globalchange  > 气候变化与战略
DOI: 10.1073/pnas.1917508117
论文题名:
Phenological responses of temperate and boreal trees to warming depend on ambient spring temperatures; leaf habit; and geographic range
作者: Montgomery R.A.; Rice K.E.; Stefanski A.; Rich R.L.; Reich P.B.
刊名: Proceedings of the National Academy of Sciences of the United States of America
ISSN: 0027-8424
出版年: 2020
卷: 117, 期:19
起始页码: 10397
结束页码: 10405
语种: 英语
英文关键词: Boreal forest ; Climate change ; Growing season length ; Phenology ; Temperate forest
Scopus关键词: Abies balsamea ; Acer rubrum ; Acer saccharum ; Article ; autumn ; Betula papyrifera ; climate warming ; controlled study ; effect size ; environmental temperature ; geographic distribution ; land use ; Minnesota ; nonhuman ; oak ; organismal interaction ; phenology ; pine ; Pinus banksiana ; plant growth ; plant leaf ; Populus tremuloides ; priority journal ; Quercus macrocarpa ; seasonal variation ; senescence ; simulation ; species difference ; spring ; spring temperature variability ; taiga ; temperate rain forest ; temperature measurement ; white pine
英文摘要: Changes in plant phenology associated with climate change have been observed globally. What is poorly known is whether and how phenological responses to climate warming will differ from year to year, season to season, habitat to habitat, or species to species. Here, we present 5 y of phenological responses to experimental warming for 10 subboreal tree species. Research took place in the open-air B4WarmED experiment in Minnesota. The design is a two habitat (understory and open) × three warming treatments (ambient, +1.7 °C, +3.4 °C) factorial at two sites. Phenology was measured twice weekly during the growing seasons of 2009 through 2013. We found significant interannual variation in the effect of warming and differences among species in response to warming that relate to geographic origin and plant functional group. Moreover, responses to experimental temperature variation were similar to responses to natural temperature variation. Warming advanced the date of budburst more in early compared to late springs, suggesting that to simulate interannual variability in climate sensitivity of phenology, models should employ process-based or continuous development approaches. Differences among species in timing of budburst were also greater in early compared to late springs. Our results suggest that climate change—which will make most springs relatively “early”—could lead to a future with more variable phenology among years and among species, with consequences including greater risk of inappropriately early leafing and altered interactions among species. © 2020 National Academy of Sciences. All rights reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/164213
Appears in Collections:气候变化与战略

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作者单位: Montgomery, R.A., Department of Forest Resources, University of Minnesota, St. Paul, MN 55108, United States; Rice, K.E., Department of Forest Resources, University of Minnesota, St. Paul, MN 55108, United States, Extension Education, University of Florida, Fort Lauderdale, FL 33314, United States; Stefanski, A., Department of Forest Resources, University of Minnesota, St. Paul, MN 55108, United States; Rich, R.L., Department of Forest Resources, University of Minnesota, St. Paul, MN 55108, United States, Smithsonian Environmental Research Center, Edgewater, MD 21037, United States; Reich, P.B., Department of Forest Resources, University of Minnesota, St. Paul, MN 55108, United States, Hawkesbury Institute for the Environment, Western Sydney University, Penrith, NSW 2753, Australia

Recommended Citation:
Montgomery R.A.,Rice K.E.,Stefanski A.,et al. Phenological responses of temperate and boreal trees to warming depend on ambient spring temperatures; leaf habit; and geographic range[J]. Proceedings of the National Academy of Sciences of the United States of America,2020-01-01,117(19)
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