Abstract for C05

Aquatic Vegetation
Végétation aquatique

Hydromorphic growth forms dominate, including rooting and floating aquatic herbs and alga, in freshwater and saltwater wetland and open-water environments. Vegetation structure has irregular horizontal canopy spacing, and shoreline edges are shaped by natural processes. Emergent growth forms typically have <10% cover, and hydromorphic vegetation is at least 1% cover. Climates vary and are often less determinative than presence of open surface water conditions, which are typically found along ocean, lake, pond, and river margins in (semi-)permanently flooded non-tidal, tidal and intertidal habitats.

Source: Faber-Langendoen, D., T. Keeler-Wolf, D. Meidinger, C. Josse, A. Weakley, D. Tart, G. Navarro, B. Hoagland, S. Ponomarenko, J.-P. Saucier, G. Fults, E. Helmer. 2014. Classification and description of world formation types. Part I (Introduction) and Part II (Description of world formations). Hierarchy Revisions Working Group, Federal Geographic Data Committee, FGDC Secretariat, U.S. Geological Survey. Reston, VA, and NatureServe, Arlington, VA.

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