Using warming tolerances to predict understory plant responses to climate change

© 2023 John Wiley & Sons Ltd.

Bibliographische Detailangaben
Veröffentlicht in:Global change biology. - 1999. - 30(2024), 1 vom: 04. Jan., Seite e17064
1. Verfasser: Wei, Liping (VerfasserIn)
Weitere Verfasser: Sanczuk, Pieter, De Pauw, Karen, Caron, Maria Mercedes, Selvi, Federico, Hedwall, Per-Ola, Brunet, Jörg, Cousins, Sara A O, Plue, Jan, Spicher, Fabien, Gasperini, Cristina, Iacopetti, Giovanni, Orczewska, Anna, Uria-Diez, Jaime, Lenoir, Jonathan, Vangansbeke, Pieter, De Frenne, Pieter
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Global change biology
Schlagworte:Journal Article climate change cross-continental transplant experiment forest ecosystems microclimate species traits thermal niche understory species warming tolerance
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520 |a Climate change is pushing species towards and potentially beyond their critical thermal limits. The extent to which species can cope with temperatures exceeding their critical thermal limits is still uncertain. To better assess species' responses to warming, we compute the warming tolerance (ΔTniche ) as a thermal vulnerability index, using species' upper thermal limits (the temperature at the warm limit of their distribution range) minus the local habitat temperature actually experienced at a given location. This metric is useful to predict how much more warming species can tolerate before negative impacts are expected to occur. Here we set up a cross-continental transplant experiment involving five regions distributed along a latitudinal gradient across Europe (43° N-61° N). Transplant sites were located in dense and open forests stands, and at forest edges and in interiors. We estimated the warming tolerance for 12 understory plant species common in European temperate forests. During 3 years, we examined the effects of the warming tolerance of each species across all transplanted locations on local plant performance, in terms of survival, height, ground cover, flowering probabilities and flower number. We found that the warming tolerance (ΔTniche ) of the 12 studied understory species was significantly different across Europe and varied by up to 8°C. In general, ΔTniche were smaller (less positive) towards the forest edge and in open stands. Plant performance (growth and reproduction) increased with increasing ΔTniche across all 12 species. Our study demonstrated that ΔTniche of understory plant species varied with macroclimatic differences among regions across Europe, as well as in response to forest microclimates, albeit to a lesser extent. Our findings support the hypothesis that plant performance across species decreases in terms of growth and reproduction as local temperature conditions reach or exceed the warm limit of the focal species 
650 4 |a Journal Article 
650 4 |a climate change 
650 4 |a cross-continental transplant experiment 
650 4 |a forest ecosystems 
650 4 |a microclimate 
650 4 |a species traits 
650 4 |a thermal niche 
650 4 |a understory species 
650 4 |a warming tolerance 
700 1 |a Sanczuk, Pieter  |e verfasserin  |4 aut 
700 1 |a De Pauw, Karen  |e verfasserin  |4 aut 
700 1 |a Caron, Maria Mercedes  |e verfasserin  |4 aut 
700 1 |a Selvi, Federico  |e verfasserin  |4 aut 
700 1 |a Hedwall, Per-Ola  |e verfasserin  |4 aut 
700 1 |a Brunet, Jörg  |e verfasserin  |4 aut 
700 1 |a Cousins, Sara A O  |e verfasserin  |4 aut 
700 1 |a Plue, Jan  |e verfasserin  |4 aut 
700 1 |a Spicher, Fabien  |e verfasserin  |4 aut 
700 1 |a Gasperini, Cristina  |e verfasserin  |4 aut 
700 1 |a Iacopetti, Giovanni  |e verfasserin  |4 aut 
700 1 |a Orczewska, Anna  |e verfasserin  |4 aut 
700 1 |a Uria-Diez, Jaime  |e verfasserin  |4 aut 
700 1 |a Lenoir, Jonathan  |e verfasserin  |4 aut 
700 1 |a Vangansbeke, Pieter  |e verfasserin  |4 aut 
700 1 |a De Frenne, Pieter  |e verfasserin  |4 aut 
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773 1 8 |g volume:30  |g year:2024  |g number:1  |g day:04  |g month:01  |g pages:e17064 
856 4 0 |u http://dx.doi.org/10.1111/gcb.17064  |3 Volltext 
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