Emerging threats to dryland forest resources: elephants and fire are only part of the story

Emerging threats to dryland forest resources: elephants and fire are only part of the story
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对旱地森林资源的新威胁:大象和火灾只是故事的一部分

DOI:
10.1093/forestry/cpx010
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发表时间:
2017
期刊:
Forestry: An International Journal of Forest Research
影响因子:
--
通讯作者:
Alexander, K.A.
Alexander, K.A.
中科院分区:
--
文献类型:
--
作者:
Nichols, C.A.;Vandewalle, M.E.;Alexander, K.A.

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旱地森林提供了对人类和动物种群生存至关重要的基本资源。它们在发展中国家尤其重要,因为这些国家的社区生计往往直接依赖于这些生境中自然资源的使用。博茨瓦纳和非洲其他地方一样,旱地森林承受着越来越大的压力,同时生态系统服务也在退化。由于对旱地森林资源面临的持续威胁认识有限,积极管理受到限制。使用关键搜索词,我们对已发表的文献进行了系统的回顾,以评估博茨瓦纳和南部非洲地区旱地森林资源的研究趋势、资源威胁和知识差距。在所确定的221份出版物中(1974-2016年),火和大象研究在科学文献中占主导地位(58%),通常相互结合(11%)。虽然注意到并认为其他威胁很重要(农业、气候变化、商业收获、病虫害、外来入侵物种和人类入侵),但对这些主题的研究仍然很少。这些数据表明,迫切需要扩大森林部门的研究议程,优先考虑其他威胁类型,而不是继续关注大象和火灾。
Dryland forests provide essential resources critical to the survival of human and animal populations. They are particularly important in developing countries where community livelihoods are often directly dependent upon the use of natural resources in these habitats. In Botswana, as elsewhere in Africa, dryland forests are under increasing pressure with concomitant degradation in ecosystem services. Active management is constrained by a limited understanding of ongoing threats to dryland forest resources. Using key search terms, we conducted a systematic review of published literature in order to evaluate research trends, resource threats and knowledge gaps in respect of dryland forest resources occurring in Botswana and the Southern African region. Of the 221 publications identified (1974–2016), fire and elephant research dominate the scientific literature (58%), often in combination with each other (11%). While other threats are noted and considered important (agriculture, climate change, commercial harvesting, disease and pests, exotic invasive species and human encroachment), there remains a paucity of research on these topics. These data suggest that there is an urgent need to expand the research agenda in the forest sector prioritizing other threat types rather than continued focus on elephants and fire.
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