Ecological Setting of the Wind River Old-Growth Forest
Ecosystems (2004) 7: 427439 DOI: 10.1007/~10021-004-0135-6 0 2004 Springer-Verlag - Ecological Setting of the Wind River Old-growth Forest David C. shaw,ly2* Jerry F. ~ranklin,'~'Ken ~ible,'.' Jeffrey ~lo~atek,~ Elizabeth Freeman, Sarah ~reene,~and Geoffrey G. parker5 wind River Canopy Crane Research Facility, University of Washington, Carson, Washington 98610, USA; 'college of Forest Resources, University of Washington, Seattle, Washington 98195-2100, USA; '~epartmentof Plant Biology, Arizona State University, Tempe, Arizona 85287-1601, USA; 4PacificNorthwest Research Station, Forestry Sciences Laboratory, US Forest Service, Corvallis, Oregon 97331, USA; 5~mithsonianEnvironmental Research Center, Edgewater, Maryland 21037-0028, USA The Wind River old-growth forest, in the southern cific yew (86 trees ha-'), western red cedar (30 trees Cascade Range of Washington State, is a cool (av- ha-'), and Pacific silver fir (47 trees ha-'). The av- erage annual temperature, 8.7"C), moist (average erage height of Douglas-fir is 52.0 m (tallest tree, annual precipitation, 2223 mm), 500-year-old 64.6 m), whereas western hemlock averages 19.0 m Douglas-fir-westem hemlock forest of moderate to (tallest tree, 55.7 m). The regional disturbance re- low productivity at 37 1-rn elevation on a less than gime is dominated by high-severity to moderate- 10% slope. There is a seasonal snowpack (Novem- severity fire, from which this forest is thought to ber-March), and rain-on-snow and freezing-rain have originated. There is no evidence that fire has events are common in winter. Local geology is occurred in the forest after establishment.
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