Tree species composition and diversity in relation to anthropogenic disturbances in broad-leaved forests of Bhutan

References

• Beck M. 2011. Economic analysis of timber production from community forests and forest management units. Three case studies from central and eastern Bhutan [ MSc thesis]. Zurich: ETH Zurich.
   Google Scholar
• Bengtsson J, Nilsson SG, Franc A, Menozzi P. 2000. Biodiversity, disturbances, ecosystem function and management of European forests. For Ecol Manage. 132:39–50.
   Web of Science ®Google Scholar
• Bhat D, Naik M, Patagar S, Hegde G, Kanade Y, Hegde G, Shastri C, Shetti D, Furtado R. 2000. Forest dynamics in tropical rain forests of Uttara Kannada district in Western Ghats, India. Curr Sci. 79:975–985.
   Web of Science ®Google Scholar
• Bhuyan P, Khan M, Tripathi R. 2003. Tree diversity and population structure in undisturbed and human-impacted stands of tropical wet evergreen forest in Arunachal Pradesh, Eastern Himalayas, India. Biodivers Conserv. 12:1753–1773.
   Web of Science ®Google Scholar
• Bretz F, Hothorn T, Westfall P. 2010. Multiple comparisons using R. Boca Raton (FL): Chapman & Hall/CRC,Taylor & Francis Group.
   Google Scholar
• Buffum B, Gratzer G, Tenzin Y. 2008. The sustainability of selection cutting in a late successional broadleaved community forest in Bhutan. For Ecol Manage. 256:2084–2091.
   Web of Science ®Google Scholar
• Buffum B, Gratzer G, Tenzin Y. 2009. Forest grazing and natural regeneration in a late successional broadleaved community forest in Bhutan. Mt Res Dev. 29:30–35.
   Google Scholar
• Cannon CH, Peart DR, Leighton M. 1998. Tree species diversity in commercially logged Bornean rainforest. Science. 281:1366–1368.
   PubMed Web of Science ®Google Scholar
• Carpenter C. 2005. The environmental control of plant species density on a Himalayan elevation gradient. J Biogeogr. 32:999–1018.
   Web of Science ®Google Scholar
• Chazdon RL. 2003. Tropical forest recovery: legacies of human impact and natural disturbances. Perspect Plant Ecol Evol Syst. 6:51–71.
   Web of Science ®Google Scholar
• Chhetri B, Schmidt K, Gilmour D. 2009. Community forestry in Bhutan-exploring opportunities and facing challenges. Community Forestry International Workshop; Pokhara, Nepal.
   Google Scholar
• Connell JH. 1978. Diversity in tropical rain forests and coral reefs. Science. 199:1302–1310.
   PubMed Web of Science ®Google Scholar
• Covey K, Carroll CJW, Duguid MC, Dorji K, Dorji T, Tashi S, Wangdi T, Ashton M. 2015. Developmental dynamics following selective logging of an evergreen oak forest in the Eastern Himalaya, Bhutan: structure, composition, and spatial pattern. For Ecol Manage. 336:163–173.
   Web of Science ®Google Scholar
• Dale VH, Joyce LA, McNulty S, Neilson RP. 2000. The interplay between climate change, forests, and disturbances. Sci Total Environ. 262:201–204.
   PubMed Web of Science ®Google Scholar
• Davidson J. 2000. Ecology and management of broadleaved forests of eastern Bhutan. Khangma (Bhutan): Third Forestry Development Project, Department of Forestry Services, Ministry of Agriculture, Royal Government of Bhutan.
   Google Scholar
• Dhital DB. 2009. Bhutan forestry outlook study. Bangkok (Thailand): Food and Agriculture Orgazination of the United Nations Regional Office for Asia and the Pacific.
   Google Scholar
• DoFPS. 2013. Forestry: facts and figures 2013. Thimphu (Bhutan): Department of Forests & Park Services, Ministry of Agriculture & Forests, Royal Government of Bhutan.
   Google Scholar
• DoFPS. 2014. Forestry statistics 2014. Thimphu (Bhutan): Department of Forests & Park Services, Ministry of Agriculture & Forests, Royal Government of Bhutan.
   Google Scholar
• Drapeau P, Leduc A, Giroux J-F, Savard J-PL, Bergeron Y, Vickery WL. 2000. Landscape-scale disturbances and changes in bird communities of boreal mixed-wood forests. Ecol Monogr. 70:423–444.
