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Global Change Research Institute, CAS

Mgr. Maan Bahadur Rokaya, Ph.D.


Position: junior researcher

Branch: Department of Biodiversity Research

Workplace: ÚVGZ AV ČR, v. v. i.V Jirchářích 149/6Praha110 00



Research Focus

Populační biologie a ekologie orchidejí Nepálu


  • Ph.D. (2006-2011): “Diversity, distribution and Conservation of Medicinal plants in Nepal”, Department of Ecology, Faculty of Science, Charles University in Prague, Czech Republic (Supervisor: Dr. Zuzana Münzbergová).
  • M.Sc. in Botany (1999-2001): “Ethnoecology of Medicinal Plants in Dho-Tarap Area in Buffer Zone of Shey Phoksundo National Park, Dolpa, Nepal”, Department of Botany, Faculty of Science, Tribhuvan University, Nepal (Supervised: Dr. Suresh Kurmar Ghimire).


  • Since 2008 – Department of Population Ecology, Institute of Botany, Academy of Sciences of the Czech Republic
  • Since 2012- Czech Globe, Academy of Sciences in Czech Republic
  • 2016 Global Change Research Institute CAS

Important research visits and fellowships

  • 2012 PopBio 2012: Revisiting important questions and defining new horizons, Zurich (Poster).
  • 2011 Basic and applied plant Population Biology Oxford, 2-4 June 2010 (Poster).
  • 2010 Plant Population Biology Crossing Borders Nijmegen, 13-15 May 2010 (Poster).
  • 2009 Plant Population Biology in a changing world Bern, 21-24 May 2009 (Paper).
  • 2008 Plant Population Biology for the coming decade. Population Biology for the coming decade Luxembourg, 1-3 May (Poster).
  • 2005 Biodiversity Conservation in Asia: Current Status and Future Perspectives; Asia Section – 1st Regional Conference, The Society for Conservation Biology, 17- 20 November 2005, (Talk).      
  • 2005 Third National Botanical conference: Conservation and Utilization of Plant Wealth of Nepal and 14th Annual General Meeting: May 12-13, 2005, Kathmandu, Nepal (Talk).
  • 2004 Fourth conference on Science and Technology: A National Workshop, March 21-24, 2004, Kathmandu, Nepal (Talk).
  • 2004 National Seminar on Natural Resource Management: February 13-14, 2004. Biratnagar, Nepal (Poster)
  • 2002 Wise Practices and Experiential Learning in the Conservation and Management of Himalayan Medicinal Plants: A Regional Workshop, December 15-20, 2002, Kathmandu, Nepal (Poster)
  • 2002 National Seminar on Recent Advances in Plant Science (RAPs), March 17-18, 2004, Birgunj, Nepal (Poster)
  • 2001 Ethnobotanical Research & Laboratory Field Methods: A National Training Workshop, December 24-28, 2001, Kathmandu, Nepal (Participant)
  • 2001 Community Based Approaches to Conservation of Medicinal and Aromatic Plants: A National Conference in Applied Ethnobotany, October 9-12, 2001, Pokhara, Nepal (Participant)

Advanced courses

  • 2007. Conservation Biology.
  • 2007. Course of Scientific Writing.
  • 2008. Methods in allozyme analyses.
  • 2008/09. Methods in population biology, Matrix modeling.
  • 2010. Pollination Biology.
  • 2010. Statistical analytical methods.

Brief scientometrics

Papers in international peer-reviewed journals with IF

Timsina, B.; Munzbergová, Z.; Kindlmann, P.; Bhattarai, B. P.; Shrestha, B.; Raskoti, B. B.; Rokaya, M. B. Associations between Epiphytic Orchids and Their Hosts and Future Perspectives of These in the Context of Global Warming. DIVERSITY-BASEL 2024(16): Article number 252, 2024

Sigdel S.R., Liang E., Rokaya M.B., Rai S., Dyola N., Sun J., Zhang L., Zhu H., Chettri N., Chaudhary R.P., Camarero J.J., Peñuelas J. 2023. Functional traits of a plant species fingerprint ecosystem productivity along broad elevational gradients in the Himalayas. Functional Ecology. 37(2): 383-394.

Adhikari, J.N. Bhattarai, B.P., Rokaya, M.B., Thapa T.B. 2022. Land use/land cover changes in the central part of the Chitwan Annapurna Landscape, Nepal. PeerJ 10, e13435.

Timsina, B., Kindlmann, P., Münzbergová, Z., Rokaya, M.B. 2021. Six-Year Demographic Study of the Terrestrial Orchid, Crepidium acuminatum: Implications for Conservation.Frontiers in Ecology and Evolution. 684.

Rokaya, M.B., Subedi,S. 2021. Rubus dorcheae (Rosaceae), a new species from central Nepal. Phytotaxa 511 (1), 65–70.

