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Articles 48481 - 48510 of 57429
Full-Text Articles in Entire DC Network
Pine Valley Validation Site Report, C. D. Jorgensen
Final Progress Reports, U.S. International Biological Program
Final Progress Reports, U.S. International Biological Program
Progress reports
No abstract provided.
Granting The Consent Of Congress To The Amended Bear River Compact Between The States Of Utah, Wyoming And Idaho, Mr. Bayh, Mr. Kennedy
Granting The Consent Of Congress To The Amended Bear River Compact Between The States Of Utah, Wyoming And Idaho, Mr. Bayh, Mr. Kennedy
Elusive Documents
No abstract provided.
Distribution Of Phytoplankton In Utah Lakes, L. R. Williams, S. C. Hern, V. W. Lambou, F. A. Morris, M. K. Morris, W. D. Taylor
Distribution Of Phytoplankton In Utah Lakes, L. R. Williams, S. C. Hern, V. W. Lambou, F. A. Morris, M. K. Morris, W. D. Taylor
Elusive Documents
No abstract provided.
Effects Of Grazing On Desert Vegetation, B. E. Norton, D. J. Bermant
Effects Of Grazing On Desert Vegetation, B. E. Norton, D. J. Bermant
Memorandum
No abstract provided.
The Impact Of Seed Consumers In A Desert Ecosystem: An Integrated Approach, W. G. Whitford
The Impact Of Seed Consumers In A Desert Ecosystem: An Integrated Approach, W. G. Whitford
Memorandum
No abstract provided.
Comparison Of Biological Processes In Western Deserts, J. Skujins
Comparison Of Biological Processes In Western Deserts, J. Skujins
Memorandum
No abstract provided.
Plant Growth And Water Transfer Processes Under Desert Conditions, L. Gay, T. Sammis, D. D. Evans
Plant Growth And Water Transfer Processes Under Desert Conditions, L. Gay, T. Sammis, D. D. Evans
Memorandum
No abstract provided.
Cryptobiosis And Its Effect On Metabolism And Production Estimates Of Desert Nematodes, D. W. Freckman
Cryptobiosis And Its Effect On Metabolism And Production Estimates Of Desert Nematodes, D. W. Freckman
Memorandum
No abstract provided.
Nitrogen Transformation In Rock Valley And Adjacent Areas Of The Mohave Desert, R. B. Hunter, A. Wallace, E. M. Romney
Nitrogen Transformation In Rock Valley And Adjacent Areas Of The Mohave Desert, R. B. Hunter, A. Wallace, E. M. Romney
Memorandum
No abstract provided.
Deep Creek Validation Study Report, G. W. Minshall, C. Y. Manuel, R. W. Dunn, R. K. Pace, M. R. Mcsorley, D. A. Andrews
Deep Creek Validation Study Report, G. W. Minshall, C. Y. Manuel, R. W. Dunn, R. K. Pace, M. R. Mcsorley, D. A. Andrews
Memorandum
No abstract provided.
Interactions Of Winter Sheep Grazing And Small Mammal Populations, C. D. Jorgensen
Interactions Of Winter Sheep Grazing And Small Mammal Populations, C. D. Jorgensen
Memorandum
No abstract provided.
Clustar And Clustid: Programs For Hierarchical Cluster Analysis, K. A. Marshall, H. C. Romesburg
Clustar And Clustid: Programs For Hierarchical Cluster Analysis, K. A. Marshall, H. C. Romesburg
Memorandum
No abstract provided.
Insites, 1979, Utah State University
Insites, 1979, Utah State University
inSites
Magazine of the Department of Landscape Architecture and Environmental Planning
Influence Of Fire On Vegetation Production In The Aspen Ecosystem In Western Wyoming, Dale L. Bartos, Walter F. Mueggler
Influence Of Fire On Vegetation Production In The Aspen Ecosystem In Western Wyoming, Dale L. Bartos, Walter F. Mueggler
Aspen Bibliography
One hundred and sixty hectares of the upper Gros Ventre elk winter range were burned to improve forage production and to rejuvenate the decadent aspen.
The Pony Express Stations Of Utah In Historical Perspective, Richard E. Fike, John W. Headley
The Pony Express Stations Of Utah In Historical Perspective, Richard E. Fike, John W. Headley
Elusive Documents
No abstract provided.
