选定人工林树种的财政和经济可行性评价

G. Pitigala, H. Gunatilake
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引用次数: 3

摘要

该国的森林覆盖率已大幅下降,剩余的天然林提供了宝贵的环境服务。由于伐木减少了环境服务的供应,替代木材来源在林地的可持续管理方面发挥了重要作用。人工林是采伐天然林获取木材和其他木制品的替代品。本研究的目的是考察所选人工林树种的财政和经济可行性。根据这项研究,在10%的折扣率下,桃花心木、柚木、Jak和桉树的财务净现值为正。在较高的贴现率下,所有被考虑的物种都导致负的财务npv。柚木的财务净现值最高。在社会背景下,当环境服务被纳入时,红木、柚木、Jak、桉树和松树以6%的社会贴现率产生更高的经济npv。这表明人工林的财政回报和经济回报之间存在差异。因此,政府干预是必要的,以使私营部门参与人工林。
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An Assessment of Financial and Economic Feasibility of Selected Forest Plantation Species
The forest cover of the country has declined significantly and the remaining natural forests provide valuable environmental services. Since logging reduces the supply of environmental services, alternative sources of timber play an important role in sustainable management of forestlands. Forest plantations are alternatives to logging natural forests for timber and other wood products. The objective of this study is to examine the financial and economic feasibility of selected forest plantation species. According to the study, at a 10% discount rate, Mahogany, Teak, Jak and Eucalyptus result in positive financial NPVs. At higher discount rates, all considered species result in negative financial NPVs. Teak provides the highest financial NPV. In a social context, when environmental services are incorporated, Mahogany, Teak, Jak, Eucalyptus and Pine yield higher economic NPVs at 6% social discount rate. This shows that there is a divergence between financial and economic returns to forest plantations. Therefore, government interventions are necessary to get the private sector involved in plantation forestry.
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