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    • Rangeland Ecology & Management, Volume 62 (2009)
    • Rangeland Ecology & Management, Volume 62, Number 2 (March 2009)
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    Survival of Sprouting Shrubs Following Summer Fire: Effects of Morphological and Spatial Characteristics

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    Author
    Dacy, Emily C.
    Fulbright, Timothy E.
    Issue Date
    2009-03-01
    Keywords
    Acacia farnesiana
    Celtis ehrenbergiana
    Condalia bookeri
    prescribed burning
    south Texas
    
    Metadata
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    Citation
    Dacy, E. C., & Fulbright, T. E. (2009). Survival of sprouting shrubs following summer fire: effects of morphological and spatial characteristics. Rangeland Ecology & Management, 62(2), 179-185.
    Publisher
    Society for Range Management
    Journal
    Rangeland Ecology & Management
    URI
    http://hdl.handle.net/10150/643018
    DOI
    10.2111/08-125.1
    Additional Links
    https://rangelands.org/
    Abstract
    Efficacy of fire in reducing shrub density is low in plant communities where most woody plants resprout from stem bases and crowns following fire. Our objective was to determine the relationship of shrub mortality and recovery from summer fire to prefire shrub structural characteristics. A randomized, complete block design with two treatments (burned and control) and three blocks was used in the experiment. Within each block and treatment combination, we randomly selected 40 individuals each of brasil (Condalia hookeri M. C. Johnst.), huisache (Acacia farnesiana [L.] Willd.), and spiny hackberry (Celtis ehrenbergiana [Klotzsch] Liebm.). We estimated height, canopy diameter, number of stems, stem diameter, and distance to the nearest shrubs before ignition of fires. Fires were ignited during July and August 2001. Survival, sprout number, height, and total plant height were estimated 47-52 wk postburn. Mortality of brasil was 26 times greater on burned sites than on control sites, but mortality of huisache and spiny hackberry was negligible. Mortality of brasil varied from 0% to 68% among blocks. Postburn height and number of sprouts increased with preburn shrub height and number of stems, indicating that longer intervals of time between fires that allow shrub growth facilitate more rapid postfire recovery. Factors other than the preburn shrub structural characteristics we measured appear to influence postfire shrub survival most strongly, although these characteristics are useful in predicting postfire sprout production and shrub height. 
    Type
    text
    Article
    Language
    en
    ISSN
    0022-409X
    ae974a485f413a2113503eed53cd6c53
    10.2111/08-125.1
    Scopus Count
    Collections
    Rangeland Ecology & Management, Volume 62, Number 2 (March 2009)

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