globalchange  > 影响、适应和脆弱性
DOI: 10.1016/j.foreco.2012.11.047
Scopus记录号: 2-s2.0-84871875958
论文题名:
Assessing the stability of tree ranges and influence of disturbance in eastern US forests
作者: Woodall C.W.; Zhu K.; Westfall J.A.; Oswalt C.M.; D'Amato A.W.; Walters B.F.; Lintz H.E.
刊名: Forest Ecology and Management
ISSN:  0378-1127
出版年: 2013
卷: 291
起始页码: 172
结束页码: 180
语种: 英语
英文关键词: Canopy gaps ; Climate change ; Disturbance ; Seedlings ; Tree range retreat ; Tree species migration
Scopus关键词: Canopy gaps ; Disturbance ; Seedlings ; Tree range retreat ; Tree species ; Biodiversity ; Climate change ; Dynamics ; Forestry ; canopy gap ; climate change ; disturbance ; forest ecosystem ; forest inventory ; range expansion ; species diversity ; Biodiversity ; Forest Canopy ; Forestry ; Seedlings ; United States
英文摘要: Shifts in tree species ranges may occur due to global climate change, which in turn may be exacerbated by natural disturbance events. Within the context of global climate change, developing techniques to monitor tree range dynamics as affected by natural disturbances may enable mitigation/adaptation of projected impacts. Using a forest inventory across the eastern U.S., the northern range margins of tree distributions were examined by comparing differences in the 95th percentile locations of seedlings to adults (i.e., trees) by 0.5° longitudinal bands over 5-years and by levels of disturbance (i.e., canopy gap formation). Our results suggest that the monitoring of tree range dynamics is complicated by the limits of forest inventory data across varying spatial/temporal scales and the diversity of tree species/environments in the eastern U.S. The vast majority of tree and seedling latitudinal comparisons across measurement periods and levels of disturbance in the study were not statistically different from zero (53 out of 60 comparisons). A potential skewing of ranges towards a northern limit was suggested by the stability of northern margins of tree ranges found in this study and shifts in mean locations identified in previous work. Only a partial influence of disturbances on tree range dynamics during the course of the 5-years was found in this study. The results of this study underscore the importance of continued examination of the role of disturbance in tree range dynamics and refined range monitoring techniques given future forest extent and biodiversity implications. © 2012 .
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/66786
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作者单位: USDA Forest Service, Northern Research Station, Forest Inventory and Analysis Program, St. Paul, MN 55108, United States; Nicholas School of the Environment, Duke University, Durham, NC 27708, United States; USDA Forest Service, Northern Research Station, Forest Inventory and Analysis Program, Newtown Square, PA 19073, United States; USDA Forest Service, Southern Research Station, Forest Inventory and Analysis Program, Knoxville, TN 37919, United States; Department of Forest Resources, University of Minnesota, St. Paul, MN 55108, United States; College of Oceanic and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331, United States

Recommended Citation:
Woodall C.W.,Zhu K.,Westfall J.A.,et al. Assessing the stability of tree ranges and influence of disturbance in eastern US forests[J]. Forest Ecology and Management,2013-01-01,291
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