Observation of 2-methyltetrols and related photo-oxidation products of isoprene in boreal forest aerosols from Hyytiälä, Finland I. Kourtchev, T. Ruuskanen, W. Maenhaut, M. Kulmala, and M. Claeys Department of Pharmaceutical Sciences, University of Antwerp (Campus Drie Eiken), Universiteitsplein 1, B-2610 Antwerp, Belgium Department of Physical Sciences, Division of Atmospheric Sciences, Univer...

Observations of oxidation products above a forest imply biogenic emissions of very reactive compounds R. Holzinger, A. Lee, K. T. Paw U, and A. H. Goldstein Department of Environmental Science, Policy, and Management (ESPM), Division of Ecosystem Sciences, University of California, Berkeley, California, USA Atmospheric Science Program, Department of Land, Air, and Water Resources, University of...

machinability. Abstract Flakes 3 Inches along the grain. 3/8-inch wide, and 0.02 inch thick were machined from the taproots (with 6inch-high stump) and second logs at eight 31-year-old slash pines. Specific gravity (O.D. weight, green volume) of Items averaged 0.52; rootwood averaged 0.43 and decreased sharply with depth below ground. Forty-four-lb./cu. ft. structural-type particleboards were p...

This article presents information on employment and payroll generated per unit volume of timber or wood fiber processed by the various manufacturing sectors of Montana's forest products industry for 19871989. Average employment ranged from a high of 117 workers per million cubic feet (mmcf) of wood fiber processed at house log plants, to a low of 12 workers per mmcf at stud mills. Employment-co...

limited data exist about the production of extruded linseed as a feed ingredient in farm animal nutrition. the objective of this study was to produce and evaluate extruded linseed mixed with alfalfa hay, pistachio by-products, and sugar beet pulp or corn grain in different proportions of linseed: alfalfa hay: pistachio by-products at ratios of 70:15:15, 70:20:10, 70:10:20, and 80:10:10 for qual...

Trade policy influences the environment directly and indirectly, while environmental policies have an impact on competitiveness. In the past, trade's potential role to contribute to sustainable forest management has been largely unexplored. This paper is aimed at assessing the possible impacts of various policy instruments on trade and the environment. Although the Latin American and the Caribb...