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Physical Sciences and Mathematics Commons™

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Environmental Sciences

Utah State University

2007

Articles 31 - 37 of 37

Full-Text Articles in Physical Sciences and Mathematics

Active Salt Tectonics In The Needles District, Canyonlands (Utah) As Detected By Interferometric Synthetic Aperture Radar And Point Target Analysis: 1992-2002, M. Furuya, K. Mueller, J. Wahr Jan 2007

Active Salt Tectonics In The Needles District, Canyonlands (Utah) As Detected By Interferometric Synthetic Aperture Radar And Point Target Analysis: 1992-2002, M. Furuya, K. Mueller, J. Wahr

Canyonlands Research Bibliography

The Needles District in Canyonlands National Park, Utah, is known for its well-exposed array of extensional faults, which are thought to be produced by gravity-driven extension and downward flexure of a thin sandstone plate into the Colorado River canyon in response to dissolution and flow of underlying evaporites (halite and gypsum). Owing to a lack of precise geodetic data, however, it remains uncertain if and to what extent those extensional faults are currently deforming. In this study we use synthetic aperture radar (SAR) data to search for ongoing, decadal ground displacements, by applying both a stacking interferometric SAR (InSAR) analysis …

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Home Range Characteristics Of Mexican Spotted Owls In The Canyonlands Of Utah, D. W. Willey, C. Van Riper Jan 2007

Home Range Characteristics Of Mexican Spotted Owls In The Canyonlands Of Utah, D. W. Willey, C. Van Riper

Canyonlands Research Bibliography

We studied home-range characteristics of adult Mexican Spotted Owls (Slyix occidentalis lucida) in southern Utah. Twenty-eight adult owls were radio-tracked using a ground-based telemetry system during 1991-95. Five males arid eight females molted tail feathers and dropped transmitters within 4 wk. We estimated cumulative home ranges for 15 Spotted Owls (12 males, 3 females). The mean estimate of cumulative home-range size was not statistically different between the minimum convex polygon and adaptive kernel (AK) 95% isopleth. Both estimators yielded relatively high SD, and male and fernale range sizes varied widely. For 12 owls tracked during both the breeding and nonbreeding …

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Aspen Indicator Species In Lichen Communities In The Bear River Range Of Idaho And Utah, Paul C. Rogers, Roger Rosentreter, Ronald J. Ryel Jan 2007

Aspen Indicator Species In Lichen Communities In The Bear River Range Of Idaho And Utah, Paul C. Rogers, Roger Rosentreter, Ronald J. Ryel

All U.S. Government Documents (Utah Regional Depository)

Aspen are thought to be declining in this region due to a combination of fire suppression, grazing and wildlife management practices, and potentially cool/wet climates of the past century which favor advancing conifer succession. Many scientists are concerned that aspen’s related species may also be losing habitat, thereby threatening the long-term local and regional viability of this important community. To date, few studies have specifically examined the role of aspen’s epiphytic lichen community. This paper presents basic community research describing the application of Indicator Species Analysis for lichens growing on aspen stems in the central Rocky Mountains of North American. …

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Utah Annual Air Monitoring Network Plan 2007 (Final Draft), Division Of Air Quality, Utah State Department Of Environmental Quality Jan 2007

Utah Annual Air Monitoring Network Plan 2007 (Final Draft), Division Of Air Quality, Utah State Department Of Environmental Quality

All U.S. Government Documents (Utah Regional Depository)

The monitoring network has been described in the network reviews from 1982 through 2007. A complete description of each station is located in the station file at the Air Monitoring Center and is available upon request. This network review will focus on the adequacy of the existing network and the changes that are needed. The existing or proposed monitoring stations are reviewed to see if the objectives are being met. The most recent emissions inventories for each pollutant are reviewed along with ambient data gathered in the area and, when available, current computer air pollution dispersion modeling is also reviewed. …

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Utah Off-Highway Vehicle Laws And Rules, Utah Dnr State Parks Jan 2007

Utah Off-Highway Vehicle Laws And Rules, Utah Dnr State Parks

All U.S. Government Documents (Utah Regional Depository)

Utah Off-Highway Vehicle Laws and Rules taken from The Utah Off-Highway Vehicle Act and The Utah Board of Parks and Recreation Rules Title 41, Chapter 22, Utah Code Annotated 1953. NOTICE: Though the following laws and rules were screened for accuracy prior to publication, errors may still exist. In addition, changes in law and rule may be made at any time. Readers are encouraged to contact the Utah Division of Parks and Recreation for clarification of any law or rule contained herein.

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Aphis’ Plant Inspection Stations: Protecting American Agriculture From Foreign Pests And Diseases, United States Department Fo Agriculture, Animal And Plant Health Inspection Service Jan 2007

Aphis’ Plant Inspection Stations: Protecting American Agriculture From Foreign Pests And Diseases, United States Department Fo Agriculture, Animal And Plant Health Inspection Service

All U.S. Government Documents (Utah Regional Depository)

In today’s global marketplace, the volume of international trade brings increased potential for the introduction of foreign pests, diseases, and noxious weeds that could threaten the safety of American agriculture. The results of such introductions can have a devastating effect on the U.S. food supply, damage our natural resources, and cost hundreds of millions of dollars in eradication and control measures that ultimately result in higher priced agricultural products for the consumer.

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A Meta-Baci Approach Forevaluating Management Intervention On Chronic Wasting Disease In Mule Deer, Mary M. Conner, Michael W. Miller, Michael Ryan Ebinger, Kenneth P. Burnham Jan 2007

A Meta-Baci Approach Forevaluating Management Intervention On Chronic Wasting Disease In Mule Deer, Mary M. Conner, Michael W. Miller, Michael Ryan Ebinger, Kenneth P. Burnham

Wildland Resources Faculty Publications

Advances in acquiring and analyzing the spatial attributes of data have greatlyenhanced the potential utility of wildlife disease surveillance data for addressing problems ofecological or economic importance. We present an approach for using wildlife diseasesurveillance data to identify areas for (or of ) intervention, to spatially delineate pairedtreatment and control areas, and then to analyze these nonrandomly selected sites in a meta-analysis framework via before–after–control–impact (BACI) estimates of effect size. We applythese methods to evaluate the effectiveness of attempts to reduce chronic wasting disease(CWD) prevalence through intensive localized culling of mule deer (Odocoileus hemionus)innorth-central Colorado, USA. Areas where surveillance data …

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