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Creator:: Fitzgerald, Stephen Arthur
Abstract:: The ponderosa pine ecosystem of the West have changed dramatically since Euro-American settlement 140 years ago due to past land uses and the curtailment of natural fire. Today, ponderosa pine forests contain over abundance of fuel, and stand densities have increased from a grange of 49-124 trees per ha (20-50...
Resource Type:: Technical Report
Full Text:: Ecosystems 1 Stephen A. Fitzgerald2 Abstract The ponderosa pine ecosystems of the West have change

Creator:: Walsh, Stephen J.
Resource Type:: Technical Report
Full Text:: NATURAL AREA PRESERVES ADVISORY COMMITTEE to the STATE LAND BOARD by STEPHEN J. WALSH

Creator:: Walsh, Stephen J. and Miller, Glen R.
Resource Type:: Technical Report
Full Text:: NATURAL AREA PRESERVES ADVISORY COMMITTEE to the STATE LAND BOARD by STEPHEN J. WALSH and GLEN R

Creator:: Hinkle, Stephen R. and Geological Survey (U.S.)
Abstract:: This report presents results of an investigation of water and streambed-sediment quality in selected tributaries of the South Umpqua River. Concentrations of inorganic constituents in water (major and minor ions, nutrients, and trace elements) and streambed sediment (primarily trace elements), along with standard field parameters, are tabulated for samples collected...
Resource Type:: Technical Report

Creator:: Hinkle, Stephen R., Polette, Danial J., and Oregon. Water Resources Dept., Geological Survey (U.S.)
Abstract:: Arsenic concentrations exceeding the U.S. Environmental Protection Agency (USEPA) current Maximum Contaminant Level (MCL) of 50 micrograms per liter are widespread in ground water in the Willamette Basin. The Oregon Water Resources Department and the U.S. Geological Survey began a cooperative study in the Willamette Basin in 1996. One goal...
Resource Type:: Technical Report
Full Text:: . Geological Survey Arsenic in Ground Water of the Willamette Basin, Oregon BY STEPHEN R. HINKLE AND DANIAL J

Creator:: Hinkle, Stephen R., National Water-Quality Assessment Program (U.S.), and Geological Survey (U.S.)
Abstract:: The purposes of this report are to describe the quality of shallow ground water in alluvial aquifers of the Willamette Basin and to identify relationships between shallow ground-water quality and various natural and anthropogenic factors. Several natural and anthropogenic factors (soil characteristics, cumulative thickness of clay above open interval of...
Resource Type:: Technical Report

Creator:: Fitzgerald, Stephen Arthur and Ries, Paul D.
Abstract:: This publication gives basic information on choosing your planting site, selecting the right species for the site, proper planting techniques, and first-year care. Although you may be buying a tree to add beauty to your home landscape, trees also serve other important functions in your landscape.
Resource Type:: Technical Report
Full Text:: Community Forest Council Authors Stephen A. Fitzgerald Extension agent, Deschutes, Crook and Jefferson

Creator:: Forsberg, Brent O., Johnson, J. A. (John Andrew), 1909-, and Klug, Stephen M.
Resource Type:: Technical Report
Full Text:: , John A. Johnson, and Stephen M. Klug Oregon Department of Fish and Wildlife Research Section

Creator:: Walsh, Stephen J., Mairs, John W., and Alexander, Cassandra J.
Resource Type:: Technical Report
Full Text:: to the NATURAL AREA PRESERVES ADVISORY COMMITTEE OREGON STATE LAND BOARD by Stephen J. Walsh

Creator:: Stephen, William Procuronoff, 1927-, Bohart, George Edward, and Torchio, Philip F.
Abstract:: ENTOMOLOGISTS, BOTANISTS, and AGRICULTURISTS all have occasion to concern themselves with bees. The en-tomologist is fascinated by their complex behavior pat-terns, the botanist needs to evaluate their significance infloral biology, and the agriculturist must take them into account as vital factors in crop production. Finally, the apiculturist often wishes to...
Resource Type:: Book
Full Text:: . Stephen is a professor of entomology at Oregon State University, Corval- lis; and G. E. Bohart and P. F

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