Community Structure, Regeneration Status and Tree Biomass of Shorea robusta Gaertn. in Charpala Community Forest, Rupandehi District, Central Nepal

Y. R. Paneru, P. Chalise
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引用次数: 0

Abstract

Sal is a multipurpose tropical tree that grows as the dominant plant species in Nepal’s lowlands. A comparative study of the Sal population structure was carried out in two blocks of Charpala Community Forest, Rupandehi. A total of 161 species of vascular plants, belonging to 135 genera and 69 families, were recorded, where Fabaceae (26 species) was the dominant family. Densities of Sal trees, saplings, and seedlings per hectare were 4000, 1945, and 742 respectively. A reverse J-shaped curve in the population structure of Block 1 indicated active natural regeneration. However, in Block 2, the lower densities of seedlings and saplings, and the higher densities of intermediate diameter classes indicated insufficient spontaneous regeneration. Average tree biomass and carbon stocks were 522.49 Mg/ha-1 and 245.57 Mg/ha-1, respectively. While Block 2 outperformed Block 1 in terms of tree density, carbon stock, and biomass, Block 1 had the higher density of seedlings and saplings, which improved the regeneration status of that site. Increased demand for lumber for construction has put existing Sal strands in Nepal under pressure. Therefore, a detailed study of its population makeup and natural renewal is crucial.
柽柳群落结构、更新状况及林木生物量。在尼泊尔中部Rupandehi地区的Charpala社区森林
萨尔是一种多用途的热带树木,是尼泊尔低地的主要植物物种。对鲁潘德省查帕拉社区森林的两个群落进行了萨尔种群结构的比较研究。共记录到维管植物161种,隶属于69科135属,其中豆科为优势科26种。每公顷树密度为4000株,树苗密度为1945株,幼苗密度为742株。Block 1的种群结构呈反j型曲线,表明自然更新活跃。然而,在Block 2中,幼苗和幼树密度较低,而中径级密度较高,表明自发更新不足。平均生物量和碳储量分别为522.49 Mg/ha-1和245.57 Mg/ha-1。Block 2在树木密度、碳储量和生物量方面优于Block 1,而Block 1的幼苗和树苗密度更高,这改善了该场地的更新状况。对建筑木材需求的增加使尼泊尔现有的萨尔股面临压力。因此,详细研究其种群构成和自然更新是至关重要的。
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来源期刊
Journal of Plant Resources and Environment
Journal of Plant Resources and Environment Agricultural and Biological Sciences-Plant Science
CiteScore
0.60
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