Search Results - "Hobbs, N.T"

Hydrologic regime and herbivory stabilize an alternative state in Yellowstone National Park by Wolf, E.C, Cooper, D.J, Hobbs, N.T

“…A decline in the stature and abundance of willows during the 20th century occurred throughout the northern range of Yellowstone National Park, where riparian…”
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Water tables constrain height recovery of willow on Yellowstone's northern range by Bilyeu, D.M, Cooper, D.J, Hobbs, N.T

“…Excessive levels of herbivory may disturb ecosystems in ways that persist even when herbivory is moderated. These persistent changes may complicate efforts to…”
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Spatial and temporal variability modify density dependence in populations of large herbivores by Wang, Guiming, Hobbs, N. Thompson, Boone, Randall B., Illius, Andrew W., Gordon, Iain J., Gross, John E., Hamlin, Kenneth L.

“…A central challenge in ecology is to understand the interplay of internal and external controls on the growth of populations. We examined the effects of…”
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Litter and dead wood dynamics in ponderosa pine forests along a 160-year chronosequence by Hall, S. A., Burke, I. C., Hobbs, N. T.

“…Disturbances such as fire play a key role in controlling ecosystem structure. In fire-prone forests, organic detritus comprises a large pool of carbon and can…”
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Asynchrony, fragmentation, and scale determine benefits of landscape heterogeneity to mobile herbivores by Searle, Kate R, Hobbs, N.T, Jaronski, Stefan R

“…Understanding the ways that resource heterogeneity shapes the performance of individuals and the dynamics of populations offers a central challenge in…”
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Ecological support for rural land-use planning by Theobald, D.M, Spies, T, Kline, J, Maxwell, B, Hobbs, N.T, Dale, V.H

“…How can ecologists be more effective in supporting ecologically informed rural land-use planning and policy? Improved decision making about rural lands…”
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Linking chronic wasting disease to mule deer movement scales: a hierarchical Bayesian approach by Farnsworth, Matthew L., Hoeting, Jennifer A., Hobbs, N. Thompson, Miller, Michael W.

“…Observed spatial patterns in natural systems may result from processes acting across multiple spatial and temporal scales. Although spatially explicit data on…”
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Erratum to: Asynchrony, fragmentation, and scale determine benefits of landscape heterogeneity to mobile herbivores by Searle, Kate R., Hobbs, N. T., Jaronski, Stefan T.

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Regulating overabundant ungulate populations: An example for elk in Rocky Mountain National Park, Colorado by Bradford, John B., Hobbs, N. Thompson

“…In many areas of the world, populations of native ungulates have become so abundant that they are believed to be harming vegetation and disrupting ecosystem…”
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Human land use influences chronic wasting disease prevalence in mule deer by Farnsworth, M.L, Wolfe, L.L, Hobbs, N.T, Burnham, K.P, Williams, E.S, Theobald, D.M, Conner, M.M, Miller, M.W

“…Human alteration of landscapes can affect the distribution, abundance, and behavior of wildlife. We explored the effects of human land use on the prevalence of…”
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Composite forces shape population dynamics of copepod crustaceans by Twombly, S., Wang, Guiming, Hobbs, N. Thompson

“…Understanding the processes that control species abundance and distribution is a major challenge in ecology, yet for a large number of potentially important…”
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Recent Advances in Foraging Theory for Herbivores by Hobbs, N.T.

“…My remarks explore the role of theory in making progress in science generally and particularly in ecology. I discuss what theory is (and isn’t). I argue that…”
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Spatial context influences patch residence time in foraging hierarchies by Searle, K.R, Vandervelde, T, Hobbs, N.T, Shipley, L.A, Wunder, B.A

“…Understanding responses of organisms to spatial heterogeneity in resources has emerged as a fundamentally important challenge in contemporary ecology. We…”
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Predicting bite size selection of mammalian herbivores: a test of a general model of diet optimization by Shipley, L.A, Illius, A.W, Danell, K, Hobbs, N.T, Spalinger, D.E

“…The architecture of woody food plants forces mammalian herbivores to make compromises in their food choices. Rapid rates of dry matter intake can be achieved…”
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Ungulate grazing in sagebrush grassland: mechanisms of resource competition by Hobbs, N. Thompson, Baker, Dan L., Bear, George D., Bowden, David C.

“…In many areas of western North America, populations of Rocky Mountain elk (Cervus elaphus canadensis) avoid snow at high elevations during winter by migrating…”
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Fire and grazing in the tallgrass prairie: contingent effects on nitrogen budgets by Hobbs, N. Thompson, Schimel, David S., Owensby, Clenton E., Ojima, Dennis S.

“…Fire and grazing occur together in many of the world's grasslands, but their effects on nutrient cycling have usually been studied as if they acted separately…”
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Ungulate grazing in sagebrush grassland: effects of resource competition on secondary production by Hobbs, N. Thompson, Baker, Dan L., Bear, George D., Bowden, David C.

“…In many areas of western North America, populations of elk are believed to harm production of cattle by competing with them for limited supplies of native…”
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Grazing in herds: When are nutritional benefits realized? by Hobbs, N.T, Swift, D.M

“…McNaughton showed that feeding in groups can convey significant nutritional benefits to large herbivores by enhancing food yield from the grasslands they feed…”
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Estimates of habitat carrying capacity incorporating explicit nutritional constraints by Hobbs, N.T, Swift, D.M

“…We offer an algorithm for estimating supportable densities of herbivores consuming diets at different levels of nutritional quality. We use this procedure to…”
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Effects of prescribed fire on nutrition of mountain sheep and mule deer during winter and spring [Ovis canadensis, Odocoileus hemionus] by Hobbs, N.T, Spowart, R.A

“…Prescribed burning elevated the concentration of protein and in vitro digestible organic matter (IVDOM) in winter diets of mountain sheep (Ovis canadensis) and…”
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