Search Results - "Weishampel, J.F."

Forest biomass from combined ecosystem and radar backscatter modeling by Ranson, K.J., Sun, G., Weishampel, J.F., Knox, R.G.

“…Above-ground woody biomass is an important parameter for describing the function and productivity of forested ecosystems. Recent studies have demonstrated that…”
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Dune vegetation fertilization by nesting sea turtles by Hannan, Laura B., Roth, James D., Ehrhart, Llewellyn M., Weishampel, John F.

“…Sea turtle nesting presents a potential pathway to subsidize nutrient-poor dune ecosystems, which provide the nesting habitat for sea turtles. To assess…”
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Multifractal analysis of canopy height measures in a longleaf pine savanna by Drake, Jason B., Weishampel, John F.

“…Spatial patterns of forest canopies are fractal as they exhibit variation over a continuum of scales. A measure of fractal dimension of a forested landscape…”
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Simulating vertical and horizontal multifractal patterns of a longleaf pine savanna by Drake, J.B., Weishampel, J.F.

“…Many ecological processes (e.g., individual growth, competition, and mortality) are dictated by existing spatial patterns and lead to the generation of new…”
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Northern Forest Ecosystem Dynamics Using Coupled Models and Remote Sensing by Ranson, K.J, Sun, G, Knox, R.G, Levine, E.R, Weishampel, J.F, Fifer, S.T

“…Forest ecosystem dynamics modeling, remote sensing data analysis, and a geographical information system (GIS) were used together to determine the possible…”
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Multiple source pools and dispersal barriers for Galapagos plant species distribution by Yeakley, J. Alan, Weishampel, John F.

“…We reexamined geographic factors explaining the number of plant species on islands in the Galapagos Archipelago. We hypothesized that plant species richness…”
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Coupling a spatially-explicit forest gap model with a 3-D solar routine to simulate latitudinal effects by Weishampel, J.F., Urban, D.L.

“…A multi-scaled forest model (ZELIG) which spatially embeds patch-scale processes into a larger landscape was linked with a 3-D insolation routine to simulate…”
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Semivariograms from a forest transect gap model compared with remotely sensed data by Weishampel, J.F, Urban, D.L, Shugart, H.H, Smith, J.B. Jr. (Virginia Univ., Charlottesville (USA). Dept. of Environmental Sciences)

“…A spatially linked version of a forest gap model, ZELIG, parameterized for the H. J. Andrews Experimental Forest, Oregon, was used to generate structural…”
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An evaluation of AIRSAR and SIR-C/XSAR images for northern forest ecological studies in Maine, USA by Ranson, K.J., Sun, G., Weishampel, J.F., Knox, R.G.

“…In previous work by the authors, AIRSAR data have been used to characterize forest categories, biomass and spatial patterns of a forest area in Maine, USA. The…”
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Forest structure from combined optical and microwave modeling and measurements by Ranson, K.J., Smith, J.A., Sun, G., Weishampel, J.F., Knox, R.G.

“…One sided leaf area index (LAI) and above ground woody biomass are important parameters for describing the function and productivity of forested ecosystems. It…”
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