نتایج جستجو برای: usda forest service rocky mountain research station

تعداد نتایج: 1811462  

1999
A. Reams

By Francis A. Roesch and Gregorv A. Reams Y I The USDA Forest Service Southern Research Station (SRS) Forest Inventory and Analysis Unit (FIA) has initiated an annualized forest inventory sampling des@, the Southern Annual Forest Inventory System (SAFIS). SAFIS was introduced to improve estimation of both the current resource inventory and changes in the resource. Under the previous periodic in...

2011
Dana R. Nossov Teresa N. Hollingsworth Roger W. Ruess Knut Kielland

floodplain: patterns of recruitment, disease and succession Dana R. Nossov*, Teresa N. Hollingsworth, Roger W. Ruess and Knut Kielland Institute of Arctic Biology, University of Alaska Fairbanks, PO Box 757000, Fairbanks, AK 99775, USA; Boreal Ecology Cooperative Research Unit, University of Alaska Fairbanks, PO Box 756780, Fairbanks, AK 99775, USA; and Boreal Ecology Cooperative Research Unit,...

2002
Nicholas L. Crookston Melinda Moeur David Renner

Partially inventoried planning area Planning area fully populated with inventory information using global data and estimates of ground data based on "most similar neighbors." { You may order additional copies of this publication by sending your mailing information in label form through one of the following media. Please specify the publication title and number. Abstract ________________________...

2009
Sándor F. Tóth Robert G. Haight Stephanie A. Snyder Sonney George James R. Miller Mark S. Gregory Adam M. Skibbe

College of Forest Resources, University of Washington, Box 352100, Seattle, WA 98195, United States USDA Forest Service, Northern Research Station, 1992 Folwell Ave., St. Paul, MN 55108, United States c School of Forest Resources, Penn State University, 203 Forest Resources Bldg., University Park, PA 16802, United States Department of Natural Resources and Environmental Sciences, University of ...

2013
Erik Lilleskov Mac A. Callaham Richard Pouyat Jane E. Smith Michael Castellano Grizelle González D. Jean Lodge Rachel Arango Frederick Green

Invasive species have a wide range of effects on soils and their inhabitants. By altering soils, through their direct effects on native soil organisms (including plants), and by their interaction with the aboveground environment, invasive soil organisms can have dramatic effects on the environment, the economy and human health. The most widely recognized effects include damage to human health a...

2015
Daowei Zhang Xing Sun Brett J. Butler Jeffrey P. Prestemon

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...

2000
A. D. Wilson

A. D. Wilson The USDA Forest Service has been involved in Texas oak wilt research since 1976. Despite research successes, there are still many important research areas that have not been addressed or sufficiently investigated to answer the key questions required for making sound disease management decisions. Some of the priority areas planned for future research by the Southern Hardwoods Labora...

2015
Laurel J. Haavik Sharon A. Billings James M. Guldin Fred M. Stephen

Department of Entomology, The Ohio State University, Ohio Agricultural Research and Development Center, 1680 Madison Avenue, Wooster, OH 44691, USA Department of Ecology and Evolutionary Biology and Kansas Biological Survey, University of Kansas, 2101 Constant Ave, Lawrence, KS 66044, USA USDA Forest Service, Southern Research Station, 607 Reserve Street, Hot Springs, AR, 71902, USA Department ...

2015
Hailemariam Temesgen David Affleck Krishna Poudel Andrew Gray John Sessions

A review of the challenges and opportunities in estimating above ground forest biomass using treelevel models Hailemariam Temesgen, David Affleck, Krishna Poudel, Andrew Gray & John Sessions a Department of Forest Engineering, Resources and Management, Oregon State University, Corvallis, OR 97333, USA b College of Forestry and Conservation, The University of Montana, 32 Campus Drive, Missoula, ...

2005
Gordon A. Bradley

This paper reports on a collaborative project between the Washington State Department of Natural Resources (DNR) and the USDA Forest Service, Pacific Northwest Research Station (PNW), in cooperation with the University of Washington College of Forest Resources (UW). The collaborators are conducting a joint study of the silvicultural, economic, and visual effects of alternative timber harvest pa...

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