globalchange  > 影响、适应和脆弱性
DOI: 10.1088/1748-9326/11/12/125010
论文题名:
Why do forest products become less available?A pan-tropical comparison of drivers of forest-resource degradation
作者: Kathleen Hermans-Neumann; Katharina Gerstner; Ilse R Geijzendorffer; Martin Herold; Ralf Seppelt; Sven Wunder
刊名: Environmental Research Letters
ISSN: 1748-9326
出版年: 2016
发表日期: 2016-12-12
卷: 11, 期:12
语种: 英语
英文摘要:

Forest products provide an important source of income and wellbeing for rural smallholder communities across the tropics. Although tropical forest products frequently become over-exploited, only few studies explicitly address the dynamics of degradation in response to socio-economic drivers. Our study addresses this gap by analyzing the factors driving changes in tropical forest products in the perception of rural smallholder communities. Using the poverty and environment network global dataset, we studied recently perceived trends of forest product availability considering firewood, charcoal, timber, food, medicine, forage and other forest products. We looked at a pan-tropical sample of 233 villages with forest access. Our results show that 90% of the villages experienced declining availability of forest resources over the last five years according to the informants. Timber and fuelwood together with forest foods were featured as the most strongly affected, though with marked differences across continents. In contrast, availability of at least one main forest product was perceived to increase in only 39% of the villages. Furthermore, the growing local use of forest resources is seen as the main culprit for the decline. In villages with both growing forest resource use and immigration—vividly illustrating demographic pressures—the strongest forest resources degradation was observed. Conversely, villages with little or no population growth and a decreased use of forest resources were most likely to see significant forest-resource increases. Further, villages are less likely to perceive resource declines when local communities own a significant share of forest area. Our results thus suggest that perceived resource declines have only exceptionally triggered adaptations in local resource-use and management patterns that would effectively deal with scarcity. Hence, at the margin this supports neo-Malthusian over neo-Boserupian explanations of local resource-use dynamics.

URL: http://iopscience.iop.org/article/10.1088/1748-9326/11/12/125010
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/14055
Appears in Collections:影响、适应和脆弱性
气候减缓与适应

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作者单位: UFZ - Helmholtz Centre for Environmental Research, Department Computational Landscape Ecology, D-04318 Leipzig, Germany;Wageningen University & Research, Laboratory of Geo-Information Science and Remote Sensing, Droevendaalsesteeg 3, 6708 PB Wageningen, The Netherlands;UFZ - Helmholtz Centre for Environmental Research, Department Computational Landscape Ecology, D-04318 Leipzig, Germany;German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, D-04103 Leipzig, Germany;Institut Méditerranéen de Biodiversité et d’Ecologie marine et continentale (IMBE), Aix Marseille Université, CNRS, IRD, Avignon Université, Technopôle Arbois-Méditerranée, Bât. Villemin—BP 80, F-13545 Aix-en-Provence cedex 04, France;Tour du Valat, Research Institute for the conservation of Mediterranean Wetlands, Le Sambuc, F-13200 Arles, France;Wageningen University & Research, Laboratory of Geo-Information Science and Remote Sensing, Droevendaalsesteeg 3, 6708 PB Wageningen, The Netherlands;UFZ - Helmholtz Centre for Environmental Research, Department Computational Landscape Ecology, D-04318 Leipzig, Germany;Institute of Geoscience & Geography, Martin-Luther-University Halle-Wittenberg, D-06099 Halle (Saale), Germany;Center for International Forestry Research (CIFOR), c/o CIP, Av La Molina 1895, Apartado Postal 1558, Lima 12, Peru

Recommended Citation:
Kathleen Hermans-Neumann,Katharina Gerstner,Ilse R Geijzendorffer,et al. Why do forest products become less available?A pan-tropical comparison of drivers of forest-resource degradation[J]. Environmental Research Letters,2016-01-01,11(12)
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