Meteorology Of Major Storms In Western Colorado And Eastern Utah, U.S. Department Of Commerce
Meteorology Of Major Storms In Western Colorado And Eastern Utah, U.S. Department Of Commerce
Elusive Documents
No abstract provided.
High Latitude Plasma Convection: Predictions For Eiscat And Sondre Stromfjord, Jan Josef Sojka, W. John Raitt, Robert W. Schunk
High Latitude Plasma Convection: Predictions For Eiscat And Sondre Stromfjord, Jan Josef Sojka, W. John Raitt, Robert W. Schunk
All Physics Faculty Publications
We have used a plasma convection model to predict diurnal patterns of horizontal drift velocities in the vicinity of the EISCAT incoherent scatter facility at Tromso, Norway and for Sondre Stromfjord, Greenland, a proposed new incoherent scatter facility site. The convection model includes the offset of 11.4° between the geographic and geomagnetic poles (northern hemisphere), the tendency of plasma to corotate about the geographic pole, and a magnetospheric electric field mapped to a circle about a center offset by 5° in the antisunward direction from the magnetic pole. Four different magnetospheric electric field configurations were considered, including a constant cross‐ …
Letter To Dr. Joan Mcfadden, Anne Hatch
Letter To Dr. Joan Mcfadden, Anne Hatch
ADVANCE Library Collection
No abstract provided.
Letter To Social Services Committee, Anne Hatch
Letter To Social Services Committee, Anne Hatch
ADVANCE Library Collection
No abstract provided.
Coal Resource Occurrence And Coal Development Potential Maps Of The Southeast Quarter Of The Hiawatha 15-Minute Quadrangle Emery County, Utah, United States Geological Survey
Coal Resource Occurrence And Coal Development Potential Maps Of The Southeast Quarter Of The Hiawatha 15-Minute Quadrangle Emery County, Utah, United States Geological Survey
All U.S. Government Documents (Utah Regional Depository)
This report was compiled to support the land planning work of the Bureau of Land Management and to provide a systematic coal resource inventory of Federal coal lands in Known Recoverable Coal Resource Areas (KRCRA's) in the Western United States. It supplements the land planning requirements of the Federal Coal Leasing Amendments Act of 1976 (Public Law 94-377) sec. (3)(B) which states, in part, that "Each land-use plan prepared by the Secretary [of the Interior] (or in the case of lands within the National Forest System, the Secretary of Agriculture pursuant to sub-paragraph (A)(i)) shall include an assessment of the …
Hydrologic And Climatologic Data, Southeastern Uinta Basin, Utah And Colorado Water Year 1977, United States Geological Survey
Hydrologic And Climatologic Data, Southeastern Uinta Basin, Utah And Colorado Water Year 1977, United States Geological Survey
All U.S. Government Documents (Utah Regional Depository)
This report contains hydrologic and climatologic data that were collected as a part of an investigation of the southeastern Uinta Basin, Utah and Colorado, by the U.S. Geological Survey. This report contains data mainly for the 1977 water year, which includes the period October 1976-September 1977. Conroy and Fields (1977) reported data collected mainly for water years 1975 and 1976.
Blm Utah Final Initial Wilderness Inventory, United States Bureau Of Land Management
Blm Utah Final Initial Wilderness Inventory, United States Bureau Of Land Management
All U.S. Government Documents (Utah Regional Depository)
In the BLM Wilderness Program, only inventory is completed without consideration of other uses of the land. The wilderness inventory is only for the purpose of determining the presence of wilderness characteristics. It is on that basis that wilderness study areas will be identified. The comparison of wilderness values with other resource values is not part of the wilderness inventory process. It is a valid and necessary part of phase two study. When we enter phase two, the latter part of 1980, it will be imperative for us to consider and resolve whether the orderly development or wise preservation within …
A Search For Phytotoxins Influencing Germination And Early Growth Of Ponderosa Pine, United States Department Of Agriculture, Forest Service
A Search For Phytotoxins Influencing Germination And Early Growth Of Ponderosa Pine, United States Department Of Agriculture, Forest Service
Forestry
A series of laboratory and field experiments were conducted to determine if mature ponderosa pines produce a substance (phytotoxin) that inhibits the germination and growth of seedlings directly under the tree crown. Neither live nor dead materials collected from ponderosa pines produced either volatile or water-soluble phytotoxins that drastically inhibited germination of seeds or growth of seedlings. Seed overwintering beneath the canopy of mature pine, or planted in soils collected there, showed reduced germination. Exact cause of the reduction was not determined. If weak phytotoxins were responsible, they did not inhibit growth of seedlings that germinated.
