Search Results - "Brooks, R. J."

Native Root Xylem Embolism and Stomatal Closure in Stands of Douglas-Fir and Ponderosa Pine: Mitigation by Hydraulic Redistribution by Domec, J.-C., Warren, J. M., Meinzer, F. C., Brooks, J. R., Coulombe, R.

“…Hydraulic redistribution (HR), the passive movement of water via roots from moist to drier portions of the soil, occurs in many ecosystems, influencing both…”
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The role of pre-event canopy storage in throughfall and stemflow by using isotopic tracers by Allen, S. T., Brooks, J. R., Keim, R. F., Bond, B. J., McDonnell, J. J.

“…ABSTRACT Stable isotopes can be a valuable tool for tracing the redistribution, storage, and evaporation of water associated with canopy interception of…”
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Carbon isotope discrimination and growth response of old Pinus ponderosa trees to stand density reductions by MCDOWELL, N., BROOKS, J. R., FITZGERALD, S. A., BOND, B. J.

“…ABSTRACT Stand density reductions have been proposed as a method by which old‐growth ponderosa pine (Pinus ponderosa) forests of North America can be converted…”
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Hydraulic redistribution by two semi-arid shrub species: Implications for Sahelian agro-ecosystems by Kizito, F., Dragila, M.I., Senè, M., Brooks, J.R., Meinzer, F.C., Diedhiou, I., Diouf, M., Lufafa, A., Dick, R.P., Selker, J., Cuenca, R.

“…Hydraulic redistribution is the process of passive water movement from deeper moist soil to shallower dry soil layers using plant roots as conduits. Results…”
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Vertical stratification of soil water storage and release dynamics in Pacific Northwest coniferous forests by Warren, J.M., Meinzer, F.C., Brooks, J.R., Domec, J.C.

“…We characterized vertical variation in the seasonal release of stored soil moisture in old-growth ponderosa pine (OG-PP, xeric), and young and old-growth…”
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Dynamics of water transport and storage in conifers studied with deuterium and heat tracing techniques by MEINZER, F. C., BROOKS, J. R., DOMEC, J.‐C., GARTNER, B. L., WARREN, J. M., WOODRUFF, D. R., BIBLE, K., SHAW, D. C.

“…ABSTRACT The volume and complexity of their vascular systems make the dynamics of long‐distance water transport in large trees difficult to study. We used heat…”
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Converging patterns of uptake and hydraulic redistribution of soil water in contrasting woody vegetation types by Meinzer, F.C, Brooks, J.R, Bucci, S, Goldstein, G, Scholz, F.G, Warren, J.M

“…We used concurrent measurements of soil water content and soil water potential (psi(soil)) to assess the effects of psi(soil) on uptake and hydraulic…”
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Approximate Bayesian computation reveals the factors that influence genetic diversity and population structure of foxsnakes by ROW, J. R., BROOKS, R. J., MacKINNON, C. A., LAWSON, A., CROTHER, B. I., WHITE, M., LOUGHEED, S. C.

“…Contemporary geographical range and patterns of genetic diversity within species reflect complex interactions between multiple factors acting across spatial…”
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Eliminating Autocorrelation Reduces Biological Relevance of Home Range Estimates by de Solla, Shane R., Bonduriansky, Russell, Brooks, Ronald J.

“…1. Destructive subsampling or restrictive sampling are often standard procedures to obtain independence of spatial observations in home range analyses. We…”
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Carbon isotope composition of boreal plants: functional grouping of life forms by Brooks, J.R, Flanagan, L.B, Buchmann, N, Ehleringer, J.R

“…We tested the hypothesis that life forms (trees, shrubs, forbs, and mosses; deciduous or evergreen) can be used to group plants with similar physiological…”
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Estimating Wetland Connectivity to Streams in the Prairie Pothole Region: An Isotopic and Remote Sensing Approach by Brooks, J. R., Mushet, D. M., Vanderhoof, M. K., Leibowitz, S. G., Christensen, J. R., Neff, B. P., Rosenberry, D. O., Rugh, W. D., Alexander, L. C.

“…Understanding hydrologic connectivity between wetlands and perennial streams is critical to understanding the reliance of stream flow on inputs from wetlands…”
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Applying the dual-isotope conceptual model to interpret physiological trends under uncontrolled conditions by Barnard, H R, Brooks, J R, Bond, B J

“…The inter-relationships among δ(13)C and δ(18)O in tree ring cellulose and ring width have the potential to illuminate long-term physiological and…”
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Nitrogen inputs drive nitrogen concentrations in U.S. streams and rivers during summer low flow conditions by Bellmore, R.A., Compton, J.E., Brooks, J.R., Fox, E.W., Hill, R.A., Sobota, D.J., Thornbrugh, D.J., Weber, M.H.

“…Ecological and human health impairments related to excess nitrogen (N) in streams and rivers remain widespread in the United States (U.S.) despite recent…”
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Coho salmon dependence on intermittent streams by Wigington, P.J. Jr, Ebersole, J.L, Colvin, M.E, Leibowitz, S.G, Miller, B, Hansen, B, Lavigne, H.R, White, D, Baker, J.P, Church, M.R, Brooks, J.R, Cairns, M.A, Compton, J.E

“…In February 2006, the US Supreme Court heard cases that may affect whether intermittent streams are jurisdictional waters under the Clean Water Act. In June…”
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Nitrogen inputs best predict farm field nitrate leaching in the Willamette Valley, Oregon by Compton, J. E., Pearlstein, S. L., Erban, L., Coulombe, R. A., Hatteberg, B., Henning, A., Brooks, J. R., Selker, J. E.

“…Nitrate leaching is an important yet difficult to manage contribution to groundwater and surface water contamination in agricultural areas. We examined 14 farm…”
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Continuum Regression: Cross-Validated Sequentially Constructed Prediction Embracing Ordinary Least Squares, Partial Least Squares and Principal Components Regression by Stone, M., Brooks, R. J.

“…The paper addresses the evergreen problem of construction of regressors for use in least squares multiple regression. In the context of a general sequential…”
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Contaminant residues in snapping Turtle (Chelydra s. serpentina) eggs from the Great Lakes-St. Lawrence River Basin (1999 to 2000) by ASHPOLE, S. L, BISHOP, C. A, BROOKS, R. J

“…To determine temporal and geographic variations of environmentally persistent pollutants, the concentrations of several contaminants were measured in snapping…”
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Seasonal Variations in Triple Oxygen Isotope Ratios of Precipitation in the Western and Central United States by Aron, P. G., Li, S., Brooks, J. R., Welker, J. M., Levin, N. E.

“…Triple oxygen isotope ratios (∆′17O) offer new opportunities to improve reconstructions of past climate by quantifying evaporation, relative humidity, and…”
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Environmental contamination and developmental abnormalities in eggs and hatchlings of the common snapping turtle ( Chelydra serpentina serpentina) from the Great Lakes—St Lawrence River basin (1989–1991) by Bishop, Christine A., Ng, P., Pettit, K.E., Kennedy, S.W., Stegeman, J.J., Norstrom, R.J., Brooks, R.J.

“…During 1989–1991, we assessed developmental abnormalities in embryos and hatchlings from eggs of the common snapping turtle ( Chelydra serpentina serpentina)…”
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Choosing the best model: Level of detail, complexity, and model performance by Brooks, R.J., Tobias, A.M.

“…he lack of a methodology, or at least detailed guidelines, for choosing the best model in a mathematical or computer modelling study stems from a poor…”
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