Dahal, N.M., Xiong, D., Neupane, N., Zhang, B., Liu, B., Yuan, Y., Fang, Y., Koirala S., Rokaya, M.B. 2021. Factors affecting maize, rice and wheat yields in the Koshi River Basin, Nepal. Journal of Agricultural Meteorology. D-20-00019. DOI: 10.2480/agrmet.D-20-00019

Ghimire A., Rokaya M. B., Timsina B., Bílá K., Shrestha U. B., Chalise M. K. and Kindlmann P. (2021) Diversity of birds recorded at different altitudes in central Nepal Himalayas. Ecological Indicators 127: 107730.

Dostálek T., Rokaya M.B. & Münzbergová Z. (2020) Plant palatability and trait responses to experimental warming. Sci Rep 10, 10526.

Münzbergová Z., Kosová V., Schnáblová R., Rokaya M., Synková H., Haisel D., Wilhelmová N. and Dostálek T. (2020) Plant Origin, but Not Phylogeny, Drive Species Ecophysiological Response to Projected Climate. Front. Plant Sci. 11:400. doi: 10.3389/fpls.2020.00400

Rokaya M.B., Parajuli B., Bhatta K.P., Timsina B. (2020) Neopicrorhiza scrophulariiflora (Pennell) Hong: A comprehensive review of its traditional uses, phytochemistry, pharmacology and safety. Journal of Ethnopharmacology 247, DOI: 10.1016/j.jep.2019.112250

Shrestha B.R., Timsina B., Münzbergová Z., Dostalek T., Gaudel P., Basnet T.B., Rokaya M.B. (2020) Butterfly-plant interactions and body size patterns along an elevational gradient in the Manang region of central Nepal. J. Mt. Sci. 17, 1115–1127 (2020). DOI: 10.1007/s11629-019-5381-3

Subedi C.K., Rokaya M.B., Münzbergová Z., Timsina B. et al. (2020) Vascular plant diversity along an elevational gradient in the Central Himalayas, western Nepal. Folia Geobot 55, 127–140. DOI: 10.1007/s12224-020-09370-8

Gaire N.P., Fan Z.-X., Shah S.K., Thapa U.K., Rokaya M.B. (2020) Tree-ring record of winter temperature from Humla, Karnali, in central Himalaya: a 229 years-long perspective for recent warming trend. Geografiska Annaler: Series A, Physical Geography 102(3): 297-316. DOI: 10.1080/04353676.2020.1751446

Rokaya M.B., Khatri-Chettri J., Ghimire S.R. et al. (2020) Vegetation and soil seedbank dynamics in Parthenium hysterophorus L. invaded subtropical grassland in Nepal. Tropical Ecology 61, 238–247. DOI: 10.1007/s42965-020-00085-7

Veselá A., Dostálek T., Rokaya M.B. et al. (2020) Seed mass and plant home site environment interact to determine alpine species germination patterns along an elevation gradient. Alpine Botany, DOI: 10.1007/s00035-020-00242-7

Adhikari J.N., Bhattarai B.P., Rokaya M.B., Thapa T.B. (2020) Ethno-medicinal uses of vertebrates in the Chitwan-Annapurna Landscape, central Nepal. PLoS ONE 15(10): e0240555.

Rokaya M.B., KasaJu S.K., Khadka B. (2020) Hoya polyneura (Apocynaceae) — An Addition to the Flora of Nepal. Journal of Japanese Botany 95(6): 354-357.

Timsina B., Kindlmann P., Rokaya M.B., Vrchotová N., Tříska J., Horník Š., Sýkora J. (2018) Xanthones Content in Swertia multicaulis D. Don from Nepal. Molecules, 3;23(5), pii: E1067. doi: 10.3390/molecules23051067

Dostálek T., Rokaya M.B., Münzbergová Z. (2018) Altitude, habitat type and herbivore damage interact in their effects on plant population dynamics. PLoS ONE, 13(12): e0209149.

Uprety Y., Shrestha U.B., Rokaya M.B. et al. (2017) Perceptions of climate change by highland communities in the Nepal Himalaya. Climate and Development, 1-13,

Rokaya M.B., Münzbergová Z. & Dostálek T. (2017) Sustainable harvesting strategy of medicinal plant species in Nepal – results of a six-year study. Folia Geobotanica, 1-14, doi:10.1007/s12224-017-9287-y.

Adhikari Y.P., Fischer A., Fischer H.S., Rokaya M.B., Bhattarai P. (2017) Diversity, composition and host-species relationships of epiphytic orchids and ferns in two forests in Nepal. Journal of Mountain Science, 14: 1065. doi:10.1007/s11629-016-4194-x.

Sigdel S.R., Rokaya M.B., Münzbergová Z., Liang E. (2017) Habitat Ecology of Ophiocordyceps sinensis in Western Nepal. Mountain Research and Development, 37 (2), 216-223.

Basnet T.B., Rokaya M.B., Bhattarai B.P., Münzbergová Z. (2016) Heterogeneous Landscapes on Steep Slopes at Low Altitudes as Hotspots of Bird Diversity in a Hilly Region of Nepal in the Central Himalayas. PLoS ONE 11(3): e0150498. doi:10.1371/journal.pone.0150498

Dostálek T., Rokaya M.B., Maršík P., Rezek J., Skuhrovec J., Pavela R, Münzbergová Z. (2016) Trade-off among different anti-herbivore defence strategies along an altitudinal gradient. AoB Plants 8:plw026. doi: 10.1093/aobpla/plw026.

