Search Results - "Grace, James B."

Does urban sprawl hold down upward mobility? by Ewing, Reid, Hamidi, Shima, Grace, James B., Wei, Yehua Dennis

“…•Upward mobility is significantly higher in compact areas than sprawling areas.•The direct effect of compactness is attributed to better job accessibility in…”
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Climatic controls on the global distribution, abundance, and species richness of mangrove forests by Osland, Michael J., Feher, Laura C., Griffith, Kereen T., Cavanaugh, Kyle C., Enwright, Nicholas M., Day, Richard H., Stagg, Camille L., Krauss, Ken W., Howard, Rebecca J., Grace, James B., Rogers, Kerrylee

“…Mangrove forests are highly productive tidal saline wetland ecosystems found along sheltered tropical and subtropical coasts. Ecologists have long assumed that…”
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Predicting ecosystem stability from community composition and biodiversity by de Mazancourt, Claire, Isbell, Forest, Larocque, Allen, Berendse, Frank, De Luca, Enrica, Grace, James B., Haegeman, Bart, Wayne Polley, H., Roscher, Christiane, Schmid, Bernhard, Tilman, David, van Ruijven, Jasper, Weigelt, Alexandra, Wilsey, Brian J., Loreau, Michel

“…As biodiversity is declining at an unprecedented rate, an important current scientific challenge is to understand and predict the consequences of biodiversity…”
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Temporal shifts in top-down vs. bottom-up control of epiphytic algae in a seagrass ecosystem by Whalen, Matthew A., Duffy, J. Emmett, Grace, James B.

“…In coastal marine food webs, small invertebrate herbivores (mesograzers) have long been hypothesized to occupy an important position facilitating dominance of…”
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Guidelines for a graph-theoretic implementation of structural equation modeling by Grace, James B, Schoolmaster, Donald R, Guntenspergen, Glenn R, Little, Amanda M, Mitchell, Brian R, Miller, Kathryn M, Schweiger, E. William

“…Structural equation modeling (SEM) is increasingly being chosen by researchers as a framework for gaining scientific insights from the quantitative analyses of…”
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Functional diversity supports the physiological tolerance hypothesis for plant species richness along climatic gradients by Spasojevic, Marko J, Grace, James B, Harrison, Susan, Damschen, Ellen I, Salguero‐Gómez, Roberto

“…The physiological tolerance hypothesis proposes that plant species richness is highest in warm and/or wet climates because a wider range of functional…”
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Piñon and juniper tree removal increases available soil water, driving understory response in a sage‐steppe ecosystem by McIver, James, Grace, James B., Roundy, Bruce

“…Over the past century, piñon and juniper trees have encroached into sagebrush steppe lands of the interior United States, and managers have for many years…”
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Ecological contingency in the effects of climatic warming on forest herb communities by Harrison, Susan, Damschen, Ellen I., Grace, James B., Ricklefs, Robert E.

“…Downscaling from the predictions of general climate models is critical to current strategies for mitigating species loss caused by climate change. A key…”
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Biogeographic Affinity Helps Explain Productivity‐Richness Relationships at Regional and Local Scales by Harrison, Susan, Grace, James B.

“…The unresolved question of what causes the observed positive relationship between large‐scale productivity and species richness has long interested ecologists…”
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Does species diversity limit productivity in natural grassland communities by Grace, James B, Michael Anderson, T, Smith, Melinda D, Seabloom, Eric, Andelman, Sandy J, Meche, Gayna, Weiher, Evan, Allain, Larry K, Jutila, Heli, Sankaran, Mahesh, Knops, Johannes, Ritchie, Mark, Willig, Michael R

“…Theoretical analyses and experimental studies of synthesized assemblages indicate that under particular circumstances species diversity can enhance community…”
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Effects of Invasive Alien Plants on Fire Regimes by BROOKS, MATTHEW L, D'ANTONIO, CARLA M, RICHARDSON, DAVID M, GRACE, JAMES B, KEELEY, JON E, DiTOMASO, JOSEPH M, HOBBS, RICHARD J, PELLANT, MIKE, PYKE, DAVID

“…Plant invasions are widely recognized as significant threats to biodiversity conservation worldwide. One way invasions can affect native ecosystems is by…”
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Local versus landscape-scale effects of savanna trees on grasses by Riginos, Corinna, Grace, James B., Augustine, David J., Young, Truman P.

“…1. Savanna ecosystems - defined by the coexistence of trees and grasses - cover more than one-fifth the world's land surface and harbour most of the world's…”
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Context-dependent interactions and the regulation of species richness in freshwater fish by MacDougall, Andrew S., Harvey, Eric, McCune, Jenny L., Nilsson, Karin A., Bennett, Joseph, Firn, Jennifer, Bartley, Timothy, Grace, James B., Kelly, Jocelyn, Tunney, Tyler D., McMeans, Bailey, Matsuzaki, Shin-Ichiro S., Kadoya, Taku, Esch, Ellen, Cazelles, Kevin, Lester, Nigel, McCann, Kevin S.

“…Species richness is regulated by a complex network of scale-dependent processes. This complexity can obscure the influence of limiting species interactions,…”
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An integrative paradigm for building causal knowledge by Grace, James B.

“…A core aspiration of the ecological sciences is to determine how systems work, which implies the challenge of developing a causal understanding. Causal…”
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Integrated analysis shows how the effects of extreme flooding events propagate through fish communities to impact amphibians by Grace, James B.

“…Research Highlight: Davis, C. L., Walls, S. C., Barichivich, W. J., Brown, M. E., & Miller, D. A. (2022). Disentangling direct and indirect effects of extreme…”
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Using structural equation modeling to link human activities to wetland ecological integrity by Schweiger, E. William, Grace, James B., Cooper, David, Bobowski, Ben, Britten, Mike

“…Abstract The integrity of wetlands is of global concern. A common approach to evaluating ecological integrity involves bioassessment procedures that quantify…”
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Instrumental variable methods in structural equation models by Grace, James B.

“…Instrumental variable regression (RegIV) provides a means for detecting and correcting parameter bias in causal models. Widely used in economics, recently…”
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Urban sprawl as a risk factor in motor vehicle crashes by Ewing, Reid, Hamidi, Shima, Grace, James B

“…A decade ago, compactness/sprawl indices were developed for metropolitan areas and counties which have been widely used in health and other research. In this…”
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Rising seas could cross thresholds for initiating coastal wetland drowning within decades across much of the United States by Osland, Michael J., Chivoiu, Bogdan, Grace, James B., Enwright, Nicholas M., Guntenspergen, Glenn R., Buffington, Kevin J., Thorne, Karen M., Carr, Joel A., Sweet, William V., Couvillion, Brady R.

“…Abstract Accelerated sea-level rise is an existential threat to coastal wetlands, but the timing and extent of wetland drowning are debated. Recent data…”
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Forage Nutritive Quality in the Serengeti Ecosystem: The Roles of Fire and Herbivory by Anderson, T. Michael, Ritchie, Mark E., Mayemba, Emilian, Eby, Stephanie, Grace, James B., McNaughton, Samuel J.

“…Fire and herbivory are important determinants of nutrient availability in savanna ecosystems. Fire and herbivory effects on the nutritive quality of savanna…”
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