Influence Of Some Environmental Factors On Initial Establishment And Growth Of Ponderosa Pine Seedlings, United States Department Of Agriculture, Forest Service
Influence Of Some Environmental Factors On Initial Establishment And Growth Of Ponderosa Pine Seedlings, United States Department Of Agriculture, Forest Service
Forestry
Study plots were established to determine the effects of various environmental factors on ponderosa pine seed germination and initial seedling establishment and growth. A series of soil surface treatments were performed on plots in two locations: within or under the influence of overstory pine trees and in openings away from the pine influence. Seed germination was significantly greater in the opening plots. The overstory canopy and forest floor restricted the amounts of precipitation, light, and heat reaching the soil and probably decreased germination. Cutworms, birds, and small mammals caused the greatest seedling mortality. The largest seedlings occurred in the fire-treated …
Quaking Aspen - Seed Germination And Early Seedling Growth, United States Department Of Agriculture, Forest Service
Quaking Aspen - Seed Germination And Early Seedling Growth, United States Department Of Agriculture, Forest Service
Forestry
The suckering of aspen (Populus tremuliodes Michx.) as a highly effective means of vegetative propagation is well known and has been widely studied (Baker 1918; Day 1944; Maini 1967; Schier 1974). Less is known about seed propagation, sometimes viewed as having only minor importance because early research (Baker 1918) had indicated that rare seedling establishment was due to low or nonexistent germinability.
Nutrient Losses From Timber Harvesting In A Larch/Douglas-Fir Forest, United States Department Of Agriculture, Forest Service
Nutrient Losses From Timber Harvesting In A Larch/Douglas-Fir Forest, United States Department Of Agriculture, Forest Service
Forestry
Nutrient levels as a result of experimental clearcutting, shelterwood cutting, and group selection cutting--each with three levels of harvesting intensity--were studied in a larch-fir forest in northwest Montana, experimentally logged with a skyline system. None of the treatments altered nutrient levels in an intermittent stream, nor were excessive amounts of nutrients lost in soil below the root zone. Under conditions on this site, skyline logging did not result in surface erosion or nutrient losses that would affect forest management.
Sucker Regeneration In A Utah Aspen Clone After Clearcutting, Partial Cutting, Scarification, And Girdling, United States Department Of Agriculture, Forest Service
Sucker Regeneration In A Utah Aspen Clone After Clearcutting, Partial Cutting, Scarification, And Girdling, United States Department Of Agriculture, Forest Service
Forestry
Clearcutting, partial cutting, scarification, and girdling were used to stimulate root suckering in a Utah aspen clone. Regeneration was inventoried yearly during the first 4 years after treatment and again after 12 years. Clearcutting resulted in the greatest number of suckers. In most years, partial cuts (cuts that removed 67 percent of the basal area) had less than 50 percent as much regeneration as the clearcut plots. Girdling stimulated suckering to a lesser degree than cutting. Mortality was high on girdled plots and by the 12th year after treatment few suckers had survived. Scarification had no apparent effect on sucker …
Heat Content Of Bark, Twigs, And Foliage Of Nine Species Of Western Conifers, United States Department Of Agriculture, Forest Service
Heat Content Of Bark, Twigs, And Foliage Of Nine Species Of Western Conifers, United States Department Of Agriculture, Forest Service
Forestry
Comparative combustion tests showed that bark, twigs, and foliage of nine commercial timber species in the Northern Rocky Mountains generally produce more heat than equal volumes of their ovendry wood and that these parts of harvested trees could be profitably utilized as a source of energy.
Uneven-Aged Forest Management: State Of The Art (Or Science?)
Uneven-Aged Forest Management: State Of The Art (Or Science?)
Forestry
Examines some important historical factors that have caused widespread preference of the even-aged management system over the uneven-aged. Major decisions facing forest managers interested in applying uneven-aged management are defined, and a review is made of techniques traditionally used, or recently proposed, for use in making these decisions. Finally, problem areas needing further research and development are identified.