AUTHOR=Chu Xiuli , Man Rongzhou , Dang Qing-Lai TITLE=Spring phenology, phenological response, and growing season length JOURNAL=Frontiers in Forests and Global Change VOLUME=6 YEAR=2023 URL=https://www.frontiersin.org/journals/forests-and-global-change/articles/10.3389/ffgc.2023.1041369 DOI=10.3389/ffgc.2023.1041369 ISSN=2624-893X