Sustainable Harvesting of Timber from Woodlands in Southern Africa: Challenges for the Future

C. Geldenhuys
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引用次数: 8

Abstract

SYNOPSIS Woodlands covered > 50% of the land area in southern Africa, but only 57% remain today and only 7% occur in protected areas. Mean population density in the region is 17 people/km2 and urbanisation is increasing. In several countries subsistence agriculture is still the main contributor to the GDP. The main challenge in the region is to develop a sustainable contribution to the industry and service sectors of the economy from the woodland resources while improving the conservation status of the vegetation resources. A wide range of timber and non-timber products are harvested from the woodlands, often with no concern for the maintenance of the resource, or to optimise and economise the utilisation of the trees that are felled, or to pursue multiple-use systems. Very few species are utilised, and some of the harvested species are relatively rare, or are over-utilised, and the management systems to not favour their regeneration. Sustained-use management of woodlands require the maintenance of 1) the...
非洲南部林地木材的可持续采伐:未来的挑战
森林覆盖了非洲南部50%以上的土地面积,但今天仅保留了57%,只有7%出现在保护区内。该地区平均人口密度为17人/平方公里,城市化程度不断提高。在一些国家,自给农业仍然是国内生产总值的主要贡献者。该区域面临的主要挑战是如何利用林地资源对工业和经济服务部门作出可持续的贡献,同时改善植被资源的保护状况。从林地中收获各种各样的木材和非木材产品,通常不关心资源的维护,或优化和节省砍伐树木的利用,或追求多用途系统。很少有物种被利用,一些收获的物种相对稀少,或者被过度利用,管理系统不支持它们的再生。林地的持续利用管理需要保持1)……
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