   Web of Science ®Google Scholar
• Franklin JF, Lindenmayer D, MacMahon JA, McKee A, Magnuson J, Perry DA, Waide R, Foster D. 2000. Threads of continuity. Conserv Biol Pract. 1:8–17.
   Google Scholar
• Franklin JF, Spies TA, Pelt R, Carey AB, Thornburgh DA, Berg DR, Lindenmayer DB, Harmon ME, Keeton WS, Shaw DC, et al. 2002. Disturbances and structural development of natural forest ecosystems with silvicultural implications, using Douglas-fir forests as an example. For Ecol Manage. 155:399–423.
   Web of Science ®Google Scholar
• FRDD. 2005a. Forest management plan for wangdigang forest management unit (2005-2015). Thimphu (Bhutan): Department of Forests, Ministry of Agriculture, Royal Government of Bhutan.
   Google Scholar
• FRDD. 2005b. Management of forest areas outside FMU systems-planning guidelines. Thimphu (Bhutan): Department of Forests, Ministry of Agriculture, Royal Government of Bhutan; p. 66.
   Google Scholar
• FRDD. 2005c. Volume table of Bhutan. Thimphu (Bhutan): Department of Forests, Ministry of Agriculture, Royal Government of Bhutan.
   Google Scholar
• FRDD. 2006. Management plan for Korila forest management unit (2006-2016). Thimphu (Bhutan): Department of Forests, Ministry of Agriculture, Royal Government of Bhutan.
   Google Scholar
• FRDD. 2008. Management plan for Lingmethang forest management unit (2008-2018). Thimphu: Deparment of Forests, Ministry of Agriculture, Royal Government of Bhutan.
   Google Scholar
• FRDS. 1996. Proceedings of the fifth workshop on implementation of forest management plans. Thimphu: Forest Resources Development Section, Forestry Services Division, Ministry of Agriculture, Royal Government of Bhutan.
   Google Scholar
• FRDS. 1997. Workshop on forest management planning and draft forest and nature conservation rules and regulations. Thimphu: Forest Resources Development Section, Forestry Services Division, Ministry of Agriculture, Royal Government of Bhutan.
   Google Scholar
• Fredericksen TS, Mostacedo B. 2000. Regeneration of timber species following selection logging in a Bolivian tropical dry forest. For Ecol Manage. 131:47–55.
   Web of Science ®Google Scholar
• FRMD. 2012. National forest inventory field manual. Thimphu (Bhutan): Department of Forests & Park Services, Ministry of Agriculture & Forests, Royal Government of Bhutan.
   Google Scholar
• FRMD. 2013. Forest resources potential assessment of Bhutan 2013. Thimphu (Bhutan): Department of Forest & Park Services, Ministry of Agriculture & Forests, Royal Government of Bhutan; p. 23.
   Google Scholar
• FSI. 1996. Volume equations for forests of India, Nepal and Bhutan. Dehradun (India): Ministry of Environment and Forests, Govt. of India.
   Google Scholar
• Führer E. 2000. Forest functions, ecosystem stability and management. For Ecol Manage. 132:29–38.
   Web of Science ®Google Scholar
• Gratzer G, Rai PB. 2004. Density-dependent mortality versus spatial segregation in early life stages of Abies densa and Rhododendron hodgsonii in Central Bhutan. For Ecol Manage. 192:143–159.
   Web of Science ®Google Scholar
• Gratzer G, Rai PB, Schieler K. 2002. Structure and regeneration dynamics of Abies densa forests in central Bhutan. Aust J For Sci. 119:279–288.
   Google Scholar
• Grierson AJC, Long DG. 1983. Flora of Bhutan vol 1. Part 1. Edinburgh (UK): Royal Botanical Garden Edinburgh.
   Google Scholar
• Haddad NM, Brudvig LA, Clobert J, Davies KF, Gonzalez A, Holt RD, Lovejoy TE, Sexton JO, Austin MP, Collins CD, et al. 2015. Habitat fragmentation and its lasting impact on Earth’s ecosystems. Sci Adv. 1:e1500052.
   PubMed Web of Science ®Google Scholar
• Hall JS, Harris DJ, Medjibe V, Ashton PMS. 2003. The effects of selective logging on forest structure and tree species composition in a Central African forest: implications for management of conservation areas. For Ecol Manage. 183:249–264.
