Search Results - "Van Mantgem, Phillip J"

Widespread Increase of Tree Mortality Rates in the Western United States by van Mantgem, Phillip J, Stephenson, Nathan L, Byrne, John C, Daniels, Lori D, Franklin, Jerry F, Fulé, Peter Z, Harmon, Mark E, Larson, Andrew J, Smith, Jeremy M, Taylor, Alan H, Veblen, Thomas T

“…Persistent changes in tree mortality rates can alter forest structure, composition, and ecosystem services such as carbon sequestration. Our analyses of…”
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The contribution of competition to tree mortality in old-growth coniferous forests by Das, Adrian, Battles, John, Stephenson, Nathan L., van Mantgem, Phillip J.

“…▶ Competition is a significant contributor to tree mortality processes but does not appear to dominate those processes. ▶ Biotic agents appear to be an…”
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Climatic correlates of tree mortality in water- and energy-limited forests by Das, Adrian J, Stephenson, Nathan L, Flint, Alan, Das, Tapash, van Mantgem, Phillip J

“…Recent increases in tree mortality rates across the western USA are correlated with increasing temperatures, but mechanisms remain unresolved. Specifically,…”
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A large database supports the use of simple models of post-fire tree mortality for thick-barked conifers, with less support for other species by Cansler, C. Alina, Hood, Sharon M., van Mantgem, Phillip J., Varner, J. Morgan

“…Background Predictive models of post-fire tree and stem mortality are vital for management planning and understanding fire effects. Post-fire tree and stem…”
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Causes and implications of the correlation between forest productivity and tree mortality rates by Stephenson, Nathan L, van Mantgem, Phillip J, Bunn, Andrew G, Bruner, Howard, Harmon, Mark E, O'Connell, Kari B, Urban, Dean L, Franklin, Jerry F

“…At global and regional scales, tree mortality rates are positively correlated with forest net primary productivity (NPP). Yet causes of the correlation are…”
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Does Prescribed Fire Promote Resistance to Drought in Low Elevation Forests of the Sierra Nevada, California, USA? by van Mantgem, Phillip J., Caprio, Anthony C., Stephenson, Nathan L., Das, Adrian J.

“…Prescribed fire is a primary tool used to restore western forests following more than a century of fire exclusion, reducing fire hazard by removing dead and…”
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Vegetation type conversion in the US Southwest: frontline observations and management responses by Guiterman, Christopher H., Gregg, Rachel M., Marshall, Laura A. E., Beckmann, Jill J., van Mantgem, Phillip J., Falk, Donald A., Keeley, Jon E., Caprio, Anthony C., Coop, Jonathan D., Fornwalt, Paula J., Haffey, Collin, Hagmann, R. Keala, Jackson, Stephen T., Lynch, Ann M., Margolis, Ellis Q., Marks, Christopher, Meyer, Marc D., Safford, Hugh, Syphard, Alexandra Dunya, Taylor, Alan, Wilcox, Craig, Carril, Dennis, Enquist, Carolyn A. F., Huffman, David, Iniguez, Jose, Molinari, Nicole A., Restaino, Christina, Stevens, Jens T.

“…Background Forest and nonforest ecosystems of the western United States are experiencing major transformations in response to land-use change, climate warming,…”
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Spatial Elements of Mortality Risk in Old-Growth Forests by Das, Adrian, Battles, John, van Mantgem, Phillip J., Stephenson, Nathan L.

