Search Results - "Hultine, K. R"

Seasonal variations in moisture use in a piñon-juniper woodland by West, A. G, Hultine, K. R, Burtch, K. G, Ehleringer, J. R

“…In water-limited environments of the intermountain region of North America, summer precipitation may play a role in the structure and function of aridland…”
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Transpiration and Hydraulic Strategies in a Piñon-Juniper Woodland by West, A. G., Hultine, K. R., Sperry, J. S., Bush, S. E., Ehleringer, J. R.

“…Anthropogenic climate change is likely to alter the patterns of moisture availability globally. The consequences of these changes on species distributions and…”
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Sap flux-scaled transpiration by tamarisk ( Tamarix spp.) before, during and after episodic defoliation by the saltcedar leaf beetle ( Diorhabda carinulata) by Hultine, K.R., Nagler, P.L., Morino, K., Bush, S.E., Burtch, K.G., Dennison, P.E., Glenn, E.P., Ehleringer, J.R.

“…The release of the saltcedar beetle ( Diorhabda carinulata) has resulted in the periodic defoliation of tamarisk ( Tamarix spp.) along more than 1000 river km…”
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Ecohydrological consequences of non-native riparian vegetation in the southwestern United States: A review from an ecophysiological perspective by Hultine, K. R., Bush, S. E.

“…Protecting water resources for expanding human enterprise while conserving valued natural habitat is among the greatest challenges of the 21st century. Global…”
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Herbivory-induced mortality increases with radial growth in an invasive riparian phreatophyte by Hultine, K. R, Dudley, T. L, Leavitt, S. W

“…Background and AimsUnder equal conditions, plants that allocate a larger proportion of resources to growth must do so at the expense of investing fewer…”
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Hydraulic Redistribution by a Dominant, Warm-Desert Phreatophyte: Seasonal Patterns and Response to Precipitation Pulses by Hultine, K. R., Scott, R. L., Cable, W. L., Goodrich, D. C., Williams, D. G.

“…1. Hydraulic redistribution may have important consequences for ecosystem water balance where plant root systems span large gradients in soil water potential…”
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Altitude Trends in Conifer Leaf Morphology and Stable Carbon Isotope Composition by Hultine, K. R., Marshall, J. D.

“…The natural ratio of stable carbon isotopes (δ13C) was compared to leaf structural and chemical characteristics in evergreen conifers in the north-central…”
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Population structure, physiology and ecohydrological impacts of dioecious riparian tree species of western North America by Hultine, K. R, Bush, S. E, West, A. G, Ehleringer, J. R

“…The global water cycle is intimately linked to vegetation structure and function. Nowhere is this more apparent than in the arid west where riparian forests…”
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Contrasting Patterns of Hydraulic Redistribution in Three Desert Phreatophytes by Hultine, K. R., Williams, D. G., S. S. O. Burgess, T. O. Keefer

“…We measured sap flow in taproots, lateral roots and stems within a single individual in each of three co-occurring tree species in a Chihuahuan desert arroyo…”
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Effect of gender on sap-flux-scaled transpiration in a dominant riparian tree species: Box elder (Acer negundo) by Hultine, K. R., Bush, S. E., West, A. G., Ehleringer, J. R.

“…Acer negundo is a dioecious riparian tree species with a spatial segregation of the sexes along soil moisture gradients. Females are typically more common in…”
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Altitude trends in conifer leaf morphology and stable carbon isotope composition by Hultine, K.R, Marshall, J.D

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Elevated stream inorganic nitrogen impacts on a dominant riparian tree species: Results from an experimental riparian stream system by Hultine, K. R., Jackson, T. L., Burtch, K. G., Schaeffer, S. M., Ehleringer, J. R.

“…The release of inorganic nitrogen from intensive agricultural practices and urbanization has resulted in significant alterations of the aquatic nitrogen cycle…”
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Influence of soil texture on hydraulic properties and water relations of a dominant warm-desert phreatophyte by Hultine, K.R, Koepke, D.F, Pockman, W.T, Fravolini, A, Sperry, J.S, Williams, D.G

“…We investigated hydraulic constraints on water uptake by velvet mesquite (Prosopis velutina Woot.) at a site with sandy-loam soil and at a site with loamy-clay…”
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Calibration of thermal dissipation sap flow probes for ring- and diffuse-porous trees by Bush, Susan E, Hultine, Kevin R, Sperry, John S, Ehleringer, James R

“…Thermal dissipation probes (the Granier method) are routinely used in forest ecology and water balance studies to estimate whole-tree transpiration. This…”
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Roles of saltcedar ( Tamarix spp.) and capillary rise in salinizing a non-flooding terrace on a flow-regulated desert river by Glenn, E.P., Morino, K., Nagler, P.L., Murray, R.S., Pearlstein, S., Hultine, K.R.

“…Tamarix spp. (saltcedar) secretes salts and has been considered to be a major factor contributing to the salinization of river terraces in western US riparian…”
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Ecophysiology of riparian cottonwood and willow before, during, and after two years of soil water removal by Hultine, K. R., Bush, S. E., Ehleringer, J. R.

“…Riparian cottonwood/willow forest assemblages are highly valued in the southwestern United States for their wildlife habitat, biodiversity, and watershed…”
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Hydraulic redistribution by deep roots of a Chihuahuan Desert phreatophyte by Hultine, K R, Cable, W L, Burgess, S S O, Williams, D G

“…Downward redistribution of soil water through plant roots has important consequences for water and nutrient balance of arid and semi-arid ecosystems…”
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Differential summer water use by Pinus edulis and Juniperus osteosperma reflects contrasting hydraulic characteristics by West, A.G, Hultine, K.R, Jackson, T.L, Ehleringer, J.R

“…Previous studies of pinyon-juniper woodlands show that Pinus edulis Engelm. makes better use of soil water from summer precipitation pulses than does…”
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Age-growth relationships, temperature sensitivity and palaeoclimate-archive potential of the threatened Altiplano cactus Echinopsis atacamensis by English, N B, Dettman, D L, Hua, Q, Mendoza, J M, Muir, D, Hultine, K R, Williams, D G

“…Isotopes in spines of the giant pasacana cactus on the Bolivian Altiplano provide important ecophysiological information for management of this foundation…”
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Relationships among climate, stem growth, and biomass δ 13 C in the giant saguaro cactus ( Carnegiea gigantea ) by Hultine, K. R., Dettman, D. L., Williams, D. G., Puente, R., English, N. B., Butterfield, B. J., Búrquez, A.

“…Giant saguaro ( Carnegiea gigantea ) is one of the longest‐lived and massive cacti species in the Americas. They occur throughout the Sonoran Desert region…”
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