Abstract for C01


Forest & Woodland
ForĂȘts et terres boisĂ©es


Trees with broadly mesomorphic (including scleromorphic) growth forms (including broad-leaved, needle-leaved, sclerophyllous, palm, and bamboo trees, and tree ferns) characterize this type. Vegetation structure typically has irregular horizontal spacing. The mesomorphic tree canopy is typically greater than 10% cover and often exceeds 5 m in height, and often has both a mature (overstory) and regeneration layer, except in tropical upland savanna regions, where trees typically have greater than 40% cover, are >8 m tall, and the vegetation lacks a substantial graminoid layer. Climates range from humid tropical to boreal and subalpine, with fairly moderate moisture and temperature conditions. Substrate moisture conditions vary from dry to wet. Vegetation includes tropical, temperate, and boreal forests and woodlands.

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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