Alaska-Cedar – Chamaecyparis Nootkatensis
Family Cupressaceae – Redwood, Cypress, Arborvitae.
Alaska-cedar is also known as Alaska yellow-cedar, yellow-cedar, Alaska cypress, and Nootka cypress.
These Alaska-cedars are undergoing testing at the Morton Arboretum’s Godshalk Meadow
Alaska-cedar is also commonly called Alaska yellow-cedar, yellow-cedar, Alaska cypress, and Nootka cypress. An important timber species, it is one of the slowest-growing conifers.
Alaska-cedar grows from northern California to Prince William Sound, AK Except for a few isolated stands, it is found within 160 km (100 miles) of the Pacific coast. Isolated stands in the Siskiyou Mountains, CA, near the Oregon border mark its southern limit. In Oregon and Washington, Alaska-cedar grows in the Cascade Range and Olympic Mountains; scattered populations are found in the Coast Ranges and in the Aldrich Mountains of central Oregon. In British Columbia and north to Wells Bay in Prince William Sound, AK, it grows in a narrow strip on the islands and coastal mainland.
Alaska-cedar is notable within the cypress family for its tolerance of cool and wet conditions. The climate of its natural range is cool and humid. Climatic conditions at elevations where Alaska-cedar grows in the Cascade Range of Washington are somewhat comparable to those at sea level in coastal Alaska.
Since at least 1880, Alaska-cedar has suffered advancing decline and mortality on more than 100 000 ha (247,000 acres) of bog and semi-bog land in southeast Alaska. Abiotic factors appear to be responsible, but the primary cause remains unknown. In southeast Alaska, brown bears (Ursa arctos) frequently cause basal scarring by biting and stripping bark. Scarring is most common on well drained sites. This wounding results in fungal attack, which in time reduces volume and value of butt logs.
Special attributes of Alaska-cedar wood include durability, freedom from splitting and checking, resistance to acid, smooth-wearing qualities, and excellent characteristics for milling. It is suitable for boatbuilding, utility poles, heavy flooring, framing, bridge and dock decking, marine piling, window boxes, stadium seats, water and chemical tanks, cooling towers, bedding for heavy machinery, furniture, patterns, molding, sash, doors, paneling, toys, musical instruments, and carving. The wood is highly regarded in Japan, and most high-quality logs are exported. –USDA Forest Service Silvics Manual
1. Edward F. Gilman and Dennis G. Watson, USDA Forest Service Sheet ST-475, Alaska-Cedar
2. USDA, ARS, National Genetic Resources Program. Germplasm Resources Information Network
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