J Morgan Varner
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Explore the profile of J Morgan Varner including associated specialties, affiliations and a list of published articles.
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19
Citations
77
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Recent Articles
1.
Crandall R, Chew Y, Fill J, Kreye J, Varner J, Kobziar L
Ecol Evol
. 2024 Jul;
14(7):e70021.
PMID: 39026947
Overstory trees serve multiple functions in grassy savannas. Past research has shown that understory species can vary along gradients of canopy cover and basal area in savannas. This variation is...
2.
Gold Z, Pellegrini A, Refsland T, Andrioli R, Bowles M, Brockway D, et al.
Ecol Lett
. 2023 May;
26(7):1237-1246.
PMID: 37161930
Fire-vegetation feedbacks potentially maintain global savanna and forest distributions. Accordingly, vegetation in savanna and forest ecosystems should have differential responses to fire, but fire response data for herbaceous vegetation have...
3.
Shuman J, Balch J, Barnes R, Higuera P, Roos C, Schwilk D, et al.
PNAS Nexus
. 2023 Feb;
1(3):pgac115.
PMID: 36741468
Fire is an integral component of ecosystems globally and a tool that humans have harnessed for millennia. Altered fire regimes are a fundamental cause and consequence of global change, impacting...
4.
Shearman T, Varner J, Hood S, van Mantgem P, Cansler C, Wright M
Ecol Appl
. 2022 Oct;
33(2):e2760.
PMID: 36218008
A key uncertainty of empirical models of post-fire tree mortality is understanding the drivers of elevated post-fire mortality several years following fire, known as delayed mortality. Delayed mortality can represent...
5.
Varner J, Shearman T, Kane J, Banwell E, Jules E, Stambaugh M
Sci Rep
. 2022 May;
12(1):7384.
PMID: 35513430
Pinus species dominate fire-prone ecosystems throughout the northern hemisphere. Their litter drive fires that control plant community flammability and multiple ecological processes. To better understand the patterns and mechanisms of...
6.
Poulter B, Freeborn P, Jolly W, Varner J
Proc Natl Acad Sci U S A
. 2021 Oct;
118(43).
PMID: 34663728
Fire is a common ecosystem process in forests and grasslands worldwide. Increasingly, ignitions are controlled by human activities either through suppression of wildfires or intentional ignition of prescribed fires. The...
7.
Varner J, Hood S, Aubrey D, Yedinak K, Hiers J, Jolly W, et al.
New Phytol
. 2021 Jun;
231(5):1676-1685.
PMID: 34105789
The dead foliage of scorched crowns is one of the most conspicuous signatures of wildland fires. Globally, crown scorch from fires in savannas, woodlands and forests causes tree stress and...
8.
Gao P, Terando A, Kupfer J, Varner J, Stambaugh M, Lei T, et al.
Sci Total Environ
. 2021 Jun;
789:147872.
PMID: 34082198
Globally increasing wildfires have been attributed to anthropogenic climate change. However, providing decision makers with a clear understanding of how future planetary warming could affect fire regimes is complicated by...
9.
Pellegrini A, Refsland T, Averill C, Terrer C, Staver A, Brockway D, et al.
Nat Ecol Evol
. 2021 Feb;
5(4):504-512.
PMID: 33633371
Global change has resulted in chronic shifts in fire regimes. Variability in the sensitivity of tree communities to multi-decadal changes in fire regimes is critical to anticipating shifts in ecosystem...
10.
The Fire and Tree Mortality Database, for empirical modeling of individual tree mortality after fire
Cansler C, Hood S, Varner J, van Mantgem P, Agne M, Andrus R, et al.
Sci Data
. 2020 Jun;
7(1):194.
PMID: 32572035
Wildland fires have a multitude of ecological effects in forests, woodlands, and savannas across the globe. A major focus of past research has been on tree mortality from fire, as...