnson, J.A. Rawal, Y.K. and K. Sivakumar (2021). Introduced, invaded and forgotten: allopatric and sympatric native snow trout life-histories indicate brown trout invasion effects in the Himalayan hinterlands. Biol Invasions, 23: 1497–1515.
  • Kannan, K. and J.A. Johnson (2020). Fish diversity in streams/rivers of Kalakad-Mundanthurai Tiger Reserve, Tamil Nadu, India. Journal of Threatened Taxa, 12(15): 17077–17092.
  • Srinivas, Y., Anant Pande, Swapnali Gole, P.V.R. Prem Jothi, K. Madhu Magesh, Sameeha Pathan, Sohini Dudhat, Rukmini Shekar, Chinmaya Ghanekar, Devanshi Kukadia, J.A. Johnson, Samrat Mondol and K. Sivakumar (2020). Mitochondrial phylogeography reveals high haplotype diversity and unique genetic lineage in Indian dugongs (Dugong dugon). Aquatic Conservation: Marine and Freshwater Ecosystem, 2020: 1–12.
  • Johnson, J.A., Watham, T., Gopi, G.V. and K. Sivakumar (2020). Development of habitat suitability criteria for conservation of the black‐necked crane in Nyamjang Chu River in eastern Himalaya, India in connection with a proposed hydropower dam. River Research and Applications, 37(3): 321-329.
  • Nelms, S.E., Duncan, E.M., Patel, S. Badola, R., Bhola., Chakma, S., Chowdhury, G.W., Godley, B.J., Haque, A.B., Johnson, J.A., Khatoon, H., Kumar, S., Napper, I., Hasan Niloy, M.N.H., Tanjila, A., Badola, S., Dev, D., Rawat, S., Santillo, D., Sarker, S., Sharma, E. and H. Koldewey (2020). Riverine plastic pollution from fisheries: Insights from the Ganges River system. Science of the Total Environment, DOI: https://doi.org/10.1016/j.scitotenv.2020.143305.
  • Ray, P., G. Malla, U. Manral, J.A. Johnson and K. Sivakumar (2020). Avifaunal diversity along the riverine habitats of Papikonda National Park, Andhra Pradesh, India. Journal of Threatened Taxa, 12(14): 16993–16999.
  • Johnson, J.A., Sharma, A. Rajput, V. A., Dubey, V.K., and K. Sivakumar (2020). Taxonomic and guild structure of fish assemblages in the streams of Western Himalaya, India. Community Ecology, DOI 10.1007/s42974-020-00026-3.
  • De, K., S.Z. Ali, N. Dasgupta, V.P. Uniyal, J.A. Johnson and S.A. Hussain (2020). Evaluating performance of four species distribution models using Blue-tailed Anax guttatus (Insecta: Odonata) as model organism from the Gangetic riparian zone. Journal of Threatened Taxa, 12(14): 16962–16970.
  • Sharma, A., Dubey, V.K., Johnson, J.A., Rawal, Y.K. and K. Sivakumar (2020). Is there always space at the top? Ensemble modelling reveals climate-driven high-altitude squeeze for the vulnerable snow trout Schizothorax richardsonii in Himalaya. Ecological indicators, Doi.org/10.1016/j.ecolind.2020.106900.
  • Bayyana, S., S. Pawar, S. Gole, S. Dudhat, A. Pande, D. Mitra, J.A. Johnson and K. Sivakumar (2020) Detection and mapping of seagrass meadows at Ritchie’s archipelago using Sentinel 2A satellite imagery. Current Sciences, 118(8): 1275-1282.
  • Nishikant Gupta, Everard, M., Nautiyal, P., Kochhar, I., Sivakumar, K., Johnson, J.A. and A. Borgohain (2019). Potential impacts of non-native fish on the threatened mahseer (Tor) species of the Indian Himalayan biodiversity hotspot. Aquatic Conservation: Marin and Freshwater Ecosystem, 30(2): 394-401.
  • Nishikant Gupta, Tiwari, V., Everard, M., Savage, M., Hussain, S.A., Chadwick, M.A., Johnson, J.A., Nawab, A., and V.K. Belwal (2020). Assessing the distribution status of otters in four rivers of Indian Himalayan biodiversity hotspot. Aquatic Conservation: Marin and Freshwater Ecosystem, 30(3): 601–610
  • Sharma, A., V.K. Dubey, P. Nautiyal, J.A. Johnson, Y.K. Rawal and K. Sivakumar (2019) when nature decides who stays and who goes: Priority effects extirpating the non-native brown trout Salmo trutta fario L. population from a Himalayan river. Current Sciences, 117(2): 186-187.
  • Malla, G., Ray, P., Johnson, J.A. and K. Sivakumar (2019). First photographic record of Common Palm Civet Paradoxurus hermaphroditus from the mangroves of Andhra Pradesh, India. Small Carnivore Conservation, 57: 10–13.
  • Mungi, N.A., M. Kaushik, N.P. Mohanty, R. Rastogi and J.A. Johnson and Q. Qureshi (2019). Identifying knowledge gaps in the research and management of invasive species in India. Biologia, 74(6): 623-629.
