DOI: 10.1007/s10584-014-1207-z
Scopus记录号: 2-s2.0-84919877676
论文题名: Northward migration under a changing climate: a case study of blackgum (Nyssa sylvatica)
作者: Desprez J. ; Iannone B.V. ; III ; Yang P. ; Oswalt C.M. ; Fei S.
刊名: Climatic Change
ISSN: 0165-0009
EISSN: 1573-1480
出版年: 2014
卷: 126, 期: 2018-01-02 语种: 英语
Scopus关键词: Climate models
; Forestry
; Population distribution
; Changing climate
; Inventory analysis
; Range expansion
; RANGE shifts
; Regional levels
; Sampling period
; Tree migration
; Vegetation dynamics
; Climate change
英文摘要: Species are predicted to shift their distribution ranges in response to climate change. Region-wide, empirically-based studies, however, are still limited to support these predictions. We used a model tree species, blackgum (Nyssa sylvatica), to study climate-induced range shift. Data collected from two separate sampling periods (1980s and 2007) by the USDA’s Forestry and Inventory Analysis (FIA) Program were used to investigate changes in abundance and dominance, and shifts in distribution, of blackgum in four ecoregions of the eastern United States. Our results indicated new recruitment of blackgum in the northern portion of its range, along with increases in both density and annual rates of change in importance value (IV). Conversely, declines in recruitment were found in the southern portion of blackgum’s range, along with decreases in density and IV. The center portion of blackgum’s range had mixed patterns of change (i.e., both increases and decreases) throughout. A northward range expansion was also detected by comparing blackgum’s historic range to where it was detected during our two more-recent sampling periods. Our findings suggest that blackgum is migrating north in response to climate change. Our study also suggests two broader implications about tree migration patterns in response to climate change: (1) species can respond to changing climate in relatively short time periods, at least for generalist species such as blackgum, and (2) climate-induced vegetation dynamic patterns can be detected at the regional level, but are inherently complex. © 2014, Springer Science+Business Media Dordrecht (outside the USA). Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/84988
Appears in Collections: 气候减缓与适应 气候变化事实与影响
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作者单位: Department of Forestry and Natural Resources, Purdue University, 195 Marsteller Street, West Lafayette, IN, United States; Department of Forestry, University of Kentucky, Lexington, KY, United States; USDA Forest Service Southern Research Station, Knoxville, TN, United States
Recommended Citation:
Desprez J.,Iannone B.V.,III,et al. Northward migration under a changing climate: a case study of blackgum (Nyssa sylvatica)[J]. Climatic Change,2014-01-01,126(2018-01-02)