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Temperate forest health in an era of emerging megadisturbanceAuthor(s): C. I. Millar; N. L. Stephenson
Source: Science. 349(6250): 823-826
Publication Series: Scientific Journal (JRNL)
Station: Pacific Southwest Research Station
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DescriptionAlthough disturbances such as fire and native insects can contribute to natural dynamics of forest health, exceptional droughts, directly and in combination with other disturbance factors, are pushing some temperate forests beyond thresholds of sustainability. Interactions from increasing temperatures, drought, native insects and pathogens, and uncharacteristically severe wildfire are resulting in forest mortality beyond the levels of 20th-century experience. Additional anthropogenic stressors, such as atmospheric pollution and invasive species, further weaken trees in some regions. Although continuing climate change will likely drive many areas of temperate forest toward large-scale transformations, management actions can help ease transitions and minimize losses of socially valued ecosystem services.
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CitationMillar, C. I.; Stephenson, N. L. 2015. Temperate forest health in an era of emerging megadisturbance. Science. 349(6250): 823-826.
Keywordsforest health, hot drought, wildfire, insects, pathogens, ecosystem services
- Disturbance and sustainability in forests of the Western United States
- Effects of drought on forests and rangelands in the United States: a comprehensive science synthesis
- Drought occurence
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