   Web of Science ®Google Scholar
• Hanewinkel M, Breidenbach J, Neeff T, Kublin E. 2008. Seventy-seven years of natural disturbances in a mountain forest area-the influence of storm, snow, and insect damage analysed with a long-term time series. Can J For Res. 38:2249–2261.
   Web of Science ®Google Scholar
• Hasenauer H, Petritsch R, Zhao M, Boisvenue C, Running SW. 2012. Reconciling satellite with ground data to estimate forest productivity at national scales. For Ecol Manage. 276:196–208.
   Web of Science ®Google Scholar
• Hillebrand H, Bennett DM, Cadotte MW. 2008. Consequences of dominance: a review of evenness effects on local and regional ecosystem processes. Ecology. 89:1510–1520.
   PubMed Web of Science ®Google Scholar
• Hitimana J, Kiyiapi JL, Njunge JT. 2004. Forest structure characteristics in disturbed and undisturbed sites of Mt. Elgon Moist Lower Montane Forest, western Kenya. For Ecol Manage. 194:269–291.
   Web of Science ®Google Scholar
• Hiura T, Sano J, Konno Y. 1996. Age structure and response to fine-scale disturbances of Abies sachalinensis, Picea jezoensis, Picea glehnii, and Betula ermanii growing under the influence of a dwarf bamboo understory in northern Japan. Can J For Res. 26:289–297.
   Web of Science ®Google Scholar
• Husch B, Beers TW, Kershaw Jr JA. 2002. Forest mensuration. New York (NY): John Wiley & Sons.
   Google Scholar
• Hussain MS, Sultana A, Khan JA, Khan A. 2008. Species composition and community structure of forest stands in Kumaon Himalaya, Uttarakhand, India. Trop Ecol. 49:167.
   Google Scholar
• Joshi A, Yadava AK. 2015. Effect of anthropogenic disturbances on plant diversity in Oak dominated forests of Nainital, Kumaun Himalaya, India. N Y Sci J. 8:22–27.
   Google Scholar
• Kariuki M, Kooyman RM, Smith RGB, Wardell-Johnson G, Vanclay JK. 2006. Regeneration changes in tree species abundance, diversity and structure in logged and unlogged subtropical rainforest over a 36-year period. For Ecol Manage. 236:162–176.
   Web of Science ®Google Scholar
• Khan M, Rai J, Tripathi R. 1987. Population structure of some tree species in disturbed and protected subtropical forests of north-east India. Acta Oecol-Oec Appl. 8:247–255.
   Web of Science ®Google Scholar
• Kumar A, Ram J. 2005. Anthropogenic disturbances and plant biodiversity in forests of Uttaranchal, central Himalaya. Biodivers Conserv. 14:309–331.
   Web of Science ®Google Scholar
• Kumar S, Sharma S. 2014. Diversity, disturbance and regeneration status of forests along an altitudinal gradient in Paddar Valley, Northwest Himalayas. Indian For. 140:348–353.
   Google Scholar
• Laumans P. 1994. Height-diameter functions from PIS for country level site classification and local volume table selection. Working Document No.11(FO: DP/BHU/911002). Thimphu (Bhutan): UNDP/FAO Forest Resources Management and Institutional Development Project, Deparment of Forestry, Ministry of Agriculture, Royal Government of Bhutan.
   Google Scholar
• Lorimer CG, White AS. 2003. Scale and frequency of natural disturbances in the northeastern US: implications for early successional forest habitats and regional age distributions. For Ecol Manage. 185:41–64.
   Web of Science ®Google Scholar
• Magnusson WE, de Lima OP, Reis FQ, Higuchi N, Ramos JF. 1999. Logging activity and tree regeneration in an Amazonian forest. For Ecol Manage. 113:67–74.
   Web of Science ®Google Scholar
• Masaki T, Tanaka H, Tanouchi H, Sakai T, Nakashizuka T. 1999. Structure, dynamics and disturbance regime of temperate broad-leaved forests in Japan. J Veg Sci. 10:805–814.
   Web of Science ®Google Scholar
• McKinney ML. 2002. Urbanization, biodiversity, and conservation the impacts of urbanization on native species are poorly studied, but educating a highly urbanized human population about these impacts can greatly improve species conservation in all ecosystems. Bioscience. 52:883–890.
