Biology

The influence of climate warming on flowering phenology in relation to historical annual and seasonal temperatures and plant functional traits

C. Geissler, A. Davidson, et al.

This fascinating study by Cole Geissler, Allison Davidson, and Richard A Niesenbaum explores how climate warming affects the flowering times of various plant species in eastern Pennsylvania. By examining a rich dataset of herbarium specimens spanning over a century, the researchers uncover how rising temperatures are causing plants to bloom earlier, a phenomenon that varies significantly between spring and summer species.

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Abstract

This study investigated the impact of climate warming on the flowering phenology of 36 plant species in eastern Pennsylvania using herbarium specimens collected from 1884-2015. The researchers analyzed the relationship between annual, winter, and spring temperatures and flowering time, considering plant functional traits like native status, growth habit, fruit type, and blooming season. Results showed that plants flowered earlier with increasing annual and spring temperatures, but winter temperatures had no significant effect. The response to warming varied among species, with spring-blooming species showing a greater response than summer-blooming species.

Publisher

PeerJ

Published On

Apr 21, 2023

Authors

Cole Geissler, Allison Davidson, Richard A Niesenbaum

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