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122 result(s) for herbage loss
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Effects of native grazers on grassland N cycling in Yellowstone National Park
Date: 1997
Authors: D. A. Frank, and R. D. Evans
Summary: Frank and Evans investigated the effects of native ungulates on grassland N cycling in Yellowstone National Park by examining natural 15N abundance of soils and plants inside and outside long-term exclosures. Across six topographically diverse sites ...
Keywords: bison, bison bison, elk, cervus elaphus, grassland, herbivore, 15n, nitrogen, stable isotopes, ungulate, yellowstone national park
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Effects of vertebrate herbivores on soil processes, plant biomass, litter accumulation and soil elevation changes in a coastal marsh
Date: 1998
Authors: M. A. Ford, and J. B. Grace
Summary: How vertebrate herbivores, especially nutria and wild boar, alter soil and plant characteristics over time was investigated during three summers in the Pearl River basin in southern Louisiana along the Gulf of Mexico (30° 11\' N, 89° ...
Keywords: nutria, myocastor coypus, wild boar, sus scrofa, coastal wetlands, habitat destruction, herbivory, soil development, wetland loss
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Ungulate stimulation of nitrogen cycling and retention in Yellowstone National Park grasslands
Date: 2000
Authors: D. A. Frank, P. M. Groffman, R. D. Evans, and B. Tracy
Summary: Frank et al. examined the effects of variable site condition and herbivory on net N mineralization, nitrification, denitrification and inorganic N, leaching inside and adjacent to 33-year or older exclosures, on the northern winter range in Yellowsto ...
Keywords: grassland, nitrogen cycle, ungulates, yellowstone national park, 15n
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Ammonia volatilization from a seasonally and spatially variable grazed grassland: Yellowstone National Park
Date: 1997
Authors: D. A. Frank, and Y. Zhang
Summary: On the northern winter range of Yellowstone National Park, Frank and Zhang measured ammonia volatilization at three times in 1995, at three topographic positions: hilltop, midslope, and slope-bottom. The amount of ammonia-N volatilized among the si ...
Keywords: elk, cervus elaphus, bison, bison bison, ammonia volatilization, grassland, nitrogen, ungulate, yellowstone national park
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Patterns of willow seed dispersal, seed entrapment, and seedling establishment in a heavily browsed montane riparian ecosystem
Date: 2005
Authors: E. A. Gage, and D. J. Cooper
Summary: Examined the potential factors that limit the establishment of willows (<em>Salix</em> spp.) on two sites within Rocky Mountain National Park, Colorado. High levels of browsing occurred within the park, resulting in the production of few ...
Keywords: willow, salix spp., riparian, dispersal, ungulates, elk, cervus elaphus
Citation (full site)