   Web of Science ®Google Scholar
• Mitchell RJ, Palik BJ, Hunter ML. 2002. Natural disturbance as a guide to silviculture. For Ecol Manage. 155:315–317.
   Web of Science ®Google Scholar
• MoAF. 2010. Bhutan land cover assessment 2010 (LCMP 2010). Thimphu: Ministry of Agriculture & Forests, Royal Government of Bhutan; p. 35.
   Google Scholar
• Moktan MR, Gratzer G, Richards WH, Rai TB, Dukpa D. 2009a. Regeneration and structure of mixed conifer forests under single-tree harvest management in the western Bhutan Himalayas. For Ecol Manage. 258:243–255.
   Web of Science ®Google Scholar
• Moktan MR, Gratzer G, Richards WH, Rai TB, Dukpa D, Tenzin K. 2009b. Regeneration of mixed conifer forests under group tree selection harvest management in western Bhutan Himalayas. For Ecol Manage. 257:2121–2132.
   Web of Science ®Google Scholar
• Murali K, Setty SR. 2001. Effect of weeds Lantana camara and Chromelina odorata growth on the species diversity, regeneration and stem density of tree and shrub layer in BRT sanctuary. Curr Sci. 80:675–678.
   Web of Science ®Google Scholar
• Nagendra H. 2007. Drivers of reforestation in human-dominated forests. Proc Natl Acad Sci. 104:15218–15223.
   PubMed Web of Science ®Google Scholar
• Nagendra H. 2009. Drivers of regrowth in South Asia’s human impacted forests. Curr Sci. 97:1586–1592.
   Web of Science ®Google Scholar
• Nagendra H, Pareeth S, Sharma B, Schweik CM, Adhikari KR. 2008. Forest fragmentation and regrowth in an institutional mosaic of community, government and private ownership in Nepal. Landscape Ecol. 23:41–54.
   Web of Science ®Google Scholar
• Norbu L. 2002. Grazing management in Broadleaf Forests. J Bhutan Stud. 7:99–129.
   Google Scholar
• NSB. 2005. Population and housing census of Bhutan. Thimphu: National Statistical Bureau, Royal Government of Bhutan.
   Google Scholar
• NSB. 2014. Bhutan poverty assessment 2014. Thimphu: National Statistics Bureau, Royal Government of Bhutan; p. 130.
   Google Scholar
• Ohsawa M. 1987. Life zone ecology of the Bhutan Himalaya I. Chiba (Japan): Chiba University.
   Google Scholar
• Ohsawa M. 1991. Life zone ecology of Bhutan Himalaya II. Chiba (Japan): Chiba University.
   Google Scholar
• Ohsawa M. 2002. Life zone ecology of Bhutan Himalaya III. Chiba (Japan): Chiba University.
   Google Scholar
• Oliver CD, Larson BC. 1996. Forest stand dynamics. 1st ed. New York (NY): McGraw Hill.
   Google Scholar
• Onaindia M, Dominguez I, Albizu I, Garbisu C, Amezaga I. 2004. Vegetation diversity and vertical structure as indicators of forest disturbance. For Ecol Manage. 195:341–354.
   Web of Science ®Google Scholar
• Paillet Y, Bergès L, Hjältén J, Ódor P, Avon C, Bernhardt‐Römermann M, Bijlsma RJ, De Bruyn L, Fuhr M, Grandin U, et al. 2010. Biodiversity differences between managed and unmanaged forests: meta‐analysis of species richness in Europe. Conserv Biol. 24:101–112.
   PubMed Web of Science ®Google Scholar
• Pedro MS, Rammer W, Seidl R. 2015. Tree species diversity mitigates disturbance impacts on the forest carbon cycle. Oecologia. 177:619–630.
   PubMed Web of Science ®Google Scholar
• Pelissier R, Pascal J-P, Houllier F, Laborde H. 1998. Impact of selective logging on the dynamics of a low elevation dense moist evergreen forest in the Western Ghats (South India). For Ecol Manage. 105:107–119.
   Web of Science ®Google Scholar
• Peltzer DA, Bast ML, Wilson SD, Gerry AK. 2000. Plant diversity and tree responses following contrasting disturbances in boreal forest. For Ecol Manage. 127:191–203.
