globalchange  > 气候变化事实与影响
Scopus记录号: 2-s2.0-85061007676
论文题名:
Phenological mismatch with trees reduces wildflower carbon budgets
作者: Heberling J.M.; McDonough MacKenzie C.; Fridley J.D.; Kalisz S.; Primack R.B.
刊名: Ecology Letters
ISSN: 1461023X
出版年: 2019
卷: 22, 期:4
起始页码: 616
结束页码: 623
语种: 英语
英文关键词: carbon gain ; climate change ; forest understorey ; herbaceous layer ; light environment ; phenology ; spring wildflowers ; Thoreau
英文摘要: Interacting species can respond differently to climate change, causing unexpected consequences. Many understorey wildflowers in deciduous forests leaf out and flower in the spring when light availability is the highest before overstorey canopy closure. Therefore, different phenological responses by understorey and overstorey species to increased spring temperature could have significant ecological implications. Pairing contemporary data with historical observations initiated by Henry David Thoreau (1850s), we found that overstorey tree leaf out is more responsive to increased spring temperature than understorey wildflower phenology, resulting in shorter periods of high light in the understorey before wildflowers are shaded by tree canopies. Because of this overstorey–understorey mismatch, we estimate that wildflower spring carbon budgets in the northeastern United States were 12–26% larger during Thoreau's era and project a 10–48% reduction during this century. This underappreciated phenomenon may have already reduced wildflower fitness and could lead to future population declines in these ecologically important species. © 2019 John Wiley & Sons Ltd/CNRS
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/122713
Appears in Collections:气候变化事实与影响

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作者单位: Section of Botany, Carnegie Museum of Natural History, Pittsburgh, PA 15213, United States; Department of Ecology and Evolutionary Biology, University of Tennessee, Knoxville, TN 37996, United States; School of Biology and Ecology, Climate Change Institute, University of Maine, Orono, ME 04469, United States; Biology Department, Boston University, Boston, MA 02215, United States; Department of Biology, Syracuse University, Syracuse, NY, United States

Recommended Citation:
Heberling J.M.,McDonough MacKenzie C.,Fridley J.D.,et al. Phenological mismatch with trees reduces wildflower carbon budgets[J]. Ecology Letters,2019-01-01,22(4)
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