globalchange  > 影响、适应和脆弱性
DOI: 10.1016/j.foreco.2013.03.052
Scopus记录号: 2-s2.0-84877794639
论文题名:
Do environmental attributes, disturbances and protection regimes determine the distribution of exotic plant species in Bangladesh forest ecosystem?
作者: Uddin M.B.; Steinbauer M.J.; Jentsch A.; Mukul S.A.; Beierkuhnlein C.
刊名: Forest Ecology and Management
ISSN:  0378-1127
出版年: 2013
卷: 303
起始页码: 72
结束页码: 80
语种: 英语
英文关键词: Exotic species ; Land-use ; Protected area ; Satchari ; Tropical forest
Scopus关键词: Anthropogenic disturbance ; Boosted regression trees ; Detrended correspondence analysis ; Environmental attributes ; Exotic species ; Protected areas ; Satchari ; Tropical forest ; Conservation ; Developing countries ; Ecosystems ; Forestry ; Land use ; Tropics ; Population distribution ; anthropogenic effect ; developing world ; environmental disturbance ; forest ecosystem ; forest management ; forestry production ; land use change ; protected area ; spatial distribution ; species richness ; tropical forest ; Biological Populations ; Conservation ; Developing Countries ; Distribution ; Ecosystems ; Forestry ; Land Use ; Species Identification ; Tropics ; Bangladesh ; Satchari National Park ; Sylhet
英文摘要: Introduction of exotic plant species in the tropics has occurred since the colonial period, and has mostly been for timber production. However, due to uncontrolled distribution and lack of awareness, many of these species became invasive, and have been increasingly reported as a source of threats to native ecosystems. We investigated the exotic species richness, their traits, and biogeographic origin in the Satchari Forest in the north-eastern region of Bangladesh, one of the very few intact terrestrial ecosystems remaining in the country. Boosted Regression Trees and Detrended Correspondence Analysis were performed to determine the contribution of various environmental attributes, protection regimes, and disturbances to explain the distribution of exotic species within Satchari Forest. Among the environmental variables, native species richness, elevation gradient, and soil nutrient parameters were found as good predictors of both exotic species' presence and richness in the area. In our analysis, number of exotic species showed a unimodal relationship with native species in the reserved forest, where the relationship was negative in the surrounding area. An increase in exotic species with the presence of higher anthropogenic disturbance events, thereby with lower conservation restrictions as well as with lower protection status, was also evident. Our study suggests that enforcing greater protection status and preventing human use can be the best ways to protect native species composition in forest ecosystems with greater conservation values in tropical developing countries. © 2013 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/66529
Appears in Collections:影响、适应和脆弱性

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作者单位: Department of Biogeography, University of Bayreuth, D 95447 Bayreuth, Germany; Department of Forestry and Environmental Science, Shahjalal University of Science and Technology, Sylhet 3114, Bangladesh; Department of Disturbance Ecology, University of Bayreuth, D 95447 Bayreuth, Germany; School of Agriculture and Food Sciences, University of Queensland, Brisbane QLD 4072, Australia; Centre for Research on Land-use Sustainability, Maijdi, Noakhali 3800, Bangladesh

Recommended Citation:
Uddin M.B.,Steinbauer M.J.,Jentsch A.,et al. Do environmental attributes, disturbances and protection regimes determine the distribution of exotic plant species in Bangladesh forest ecosystem?[J]. Forest Ecology and Management,2013-01-01,303
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