Rokaya M.B., Dostálek T., Münzbergová Z. (2016) Plant-herbivore interactions along elevational gradient: Comparison of field and common garden data. Acta Oecologica 77: 168-175.

Timsina B., Rokaya M.B., Münzbergová Z., Kindlmann P., Shrestha B., Bhattarai B. & Raskoti B.B. (2016) Diversity distribution and host-species associations of epiphytic orchids in Nepal. Biodiversity and Conservation, 25, 2803-2819.

Rokaya M.B., Timsina B., Münzbergová Z. (2012) Effect of light, temperature and seed mass on germination of two species of the Himalayan rhubarb. Journal of Medicinal Plants Research 6(37): 5032-5037.  DOI: 10.5897/JMPR11.1419.

Rokaya M.B., Timsina B., Münzbergová Z., Bhattarai K.R. (2012) Rheum australe D. Don: A review of its botany, ethnobotany, phytochemistry and pharmacology. Journal of Ethnopharmacology 141: 761-774.

Rokaya M.B., Münzbergová Z., Shrestha M.R., Timsina B. (2012) Distribution Patterns of Medicinal Plants along an Elevational Gradient in Central Himalaya, Nepal. Journal of Mountain Science 9: 201-213.

Rokaya M.B., Marsik P., Münzbergová Z. (2011) Active constituents in Rheum acuminatum and Rheum australe (Polygonaceae) roots: A variation between cultivated and naturally growing plants. Biochemical Systematics and Ecology, 41: 83-90. 

Timsina B., Shrestha B.B, Rokaya M.B., Münzbergová Z. (2011) Impact of Parthenium hysterophorus L. invasion on plant species composition and soil properties of grassland communities in Nepal. Flora 206: 233–240.

Rokaya M.B., Münzbergová Z., Timsina B. (2010) Ethnobotanical study of medicinal plants from the Humla district of western Nepal. Journal of Ethnopharmacology 130: 485–504.


Other publications

Kathayat, G.; Selvido, D. I.; Skallevold, H. E.; Rokaya, M. B.; Bhattarai, B. P.; Marya, A.; Rokaya, D. Natural Oral Care and Herbal Products for Oral Diseases and Oral Hygiene Maintenance. In Durgesh Nandini Chauhan, D. N.; Prabhu Raj Singh, P. R.; Chauhan, N. S.; Shah, K. (Eds): PHARMACOLOGICAL STUDIES IN NATURAL ORAL CARE, p. 47-58. ISBN 9781394166268, 2023

Rokaya, M. B.; Bashyal, S.; Timsina, B. Phytochemistry and Ethnopharmacological Importance of Pistia stratiotes L. (Hemsl) A. Grey (Araceae). In Archana , B.; Rakesh , K. B.; Azamal , H. (Eds): Aquatic Medicinal Plants, p. 133-161. ISBN 9781003256830, 2023

Sigdel S.R., Rokaya M.B. (2011) Utilization of plant resources in Dang district, West Nepal. Banko Janakari 21: 45-52.

Acharya K.P., Rokaya M.B. (2010) Medicinal Orchids of Nepal: Are They Well Protected? Our Nature 8: 82-91.

Rokaya M.B. (2006) Systematics of Nepalese Genus Clerodendrum L., Botanica Orientalis, 5.

Shrestha M.R., Rokaya M.B., Ghimire S.K. (2006) Checklist of trans-Himalayan dicot flora of northwest Nepal: Dolpo and its surroundings. Scientific World: 4: 84-95.

Rokaya M.B., Shrestha M. R., Ghimire S.K. (2005) Ethnoecology of natural environment in trans-Himalayan region of west Nepal. Banko Jankari 15: 33-38.

Shrestha M.R., Rokaya M.B., Ghimire, S.K. (2005) Vegetation patterns of trans-Himalayan zone in the north west Nepal. Nepal Journal of Plant Sciences 1: 129-135.

Acharya K.P., Rokaya M.B. (2005) Ethnobotanical survey of medicinal plants traded in the streets of Kathmandu valley. Scientific world 3: 44-48.

Rokaya M.B., Ghimire S.K. (2004) Vegetation analysis of medicinal plants in Dho-Tarap area of upper Dolpo, mid-western Nepal. Botanica Orientalis 4:46-50.

Rokaya M.B., Ghimire, S.K. (2003) Phytogeography of medicinal plants in Dho-Tarap area in upper Dolpo, Botanica Orientalis 3: 128-132.

Rokaya M.B., Ghimire S.K. (2006) Ethnobotany and conservation status of highly used medicinal plants in Dho-Tarap, upper Dolpa, west Nepal. Proceeding of fourth conference on Science and Technology, pp. 752-760.

Rokaya M.B., Kurungang N., Ghimire S.K. (2005) Local use and conservation status of medicinal plants in upper Dolpo, Nepal. In:  Himalayan medicinal and Aromatic plants, Balancing use and Conservation. pp. 511-513.