This study selected five key traits related to aspects of the ecological strategies of riparian plants and provided information on functional characteristics that environmental filters could potentially select (Brice et al., 2017 (link)). These functional traits include dispersal type, growth form, life cycle, shoot height, and flowering phenology (Yi et al., 2020 (link); Table S2). These traits have proven to be ideal indicators for revealing plant functional characteristics in the TGRR (Yi et al., 2020 (link)). This research established a list of 166 species belonging to 43 families (Table S3). We then used the latest mega-phylogeny of seed plants as a backbone to construct species-level phylogenetic trees using the “V.PhyloMaker” package, which comprises 74,533 vascular plants (Smith and Brown, 2018 (link); Jin and Qian, 2019 (link)), comprising 166 species from the present investigation.
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