Cunyang Niu, Wenkai Shou, Li Ma, Jianqiang Qian*
Phyton-International Journal of Experimental Botany, Vol.91, No.4, pp. 811-825, 2022, DOI:10.32604/phyton.2022.019386
Abstract Urban trees are sensitive to extreme weather events under climate change. Freeze-thaw induced hydraulic failure could induce urban tree dieback and nullify the services they provide. Plant height is a simple but significant trait for plant ecological strategies. Understanding how urban trees with different heights adapt to freeze-thaw stress is increasingly important under climate change. We investigated the relationship between tree height and stem hydraulic functional traits of six common urban tree species in North China to explore tree height-related hydraulic strategies to cope with freeze-thaw stress. Results showed that tall trees had wider vessels, higher hydraulic conductivity, more winter… More >
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