尼泊尔塔纳洪地区社区管理森林中萨尔(Shorea robusta Gaertn.)的更新状况

P. Poudel, A. Devkota
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引用次数: 1

摘要

本研究旨在了解群落管理的杉木林的更新状况;在尼泊尔甘达基省的塔纳洪区管理了6-21年。这些森林根据经营年限(10年以上和等于或少于10年)分为两类。通过计算各发育阶段(幼苗、幼树和乔木)各树种的密度,估算森林的更新状况。经营10年以上的群落林(MCF林;1230株/公顷)少于管理年限等于或少于10年的群落林(LCF林;1314株/公顷)。结果表明,“倒j”形乔木的大小级分布表明两种林分均具有较好的更新能力。在森林移交给社区后,两种森林的萨尔密度都迅速增加。社区管理对森林的更新产生了显著的积极影响,从而提高了森林的生产力。因此,研究森林树木的更新对天然林的保护和管理具有重要意义。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Regeneration Status of Sal (Shorea robusta Gaertn.) in Community Managed Forests, Tanahun District, Nepal
The present research aims to know the regeneration status of community managed Shorea robusta (Sal) forests; managed for 6-21 years in Tanahun district, a part of Gandaki Province, Nepal. These forests were categorized into two groups according to management duration (more than 10 years and equal or less than 10 yrs). The regeneration status of the forest was estimated by calculating the density of each species in each developmental phase (seedling, sapling and tree). The total tree density of community forest managed for more than 10 years (MCF forest; 1230 plants/ha) was less than the community forest managed for equal or less than 10 years (LCF forest; 1314 plants/ha). The results suggest that the size class distribution of the trees resembling inverse-J shaped indicates the good regenerating capability of both forests. After the handover of forests to the community, Sal density had increased rapidly in both the forests. Community management had a significant positive impact on the regeneration of the forest, and thus, the productivity of the forest. Thus, the study of regeneration of forest trees has important implications for the conservation and management of natural forests.
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