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  1. Botanical survey of Myrtle Island Research Natural Area, Oregon.

    Myrtle Island Research Natural Area, an 11.3-ha island in the Umpqua River Valley of the Oregon Coast Range, was established in 1951 to preserve an old-growth stand of Umbellularia californica and scattered old-growth Pseudotsuga menziesii. This floristic study documented 363 specific and infraspecific taxa in 237 genera and 78...

    Author(s):
    Ralph L. Thompson
    Year:
    2001
    Keywords:
    Vascular plants, plant communities, species richness, exotics, noxious weeds, old-growth forests, riparian forests, research natural areas
    Source:
    Gen. Tech. Rep. PNW-GTR-507. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 27 p

  2. Vascular plants diversity of El Aribabi Conservation Ranch: A private natural protected area in northern Sonora, Mexico

    In northeastern Sonora, isolated Sky Island mountain ranges with desertscrub, desert grassland, oak woodland, and pine-oak forest have high biodiversity. El Aribabi Conservation Ranch in the Sierra Azul (from 30°51’13”N, 110°41’9”W to 30°46’38”N, 110°32’3”W) was designated a Private Protected Natural Area by the Comisión Nacional de Áreas Naturales Protegidas in March...

    Author(s):
    J. Jesus Sanchez-Escalante; Denise Z. Avila-Jimenez; David A. Delgado-Zamora; Liliana Armenta-Cota; Thomas R. Van Devender; Ana Lilia Reina-Guerrero
    Year:
    2013
    Keywords:
    Madrean Archipelago, Sky Islands, southwestern United States, northern Mexico, natural environment, fauna, flora, research, management, biodiversity, climate change
    Source:
    In: Brooke S.; Eskew, Lane G.; Collins, Loa C., comps. Merging science and management in a rapidly changing world: Biodiversity and management of the Madrean Archipelago III and 7th Conference on Research and Resource Management in the Southwestern Deserts; 2012 May 1-5; Tucson, AZ. Proceedings. RMRS-P-67. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. A8-A12.
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