  • Joshi, B.D., J.A. Johnson, S.P. Goyal, T. Negi and R.K. Negi (2018). Non-invasive sampling: reliable methods for DNA extraction and PCR amplification from a single scale of small Cyprinidae fish. Zoology and Ecology, 28(4): 425-428.
  • Negi, R.K., Joshi B.D., Johnson J.A., Rahul De and S.P. Goyal (2018). Phylogeny of freshwater fish Puntius sophore in India. Mitochondrial DNA Part A, 29(2): 256-265.
  • Johnson, J.A., K. Sivakumar and R. Jordan (2017). Ecological flow requirement for fishes of Godavari river: flow estimation using the PHABSIM method. Current Sciences, 113(11): 2187-2193.
  • Priyamvada, B., J.A. Johnson and K. Sivakumar (2017). Recent record of Hump-back dolphin (Sousa chinensis Osbeck, 1965) from coastal waters of Andhra Pradesh. Indian Journal of Geo-Mairne Sciences, 46(10): 2152-2155.
  • Anant Pande, K. Sivakumar, S. Sathyakumar, R Suresh Kumar, J. A. Johnson, Samrat Mondol and V.B. Mathur (2017). Monitoring Wildlife and their Habitats in the Southern Ocean and Around Indian Research Stations in Antarctica, Proc Indian Natn Sci Acad, 83(2): 483-496.
  • Negi R.K., Joshi B.D., Johnson J.A. and S.P. Goyal (2016). Identifying Puntius Species Using DNA Barcodes: Implication in Wildlife Forensics. International Journal of Molecular Zoology, 6(2): 1-5.
  • Nishikant Gupta, J.A. Johnson, K. Sivakumar and V.B. Mathur (2016). The perilous voyage of Indian Himalayan ‘ambassadors’ amidst anthropogenic pressures and changing climatic variables. IUCN Otter Spec. Group Bull. 33(1):33-36.
  • Sarkar, M.S., Ramesh, K., Johnson, J.A., Sen, S., Nigam, P., Gupta, S.K. R.S. Murthy and G.K. Saha (2016). Movement and home range characteristics of reintroduced tiger (Panthera tigris) population in Panna Tiger Reserve, central India. Europian Journal of Wildlife Research, 62: 62(5): 537–547.
  • Joshi, K.K. K. Kannan, P.U. Zacharia, J.A. Johnson and Gimy George (2016). First record of Pyramodon lindas (Markle and Olney 1990) (Ophidiforms: Carapidae) from Indian Seas. Marine Biodiversity Records, 9(45): 1-4.
  • Negi R.K., Joshi B.D., Johnson J.A. and S.P. Goyal (2016). Application of computational methods in fish species identification based on mitochondrial DNA sequences. Current Science, 110(11): 2172-2176.
  • Malla, G., P. Ray, P. Bagaria, K. Sivakumar, J.A. Johnson, G.V. Gopi, and P. Sathiyaselvam (2015). Does the Indian Skimmer Rynchops albicollis have a future in East Godavari district, Andhra Pradesh? BirdingASIA, 23(2015): 58–59.
  • Kartikeya Sharma, Nishikant Gupta, J.A. Johnson and K. Sivakumar (2015). ‘Fish festivals’ in the Garhwal Himalaya: conservation options amidst age-old practices. Current Science, 110(7): 1155 -1156.
  • Nishikant Gupta, Asha Rajvanshi, S. Sathyakumar, J. A. Johnson, K. Sivakumar, G. S. Rawat and Vinod B. Mathur (2015). Need for targeted education programme for preparedness and formulating adaptive strategies in the Indian Himalayan region. Current Science, 109(7): 1233-1234.
  • Ramesh, K. S.A. Cushman, M.S. Sarkar, M. Malviya, S. Moorthy, Naveen, J.A. Johnson, Subharanjan Sen (2016). Multi-scale prediction of landscape resistance for tiger dispersal in central India. Landscape Ecology, 31: 1355-1368.
  • Kannan, K., Johnson, J.A., Kumar, A. and S.K. Gupta (2014). Mitochondrial DNA variation in the endangered fish Dawkinsia tambraparniei (Actinopterygii: Cypriniformes: Cyprinidae) from southern Western Ghats, India. Acta Ichthyologica Piscatoria, 44 (1): 3–8.
  • Kumar, R.S. and J.A. Johnson (2014). Aerial surveys for pack-ice seals along the Ingrid Christensen and Princess Astrid Coasts, East Antarctica. Journal of Threatened Taxa 6(9): 6230–6238.
  • Kannan, K., John, S., Johnson, J.A., Zacharia, P.U. and K.K. Joshi (2013). First record of striated fusilier Caesio striata (Teleostei: Caesionidae), from Indian waters. Marine Biodiversity Records, 6: (e106) 1-3.
  • Kannan, K., Joshi, K.K., John, S., and J.A. Johnson (2013). New record of Neobythites multistriatus (Pisces: Ophidiidae) from Bay of Bengal, south-east coast of India. Marine Biodiversity Records, 6(e83):1-3.
