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122 result(s) for herbage loss
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Grazing intensity and ecosystem processes in a northern mixed-grass prairie, USA
Date: 1998
Authors: M. E. Biondini, B. D. Patton, and P. E. Nyren
Summary: The objective of this 8-year study was to evaluate the ecosystem-level impacts of no-grazing vs. sustained moderate and heavy cattle grazing, in terms of plant species basal cover, density, and composition, above-ground and below-ground net primary p ...
Keywords: climactic variation, grazing pressure, litter and root decomposition, net primary production, net soil n mineralization, nitrogen loss, mixed grass prairie, soil carbon, soil nitrogen, species composition
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Herbage dynamics of tallgrass prairie under short duration grazing
Date: 1988
Authors: J. E. Brummer, R. L. Gillen, and F. T. McCollum
Summary: In this Oklahoma study, Brummer et al. found that grazing schedule had limited and inconsistent effects on short-term herbage dynamics of tallgrass prairie. Average seasonal standing crop increased from 4-cycle to 2-cycle grazing at the light stocki ...
Keywords: herbage accumulation, herbage disappearance, rotation grazing, stocking rate
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Defoliation impacts on <em>Festuca campestris</em> (Rydb.) plants exposed to wildfire
Date: 2003
Authors: A. D. Bogen, E. W. Bork, and W. D. Willms
Summary: According to Bogen et al., grazing of foothills rough fescue (<em>Festuca campestris</em>) plants, that have been recently burned by wildfire, may be detrimental to the future reproduction and growth of those plants, depending on the time ...
Keywords: defoliation intensity, deferment, etiolated growth, herbage yield, resilience, tillers
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Species contribution to seasonal productivity of a mixed pasture under two sward grazing height regimes
Date: 2002
Authors: M. Carlassare, and H. D. Karsten
Summary: In this study, the pre-grazing and post-grazing stubble heights, in rotationally grazed pastures, were modified to determine the effects of stubble height on individual species and total forage production in orchardgrass/Kentucky bluegrass dominated ...
Keywords: species harvest index, rotational grazing, orchardgrass, dactylis glomerata, kentucky bluegrass, poa pratensis, grazing
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Modeling the effects of nutria (<em>Myocastor coypus</em>) on wetland loss
Date: 1999
Authors: J. Carter, A. L. Foote, and L. A. Johnson-Randall
Summary: A model was created to study the process in which nutria (Myocastor coypus) feeding activities lead to erosion and loss of marsh area. The nutria-biomass-model consists of three linked modes: a nutria population dynamics model (nutria model), a mar ...
Keywords: nutria, myocastor coypus, scirpus americanus, spartina patens, eat-out, brackish marsh, marsh loss, population dynamics, coastal louisiana
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