B43H:
Tree Mortality: Causes, Patterns, and Implications I

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Session ID#: 15303

Session Description:
Tree mortality and forest die-off have increased markedly in recent decades (Allen et al., 2010; 2015). Climate data indicate that warm area of the land has been increasing and the warm part of the land is drying (Yi et al., 2014). The hotter-drought climate might be a main driver for widespread tree mortality. Global vulnerability of forests to climate-induced tree mortality has become great concerned. Here, we call latest research related to all aspects of climate-induced tree mortality from drought stress, insect attach, forest fire, and other climate change related by using various approaches (e.g. sap flows measurements, tree-ring data, remote sensing image, physiological modeling, forest-climate modeling). The contributions to this session will be invited to submit to a special issue for Environmental Research Letters. Studies on threshold values of climate conditions for drought-induced tree mortality, forest fire, and bark-beetle outbreaks are highly encouraged.
Primary Convener:  Chuixiang Yi, CUNY Queens College, School of Earth and Environmental Sciences, Flushing, NY, United States
Conveners:  George R Hendrey, CUNY Queens College, Flushing, NY, United States and Shuli Niu, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China
Chairs:  George R Hendrey, CUNY Queens College, Flushing, NY, United States and Shuli Niu, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China
OSPA Liaison:  Chuixiang Yi, CUNY Queens College, School of Earth and Environmental Sciences, Flushing, NY, United States
Co-Organized with:
Natural Hazards, Global Environmental Change, Hydrology, and Natural Hazards

Cross-Listed:
  • GC - Global Environmental Change
  • H - Hydrology
  • NH - Natural Hazards

Proposed Co-Organized Session with:
  • GC - Global Environmental Change
  • H - Hydrology
  • NH - Natural Hazards
Index Terms:

0456 Life in extreme environments [BIOGEOSCIENCES]
1605 Abrupt/rapid climate change [GLOBAL CHANGE]
1812 Drought [HYDROLOGY]
4313 Extreme events [NATURAL HAZARDS]

Abstracts Submitted to this Session:

Hydraulic Function in Australian Tree Species during Drought-Induced Mortality (146179)
David Tissue1, Chelsea Maier1, Danielle Creek1 and Brendan Choat2, (1)Western Sydney University, Hawkesbury Institute for the Environment, Richmond, Australia, (2)Hawkesbury Institute for the Environment, Western Sydney University, Richmond, NSW, Australia
Long-term climate and competition explain regional forest mortality patterns under extreme drought (197955)
Andrew Latimer1, Derek J Young1, Jens T Stevens2, J Mason Earles3, Adam Ellis4, Amy Jirka4 and Jeffrey Moore4, (1)University of California Davis, Davis, United States, (2)University of California Berkeley, Department of Environmental Science, Policy, and Management, Berkeley, CA, United States, (3)Yale University, School of Forestry and Environmental Studies, New Haven, CT, United States, (4)US Forest Service Pacific Southwest Region Vallejo, Region 5, Vallejo, CA, United States
Next Steps in Understanding and Predicting Vegetation Mortality under Heat and Drought (Invited) (118201)
Nathan G G McDowell, Los Alamos National Laboratory, Los Alamos, NM, United States
Climate Patterns and Trends of Tree-Mortality in the Southwestern United States (118112)
Chuixiang Yi1, Guangwei Mu1, George R Hendrey2 and Sergio Vicente-Serrano3, (1)CUNY Queens College, School of Earth and Environmental Sciences, Flushing, NY, United States, (2)CUNY Queens College, Flushing, NY, United States, (3)Instituto Pirenaico de Ecologı´a, Zaragoza, Spain
Meta-analysis Reveals that Hydraulic Traits Explain Cross-Species Patterns of Drought-Induced Tree Mortality across the Globe (Invited) (122897)
William Anderegg, University of Utah, Salt Lake City, UT, United States
Size matters a lot: tree height and prior growth predict drought-induced tree death in Italian oak forests (173809)
Francesco Ripullone1, Michele Colangelo1, Jesus Julio Camarero2, Antonio Gazol2, Marco Borghetti1 and Tiziana Gentilesca1, (1)University of Basilicata, Potenza, Italy, (2)Instituto Pirenaico de Ecología, Zaragoza, Spain
For a Limited Time Only? How Long Can Trees Maintain Enhanced Chemical Defenses During Pre-Mortality Heat and Drought Stress (182399)
Amy Trowbridge1, Henry D Adams2, Adam Anderson Cook1, Megan Hofland1, David Weaver1 and Nathan G G McDowell3, (1)Montana State University, Bozeman, MT, United States, (2)Oklahoma State University, Plant Biology, Ecology, and Evolution, Stillwater, OK, United States, (3)Los Alamos National Laboratory, Los Alamos, NM, United States
Climate Change-associated Tree Mortality Increases Without Decreasing Water Availability (117689)
Han Y.H. Chen, Lakehead University, Thunder Bay, ON, Canada

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