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Title: Tree mortality in a warming world: causes, patterns, and implications

Journal Article · · Environmental Research Letters

This ERL focus collection has published 17 papers that have advanced our understanding of different dimensions of warming-induced tree mortality. Here we summarize these focus collection papers, organized by four topics related to tree mortality: pathogens, droughts/heat waves, fire/bark beetles, and teleconnections/air pollution. This focus collection illustrates a variety of methods in measuring and modeling tree-mortality, and adds significant new research findings into the scientific literature on tree mortality from hotter droughts. Some of these results also are useful for policymakers and forest managers in addressing amplified forest stress and tree mortality as a result of increasingly severe warming-induced climate and weather extremes.

Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC05-76RL01830
OSTI ID:
1891769
Report Number(s):
PNNL-SA-178367
Journal Information:
Environmental Research Letters, Journal Name: Environmental Research Letters Journal Issue: 3 Vol. 17; ISSN 1748-9326
Publisher:
IOP PublishingCopyright Statement
Country of Publication:
United States
Language:
English

References (28)

Interdependence of chronic hydraulic dysfunction and canopy processes can improve integrated models of tree response to drought: MODELING CHRONIC HYDRAULIC DYSFUNCTION AND CANOPY PROCESSES journal August 2015
Wildfires and global change journal June 2021
A global overview of drought and heat-induced tree mortality reveals emerging climate change risks for forests journal February 2010
Mapping tree density at a global scale journal September 2015
Vegetation fires in the Anthropocene journal August 2020
Warming climate extends dryness-controlled areas of terrestrial carbon sequestration journal July 2014
Tipping point of a conifer forest ecosystem under severe drought journal February 2015
Focus on extreme events and the carbon cycle journal July 2015
Tree mortality from fires, bark beetles, and timber harvest during a hot and dry decade in the western United States (2003–2012) journal June 2017
Remotely sensed predictors of conifer tree mortality during severe drought journal November 2017
Mistletoe, friend and foe: synthesizing ecosystem implications of mistletoe infection journal November 2017
Temperature response surfaces for mortality risk of tree species with future drought journal November 2017
The importance of drought–pathogen interactions in driving oak mortality events in the Ozark Border Region journal December 2017
Gas exchange at whole plant level shows that a less conservative water use is linked to a higher performance in three ecologically distinct pine species journal March 2018
Continental-scale consequences of tree die-offs in North America: identifying where forest loss matters most journal May 2018
Differential ecophysiological responses and resilience to heat wave events in four co-occurring temperate tree species journal May 2018
Forest drought resistance distinguished by canopy height journal June 2018
Camouflaged as degraded wax: hygroscopic aerosols contribute to leaf desiccation, tree mortality, and forest decline journal July 2018
Chronic historical drought legacy exacerbates tree mortality and crown dieback during acute heatwave-compounded drought journal September 2018
Forest die-off following global-change-type drought alters rhizosphere fungal communities journal September 2018
Fire and tree death: understanding and improving modeling of fire-induced tree mortality journal November 2018
Temporal declines in tree longevity associated with faster lifetime growth rates in boreal forests journal December 2018
Mechanisms of a coniferous woodland persistence under drought and heat journal April 2019
Drought supersedes warming in determining volatile and tissue defenses of piñon pine ( Pinus edulis ) journal June 2019
A review of measuring ecosystem resilience to disturbance journal May 2021
Research frontiers for improving our understanding of drought-induced tree and forest mortality journal February 2018
High-Resolution Global Maps of 21st-Century Forest Cover Change journal November 2013
Pervasive shifts in forest dynamics in a changing world journal May 2020