نتایج جستجو برای: forest service
تعداد نتایج: 431278 فیلتر نتایج به سال:
2Assistant Forest Archeologist, USDA Forest Service, Tonto National Forest, Phoenix, AZ 85038. Abstract: Forest Service management practices have the potential for impacting cultural resources in a variety of ways, ranging from complete removal to alteration of the environmental context of prehistoric or historic proper ties. Much of this impact is derived indirectly from activities designed no...
The largest carbon (C) pool in United States forests is the soil C pool. We present methodology and soil C pool estimates used in the FORCARB model, which estimates and projects forest carbon budgets for the United States. The methodology balances knowledge, uncertainties, and ease of use. The estimates are calculated using the USDA Natural Resources Conservation Service STATSGO database, with ...
USDA Forest Service, Northern Research Station, 5985 Highway K, Rhinelander, WI, 54501 USA Department of Forest Ecosystems & Society, Oregon State University, 321 Richardson Hall, Corvallis, OR 97331, USA Direction de la recherche forestière, Ministère des Forêts, de la Faune et des Parcs du Québec, 2700 rue Einstein, Québec, G1P 3W8, Canada Rubenstein School of Environment and Natural Resource...
Jovan, Sarah. 2008. Lichen bioindication of biodiversity, air quality, and climate: baseline results from monitoring in Washington, Oregon, and California. Gen. Tech. Rep. PNW-GTR-737. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 115 p. Lichens are highly valued ecological indicators known for their sensitivity to a wide variety of environmen...
Yuan Fang, Ge Sun,* Peter Caldwell, Steven G. McNulty, Asko Noormets, Jean-Christophe Domec, John King, Zhiqiang Zhang, Xudong Zhang, Guanghui Lin, Guangsheng Zhou, Jingfeng Xiao and Jiquan Chen 1 Department of Forestry and Environmental Resources, North Carolina State University, Raleigh, NC, USA 2 Eastern Forest Environmental Threat Assessment Center, Southern Research Station, USDA Forest Se...
a USDA Forest Service, Southern Research Station, P.O. Box 12254, Research Triangle Park, NC 27709-2254, USA b USDA Forest Service, Northern Research Station, 160 Holdsworth Way, Amherst, MA 01003-9285, USA c Department of Environmental Conservation, University of Massachusetts, 160 Holdsworth Way, Amherst, MA 01003-9285, USA d Family Forest Research Center, University of Massachusetts, 160 Hol...
1Alumni and George Peak Jr. Professor of Forest Economics and Policy, School of Forestry and Wildlife Science, Auburn University, Auburn, AL 36849-5418 (phone: 334-844-1067; fax: 334-844-1084; e-mail: [email protected]). 2Assistant Professor, Institute of Finance and Economics Research, Shanghai University of Finance and Economics, No. 777 Guoding Road, Shanghai, PR China, 200433 (correspondin...
Forest weeds were not considered to be a major management problem in Hawai'i until the latter quarter of the last century. Most previous biological control programs in the state were against agricultural pests. An interagency committee (U.S.D.A. Forest Service, National Park Service, Hawai'i Department of Agriculture, Hawai'i Division of Forestry and Wildlife, and the University of Hawai'i) was...
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