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indian institute of remote sensing

Indian Space Research Organisation

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Dr. Ishwari Datt Rai

Dr.Ishwari Datt Rai Phone : 0135-2524177
Fax : 0135-2741987
Email : ishwari[at]iirs[dot]gov[dot]in
Designation : Scientist/Engineer-SD
Department : Forestry and Ecology Department
Field of Expertise : Forest ecosystem structure and function; Plant taxonomy and floristics; Monitoring climate change responses of Himalayan ecosystems
Mail Address : Forestry & Ecology Department, Indian Institute of Remote Sensing, India Space Research Organization, Govt. of India, 4 Kalidas Road, Dehradun, 248001, India
  • Forest Ecology (Patterns and processes)
  • Plant taxonomy and floristics
  • Biodiversity pattern analysis
  • Long Term Ecological Monitoring
  • Life Member- Indian Science Congress Association
  • Ph.D.- Botany, Kumaun University, Nainital
  • M.Sc.- Botany, Kumaun University, Nainital
  • Scientist/Engineer-SD, Indian Institute of Remote Sensing, ISRO, Dehradun- October 2018 – till date
  • Project Scientist, Wildlife Institute of India, Dehradun- July 2016 – September 2018
  • DST-SERB Fast-Track Young Scientist award, 2012
  • 3rd prize in the photographic competition during XXII Annual Research Seminar, Wildlife Institute of India, 2008
  • Singh, G., Sarkar, M.S., Pandey, A., Lingwal, S., Rai, I.D., Adhikari, B.S., Rawat, G.S., Rawal, R.S. 2018. Quantifying four decades of changes in land use and land cover in India’s Kailash Sacred Landscape: suggested option for priority based patch level future forest conservation, Journal of the Indian Society of Remote Sensing DOI: 10.1007/s12524-018-0817-8
  • Rai, I.D., Bhardwaj, M., Talukdar, G., Rawat, G.S., Sathyakumar, S. 2018. Large scale infestation of blue pine by Himalayan dwarf mistletoe in the Gangotri National Park, Western Himalaya. Tropical Ecology 59(1): 157–161.
  • Rai, I.D., Singh, G., Rawat, G.S. 2018. Anemone trullifolia and Berberis angulosa as new records to the flora of Western Himalaya. Journal of Threatened Taxa 10(5): 11679–11682.
  • Rai, I.D., Kumar, A., Singh, G., Adhikari, B.S., Rawat, G.S. 2017. Three noteworthy additions to the flora of the western Himalaya, India. Journal of Threatened Taxa 9(7):10421–10425.
  • Rai, I.D., Jalal, J.S., Singh, G., Rawat, G.S. 2017. Note on the occurrence of cryptic and endangered mycoheterotrophic orchid Galeola falconeri from western Himalaya. Indian Forester 143(7): 710–711.
  • Rai, I.D., Singh, G., Rawat, G.S. 2016. Noteworthy additions to the flora of Uttarakhand, western Himalaya, India. Journal of Threatened Taxa 8(7): 9004–9008.
  • Singh, G., Padalia, H., Rai, I.D., Bharti, R.R., Rawat, G.S. 2016. Spatial extent and conservation status of banj oak (Quercus leucotrichophora A. Camus) forests in Uttarakhand, western Himalaya. Tropical Ecology 57(2): 255–262.
  • Rai, I.D., Rawat, G.S., Kholia, B.S. 2015. On the occurrence of Aleuritopteris chrysophylla (Hook.) Ching (Pteridaceae) in Uttarakhand, Western Himalaya. Indian Journal of Forestry 38(4): 361–362.
  • Rai, I.D., Rawat, G.S. 2015. Oxygraphis kumaonensis sp. nov. (Ranunculaceae) from Western Himalaya, India, Phytotaxa 230 (1): 92–96.
  • Singh, G., Rai, I.D., Rawat, G.S., Goraya, G.S., Jalal, J.S. 2015. Additions to the flora of Great Himalayan National Park, Western Himalaya, Indian Journal of Forestry 38(4): 375–381.
  • Rai, I.D., Singh, G., Rawat, G.S. 2015. Rediscovery, distribution and conservation status of Leptodermis riparia R. Parker (Rubiaceae) in Western Himalaya, India. Telopea 18: 79–83.
  • Rai, I.D., Jalal, J.S., Singh, G., Kumar, P. 2015. A note on the Occurrence of Eulophia flava (Lindl.) Hook. f. (Orchidaceae) in Kumaon Himalaya, Indian Journal of Forestry 38(3): 263–264.
  • Rai, I.D., Jalal, J.S., Singh, G, Rawat, G.S. 2015. Extended distribution of Platanthera cumminsiana (King and Pantl.) J. Renz (Orchidaceae) in Western Himalaya, India, Indian Journal of Forestry 38(1): 95–98.
  • Rai, I.D., Jalal, J.S., Singh, G., Rawat, G.S. 2014. Platanthera pachycaulon (Orchidaceae) an addition to the orchid flora of Western Himalaya, India. Richardiana XIV(9): 266–273.
  • Rai, I.D., Adhikari, B.S., Rawat, G.S. 2014. A rare and endangered root parasite: Balanophora involucrata Hook. f. & Thomson. Indian Forester 140(4): 435–436.
  • Rai, I.D., Singh, G., Rawat, G.S. 2013. Bistorta tenuifolia var. gidarensis (Polygonaceae), a new variety from India, Phytotaxa 92(1): 13–19.
  • Singh, G., Rai, I.D., Rawat, G.S., Goraya, G.S. 2013. Neottia pinetorum (Orchidaceae): a new record to the flora of Himachal Pradesh, India, Indian Forester 139(6): 566–567.
