نتایج جستجو برای: northwest
تعداد نتایج: 18854 فیلتر نتایج به سال:
The Lacinipolia vicina (Grote) species complex, previously consisting of Lacinipolia vicina, Lacinipolia teligera (Morrison), Lacinipolia pensilis (Grote), and Lacinipolia subalba Mustelin is revised to six species: Lacinipolia vicina (eastern USA), Lacinipolia teligera (southern Great Plains), Lacinipolia pensilis (Pacific Northwest and northern Rocky Mountains), Lacinipolia acutipennis (Grote...
ce. Gen. Tech. Rep. PNW-GTR-635. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 389p. O'HARA, K. L., R. S. SEYMOUR, S. D. TESCH and J. M. GULDIN (1994): Silviculture and our changing profession: leadership for shifting paradigms. J. For. 92(1): 8-13 PETERSON, C. E. and D. A. MAGUIRE (eds). (2005): Balancing ecosystem values: innovative experime...
a Eastern Forest Environmental Threat Assessment Center, Southern Research Station, USDA Forest Service, PO Box 12254, Research Triangle Park, NC 27709, USA b Forest Economics and Policy Work Unit, Southern Research Station, USDA Forest Service, PO Box 12254, Research Triangle Park, NC 27709, USA c Goods, Services, and Values Program, Pacific Northwest Research Station, USDA Forest Service, 620...
K. S. Johnson, B. de Foy, B. Zuberi, L. T. Molina, M. J. Molina, Y. Xie, A. Laskin, and V. Shutthanandan Department of Chemistry and of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA, USA Applied Geology and Geochemistry Technical Group, Pacific Northwest National Laboratory, Richland, WA, USA William R. Wiley Environmental Molecular Sciences Lab...
The bear-sized ground sloth Megalonyx, endemic to North America, was widespread during the Pleistocene, reaching as far north as Alaska, Yukon, and Northwest Territories. Twenty-two specimens collected from 10 localities in the Old Crow Basin, northern Yukon, include several bones that can be referred to Jefferson’s ground sloth (Megalonyx jeffersonii) on the basis of the distinctive morphology...
Erratum This article [1] has been retracted by the Editor. Fig. 1, which was part of a doctoral dissertation by Jie Sun (Northwest University) and previously published [2], as well as Figs. 3, 4 and 5 from the same dissertation, were modified and reproduced in this article without permission. In addition, the authors informed the Editor that they are unable to reproduce key data presented in th...
decline in timber harvesting from federal forests. The harvest of these products involves complex and interrelated social, economic, managerial, nd biological issues ( ee Savage 1995; Molina et al. 1997). Although timber typically exceeds nontimber forest products in value, opportunities xist o manage for both, to the benefit of different groups. Of nontimber products, the wild mushroom industr...
The passenger revenue accounting (PRA) system has the monumental task of accounting for each of the 60,000 or so tickets that Northwest Airlines sells each day. One function of PRA is to audit each ticket to ensure that the travel agent or Northwest ticket station that sold the ticket collected the correct fare and claimed the correct commission. The fare and commission audit expert system perf...
Baldwin Peninsula, northwest Alaska, is a middle Pleistocene push-moraine complex composed of marine, fluvial, and glaciogenic sediments. The peninsula was formed by three ice lobes emanating from the De Long and Baird mountains and the Selawik Lowlands in the southwest Brooks Range during the Anaktuvuk River glaciation . This glaciation was nearly an order of magnitude more areally extensive t...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید