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208 results found
The purpose of this conference was to celebrate the 100 years of accomplishments and contributions of the Santa Rita Experimental Range, the longest continuously operating research area dedicated to the sustainable management of North American rangelands. The conference consisted of one-and-a-half…
Author(s): Mitchel P. McClaran, Peter F. Ffolliott, Carleton B. Edminster
Keywords: long-term research, livestock grazing, vegetation, soils, erosion, cultural resources
Source: Proc. RMRS-P-30. Ogden, UT: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 197 p.
Year: 2003
Forested wetlands are uniquely critical areas in forest operations that present special challenges to protect water quality. These locations are a direct interface between the impacts of forest operations and water. BMP's are designed to minimize nonpoint source pollution, but much of the science…
Author(s): Bob Rummer
Keywords: erosion, forest harvesting, hydrology, roads, sediment, timber
Source: Water, Air, and Soil Pollution: Focus 4: 55-66, 2004.
Year: 2004
A multiple regression analysis of fire interval and resulting sediment yield (controlling for relief ratio, rainfall, etc.) indicates that reducing the fire interval from the current average 22 years to a prescribed fire interval of 5 years would reduce sediment yield by 2 million cubic meters in…
Author(s): John Loomis, Pete Wohlgemuth, Armando González-Cabán, Don English
Keywords: California, erosion, forest fire, national forests, recreation, sediment
Source: Water Resources Research. 39(9), 1260
Year: 2003
Surface soil disturbance was compared among a commercial thinning, group selection, patch cut, 2-age, and clearcut. The thinning, group selection and patch cut units had significantly higher percentages of undisturbed area. The 2-age unit had a significantly higher percentage of area disturbed with…
Author(s): John Klepac, Stephen E. Reutebuch, Robert B. Rummer
Keywords: harvesting, soil disturbance, silvicultural prescription, skid trail, erosion
Source: An ASAE Meeting Presentation Paper No. 99-5052
Year: 1999
Presents comprehensive forest site classification system for the 45,084-acre Natchez Trace State Forest, State Resort park, and WIldlife Management Area in the highly dissected and predominantly hilly Upper Coastal Plain of west Tennessee. Twenty-five landtypes are identified. Each landtype is…
Author(s): Glendon W. Smalley
Keywords: erosion, landtypes, selected species, site classification
Source: Gen. Tech. Rep. SO-85. New Orleans, LA: U.S. Dept of Agriculture, Forest Service, Southern Forest Experiment Station. 73 p.
Year: 1991
Fertilizing and mulching of eroded Hartsells soil increased height and diameter of yellow-poplars. To see if chemical infertility of exposed Hartsells subsoils limits yellow-poplar growth and to test fertilizer and mulch as remedial agents, seedlings were planted on undisturbed soil, soil with the…
Author(s): John K. Francis
Keywords: Liriodendron tulipifera, forest fertilization, erosion
Source: Res. Note SO-231. New Orleans, LA: U.S. Department of Agriculture, Forest Service, Southern Forest Experiment Station. 3 p.
Year: 1977
Lack of information on the status of hardwoods, particularly oaks (Quercus sp.), is creating concern in California that continued fuelwood harvest will aggravate erosion and sedimentation (Pillsbury et al. 1983). This concern is unsupported by data from the West Coast because few data exist, a…
Author(s): Theodore E. Jr. Adams, Raymond M. Rice
Keywords: PSW4351, erosion, sedimentation, fuelwood, hardwood, California
Source: Western Journal of Applied Forestry 4(1): 31-33.
Year: 1989
The term piping has been used to describe subsurface erosion processes and concentrated subsurface water discharge. Physical features created by piping have been termed pipes. Piping can occur in natural landscapes due to individual or combined effects of mechanical (e.g., corrasion), chemical (e…
Author(s): Jeffrey S. Albright
Keywords: PSW4351, Caspar Creek, piping, erosion, subsurface, water
Source: M.S. Thesis, Humboldt State University, Arcata, California. 118 p.
Year: 1992
Abstract - Debris slides over a 20-year period were inventoried on 137,500 acres of forested land in the Klamath Mountains of southwest Oregon. Frequency during the study period was about one slide every 4.3 years on each 1,000 acres-an erosion rate of about 1/2 yd 3 per acre per year Erosion…
Author(s): Michael P. Amaranthus, Raymond M. Rice, Nicholas R. Barr, Robert R. Ziemer
Keywords: PSW4351, slides, logging, Oregon, erosion, Klamath, slopes, forest roads, debris
Source: Journal of Forestry 83(4): 229-233.
Year: 1985
Abstract - The nature of sediment production from logging roads and the effect of the resulting sediment on salmonid spawning success in the Clearwater River drainage have been studied for eight years. The study includes intensive and extensive analyses of field situations, supplemented by several…
Author(s): C. J. Cederholm, L. M. Reid, E. O. Salo
Keywords: PSW4351, salmonid, erosion, landslides, logging
Source: Presented to the conference Salmon-Spawning Gravel: A Renewable Resource in the Pacific Northwest? 6-7 October 1980 Seattle Washington. 35 p.
Year: 1981