气候变化领域集成服务门户(CCPortal): Differential responses of tree species to a severe ice storm and their implications to forest composition in the southeast United States

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DOI	10.1016/j.foreco.2020.118177
	Differential responses of tree species to a severe ice storm and their implications to forest composition in the southeast United States
	Lu D.; Pile L.S.; Yu D.; Zhu J.; Bragg D.C.; Wang G.G.
发表日期	2020
ISSN	0378-1127
卷号	468
英文摘要	The unique terrain, geography, and climate patterns of the eastern United States encourage periodic occurrences of catastrophic ice storms capable of large-scale damage or destruction of forests. However, the pervasive and persistent effects of these glaze events on regional forest distribution and composition have rarely been studied. In the southeastern US, ice storm frequency and intensity increase with increasing latitude and along the complex gradients from the coast (low, flat, sediment controlled and temperature moderated near the ocean) to the interior (high, rugged, bedrock controlled, distant from warming ocean). To investigate the potential influence of this disturbance gradient on regional forest composition, we studied the differential responses of trees (canopy position, lifeform group, and species group) to a particularly severe ice storm. Our results indicated that tree mortality and damage (canopy damage, bent bole, snapped bole, and uprooted) varied significantly between overstory and understory trees, and among species and lifeform groups. Overstory trees were more prone to glaze damage than understory trees, and evergreen broadleaf species were the most susceptible to glaze damage, while deciduous species were the least susceptible. Among the pine species studied, slash pine (Pinus elliottii Engelm.) and longleaf pine (P. palustris Mill.) suffered more severe damage and mortality than loblolly pine (P. taeda L.). Further, ice damage was correlated with distribution-based differences in injury susceptibility among pine and deciduous tree species. The most ice storm-tolerant pine species, loblolly pine, had the most northerly distribution (39.51°N), while the least resistant species were those with more southerly distribution (e.g., 33.29°N for slash pine). These results support hypotheses that the distributions of evergreen tree species are regulated by periodic catastrophic ice storms. Therefore, predicting future distributions of tree species in response to climate change should consider the role of ice storms in shaping the forest composition. © 2020 Elsevier B.V.
英文关键词	Glaze event; Lifeform group; Natural disturbance; Species distribution; Tree damage
语种	英语
scopus关键词	Climate change; Glazes; Ice; Population distribution; Storms; Broadleaf species; Deciduous species; Differential response; Disturbance gradients; Evergreen tree species; Forest compositions; Regional forests; Southeast United States; Forestry; bedrock; climate change; community structure; coniferous tree; deciduous tree; evergreen tree; forest ecosystem; growth response; ice storm; injury; mortality; overstory; understory; warming; Damage; Distribution; Forestry; Ice; Pinus Taeda; Trees; United States; United States; Pinus elliottii; Pinus palustris; Pinus taeda
来源期刊	Forest Ecology and Management
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/155243
作者单位	Department of Forestry and Environmental Conservation, Clemson University, Clemson, SC 29634, United States; CAS Key Laboratory of Forest Ecology and Management, Institute of Applied Ecology, Shenyang, 110016, China; Qingyuan Forest CERN, Chinese Academy of Sciences, Shenyang, 110016, China; USDA Forest Service, Northern Research Station, Columbia, MO 65211, United States; USDA Forest Service, Southern Research Station, Monticello, AR 71656, United States
推荐引用方式 GB/T 7714	Lu D.,Pile L.S.,Yu D.,et al. Differential responses of tree species to a severe ice storm and their implications to forest composition in the southeast United States[J],2020,468.
APA	Lu D.,Pile L.S.,Yu D.,Zhu J.,Bragg D.C.,&Wang G.G..(2020).Differential responses of tree species to a severe ice storm and their implications to forest composition in the southeast United States.Forest Ecology and Management,468.
MLA	Lu D.,et al."Differential responses of tree species to a severe ice storm and their implications to forest composition in the southeast United States".Forest Ecology and Management 468(2020).