DOI: 10.1016/j.foreco.2016.07.023
Scopus记录号: 2-s2.0-84983567798
论文题名: Assessing intra- and inter-regional climate effects on Douglas-fir biomass dynamics in Oregon and Washington, USA
作者: Bell D.M. ; Gray A.N.
刊名: Forest Ecology and Management
ISSN: 0378-1127
出版年: 2016
卷: 379 起始页码: 281
结束页码: 287
语种: 英语
英文关键词: Climate
; Douglas-fir
; Forest inventory
; Forest structure
; Forest succession
; Pacific Northwest
; Pseudotsuga menziesii
Scopus关键词: Biomass
; Carbon
; Dynamics
; Trajectories
; Vegetation
; Climate
; Douglas fir
; Forest inventory
; Forest structure
; Forest succession
; Pacific Northwest
; Pseudotsuga menziesii
; Forestry
; biomass
; carbon sequestration
; climate conditions
; climate effect
; coniferous tree
; ecosystem structure
; ecozone
; forest cover
; forest dynamics
; forest inventory
; precipitation (climatology)
; succession
; Oregon
; Pacific Northwest
; United States
; Washington [United States]
; Pseudotsuga
; Pseudotsuga menziesii
英文摘要: While ecological succession shapes contemporary forest structure and dynamics, other factors like forest structure (dense vs. sparse canopies) and climate may alter structural trajectories. To assess potential sources of variation in structural trajectories, we examined proportional biomass change for a regionally dominant tree species, Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco), across vegetation zones representing broad gradients in precipitation and temperature with 3510 forest inventory plots in Oregon and Washington, USA. We found that P. menziesii biomass change decreased with P. menziesii biomass stocks and increased with P. menziesii density, remaining positive in older stands only in the wet and warm vegetation zone. Within two of the vegetation zones, biomass change was greatest in warm and wet environments. In dry vegetation zones, positive P. menziesii biomass change responses to initial canopy cover and canopy cover change (i.e., increases with cover loss and decreases with cover gain) indicated shifts in forest structure. Variation in P. menziesii biomass dynamics within and between vegetation zones imply multi-scale climatic controls on forest structural trajectories for P. menziesii and highlight the potential for continued atmospheric carbon sequestration in warm and wet forests of the Pacific Northwest for both young and old forests, given that future climatic conditions support similar forest dynamics. © 2016 Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/64737
Appears in Collections: 影响、适应和脆弱性
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作者单位: USDA Forest Service, Pacific Northwest Research Station, 3200 SW Jefferson Way, Corvallis, OR, United States
Recommended Citation:
Bell D.M.,Gray A.N.. Assessing intra- and inter-regional climate effects on Douglas-fir biomass dynamics in Oregon and Washington, USA[J]. Forest Ecology and Management,2016-01-01,379