Grazing effects on water relations of Caucasian bluestem
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Authors: T. Svejcar, and S. Christiansen
Date: 1987
Journal: Journal of Range Management
Volume: 40
Number: 1
Pages: 15-18
Summary of Methods: Svejcar and Christiansen measured xylem water potential, stomatal conductance and soil moisture of Caucasian bluestem (Bothriochloa caucasica) pastures, that were lightly or heavily grazed by cattle. Plants in heavily grazed pastures had less negative water potentials and higher stomatal conductance rates than plants in lightly grazed pastures. Heavily grazed pastures also had greater soil moisture than lightly grazed pastures throughout the growing season. These results indicate that plants in heavily grazed Caucasian bluestem pastures are under less water stress and have the ability to produce more vegetative growth, due to the maintenance of soil moisture in these pastures throughout the growing season.
Article Summary / Main Points: None
Vegetation Types:
MLRA Ecoregions:
Agrovoc Control Words: Riparian zones Rangelands Wildlife
Article Review Type: Refereed
Article Type: Experimental Research
Keywords: bothriochloa caucasica, stomatal conductance, xylem potential, soil moisture, grazing intensity, water stress
Annotation: None
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