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- Howell, Brian, et al. Show all 6 Authors
- Forest ecology and management 2010 v.260 no.5 pp. 638
- forest decline; Populus tremuloides; forest health; dieback; tree mortality; disease severity; disease outbreaks; climatic factors; climate change; drought; precipitation; roots; forest regeneration; equations; tree crown; slope; landscape position; forest trees; etiology; dry environmental conditions; soil water regimes; aridic regimes; risk assessment; forest stands; root growth; soil water; risk factors; wet-dry cycles; Colorado
- ... Sudden aspen decline (SAD), affecting Populus tremuloides, was first observed in Colorado in 2004. By 2008 it affected at least 220,000ha, an estimated 17% of the aspen cover type in the state. In southwestern Colorado, we examined site and stand features in paired healthy and damaged plots to assess the effects of SAD on aspen and to identify factors associated with decline. Root mortality increa ...