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Title Dynamic phenotypic plasticity in photosynthesis and biomass patterns in Douglas-fir seedlings / Anita C. Koehn ... [and others].

Published Fort Collins, Colo. : U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Research Station, 2010.


Location Call No. Status
 UniM BioMed  634.9751 DYNA    AVAILABLE
Physical description 14 pages : illustrations ; 28 cm.
Series Research paper RMRS ; RP-79.
Research paper RMRS ; RP-79.
Notes "May 2010".
Cover title.
Bibliography Includes bibliographical references (pages 12-14)
Summary As climate changes, understanding the mechanisms long-lived conifers use to adapt becomes more important. Light gradients within a forest stand vary constantly with the changes in climate, and the minimum light required for survival plays a major role in plant community dynamics. This study focuses on the dynamic plasticity of Douglas-fir (Pseudotsuga menziesii var. glauca [Beissn.] Franco) seedlings grown in contrasting light environments. Plasticity in Douglas-fir seedlings was primarily achieved by a combination of the physiological processes: maximum photosynthesis, quantum yield, Fv/Fm, Km (the light constant), light compensation point, and the ratio of needle area to needle weight (specific leaf area). Specific leaf area was the most plastic of the biomass parameters measured.
Other formats Also available on the World Wide Web.
Other author Koehn, Anita Carol.
Rocky Mountain Research Station (Fort Collins, Colo.)
Subject Douglas fir -- Seedlings -- Growth.
Douglas fir -- Seedlings -- Effect of light on.