   Web of Science ®Google Scholar
• Pereira HM, Leadley PW, Proença V, Alkemade R, Scharlemann JP, Fernandez-Manjarrés JF, Araújo MB, Balvanera P, Biggs R, Cheung WW, et al. 2010. Scenarios for global biodiversity in the 21st century. Science. 330:1496–1501.
   PubMed Web of Science ®Google Scholar
• Persha L, Fischer H, Chhatre A, Agrawal A, Benson C. 2010. Biodiversity conservation and livelihoods in human-dominated landscapes: forest commons in South Asia. Biol Conserv. 143:2918–2925.
   Web of Science ®Google Scholar
• Pielou EC. 1969. An introduction to mathematical ecology. New York: Wiley-Interscience; p. 286.
   Google Scholar
• Pohlert T. 2014. The pairwise multiple comparison of mean ranks package (PMCMR) [Internet]. R package. Available from: http://CRAN.R-project.org/package=PMCMR
   Google Scholar
• Porter-Bolland L, Ellis EA, Guariguata MR, Ruiz-Mallén I, Negrete-Yankelevich S, Reyes-García V. 2012. Community managed forests and forest protected areas: an assessment of their conservation effectiveness across the tropics. For Ecol Manage. 268:6–17.
   Web of Science ®Google Scholar
• R Core Team. 2015. R: a language and environment for statistical computing. Vienna (Austria): R Foundation for Statistical Computing.
   Google Scholar
• Rahman M, Nishat A, Vacik H. 2009. Anthropogenic disturbances and plant diversity of the Madhupur Sal forests (Shorea robusta CF Gaertn) of Bangladesh. Int J Biodiv Sci Manage. 5:162–173.
   Google Scholar
• Rands MR, Adams WM, Bennun L, Butchart SH, Clements A, Coomes D, Entwistle A, Hodge I, Kapos V, Scharlemann JP, et al. 2010. Biodiversity conservation: challenges beyond 2010. Science. 329:1298–1303.
   PubMed Web of Science ®Google Scholar
• Roder W, Gratzer G, Wangdi K. 2002. Cattle grazing in the Conifer forests of Bhutan. Mt Res Dev. 22:1–7.
   Web of Science ®Google Scholar
• Sagar R, Raghubanshi A, Singh J. 2003. Tree species composition, dispersion and diversity along a disturbance gradient in a dry tropical forest region of India. For Ecol Manage. 186:61–71.
   Web of Science ®Google Scholar
• Schweitzer CJ, Dey DC. 2011. Forest structure, composition, and tree diversity response to a gradient of regeneration harvests in the mid-Cumberland Plateau escarpment region, USA. For Ecol Manage. 262:1729–1741.
   Web of Science ®Google Scholar
• Seidl R, Fernandes PM, Fonseca TF, Gillet F, Jönsson AM, Merganičová K, Netherer S, Arpaci A, Bontemps J-D, Bugmann H, et al. 2011. Modelling natural disturbances in forest ecosystems: a review. Ecol Model. 222:903–924.
   Web of Science ®Google Scholar
• Semwal DP, Uniyal PL, Bhatt AB. 2010. Structure, composition and dominance–diversity relations in three forest types of a part of Kedarnath Wildlife Sanctuary, Central Himalaya, India. Not Sci Biol. 2:128–132.
   Google Scholar
• Shannon CE, Weaver W. 1949. The mathematical theory of communication. Urbana: University of Illinois Press; 117pp.
   Google Scholar
• Sharma C, Suyal S, Gairola S, Ghildiyal S. 2009. Species richness and diversity along an altitudinal gradient in moist temperate forest of Garhwal Himalaya. J Am Sci. 5:119–128.
   Google Scholar
• Shrestha KB, Måren IE, Arneberg E, Sah JP, Vetaas OR. 2013. Effect of anthropogenic disturbance on plant species diversity in oak forests in Nepal, Central Himalaya. Int J Biodivers Sci Ecosyst Serv Manage. 9:21–29.
   Google Scholar
• Simpson EH. 1949. Measurement of diversity. Nature. 163:688.
   Web of Science ®Google Scholar
• Singh J, Singh S. 1987. Forest vegetation of the Himalaya. Bot Rev. 53:80–192.
   Web of Science ®Google Scholar
• Spellerberg IF, Fedor PJ. 2003. A tribute to Claude Shannon (1916–2001) and a plea for more rigorous use of species richness, species diversity and the ‘Shannon–Wiener’Index. Global Ecol Biogeogr. 12:177–179.
