Biomass and stand characteristics of a highly productive mixed douglas-fir and western hemlock plantation in coastal Washington

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MetadadosDescriçãoIdioma
Autor(es): dc.contributorBox 352100-
Autor(es): dc.contributorUniversity of Denver-
Autor(es): dc.contributorRegional Environment Office-
Autor(es): dc.contributorWeyerhauser Company-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorCornell University-
Autor(es): dc.contributorUniversity of Washington-
Autor(es): dc.contributorThe Nature Conservancy-
Autor(es): dc.contributorPhilips US Fleet-
Autor(es): dc.creatorHarrison, Robert B.-
Autor(es): dc.creatorTerry, Thomas A.-
Autor(es): dc.creatorLicata, Christopher W.-
Autor(es): dc.creatorFlaming, Barry L.-
Autor(es): dc.creatorMeade, Rod-
Autor(es): dc.creatorGuerrini, Irae A.-
Autor(es): dc.creatorStrahm, Brian D.-
Autor(es): dc.creatorXue, Dongsen-
Autor(es): dc.creatorLolley, M. Reese-
Autor(es): dc.creatorSidell, Amy R.-
Autor(es): dc.creatorWagoner, Gage L.-
Autor(es): dc.creatorBriggs, David-
Autor(es): dc.creatorTurnblom, Eric C.-
Data de aceite: dc.date.accessioned2025-08-21T18:09:15Z-
Data de disponibilização: dc.date.available2025-08-21T18:09:15Z-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2009-01-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1093/wjaf/24.4.180-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/225735-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/225735-
Descrição: dc.descriptionAboveground biomass predictive equations were developed for a highly productive 47-year-old mixed Douglas-fir and western hemlock stand in southwest Washington State to characterize the preharvest stand attributes for the Fall River Long-Term Site Productivity Study. The equations were developed using detailed biomass data taken from 31 Douglas-fir and 11 western hemlock trees within the original stand. The stand had an average of 615 live trees per hectare, with an average dbh of 35.6 cm (39.1 cm for Douglas-fir and 33.3 cm for western hemlock) and an average total tree height of 31.6 m (32.8 m for Douglas-fir and 30.2 m for western hemlock). Equations developed were of the form ln Y = b1 + b2 ln dbh, where Y = biomass in kg, dbh = diameter in cm at 1.3 m height, b1 = intercept, and b2 = slope of equation. Each tree part was estimated separately and also combined into total aboveground biomass. The total aboveground biomass estimation equations were ln Y=-0.9950 + 2.0765 ln dbh for Douglas-fir, and ln Y=-1.6612 + 2.2321 ln dbh for western hemlock. The estimate of the aboveground live-tree biomass was of 395 Mg ha-1 (235 Mg ha-1 for Douglas-fir and 160 Mg ha-1 for western hemlock), with 9.5, 29.3, 12.9, 308, and 32.7 Mg ha-1 in the foliage, live branches, dead branches, stem wood, and stem bark, respectively. When compared with biomass estimates from six other studies, ranging in age from 22 to 110 years and from 96.3 to 636 Mg ha-1, the biomass of the Fall River site was relatively high for its age, indicating very high productivity. Copyright © 2009 by the Society of American Foresters.-
Descrição: dc.descriptionSoil and Environment Sciences Forest Resources University of Washington Box 352100, Seattle, WA 98195-2100-
Descrição: dc.descriptionDepartment of Biological Sciences University of Denver, Denver, CO 80208-
Descrição: dc.descriptionUSAID Regional Development Mission for Asia Regional Environment Office, 93/1 Wireless Road, Bangkok 10330-
Descrição: dc.descriptionWestern Forestry Research Weyerhauser Company, Centralia, WA 98513-
Descrição: dc.descriptionFaculdade de Ciencias Agronomicas Dep. de Ciencias do Solo UNESP, 18600-000 Botucatu-SP, Brasil-
Descrição: dc.descriptionDepartment of Ecology and Evolutionary Biology Cornell University, E343 Corson Hall, Ithaca, NY 14853-
Descrição: dc.descriptionCollege of Forest Resources University of Washington, Box 352100, Seattle, WA 98195-2100-
Descrição: dc.descriptionThe Nature Conservancy, 1001 West Yakima Ave., Yakima, WA 98902-
Descrição: dc.descriptionPhilips US Fleet, 22100 Bothell Everett Highway, Bothell, WA98021-
Descrição: dc.descriptionFaculdade de Ciencias Agronomicas Dep. de Ciencias do Solo UNESP, 18600-000 Botucatu-SP, Brasil-
Formato: dc.format180-186-
Idioma: dc.languageen-
Relação: dc.relationWestern Journal of Applied Forestry-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectEven-aged stands-
Palavras-chave: dc.subjectPacific northwest-
Palavras-chave: dc.subjectPrediction equations-
Título: dc.titleBiomass and stand characteristics of a highly productive mixed douglas-fir and western hemlock plantation in coastal Washington-
Tipo de arquivo: dc.typelivro digital-
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