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Hydrochorous Seed Dispersal In Riparian Forests Altered By Urbanization, Christa Von Behren, J. Alan Yeakley
Hydrochorous Seed Dispersal In Riparian Forests Altered By Urbanization, Christa Von Behren, J. Alan Yeakley
Environmental Science and Management Faculty Publications and Presentations
While riparian habitat alterations from urban stream syndrome are known to affect vegetation establishment and survival, the degree to which riparian seed delivery by hydrochory is affected by urbanization is unclear. We hypothesized that (1) there would be a reduction in the overall number of seeds deposited by streams as watershed urbanization increased; and (2) in the most urbanized watersheds, seeds deposited by water would be predominantly from species with traits favoring dispersal in general, including tall stature and high seed production, and favoring deposition by water in particular, including large seed size and the presence of a dispersal appendage. …