Poleward shifts in the maximum of spring phenological responsiveness of Ginkgo biloba to temperature in China

© 2023 The Authors. New Phytologist © 2023 New Phytologist Foundation.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 240(2023), 4 vom: 26. Nov., Seite 1421-1432
1. Verfasser: Wu, Zhaofei (VerfasserIn)
Weitere Verfasser: Fu, Yongshuo H, Crowther, Thomas W, Wang, Shuxin, Gong, Yufeng, Zhang, Jing, Zhao, Yun-Peng, Janssens, Ivan, Penuelas, Josep, Zohner, Constantin M
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Ginkgo chilling accumulation climate change spatial variation species distribution spring phenology
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520 |a © 2023 The Authors. New Phytologist © 2023 New Phytologist Foundation. 
520 |a Global warming is advancing the timing of spring leaf-out in temperate and boreal plants, affecting biological interactions and global biogeochemical cycles. However, spatial variation in spring phenological responsiveness to climate change within species remains poorly understood. Here, we investigated variation in the responsiveness of spring phenology to temperature (RSP; days to leaf-out at a given temperature) in 2754 Ginkgo biloba twigs of trees distributed across subtropical and temperate regions in China from 24°N to 44°N. We found a nonlinear effect of mean annual temperature on spatial variation in RSP, with the highest response rate at c. 12°C and lower response rates at warmer or colder temperatures due to declines in winter chilling accumulation. We then predicted the spatial maxima in RSP under current and future climate scenarios, and found that trees are currently most responsive in central China, which corresponds to the species' main distribution area. Under a high-emission scenario, we predict a 4-degree latitude shift in the responsiveness maximum toward higher latitudes over the rest of the century. The identification of the nonlinear responsiveness of spring phenology to climate gradients and the spatial shifts in phenological responsiveness expected under climate change represent new mechanistic insights that can inform models of spring phenology and ecosystem functioning 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Ginkgo 
650 4 |a chilling accumulation 
650 4 |a climate change 
650 4 |a spatial variation 
650 4 |a species distribution 
650 4 |a spring phenology 
700 1 |a Fu, Yongshuo H  |e verfasserin  |4 aut 
700 1 |a Crowther, Thomas W  |e verfasserin  |4 aut 
700 1 |a Wang, Shuxin  |e verfasserin  |4 aut 
700 1 |a Gong, Yufeng  |e verfasserin  |4 aut 
700 1 |a Zhang, Jing  |e verfasserin  |4 aut 
700 1 |a Zhao, Yun-Peng  |e verfasserin  |4 aut 
700 1 |a Janssens, Ivan  |e verfasserin  |4 aut 
700 1 |a Penuelas, Josep  |e verfasserin  |4 aut 
700 1 |a Zohner, Constantin M  |e verfasserin  |4 aut 
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773 1 8 |g volume:240  |g year:2023  |g number:4  |g day:26  |g month:11  |g pages:1421-1432 
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