In the present study various phytosociological attributes like frequency, density and abundence of woody vegetation were analysed along the disturbance gradient in tropical dry deciduous forest of Hastinapur region of North west Uttar Pradesh, India. Three sites were analysed for floristic composition, distribution pattern, species diversity and dominance (i.e. Hillock,Block-1 and Block-2)Hillock was highly disturbed, while Block-1 and Block-2 were moderately and least disturbed sites respectively. Maximum number of tree, seedlings and saplings were recorded for Block-2 and minimum for Hillock. Number of shrub species was maximum on Hillockbecause of open forest canopy due to disturbances, which provide favourable conditions for growth of shrubs and other weeds. Most of species except shrubs were regular followed by random in distribution pattern. The value of CD and H’for trees 0.01 on Block-1 to 0.035 on Hillock and 0.00 on Block-2 to 0.014 on Hillock respectively. These low values clearly indicate aridity of the area and habitat destruction. Phytosociological study of this area indicates that there is an urgent requirement of conservation practices
Biotic disturbances, Plant species, Phytosociological attributes, Species diversity
Bajpai ,O., Kumar A., Mishra A.K.,Sahu N.,Pandey J., Behera S.K., and Chaudhry L.B. (2012). Recongregation of tree species of katerniaghat wild life Sanctury Uttar Pradesh, India. Journal of Biodiversity and Environmental Science, 2(12): 24-40.
Bhat J.A. 2012. Diversity of flora along an altitudinal gradient in Kedarnath Wildlife Sanctuary. PhD thesis. Garhwal, Uttarakhand: HNB Garhwal University Srinagar.
Curtis,J.T. and G.Cottam(1956) Plant Ecology Work Book-Laborataryfeild reference manual. Burgess publishing Co.,Minnesota.PP-163.
Curtis, J.T. and R.P. McIntosh (1950). The interrelationship of certain analytic and synthetic phytosociological characters.Ecology,31:434-455
Gairola S. 2010. Phytodiversity (angiosperms and gymnosperms) in Mandal-Chopta forest of Garhwal Himalaya, Uttarakhand, India. PhD thesis. Garhwal, Uttarakhand:HNB Garhwal University Srinagar.
Gairola S, Sharma CM, Suyal S, et al. ( 2011). Species composition and diversity in midaltitudinal moist temperate forests of the Western Himalaya. Journal of Fores Science 27:1e15.
Khan, M.S, Aftab,Z.Syed A.,Nawab,O.,Iliyas & A.Khan.(2013). Composition and conservation status of avian species at Hastinapur wild life Sanctury Uttar Pradesh India. Journal of Threatned taxa. 5 (12) : 4714-4721.
Knight, D.H.(1975). A phytosociological analysis of species rich tropical forest on Barro coloredo Island Panama.Ecol.Monogr.,45:259-284.
Malik ZA, Hussain A, Iqbal K, et al. 2014. Species richness and diversity along the disturbance gradient in Kedarnath Wildlife Sanctuary and its adjoining areas in GarhwalHimalaya, India. International Journal of Current Research 6:10918e
Malik ZA, Bhatt AB. 2015. Phytosociological analysis of woody species in Kedarnath Wildlife Sanctuary and its adjoining areas inWestern Himalaya, India. Journal of Forest and Environmental Science 31:149e163.
May,R.M.(1971). Stability in multispecies community models. Mathematical Biosciences,12:59-79.
Misra,R. (1968).Ecology Workbook. Oxford & IBH publishing Co.,Calcutta.
Muller-Dombois,D. And E.Ellenberg (1974).Aims and method of plant Eecology. John Wiley &Sons,New York
Odum,E.P. (1971) Fundamentals of Ecology (3rdedn.)W.B. Saunders Co., Philadelphia.
Pandey,A.N. and J.S.Singh (1985).Mechanism of ecosystem recovery. A case study from KumaunHimalaya.Reclamation and Revegetation Res.,31: 271-292.
Phillips, E.A. (1959). Methods of vegetation Study.Henery Holt and Co. Inc., New York.pp.107
Raturi GP. 2012. Forest community structure along an altitudinal gradient of district Rudraprayag of Garhwal Himalaya, India. Ecologia 3:76e84.
Rikhari,H.C., B.S.Adhikari and Y.S.Rawat (1997). J.Trop.For.Sci., 102 (2):197-211.
Shannon,C.E. and w.weiner (1963) The Mathematical theory of communication. Univ.Illinoispress,Urbana,III.
Shahid M. and Joshi SP.,(2016) pytosociological assessement and distribution pattern of tree species in forest of doon valley shivalik Hills of lower Himalaya.Tropical Plant research 3(2), 263-271.
Simpson,E.H.(1949).Measurment of diversty.Nature,163:688
Singh D. 2013. Forest structure, diversity, growing stock variation and regeneration status of different forest cover types in Dudatoli area of Garhwal Himalaya. Ph.D. thesis. Uttarakhand: HNB Garhwal University Srinagar Garhwal
Suyal, S. (2011). Phytodiversity (angiosperms and gymnosperms) in Chaurangikhal forest of Garhwal Himalaya, Uttarakhand, India. PhD thesis. Garhwal, Uttarakhand: HNB Garhwal University Srinagar.
Whiteford, E. P.( 1949). Quantitative and Dynamic Plant Ecology. Edward Arnold Ltd, London, pp. 308.
Whittaker,R.H.(1975).Communication and Ecosystems (2ndedn.).Macmillan publishing Co., New York.pp.385.
Whittaker,R.H.(1965). Dominance and diversity in land plant communities.Science,147:250-260.
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