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At the request of the State Engineer of Utah, a cooperative study beginning January 1, 1948, was initiated by the Utah Agricultural Experiment Station and the Division of Irrigation, U. S. Soil Conservation Service. These research agencies are...
1949-05-01
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Channel morphology in alluvial rivers is determined by the flow of water and sediment, and the characteristics of the materials making up the channel boundary. Many modern river management problems depend upon our ability to predict channel...
2013-05-01
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The accurate prediction of river channel width remains a fundamental area of investigation in the field of geomorphology. River managers and scientists are interested in understanding how a channel will respond to environmental perturbations such...
2013-08-01
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Completely accurate statements of fishing pressure and harvest can only result from an ennumeration of all anglers and their catch. On most bodies of water it has not been economically feasible for management agencies to effect a complete census...
1952-05-01
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The Logan River, one of Utah's better trout streams, has carried more than its share of the increased fishing pressure of the past few years. Careful management of the drainage by the U.S. Forest Service has kept the Logan River free of serious...
1950-05-01
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Wetlands in the Intermountain West are typically dominated by large monotypic stands of emergent wetland plants, are highly productive, and support millions of migratory birds as important stops along the Pacific Flyway. In systems with low...
2013-08-01
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Our nation’s waterways are a valuable resource whose quality is influenced by their surroundings as well the amount of nutrients (largely nitrogen and phosphorus) in the water. Nutrients play an important role in aquatic ecosystems; however, if...
2013-05-01
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Government agencies and private organizations spend large amounts of public money attempting to return ecosystems to a more natural state, which have often been harmed or even destroyed as a result of modern development. Colorado River cutthroat...
2013-05-01
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Stream temperature in one of the most biologically important aspects of water quality, but we lack temperature information for the vast majority of streams within the USA. Stream temperature can be influenced by several types of landscape and...
2013-05-01
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To meet the requirements of the Clean Water Act (1972), natural resource managers need to be able to detect biological degradation in wetland ecosystems. Biological indices are commonly used by managers to assess wetland biological condition. The...
2014-05-01
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Brook trout are native to the east and Midwestern United States. Brook trout have become a popular sport fish in the western United States and are currently widely stocked to provide sport fishing opportunities throughout the west. The Utah...
2014-05-01
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Historically the Columbia River was amongst the most productive salmonidbearing watersheds in North America. Currently, salmonid populations have collapsed and are estimated at ten percent of historic levels. Because of this, there are thirteen,...
2014-05-01
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Natural selection within the sucker family of fishes has produced populations including typical benthic (bottom-feeding) suckers (Catostomus) and lakesuckers (Chasmistes), mid-water plankton eaters, in several large western North American lakes....
2014-05-01
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This is a study of the food of pond fish in northern Utah. The species examined in the family Centrarchidae were largemouth black bass, Micropterus salmoides (Lacepede), green sunfish, Lepomis cyanellus Rafinesque, and common bluegill, Lepomis...
1950-05-01
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The emergence of multi-beam echo sounders (MBES) as an applicable surveying technology in shallow water environments has expanded the extent of geomorphic change detection studies to include river environments that historically have not been...
2014-05-01
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The Bonneville Power Administration (BPA) Fish and Wildlife Program (FWP) mitigates impacts, including mortality, from hydroelectric dams in the Columbia River Basin for ESA-listed salmon and steelhead populations and other species of special...
2013-05-01
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The purpose of this study was to quantify the chemical nature of the Chicken Creek waters, and to investigate the variability and causes of that observed chemistry. The three objectives of the study were: 1) inventory the chemistry of the water...
1977-05-01
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A significant source of sediment in many watersheds is that associated with the layout, construction, and maintenance of roadways. Much work has been done in more mesic forested environments with little or none in semiarid systems. Accurate...
1998-05-01
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Soil erosion was assessed at Camp Williams National Guard Base by creating an erosion risk classification map and comparing the erosion impact of disturbance regimes on different hillslopes. Soil erosion does not appear to be a problem for most of...
1998-05-01
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It is important for humans to understand how ecosystems work because we depend on them for a variety of products and services. For example, rivers and streams provide fisheries, improved water quality, and recreational opportunities to many...
2014-05-01
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Species distribution models are frequently used in ecology to predict the spatial and temporal occurrence of organisms. Direct interpretation of these models assumes that the relationships between the organisms and their environment are...
2014-05-01
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Non-native invasive plant species can often have negative effects on native ecosystems, such as altered nutrient cycling, decreased habitat for wildlife, and outcompeting native plants. Around the Great Salt Lake (GSL), Utah, the invasive wetland...
2014-05-01
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The Bonneville Power Administration (BPA) Fish and Wildlife Program mitigates for impacts of hydroelectric dams on ESA-listed salmon and steelhead populations in the Columbia River Basin (CRB). Considering the sizable investments in mitigation and...
2014-05-01
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Zooplankton of the littoral and limnetic zones of Bear Lake, Idaho-Utah, were collected over a 17-month period. Twenty-three species of zooplankton were recorded, as well as nine other species represented by both flora and fauna. At the time of...
1967-05-01
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Farmington Bay of Great Salt Lake receives a significant amount of the nutrient-polluted runoff from Salt Lake and Davis Counties, Utah. This nutrient-laden runoff has led to seasonal blooms of blue-green algae, Nodularia spumigena, which produce...
2014-05-01
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