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Composition and Structure of Himalayan Oak (Quercus leucotrichophora A. Camus) Forest under Various Degrees of Disturbance

  • Prasad, Sunil (Centre for Ecology Development and Research (CEDAR)) ;
  • Uniyal, Pooja (Department of Forestry, H.N.B. Garhwal University Srinagar Garhwal) ;
  • Chauhan, D.S. (Department of Forestry, H.N.B. Garhwal University Srinagar Garhwal)
  • 투고 : 2013.10.30
  • 심사 : 2015.02.04
  • 발행 : 2015.02.28

초록

Forest disturbance sometime considered as a tool of management as it believed that mid level disturbance constructs better micro-climatic conditions which ultimately boost up the plant diversity. The effect of different levels of disturbance on species composition and regeneration is very important. Present attempt was carried out in a temperate evergreen oak forest which was under various degree of disturbance. The study area is one of the large ranges of oak forest in Garhwal Himalaya and compensating various types of daily needs of local people. On the basis of IVI values Quercus leucotrichophora holds first position in all the disturbance zones whereas Myrica esculenta upgraded it's rank in highly disturbed zone and showed less impacted species by disturbance. Berberis aristata and Eupatorium adenophorum in shrub layer and Anaphalis adnata and Bidens pilosa in herb layer were found as disturbance friendly species because they attained higher rank in highly disturbed zone whereas Caryopteris foetida was found disturbance-sensitive in shrub layer. The banj oak regenerated well under mid disturbance as compared to no and high degree of disturbance and a sharp downfall in the species diversity was recorded with increasing magnitude of disturbance. Density-diameter curves showed a reverse trend of lower density in higher girth classes. The results of the study should be useful for the forest management strategies.

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피인용 문헌

  1. Forest Composition and Structure Under Various Disturbance Regimes in the Alaknanda River Basin, Western Himalaya vol.37, pp.3, 2017, https://doi.org/10.1659/MRD-JOURNAL-D-16-00109.1