globalchange  > 过去全球变化的重建
DOI: 10.1016/j.foreco.2019.03.051
WOS记录号: WOS:000471086600027
论文题名:
Distribution of tree species with high economic and livelihood value for Zambia
作者: Pelletier, Johanne1; Chidumayo, Emmanuel2; Trainor, Anne3; Siampale, Abel4; Mbindo, Keddy4
通讯作者: Pelletier, Johanne
刊名: FOREST ECOLOGY AND MANAGEMENT
ISSN: 0378-1127
EISSN: 1872-7042
出版年: 2019
卷: 441, 页码:280-292
语种: 英语
英文关键词: Africa ; Charcoal production ; Dry tropical forests ; Miombo woodands ; Mopane woodlands ; Species distribution modelling ; Timber ; Zambia
WOS关键词: MIOMBO WOODLAND ; CHARCOAL PRODUCTION ; FIRE ; FOREST ; VEGETATION ; SAVANNA ; VULNERABILITY ; REGENERATION ; PREDICTION ; CARBON
WOS学科分类: Forestry
WOS研究方向: Forestry
英文摘要:

The sustainable management of dry forests and woodlands of Sub-Saharan Africa (SSA) is crucial for the SSA economy and people's livelihoods but it remains a key challenge to address. Maps of tree species distributions of economic value are lacking for the region; yet, this information is essential for supporting sustainable use. We capitalized on new nation-wide field survey data for the Republic of Zambia (Southern Africa) to generate the first suite of baseline species distribution models (SDMs) for 20 tree species of economic significance to support for sustainable management and conservation. We employed one regression- and two machine learning-based techniques to model and predict tree distribution. For each species, we compared the three model results for the relative importance of different predictive variables, revealing the most important predictors of each species niche and providing insight into how human activities influence current tree species distribution. Overall, environmental predictors that best explained tree species distribution were related to water availability, including mean potential evapotranspiration (PET), annual rainfall, and the variation in PET, as well as elevation and soil fertility. Human impact on distribution was notable for tree species used for charcoal and timber, including the proximity to roads for charcoal-favored species and the proximity to settlement for timber species. For all tree species, fire did not stand out as a variable of importance, contrary to expectations. The SDMs generated from this study will provide essential baseline information to support national conservation and management efforts, especially for preferred timber and charcoal species for which selective harvesting has had an impact on their distribution. Our results highlight the importance of rainfalls for the distribution of tree species in this seasonally dry region and calls for future research to forecast the impacts of climate change on habitat suitability.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/139502
Appears in Collections:过去全球变化的重建

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作者单位: 1.Cornell Univ, Coll Agr & Life Sci, Atkinson Ctr Sustainable Future, Ithaca, NY 14853 USA
2.Makeni Savanna Project, Makeni Lusaka, Zambia
3.Univ Cincinnati, Dept Biol Sci, Nat Conservancy Africa Program, 820G Rieveschl Hall, Cincinnati, OH 45221 USA
4.Minist Lands & Nat Resources, Forestry Dept, Lusaka, Zambia

Recommended Citation:
Pelletier, Johanne,Chidumayo, Emmanuel,Trainor, Anne,et al. Distribution of tree species with high economic and livelihood value for Zambia[J]. FOREST ECOLOGY AND MANAGEMENT,2019-01-01,441:280-292
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