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A graceful conifer of the northeastern United States and Canada, northern white-cedar (Thuja occidentalis) is one of the least studied commercially important species in the region. However, forest land owners and managers in both countries have realized that regeneration and survival of white-cedar have become problematical and that ensuring that it continues to thrive is important to the ecology and economy of northern forests. The rot- and termite-resistant wood is used principally for products in contact with water and soil. Northern white-cedar has the lightest weight of any commercial wood in the United States. The heartwood is resistant to decay and subterranean termites, is easy to work, glues well, holds paint well, and has little dimensional change. However, the wood is soft and has low bending strength and nail-holding ability. Recent uses have been principally for rustic fencing, posts, mulch, and house shingles, especially along the seacoast. Other uses include cabin logs, lumber, poles, and specialty products; early Native Americans used it for canoe frames. In response to the need for information on northern white-cedar ecology, regeneration, and silviculture, Northern Research Station scientist Laura Kenefic joined with partners in the United States and Canada to seek answers. Their work synthesizes existing knowledge as well as new studies of regeneration, growth, mortality, site relationships, and responses to treatment. Their recommendations include retaining and releasing white-cedar in managed stands, and establishing and protecting advance regeneration and residual trees during harvesting.
ECOLOGICAL SILVICULTURAL SYSTEMS Unleash the natural power and adaptability of forests with this cutting-edge guide For generations, silvicultural systems have focused largely on models whose primary objective is the production of timber, leading to drastically simplified forests with reduced ecological richness, diversity, and complexity. Ecological silviculture, by contrast, focuses on producing and maintaining forests with “all their parts”—, that is, with the diversity and flexibility to respond and adapt to global changes. Ecological silviculture seeks to emulate natural development models and sustain healthy forests serving multiple values and goals. Ecological Silvicultural Systems provides a comprehensive introduction to these approaches and their benefits tailored to diverse types of forests, designed for forest management professionals. It provides a series of exemplary models for ecological silviculture and surveys the resulting forest ecosystems. The result is a text that meets the needs of professionals in forestry and natural resource management with an eye towards sustaining healthy forest ecosystems, adapting them to climate change, protecting them from invasive species, and responding to changing market forces. Ecological Silvicultural Systems readers will also find: Detailed treatment of forest ecosystems in North America, Europe, South America, and Australia A broad field of contributors with decades of combined expertise on multiple continents Discussion of pine woodlands; temperate hardwood forests, boreal forests, temperate rainforests, and more Ecological Silvicultural Systems is a useful reference for professional foresters, wildlife habitat managers, restoration ecologists, and undergraduate and graduate students in any of these fields.