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Articles 5371 - 5400 of 25077
Full-Text Articles in Entire DC Network
Exploring New Methods For Quantifying Soil Reduction, Redox Potential, And Iron Reducing Bacteria Using The Iris Method In Wetland Soils., Jessica Everett
Exploring New Methods For Quantifying Soil Reduction, Redox Potential, And Iron Reducing Bacteria Using The Iris Method In Wetland Soils., Jessica Everett
Biology Theses
The presence of hydric soils is one of the key factors used to identify and delineate wetlands as specified by the United States Fish and Wildlife Service (USFWS). The Indicator of Reduction in Soil (IRIS) Method, accepted by the National Technical Committee for Hydric Soils (NTCHS) can indicate iron reduction in soil which can identify hydric soil for wetland delineation efforts. This thesis was conducted to see if the IRIS method had potential for other uses such as quantifying relative measurements of iron reducing bacteria and to see if a colorimetric scale could be curated to bring less subjection to …
Butte Priority Soils Operable Unit (Bpsou) Final Insufficiently Reclaimed Sites - Field Sampling Plan (Fsp) Bres No. 32 – Corra-2 Dumps, Mike Mcanulty
Butte Priority Soils Operable Unit (Bpsou) Final Insufficiently Reclaimed Sites - Field Sampling Plan (Fsp) Bres No. 32 – Corra-2 Dumps, Mike Mcanulty
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Butte Priority Soils Operable Unit (Bpsou) Final Insufficiently Reclaimed Sites - Field Sampling Plan (Fsp) Bres No. 37 – Josephine Shaft, Mike Mcanulty
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
2022 Final Insufficiently Reclaimed Sites Quality Assurance Project Plan (Qapp), Pioneer Technical Services, Inc.
2022 Final Insufficiently Reclaimed Sites Quality Assurance Project Plan (Qapp), Pioneer Technical Services, Inc.
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Re: Butte Priority Soils Operable Unit (Bpsou) Revised Final Residential Metals Abatement Program (Rmap) Plan, Mike Mcanulty
Re: Butte Priority Soils Operable Unit (Bpsou) Revised Final Residential Metals Abatement Program (Rmap) Plan, Mike Mcanulty
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Re: Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) Final 2022 Insufficiently Reclaimed Sites Quality Assurance Project Plan (Qapp) (Dated July 12, 2022), Nikia Greene
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Coupling Dendrochronology And Remote Sensing Techniques To Assess The Biophysical Traits Of Juniperus Virginiana And Pinus Ponderosa Within Grassland Communities In The Semi-Arid Grasslands Of The Nebraska Sandhills, Reece Allen
School of Natural Resources: Dissertations, Theses, and Student Research
Woody species encroachment is occurring within the sandhills region in Nebraska, primarily driven by Juniperus virginiana and Pinus ponderosa, altering ecosystems and the services they provide. Effective, low cost, and cross-scale monitoring of woody species growth and performance is necessary for integrated grassland and forest management in the face of climate variability and change. In this study, we sought to establish a relationship between remote sensing-derived vegetation indices (VIs) and dendrochronological (raw and standardized tree ring width) measurements to assess the performance of encroaching woody J. virginiana and P. ponderosa located within the Nebraska National Forest in the sandhills. …
Stratospheric Effects On Uv, Speed Of Sound, Pressure, And Temperature, Joshua V. Chis, Joana Diaz, Brianna E. Ortiz, Imani G. Robertson, Jelani A. Shadd
Stratospheric Effects On Uv, Speed Of Sound, Pressure, And Temperature, Joshua V. Chis, Joana Diaz, Brianna E. Ortiz, Imani G. Robertson, Jelani A. Shadd
DePaul Discoveries
The atmosphere is composed of several layers, each with its own distinct environment varying in temperature, pressure, and levels of UV radiation. Quantifying these varying parameters proves to be useful in understanding atmospheric composition in greater detail. Variance in the composition of the atmosphere allows for the study of the evolution of physical phenomena at different altitudes. Our group quantified this variance using a high-altitude weather balloon and designed an experimental method to observe the nature of sound propagation through varying altitudes. The goal was to develop an altitude-dependent model of the speed of sound by using an open-air, microcontroller-based …
Atmospheric Phosphorus Deposition Into A Fresh Water Wetland: Prairie Wolf Slough Restored Wetland, Isaac B. Daitzchman
Atmospheric Phosphorus Deposition Into A Fresh Water Wetland: Prairie Wolf Slough Restored Wetland, Isaac B. Daitzchman
DePaul Discoveries
Phosphorus is a major element needed for plant growth. Excess phosphorus from agricultural runoff and urban stormwater can enter waterways, resulting in growth of toxic algal blooms that are deleterious to local fauna. One way to remove phosphorus is by diverting agricultural and urban runoff into wetlands. One such wetland is Prairie Wolf Slough (PWS), located in north suburban Chicago, IL. Stormwater enters PWS through an inlet channel and exits through an outlet pipe into the Chicago River. A 16-year study documented that a significantly greater mass of phosphorus leaves PWS than enters through the inlet. This study accounted for …
Spatial Stream Modeling Of Louisiana Waterthrush (Parkesia Motacilla) Foraging Substrate And Aquatic Prey In A Watershed Undergoing Shale Gas Development, Mack W. Frantz, Petra B. Wood, Steven C. Latta
