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    Visual interpretation of vegetation classes from airborne videography: An evaluation of observer proficiency with minimal training

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    azu_td_1355154_sip1_m.pdf
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    Author
    Drake, Samuel Edward, 1960-
    Issue Date
    1993
    Keywords
    Psychology, Experimental.
    Environmental Sciences.
    Advisor
    McPherson, Guy R.
    
    Metadata
    Show full item record
    Publisher
    The University of Arizona.
    Rights
    Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author.
    Abstract
    This study evaluated the ability of individual subjects and small groups to correctly identify Arizona plant communities from color airvideo footage, explored the relationship of five background variables to subjects' success, and determined which community types were easiest and most difficult for subjects to identify. Forty-six volunteers from the University of Arizona School of Renewable Natural Resources participated in a multiple-choice pretest-posttest experiment using 30 different plant communities depicted in one-minute segments of videotape. Three hours of training increased mean individual score from 7 correct (pretest) to 21 correct (posttest), and mean group score from 11 to 24. All respondents significantly improved their performance, regardless of background. Posttest results showed no significant difference in ability among individuals or between individuals and groups. The most difficult community to identify was creosote-tarbush desertscrub; the easiest was paloverde-saguaro desertscrub. Findings support the feasibility of video interpretation by minimally-trained personnel.
    Type
    text
    Thesis-Reproduction (electronic)
    Degree Name
    M.S.
    Degree Level
    masters
    Degree Program
    Graduate College
    Renewable natural resources
    Degree Grantor
    University of Arizona
    Collections
    Master's Theses

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