![]() The sap is destined for a 500-gallon tank, then for transport by pickup truck to a nearby processing facility, a “sugar shack.” There, it will be reduced into a dark amber syrup with notes of bourbon, caramel and vanilla. Ettl, who oversees Pack Forest, is helping lead UW’s latest experiment to produce maple syrup from these trees. Sap drains through the tubes from clumps of bigleaf maples in Pack Forest, a 4,300-acre experimental forest owned and operated by the UW since the 1920s. “It’s either forest graffiti, or it’s an art project,” said Greg Ettl, a University of Washington forest ecologist. The bright colors contrast with the usual earth tones found in these forested foothills of Mount Rainier. The blue and green tubes, which sometimes flow with liquid, weave around maple trees and traverse the hillside, interconnected, like a tiny highway system. EATONVILLE, PIERCE COUNTY - Neon lines stretch across a forest thick with sword ferns, zigzagging across the landscape at about waist level. Department of Agriculture, Forest Service, Rocky Mountain Research Station, Fire Sciences Laboratory (2002, January). Plants in British Columbia Indian technology. Canadian Journal of Forest Research 23:1775-1780. Establishment of salmonberry, salal, vine maple, and bigleaf maple seedlings in the coastal forests of Oregon. British Columbia Ministry of Forests Research Program, Victoria, B.C. Bigleaf maple managers’ handbook for British Columbia. The distribution and synopsis of ecological and silvical characteristics of tree species of British Columbia’s forests. Canadian Journal of Forest Research 18:1226-1233. Bigleaf maple seedling establishment and early growth in Douglas-fir forests. of Agriculture Forest Service, Washington, D.C. ![]() Native woody plant seed collection guide for British Columbia. Centre for Forest Conservation Genetics, Forest Genetics Council of BC, and BC Ministry of Forests and Range, Forest Science Program, Victoria, BC Technical Report 053. Forest Tree Genetic Conservation Status Report 1: In situ conservation status of all indigenous BC species. An ecogeographic framework for in situ conservation of forest trees in British Columbia. Recently, its contribution to stand- and species diversity and its commercial potential have been recognized (Peterson 1999). Bigleaf maple was formerly considered a weed. Despite a high rate of seed predation, seedling emergence (Tappeiner and Zasada 1993) and regeneration capacity are excellent. Bigleaf maple sprouts profusely after being cut. Reproductionĭuring most years, bigleaf maple produces abundant seeds (Fried et al. No in situ conservation concerns were identified for this species. 2005Ĭonservation Status Summary – from Chourmouzis et.al. Distribution and Protected Areas – from Hamann et.al. In BC, Bigleaf maple occurs mainly in the CWH zone, where it is common, in the CDF zone, where it is fairly abundant, and the IDF zone, where it is uncommon. The first peoples considered it an excellent fuel and used the wood for carving utensils (Turner 1979).īigleaf maple occurs from Southwestern British Columbia (including Vancouver Island) to California along the coast, i.e., in the central and south of the Pacific region, as well as an area south in the Cordilleran region. The seeds are an important food source for small mammals (Uchytil 1989 Burns and Honkala 1990 Klinka et al. No major pests or diseases are associated with this species. The species is moderately shade tolerant, occurs on coarse, gravelly moist soils, and occasionally occupies newly disturbed sites. Several stems originating from the same stump may form a cluster. Bigleaf maple is a deciduous, broadleaved tree with a broad, rounded crown, up to 30 m tall.
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