小农树木能否补充木材市场的公共种植园?肯尼亚伐木禁令案例

D. Langat, A. Kisiwa, N. Leley, J. Kagombe, J. Cheboiwo
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引用次数: 0

摘要

肯尼亚的公共森林部门种植园一直是以木材为基础的工业的主要圆木来源,但若干因素削弱了其满足日益增长的需求的能力,造成巨大的赤字。过去三十年来小农林业的增长表明有可能弥补这一赤字。2002-2012年和2018年在公共和社区森林实施的伐木禁令不仅为小农树木种植者打开了市场,而且增加了来自各种木材消费者的需求压力。本文对最近一次暂停期的三年内农场木材资源的状况进行了评估,并对农场树木资源补充公共森林人工林木材的潜力进行了评估。通过半结构化访谈、关键线人访谈以及对146块农田的立木和采伐树木的快速评估,从56个家庭收集了数据。在农场发现的主要商业树种是;卢西塔尼柏树、桉树、绿柳、松柏和金合欢。桉树是种植最多的树木,平均土地面积为1.08公顷。从大量木材采伐可以看出,自从暂停采伐以来,农场树木资源维持了一定程度的木材需求。研究发现,目前约有40%的木材资源是由5年以下的树木组成的,大多数采伐的是小直径级,基本上是幼木,不适合进行结构和家具技术,并制定了一个渐进和支持性的政策框架,用于农场树木的采伐和贸易。
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Can Small-Holder Trees Supplement the Public Plantations in the Wood Market? The Case of Kenya’s Logging Moratorium
Kenya’s public forest sector plantations have been the main source of round-wood for wood-based industries but several factors have reduced its capacity to meet increasing demands, resulting in huge deficits. The growth of smallholder forestry over the last three decades has demonstrated the potential to supplement the deficits. The imposed logging moratorium in public and community forests in 2002-2012 and 2018 not only opened markets for smallholder tree growers but also increased demand pressure from various wood consumers. This paper presents an assessment of the status of farm-based wood resources three years within the latest moratorium period and the potential of farm tree resources to complement wood from public forest plantations. Data were collected from 56 households using semi-structured interviews, key in-formants interviews, and a rapid assessment of standing and harvested trees from 146 on-farm plots. The main commercial tree species found on the farms were; Cupressus lusitanica, Eucalyptus sp., Grevillea robusta, Pinus patula, and Acacia mearnsii. Eucalypts were the most planted trees with an average land size of 1.08 ha. The farm tree resources have sustained some level of wood demand since the moratorium, as indicated by the high volume of wood harvested. The study found that about 40% of current wood resources consisted of trees less than 5 years, and most harvests were of small diameter classes which are essentially juvenile wood and are unsuitable for structural and fur-niture techniques be undertaken and a progressive and supportive policy framework on harvesting and trade of trees on-farm be developed.
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