Floristic and Structure of the Herbaceous Vegetation of Four Recovering Forest Stands in the Eastern Ghats of India
First Online: 13 June 2005 Received: 06 April 2004 Accepted: 27 December 2004 DOI:
Cite this article as: Behera, S.K. & Misra, M.K. Biodivers Conserv (2006) 15: 2263. doi:10.1007/s10531-004-8215-7 Abstract
Floral composition and structural parameters of the herbaceous vegetation of four recovering tropical dry deciduous forest stands protected for 2, 4, 6 and 10-year periods, on the Eastern Ghats of India, situated at Kandhamal district of Orissa, India were investigated. More than 1 ha of recovering forest stands of each of the four stages was selected and fifteen sample quadrats of 1 m × 1 m were randomly placed at each stand for vegetation analysis. Floristic analysis revealed highest number of species (69) in 2-year recovering stand, which declined with increase in age. A total of 87 species, 71 genera and 32 families were recorded in the forest stands. Total number of herbaceous species encountered in the stands was 44, 28, 30 and 24 in 2, 4, 6 and 10-year stands, respectively. Total individuals of all herb species were 114, 70, 88 and 68 plant m
−2 in 2, 4, 6 and 10-year stands, respectively. Herbaceous stand basal areas were 7.84, 3.66, 4.77 and 5.23 cm 2 m −2 in 2, 4, 6, and 10-year stands, respectively. Importance value index (IVI) revealed that Heteropogon contortus was predominant in 2 and 4-year stands, Andrographis paniculatus in 6-year stand and Elephantopus scaber in 10-year stand. Diversity-dominance curve revealed lognormal distribution in all the four stands. Simpson’s dominance index (C) was highest in 2-year stand which decreased in other stands, while Shannon’s diversity index ( H 1) was almost the same in all the stands. Biomass of herbaceous vegetation was 83.2 g m −2 in 2 year, 62.2 g m −2 in 4 year, 58.0 g m −2 in 6 year and 64.0 g m −2 in 10-year stand. Keywords Diversity index Dominance index Eastern Ghats Floristic composition Herb Importance value index Recovering forest Similarity index References Behera, S.K. 2003Ecological studies on the regenerating sal forest of Eastern Ghats (Kandhamal district), Orissa Berhampur University Berhampur, India 123 Google Scholar Cottam, G., Curtis, J.T. 1956 The use of distance measures in phytosociology sampling Ecology 37 451 460 CrossRef Google Scholar Devi, U., Behera, N. 2003 Assessment of plant diversity in response to forest degradation in a tropical dry deciduous forest of Eastern Ghats in India J. Trop. Forest Sci. 15 147 163 Google Scholar Edward, L.W., Sah, R.N. 2003 Structure and diversity of natural and managed sal ( Shorea robusta Gaertn. f.) forest in the Terai of Nepal Forest Ecol. Manage. 176 337 353 CrossRef Google Scholar Garkoti, S.C., Singh, S.P. 1997 Structure and function of herbaceous vegetation in high mountains of central Himalaya Trop. Ecol. 38 153 156 Google Scholar Gupta, O.P., Shukla, R.P. 1991 The composition and dynamics of associated plant communities of sal plantations Trop. Ecol. 32 296 309 Google Scholar
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