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    Author(s): Deborah M. Finch
    Date: 1986
    Source: In: Brosz, Donald J.; Rodgers, J. Daniel, coords. Proceedings: Wyoming Water 1986 and Streamside Zone Conference; Wyoming's Water Doesn't Wait While We Debate; April 28-30, 1986, Casper, WY. Laramie, WY: University of Wyoming, Wyoming Water Research Center, UW Agricultural Extension Service. p. 105-110.
    Publication Series: Miscellaneous Publication
    PDF: Download Publication  (656.68 KB)

    Description

    I examined trends in bird species richness and overall bird abundance in riparian habitats among elevations varying from 6740 ft. to 9800 ft. in southeastern Wyoming. Bird species diversity ranged from a low of three bird species and 23 pairs in subalpine shrub willow habitat to a maximum of 21 species and 101 pairs in lowland cottonwood habitat. Bird communities were less diverse at higher elevations probably because of the reduced vegetational complexity and increased environmental severity at high elevations. Few bird species found in subalpine riparian habitats contained unique (but depauperate) avifaunas. Despite loss of a tree overstory, bird species composition on mid-elevation shrub sites was more similar to lowland cottonwood habitats than to subalpine shrub areas. Similarity in bird species composition was greatest within elevational zones. Based on these results, general recommendations for managing riparian habitats in different elevational zones are offered.

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    Citation

    Finch, Deborah M. 1986. Similarities in riparian bird communities among elevational zones in southeastern Wyoming. In: Brosz, Donald J.; Rodgers, J. Daniel, coords. Proceedings: Wyoming Water 1986 and Streamside Zone Conference; Wyoming's Water Doesn't Wait While We Debate; April 28-30, 1986, Casper, WY. Laramie, WY: University of Wyoming, Wyoming Water Research Center, UW Agricultural Extension Service. p. 105-110.

    Keywords

    riparian bird communities, elevational zones, species diversity, Wyoming

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