“…For many species of long-lived organisms, such as trees, survival appears to be the most critical vital rate affecting population persistence. However, methods…”
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Forest Resistance to Extended Drought Enhanced by Prescribed Fire in Low Elevation Forests of the Sierra Nevada by Phillip J. van Mantgem, Anthony C. Caprio, Nathan L. Stephenson, Adrian J. Das

“…Prescribed fire reduces fire hazards by removing dead and live fuels (small trees and shrubs). Reductions in forest density following prescribed fire…”
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Forest turnover rates follow global and regional patterns of productivity by Stephenson, Nathan L, Mantgem, Phillip J

“…Using a global database, we found that forest turnover rates (the average of tree mortality and recruitment rates) parallel broad-scale patterns of net primary…”
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Apparent climatically induced increase of tree mortality rates in a temperate forest by van Mantgem, Phillip J, Stephenson, Nathan L

“…We provide a first detailed analysis of long-term, annual-resolution demographic trends in a temperate forest. After tracking the fates of 21 338 trees in a…”
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Long-term effects of prescribed fire on large tree growth in mixed conifer forests at Lassen Volcanic National Park, California by Wenderott, Zachary, van Mantgem, Phillip J., Wright, Micah C., Farris, Calvin A., Sherriff, Rosemary L.

“…•Growth trends for large conifers were dependent on precipitation and time since fire.•Recent average growth varied by crown ratio, local competition, and time…”
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Pre-fire drought and competition mediate post-fire conifer mortality in western U.S. National Parks by van Mantgem, Phillip J., Falk, Donald A., Williams, Emma C., Das, Adrian J., Stephenson, Nathan L.

“…Tree mortality is an important outcome of many forest fires. Extensive tree injuries from fire may lead directly to mortality, but environmental and biological…”
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Crowding, climate, and the case for social distancing among trees by Furniss, Tucker J., Das, Adrian J., Mantgem, Phillip J., Stephenson, Nathan L., Lutz, James A.

“…In an emerging era of megadisturbance, bolstering forest resilience to wildfire, insects, and drought has become a central objective in many western forests…”
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Climatic stress increases forest fire severity across the western United States by van Mantgem, Phillip J., Nesmith, Jonathan C. B., Keifer, MaryBeth, Knapp, Eric E., Flint, Alan, Flint, Lorriane

“…Pervasive warming can lead to chronic stress on forest trees, which may contribute to mortality resulting from fire‐caused injuries. Longitudinal analyses of…”
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Predictive accuracy of post‐fire conifer death declines over time in models based on crown and bole injury by Shearman, Timothy M., Varner, J. Morgan, Hood, Sharon M., Mantgem, Phillip J., Cansler, C. Alina, Wright, Micah

“…A key uncertainty of empirical models of post‐fire tree mortality is understanding the drivers of elevated post‐fire mortality several years following fire,…”
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Negligible Influence of Spatial Autocorrelation in the Assessment of Fire Effects in a Mixed Conifer Forest by Van Mantgem, Phillip J, Schwilk, Dylan W

“…Fire is an important feature of many forest ecosystems, although the quantification of its effects is compromised by the large scale at which fire occurs and…”
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Effects of postfire climate and seed availability on postfire conifer regeneration by Stewart, Joseph A. E., van Mantgem, Phillip J., Young, Derek J. N., Shive, Kristen L., Preisler, Haiganoush K., Das, Adrian J., Stephenson, Nathan L., Keeley, Jon E., Safford, Hugh D., Wright, Micah C., Welch, Kevin R., Thorne, James H.

“…Large, severe fires are becoming more frequent in many forest types across the western United States and have resulted in tree mortality across tens of…”
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Patterns of conifer invasion following prescribed fire in grasslands and oak woodlands of Redwood National Park, California by Mantgem, Phillip J., Wright, Micah C., Engber, Eamon A.

“…The invasion, or “encroachment,” of native conifers commonly occurs in the absence of frequent fire in deciduous woodlands and grasslands of the Pacific…”
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Long-term effects of prescribed fire on mixed conifer forest structure in the Sierra Nevada, California by van Mantgem, Phillip J., Stephenson, Nathan L., Knapp, Eric, Battles, John, Keeley, Jon E.

“…▶ Substantial declines in stem density and biomass occurred up to five years post-fire. ▶ Tree mortality remained above background rates up to six years…”
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