Search Results - "Varner, Morgan"

Mesophication of Oak Landscapes: Evidence, Knowledge Gaps, and Future Research by Alexander, Heather D, Siegert, Courtney, Brewer, J Stephen, Kreye, Jesse, Lashley, Marcus A, McDaniel, Jennifer K, Paulson, Alison K, Renninger, Heidi J, Varner, J Morgan

“…Abstract Pyrophytic oak landscapes across the central and eastern United States are losing dominance as shade-tolerant, fire-sensitive, or opportunistic tree…”
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Post-fire regeneration across a fire severity gradient in the southern Cascades by Crotteau, Justin S., Morgan Varner, J., Ritchie, Martin W.

“…► We examine post-fire vegetation recovery 9–10years after fire. ► Seedling and shrub trends observed across 3 forest types and 4 burn-severities. ► Greatest…”
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Prescribed fire in North American forests and woodlands: history, current practice, and challenges by Ryan, Kevin C, Knapp, Eric E, Varner, J Morgan

“…Whether ignited by lightning or by Native Americans, fire once shaped many North American ecosystems. Euro-American settlement and 20th-century fire…”
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Fire and tree death: understanding and improving modeling of fire-induced tree mortality by Hood, Sharon M, Varner, J Morgan, van Mantgem, Phillip, Cansler, C Alina

“…Each year wildland fires kill and injure trees on millions of forested hectares globally, affecting plant and animal biodiversity, carbon storage, hydrologic…”
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COVID-19 lockdowns drive decline in active fires in southeastern United States by Poulter, Benjamin, Freeborn, Patrick H., Jolly, W. Matt, Varner, J. Morgan

“…Fire is a common ecosystem process in forests and grasslands worldwide. Increasingly, ignitions are controlled by human activities either through suppression…”
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Fire as a fundamental ecological process: Research advances and frontiers by McLauchlan, Kendra K., Higuera, Philip E., Miesel, Jessica, Rogers, Brendan M., Schweitzer, Jennifer, Shuman, Jacquelyn K., Tepley, Alan J., Varner, J. Morgan, Veblen, Thomas T., Adalsteinsson, Solny A., Balch, Jennifer K., Baker, Patrick, Batllori, Enric, Bigio, Erica, Brando, Paulo, Cattau, Megan, Chipman, Melissa L., Coen, Janice, Crandall, Raelene, Daniels, Lori, Enright, Neal, Gross, Wendy S., Harvey, Brian J., Hatten, Jeff A., Hermann, Sharon, Hewitt, Rebecca E., Kobziar, Leda N., Landesmann, Jennifer B., Loranty, Michael M., Maezumi, S. Yoshi, Mearns, Linda, Moritz, Max, Myers, Jonathan A., Pausas, Juli G., Pellegrini, Adam F. A., Platt, William J., Roozeboom, Jennifer, Safford, Hugh, Santos, Fernanda, Scheller, Robert M., Sherriff, Rosemary L., Smith, Kevin G., Smith, Melinda D., Watts, Adam C., Durigan, Giselda

“…Fire is a powerful ecological and evolutionary force that regulates organismal traits, population sizes, species interactions, community composition, carbon…”
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Hidden Costs of Fire Exclusion in Longleaf Pine Forests Linked to Duff And Carbon Management by Susaeta, Andres, Fill, Jennifer, Crandall, Raelene, Varner, J Morgan

“…Abstract The reintroduction of fire to long-unburned pine ecosystems is a silvicultural tool to restore their ecological and economic value. However, if…”
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Robust projections of future fire probability for the conterminous United States by Gao, Peng, Terando, Adam J., Kupfer, John A., Morgan Varner, J., Stambaugh, Michael C., Lei, Ting L., Kevin Hiers, J.

“…Globally increasing wildfires have been attributed to anthropogenic climate change. However, providing decision makers with a clear understanding of how future…”
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Increasing Threat of Wildfires: the Year 2020 in Perspective: A Global Ecology and Biogeography Special Issue by Nolan, Rachael H, Anderson, Liana O, Poulter, Benjamin, Varner, J Morgan

“…Each year, wild and managed fires burn roughly 4 million km2 [~400 million hectares (Mha)] of savanna, forest, grassland and agricultural ecosystems. Land use…”
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Understanding flammability and bark thickness in the genus Pinus using a phylogenetic approach by Varner, J. Morgan, Shearman, Timothy M., Kane, Jeffrey M., Banwell, Erin M., Jules, Erik S., Stambaugh, Michael C.

