自然更新后的竹林生长评价与环境因子的关系

Q4 Agricultural and Biological Sciences

Journal of Bamboo and Rattan Pub Date : 2022-08-30 DOI:10.55899/09734449.22/21.1d/328

Tashi Wangmo, Ugyen Thinley, U. Dorji, S. Rai

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引用次数: 0

摘要

2015年，不丹中部地区出现了大花宝莲的大规模开花。为了评估其自然更新后的生长情况，对位于Wangduephodrang县Sephu gewog的Busa群落森林(CF)进行了实地研究。在80公顷的研究场地上，采用系统抽样法，共设置样地39个，样方面积为10 × 10 m。所有样地均采用复合土样采集。样地分为竹存在样地和竹缺失样地。对竹材生长与环境因子的关系进行了评价。采用Wilcoxon符号秩检验比较竹林存在与缺失样地的环境参数。结果表明，海拔、冠层盖度和土壤电导率存在显著差异。在海拔2700 ~ 2800 m，中冠层盖度为20% ~ 40%的壤土中，竹的直径、高度和数量生长最高。朝北和朝西的山坡上竹子最多

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Growth assessment of Borinda grossa after natural regeneration in relation to environmental factors

Mass flowering of Borinda grossa occurred in 2015 in the central region of Bhutan. To assess its growth after natural regeneration, a field study was carried out in the Busa community forest (CF) located in Sephu gewog, Wangduephodrang district. A total of 39 sample plots of quadrat size 10 × 10 m were laid out in a study site of 80 hectares using systematic sampling to carry out bamboo inventory. The soil samples were collected using composite soil sampling from all the plots. Sample plots were categorized into bamboo presence and absence plots. Growth of bamboo was assessed in association with environmental factors. Wilcoxon signed rank test was used to compare environmental parameters between bamboo presence and absence plots. The result indicated significant differences in elevation, canopy cover and soil electrical conductivity. The growth of bamboo by diameter, height and count was highest in the elevation range between 2700 to 2800 m under medium canopy cover of 20 to 40% in loamy-sandy soil. Maximum number of bamboos was found in north and west facing slopes

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来源期刊

Journal of Bamboo and Rattan Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

0.40

自引率

0.00%

发文量

期刊介绍： The Journal of Bamboo and Rattan is a peer-reviewed scientific journal and provides a forum for scientific articles and reviews on all aspects of fast growing, multi-purpose pliable species. The scope of the journal encompasses income security, craft industry, small to medium size enterprises, industrial fibre and fuel. Articles related to natural distribution and conservation of species, genetics and biotechnology, harvesting and production systems, and environmental applications are also included, as well as papers on marketing and policy restraints in relation to bamboo, rattan and related species.