   Google Scholar
• Sundriyal R, Sharma E. 1996. Anthropogenic pressure on tree structure and biomass in the temperate forest of Mamlay watershed in Sikkim. For Ecol Manage. 81:113–134.
   Web of Science ®Google Scholar
• Sunil C, Somashekar R, Nagaraja B. 2011. Impact of anthropogenic disturbances on riparian forest ecology and ecosystem services in Southern India. Int J Biodivers Sci Ecosyst Serv Manage. 7:273–282.
   Google Scholar
• Tashi S. 2004. Regeneration of Quercus semecarpifolia Sm. in an old growth oak forest under Gidakom FMU - Bhutan. Department of Forestry. Wageningen (Netherlands): Wageningen University, p. 58.
   Google Scholar
• Thom D, Seidl R. 2015. Natural disturbance impacts on ecosystem services and biodiversity in temperate and boreal forests. Biol Rev. doi:10.1111/brv.12193
   PubMed Web of Science ®Google Scholar
• Ulanova NG. 2000. The effects of windthrow on forests at different spatial scales: a review. For Ecol Manage. 135:155–167.
   Web of Science ®Google Scholar
• Van Ijssel W. 1990. The effect of grazing and seedbed type on forest regeneration under two silvicultural systems in a mixed broadleaf forest, Gedu. Tsenden. 3:32–44.
   Google Scholar
• Veblen TT. 1992. Regeneration dynamics. In: Glenn-Lewin DC, Peet RK, Veblen TT, editors. Plant succession: theory and prediction. London: Chapman & Hall; p. 152–187.
   Google Scholar
• Vetaas OR. 1993. Spatial and temporal vegetation changes along a moisture gradient in northeastern Sudan. Biotropica. 25:164–175.
   Web of Science ®Google Scholar
• Waiba TN. 2015. Evaluation of old and recently built farm roads in the selected watershed of Bhutan-an evaluation from the prospective of assessing environmental impacts. Vienna (Austria): Department of Forest and Soil Sciences BOKU University.
   Google Scholar
• Wangchuk K, Darabant A, Rai PB, Wurzinger M, Zollitsch W, Gratzer G. 2014. Species richness, diversity and density of understory vegetation along disturbance gradients in the Himalayan conifer forest. J Mt Sci. 11:1182–1191.
   Web of Science ®Google Scholar
• Wangda P, Ohsawa M. 2002. Transition of forest structure and environmental conditions along the altitudinal gradient in a dry valley, upper Lobesa, Bhutan. IUCN/WCPA-EA-4 Taipei Conference; Taipei, Taiwan; p. 8.
   Google Scholar
• Wangda P, Ohsawa M. 2006a. Structure and regeneration dynamics of dominant tree species along altitudinal gradient in a dry valley slopes of the Bhutan Himalaya. For Ecol Manage. 230:136–150.
   Web of Science ®Google Scholar
• Wangda P, Ohsawa M. 2006b. Gradational forest change along the climatically dry valley slopes of Bhutan in the midst of humid eastern Himalaya. Plant Ecol. 186:109–128.
   Web of Science ®Google Scholar
• Wangda P, Tashi S, Norbu L, Gyaltshen D. 2009. Change in forest structure and diversity after the human disturbances in the cool montane evergreen broad-leaved forest. J Renew Nat Resour Bhutan. 5:55–67.
   Google Scholar
• Watkins RZ, Chen J, Pickens J, Brosofske KD. 2003. Effects of forest roads on understory plants in a managed hardwood landscape. Conserv Biol. 17:411–419.
   Web of Science ®Google Scholar
• Webb EL, Sah RN. 2003. Structure and diversity of natural and managed sal (Shorea robusta Gaertn. f.) forest in the Terai of Nepal. For Ecol Manage. 176:337–353.
   Web of Science ®Google Scholar
• WMD. 2013. REDD+ readiness preparation proposal. Thimphu (Bhutan): Department of Forests & Park Services, Ministry of Agriculture & Forests, Royal Government of Bhutan; p. 159.
   Google Scholar
• WMD. 2015. Watershed Management Plan: Watershed 144a, Dagachhu sub-basin, Punatsangchhu basin (Draft Plan). Department of Forests&Park Services, MoAF, Royal Government of Bhutan, Unpublished.
   Google Scholar