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13-17 May 2013
Tucson, Arizona
US/Arizona timezone
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Examining recent growth rebounds of red spruce trees in the northeastern forest

Presented by Ms. Alexandra KOSIBA on 16 May 2013 from 16:00 to 16:20
Type: Oral Presentation
Track: Recent growth changes and tree mortality

Content

Red spruce (Picea rubens Sarg.) diameter growth in the northeastern United States has decreased since the 1960s due to a combination of factors, including foliar winter injury predisposed by acidic deposition-induced calcium depletion. We assessed the influence of a severe region-wide winter injury event in 2003 on radial growth decline and the subsequent rebound of red spruce growth in stands in Vermont, New Hampshire, and Massachusetts, USA. We found that growth declines relative to pre-injury growth persisted for three years following the winter injury event. We also found that, 1) growth declines were followed by an unprecedented rebound in growth, and 2) stands did not rebound uniformly when grouped by elevation (mid-elevation plots rebounded most robustly). We evaluated the relationship between climate and other parameters to growth in order to examine possible reasons for the recent growth rebound following decades of regional species decline.

Place

Location: DoubleTree
Room: Salon D

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