Variation in species-level plant functional traits over wetland indicator status categories.

Arizona Grand Canyon inundation plant trait riparian water use efficiency US Geological Survey (USGS) WaterSMART program Grand Canyon National Park GRCA‐2015‐SCI‐0015 3.2 Herbaceous species For herbaceous species, statistically significant differences in trait values among WIS categories occurred for seed mass ( x 2 = 15.12 p < .01) and SSG ( x 2 = 20.73, p < .01), with marginally significant differences and trends for height ( F = 2.20, p = .08), δ 13 C ( F = 2.27, p = .10), δ 15 N ( F = 2.32 p = .09), and % leaf carbon ( F = 2.88, p = .05; Figure 2 ).

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