“…Pinus species dominate fire-prone ecosystems throughout the northern hemisphere. Their litter drive fires that control plant community flammability and…”
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Tree crown injury from wildland fires: causes, measurement and ecological and physiological consequences by Varner, J. Morgan, Hood, Sharon M., Aubrey, Doug. P., Yedinak, Kara, Hiers, J. Kevin, Jolly, W. Matthew, Shearman, Timothy M., McDaniel, Jennifer K., O’Brien, Joseph J., Rowell, Eric M.

“…Summary The dead foliage of scorched crowns is one of the most conspicuous signatures of wildland fires. Globally, crown scorch from fires in savannas,…”
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Long-term effects of fire severity on oak-conifer dynamics in the southern Cascades by Cocking, Matthew I., Varner, J. Morgan, Knapp, Eric E.

“…We studied vegetation composition and structure in a mixed conifer-oak ecosystem across a range of fire severity 10 years following wildfire. Sample plots…”
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Long-Duration Soil Heating Resulting from Forest Floor Duff Smoldering in Longleaf Pine Ecosystems by Kreye, Jesse K, Varner, J Morgan, Kobziar, Leda N

“…Abstract Prescribed fire is commonly used in southeastern US forests and is being more widely applied in fire-prone ecosystems elsewhere. Research on direct…”
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Herbaceous vegetation responses to experimental fire in savannas and forests depend on biome and climate by Gold, Zachary J., Pellegrini, Adam F. A., Refsland, Tyler K., Andrioli, Romina J., Bowles, Marlin L., Brockway, Dale G., Burrows, Neil, Franco, Augusto C., Hallgren, Steve W., Hobbie, Sarah E., Hoffmann, William A., Kirkman, Kevin P., Reich, Peter B., Savadogo, Patrice, Silvério, Divino, Stephan, Kirsten, Strydom, Tercia, Varner, J. Morgan, Wade, Dale D., Wills, Allan, Staver, A. Carla

“…Fire–vegetation feedbacks potentially maintain global savanna and forest distributions. Accordingly, vegetation in savanna and forest ecosystems should have…”
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Ecological value of retaining pyrophytic oaks in longleaf pine ecosystems by Hiers, J. Kevin, Walters, Jeffrey R., Mitchell, Robert J., Varner, J. Morgan, Conner, L. Mike, Blanc, Lori A., Stowe, Johnny

“…Species intolerant to fire, defined as lacking adaptations needed to establish dominance in a frequently burned landscape, are found within fire-prone…”
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Longleaf Pine (Pinus palustris Mill.) Branch Pruning by Prescribed Fire by McGuire, John P, Kush, John S, Varner, J Morgan, Lauer, Dwight K, Mitchell, J Ryan

“…Abstract Efforts to restore longleaf pine (Pinus palustris Mill.) in the southeastern US require substantial artificial regeneration. Once established,…”
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Biogeography of fire regimes in western U.S. conifer forests: A trait‐based approach by Stevens, Jens T., Kling, Matthew M., Schwilk, Dylan W., Varner, J. Morgan, Kane, Jeffrey M., Gillespie, Thomas

“…Aim Functional traits are a crucial link between species distributions and the ecosystem processes that structure those species’ niches. Concurrent increases…”
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Increasing Pace and Scale of Prescribed Fire via Catastrophe Funds for Liability Relief by Varner, J. Morgan, Hiers, J. Kevin, Wheeler, Slaton B., McGuire, John, Quinn-Davidson, Lenya, Palmer, William E., Fowler, Laurie

“…Increased prescribed burning is needed to provide a diversity of public benefits, including wildfire hazard reduction, improved forest resilience, and…”
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Unexpected redwood mortality from synergies between wildfire and an emerging infectious disease by Metz, Margaret R, Varner, J. Morgan, Frangioso, Kerri M, Meentemeyer, Ross K, Rizzo, David M

“…An under-examined component of global change is the alteration of disturbance regimes due to warming climates, continued species invasions, and accelerated…”
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Pine trees structure plant biodiversity patterns in savannas by Crandall, Raelene M., Chew, Yingen M., Fill, Jennifer M., Kreye, Jesse K., Varner, J. Morgan, Kobziar, Leda N.

“…Overstory trees serve multiple functions in grassy savannas. Past research has shown that understory species can vary along gradients of canopy cover and basal…”
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