  • Vandana, R., J.A. Johnson and K. Sivakumar (2013). Environmental effects on the morphology of the snow trout Schizothorax richardsonii (Gray, 1832). TAPROBANICA, 5(2): 102–110.
  • Kannan, K., J.A. Johnson and H. Malleshappa (2013). Growth and condition of an endangered fish Dawkinsia tambraparniei (Cypriniforms: Cyprinidae) from southern Western Ghats, India. Aqua, International Journal of Ichthyology, 19(2): 61-66.
  • Johnson, J.A., Parmar, R., K. Ramesh, S. Sen and R. Sreenivasamurthy (2012). Fish diversity and assemblage structure in Ken River of Panna landscape, central India. Journal of Threatened Taxa 4(13): 3161–3172.
  • Johnson, J.A. and M. Arunachalam (2012). Feeding habit and food partition in a stream fish community of Western Ghats, India. Environmental Biology of Fishes, 93: 51-60.
  • Johnson, J.A. and M. Arunachalam (2010). Relation of physical habitat to fish assemblages in streams of Western Ghats. Applied Ecology and Environmental Research, 8(1): 1-10.
  • Johnson, J.A. and M. Arunachalam (2010). Habitat use of fishes in streams of Kalakad Mundanthurai Tiger Reserve, India. International Journal of Ecology and Development, 17(10): 34-47.
  • Johnson, J.A. and M. Arunachalam (2009). Diversity, distribution and assemblage structure of fishes in streams of southern Western Ghats, India. Journal of Threatenedtaxa, 1(10):507-513.
  • Johnson, J.A., R.P. Rajesh, L. Annamary and M. Arunachlam (2007). Comparative analysis of inter population genetic diversity in Puntius filamentosus using RAPD markers. African Journal of Biotechnology, 6(23): 2682-2686.
  • Arunachalam, M., J.A. Johnson, C. Vijayakumar, P. Sivakumar, A. Manimekalan, R. Soranam and A. Sankaranarayanan (2004). New record of an endemic species, Puntius ophicephalus (Cypriniformes: Cyprinidae) from Tamil Nadu part of Western Ghats. Journal of Bombay Natural History Society, 101(1): 166-168.
  • Arunachalam, M., J.A. Johnson and A. Sankaranarayanan (2003). Fishes of rain forest streams/rivers of India – a research overview. Envis - Wildlife and Protected Areas, 4(1): 153-171.
  • Arunachalam, M. and J.A. Johnson (2002). A new species of Puntius (Hamilton) from Tamiraparani river. Journal of Bombay National History Society, 99(3): 474–480.
  • Arunachalam, M., J.A. Johnson and K. Rema Devi (2002). Homaloptera santhampariensis, a new species of Balitorid fish (Teleostei: Balitoridae) from a Western Ghats stream of Kerala, India. Acta Zoologica Taiwanica, 13(1): 31-37.
  • Johnson, J.A. and R. Soranam (2001). A new species of Horalabiosa Silas from a Kerala stream of the Western Ghats. Journal of Bombay Natural History Society, 98(3): 392-395.
  • Arunachalam, M., A. Sankaranarayan, J.A. Johnson, A. Manimekalan, R. Soranam, P.N Shanthi and C. Vijayakumar (2000). Fishes of Nambiyar river, Kalakkad Mundanthurai Tiger Reserve, Tamil Nadu. Journal of Bombay Natural History Society, 97(1): 153-154.
  • Arunachalam, M., A. Sankaranarayan, J.A. Johnson, A. Manimekalan and R. Soranam (2000). New records of fishes from the Western Ghats of Maharashtra. Journal of Bombay Natural History Society, 97(2): 29–294.
  • Arunachalam, M., J.A. Johnson and P.N. Shanthi (1999). A new record of the Marine Puffer fish Genus, Chelonodon (Tetraodoniformes, Tetraodonitidae) from the freshwater habitat of Western Ghats, India. Acta Zoologica Taiwanica,10(1): 11-14.
  • Arunachalam, M., J.A. Johnson, A. Manimekalan and S. Sridhar (1999). New record of Heteropneustes microps (Gunther) (Siluridae: Heteropneustidae) from the Western Ghats rivers, India. Journal of Bombay Natural History Society, 96(2): 330-332.
  • Arunachalam, M., J.A. Johnson and R. Soranam (1998). New record of Puntius melanampyx (Cypriniformes: Cyprinidae) and Microphis cunculus (Syngnathoformes : Syngnathidae) from Karnataka, India. Journal of Bombay Natural History Society, 95(1): 128-129.
  • Arunachalam, M., J.A. Johnson, R. Soranam and M.A. Haniffa (1997). Fish diversity in Chittar river of Western Ghats. International Journal of Ecology & Envi. Sciences, 23: 335-342.
  • Arunachalam, M., J.A. Johnson and A. Sankaranarayan (1997). Fish diversity in rivers of northern Karnataka, Western Ghats. International Journal of Ecology & Envi. Sciences, 23: 327-333.
Additional Links
  • https://www.researchgate.net/profile/Jeyaraj-Johnson?ev=hdr_xprf
  • https://loop.frontiersin.org/people/1085150/overview
Last updated 31-07-2025
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