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    Ecophysiological Responses of C3 Forbs and C4 Grasses to Drought and Rain on a Tallgrass Prairie in Northeastern Kansas

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    Martin_BotGaz_152_257-262.pdf (14.51Mb)
    Issue Date
    1991
    Author
    Martin, Craig E.
    Harris, Fred S.
    Norman, Frank J.
    Publisher
    University of Chicago Press
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Published Version
    http://www.jstor.org/stable/2995208
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    Abstract
    Ecophysiological responses to drought and a 3-cm rain were measured in seven C3 forb and five C4 grass species on a tallgrass prairie in northeastern Kansas. In general, midday leaf water potentials and conductances increased after rain to a greater extent in the C3 forbs, although exceptions occurred. In particular, the deeply rooted Silphium laciniatum showed little or no change in water potential and three of the five grass species exhibited no change in conductance. Although the above differences in species and life-form responses were noted, few of the species exhibited signs of severe stress at the height of the drought, emphasizing the degree to which both C3 forbs and C4 grasses are adapted to occasional severe droughts in the prairies of North America.
    Description
    This is the publisher's official version, also available electronically at: http://www.jstor.org/stable/2995208.
    URI
    http://hdl.handle.net/1808/9869
    Collections
    • Ecology & Evolutionary Biology Scholarly Works [1516]
    Citation
    Martin, C.E., F.S. Harris, and F. J. Norman. 1991. Ecophysiological responses of C3 forbs and C4 grasses to drought and rain on a tallgrass prairie in northeastern Kansas. Bot. Gaz. 152: 257-262.

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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