  • Rai, I.D., Adhikari, B.S. 2012. Rhododendron rawatii (Ericaceae), a new species from the Western Himalaya, India, Phytotaxa 71: 10–16.
  • Rai, I.D., Adhikari, B.S., Rawat, G.S. 2012. Floral diversity along sub-alpine and alpine ecosystems in Tungnath area of Kedarnath Wildlife Sanctuary, Uttarakhand, Indian Forester 138(10): 927–940.
  • Rai, I.D., Adhikari, B.S., Rawat, G.S. 2012. Mass foliar damage at subalpine-timberline ecotone in Western Himalaya due to extreme climatic events, American Journal of Climate Change 1: 104–107.
  • Singh, G., Rai, I.D., Rawat, G.S. 2012. The mortality of banj oak (Quercus leucotrichophora A. Camus) trees in Mussoorie, Uttarakhand: Is it an alarming call for rapid degradation? Current Science 102(12): 1622–1623.
  • Rai, I.D., Adhikari, B.S., Rawat, G.S., Bargali, K. 2012. Community structure along timberline ecotone in relation to micro-topography and disturbances in Western Himalaya, Notulae Scientia Biologicae 4(2): 41–52.
  • Rai, I.D., Bhattacharyya, S., Adhikari, B.S. 2011. Common Coot Fulica atra: first report for Kedarnath Wildlife Sanctuary, Western Himalaya, Uttarakhand, India, Indian Birds 7(4): 110.
  • Singh, G., Rai, I.D., Rawat, G.S. 2011. The year 2010 was mast seed year for the kharsu oak (Quercus semecarpifolia Sm.) in the Western Himalaya. Current Science 100(9): 1275.
  • Thakur, M., Rai, I.D., Mandhan, R.P., Sathyakumar, S. 2011. A panel of polymorphic microsatellite markers in Himalayan monal Lophophorus impejanus developed by cross-species amplification and their applicability in other Galliformes. European Journal Wildlife Research DOI: 10.1007/s10344-011-0494-1.
  • Bharti, R.R., Rai, I.D., Adhikari, B.S., Rawat, G.S. 2011. Timberline change detection using topographic map and satellite imagery: a critique. Tropical Ecology 52(1): 133-137.
  • Rai, I.D., Adhikari, B.S., Rawat, G.S. 2010. An unique patch of timberline ecotone with three species of Lady’s slipper orchids in Garhwal Himalaya. Journal of Threatened Taxa 2(3): 766–769.
  • Rai, I.D., Kumar, P., Bharati, R.R., Adhikari, B.S., Rawat, G.S. 2010. Corallorhiza trifida Chatel.: a little known partial myco-heterotrophic orchid from the Valley of Flowers National Park, Western Himalaya, India. Taiwania 55(4): 391–395.
  • Jalal, J.S., Rai, I.D., Kumar, P., Rawat, G.S., Pangtey, Y.P.S. 2010. Platanthera leptocaulon (Hooker f.) Soo: an addition to the orchid flora of Western Himalaya, India. Richardiana X(2): 85–93.
  • Rai I.D., Singh, G., Rawat, G.S. 2017. Plants of Kedarnath Wildlife Sanctuary, Western Himalaya: A Field Guide. Bishen Singh Mahendra Pal Singh, Dehradun, 400p.
  • Rai, I.D., Bharti, R.R., Adhikari, B.S., Rawat, G.S. 2013. Structure and functioning of timberline vegetation in the western Himalaya: A case study, pp 91–107. In: (Ning W, Rawat GS, Joshi S, Ismail M, Sharma E. eds.) High-Altitude Rangelands and their Interfaces in the Hindu Kush Himalayas. ICIMOD, Nepal.
  • Rai I.D., Singh, G., Rawat, G.S. 2017. Plants of Kedarnath Wildlife Sanctuary, Western Himalaya: A Field Guide. Bishen Singh Mahendra Pal Singh, Dehradun, 400p.
  • Bhattacharya, P., Priyadarshani, S., Kumar, D., Rai, I.D., Talukdar, G., Rawat, G.S., Upreti, D.K. 2016. Bibliography on microflora (lichens, fungi and bacteria) of the Indian Himalayan Region, pp 263–319. In: (Sathyakumar, S. ed.) Bibliography on the Fauna and Micro flora of the Indian Himalayan Region. ENVIS, Wildlife and Protected Areas. Vol. 17. Wildlife Institute of India, Dehradun, India.
  • Singh, G., Rai, I.D. 2008. Threatened plant of Kedarnath Wildlife Sanctuary, Western Himalaya, pp 51–54. In: (Rawat GS. ed.) Special Habitats and Threatened plants of India. ENVIS, Wildlife and Protected Areas, Vol. 11(1), Wildlife Institute of India, Dehradun, India.
  • Rai, I.D. 2017. Plant phenological response to climatic variation along timberline ecotone in outer fringes of Askot Wildlife Sanctuary, Western Himalaya. Final report submitted to Scientific and Engineering Research Board (SERB), DST, New Delhi.
  • Adhikari, B.S., Rawat, G.S., Rai, I.D., Bhattacharyya S, Bharti RR. 2012. Ecological assessment of timberline ecotone in Western Himalaya with special reference to climate change and anthropogenic pressures. Final Technical Report, Wildlife Institute of India, Dehradun.
  • Singh, G., Rai, I.D., Rawat, G.S. 2011. Alpine Meadows of Uttarkashi: Status and Conservation. Submitted to Biodiversity Board, Uttarakhand.
  • Discovered 3 new species of flowering plants to science
  • Recorded 16 species new to western Himalaya