Plant species diversity and crown cover response to regeneration composition in community managed forest

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PRAMOD GHIMIRE
UCHITA LAMICHHANE

Abstract

Abstract. Ghimire P, Lamichhane U. 2020. Plant species diversity and crown cover response to regeneration composition in community-managed forest. Asian J For 5: 36-41. The study was carried out to assess plant species diversity and crown cover response to regeneration composition in Nawalpur Saraswati (Basamadi) Community Forest of Hetauda Municipality of Makawanpur District, Nepal in November 2020 to December 2020. A stratified random sampling method with a total of 94 sample plots was laid out for the study. Altogether 44 species belonging to 26 families were recorded in the study site, of which 23 species were represented in tree category, 14 in shrub, and 7 in herb category. Both Shannon Weiner and Simpson's diversity index indicated good floral species diversity in the study area. The forest was dominated by Shorea robusta with 396 stem ha-1, followed by Terminalia bellerica 29 stem ha-1, Lagerstroemia parviflora 25 stem ha-1, and Terminalia tomentosa (syn. Terminalia elliptica) 21 stem ha-1 respectively. Both seedling and sapling were found in good number with seedlings 11,583 number ha-1and for seedlings it was recorded 1,896 number ha-1. Both seedling and sapling density was recorded higher in open crown coverage (seedlings=32625 number ha-1; saplings=5033 number ha-1) than in close crown coverage (seedlings=13,708 number ha-1; saplings=2,550 number ha-1). Therefore, the study concluded that crown opening facilitates growth and development of regeneration density in Shorea robusta and its associated forests. Furthermore, the information generated could be useful to predict future trends in species composition and stand structure in order to optimize the possible forest management strategies.

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