Spatial Stream Modeling Of Louisiana Waterthrush (Parkesia Motacilla) Foraging Substrate And Aquatic Prey In A Watershed Undergoing Shale Gas Development, Mack W. Frantz, Petra B. Wood, Steven C. Latta
United States Geological Survey: Staff Publications
We demonstrate the use of spatial stream network models (SSNMs) to explore relationships between a semiaquatic bioindicator songbird, Louisiana Waterthrush (Parkesia motacilla), and stream monitoring and benthic macroinvertebrate data in an area undergoing shale gas development. SSNMs allowed us to account for spatial autocorrelation inherent to these environmental data types and stream properties that traditional modeling approaches cannot capture to elucidate factors that affect waterthrush foraging locations. We monitored waterthrush along 58.1 km of 1st- and 2nd-order headwater stream tributaries (n = 14) in northwestern West Virginia over a two year period (2013–2014), sampled benthic macroinvertebrates in waterthrush …
Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) Annual Quality Assurance Project Plan For Butte Reduction Works (Brw) Smelter Area Mine Waste Remediation And Contaminated Groundwater Hydraulic Control Site; Phase Ii Brw Quality Assurance Project Plan (Dated July 8, 2022), Nikia Greene
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) Draft Final Insufficiently Reclaimed Sites – Field Sampling Plan (Fsp) Bres No. 37 – Josephine Shaft (Dated July 20, 2022), Nikia Greene
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Comment Letter For: Bpsou Draft 2021 Stormwater Evaluation And Maintenance Report, (Dated July 14, 2022), Nikia Greene
Comment Letter For: Bpsou Draft 2021 Stormwater Evaluation And Maintenance Report, (Dated July 14, 2022), Nikia Greene
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Medical Monitoring Working Group Meeting Minutes, Mike Mcanulty
Medical Monitoring Working Group Meeting Minutes, Mike Mcanulty
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) Draft Final Insufficiently Reclaimed Sites – Field Sampling Plan (Fsp) Bres No. 133 – Dexter Mill (Dated July 14, 2022), Nikia Greene
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Draft Final 2021 Unreclaimed Sites Sampling Ur-24 Site Evaluation Summary Report, Pioneer Technical Services, Inc.
Draft Final 2021 Unreclaimed Sites Sampling Ur-24 Site Evaluation Summary Report, Pioneer Technical Services, Inc.
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Optimising Response To An Introduction Of African Swine Fever In Wild Pigs, Kim M. Pepin, Vienna R. Brown, Anni Yang, James C. Beasley, Raoul Boughton, Kurt C. Vercauteren, Ryan S. Miller, Sarah N. Bevins
Optimising Response To An Introduction Of African Swine Fever In Wild Pigs, Kim M. Pepin, Vienna R. Brown, Anni Yang, James C. Beasley, Raoul Boughton, Kurt C. Vercauteren, Ryan S. Miller, Sarah N. Bevins
United States Department of Agriculture Wildlife Services: Staff Publications
African swine fever virus (ASFv) is a virulent pathogen that threatens domestic swine industries globally and persists in wild boar populations in some countries. Persistence in wild boar can challenge elimination and prevent disease-free status, making it necessary to address wild swine in proactive response plans. In the United States, invasive wild pigs are abundant and found across a wide range of ecological conditions that could drive different epidemiological dynamics among populations. Information on the size of the control areas required to rapidly eliminate the ASFv in wild pigs and how this area should change with management constraints and local …
Analysis Of Urbanization And Climate Change Effects On Community Resilience In The Rio Grande Valley, South Texas, George Atisa, Alexis Racelis
Analysis Of Urbanization And Climate Change Effects On Community Resilience In The Rio Grande Valley, South Texas, George Atisa, Alexis Racelis
School of Earth, Environmental, & Marine Sciences Faculty Publications
Disruptive development events have tested and will continue to test community resilience as people work to balance healthy living, economic growth, and environmental quality. Aspects of urbanization, if not designed and guided by healthy living strategies, convert natural areas into built environments, thus reducing the diversity of plant and animal species that are the foundation of resilience in communities. In this study, we attempted to answer the following question: What are the most effective ways to ensure that ongoing urbanization and climate change do not negatively affect ecological services and community resilience in the Rio Grande Valley (RGV)? The region …
Orthotrichum Lyellii As An Active Moss Biomonitor: Examining The Interplay Between Ambient Pm10, Bulk Deposition And Heavy Metals In An Urban Environment, Scott Bradley Kiel
Orthotrichum Lyellii As An Active Moss Biomonitor: Examining The Interplay Between Ambient Pm10, Bulk Deposition And Heavy Metals In An Urban Environment, Scott Bradley Kiel
Dissertations and Theses
The importance of monitoring and preventing pollution in the environment is a globally recognized issue. Of the criteria pollutants outlined by the United States Environmental Protection Agency, particulate matter is among these least understood in relation to toxicity and most wide-spread. Many governments have employed continuous air quality monitoring networks to track ambient levels of particulate matter, but are often too widespread to capture the heterogeneity of the urban environment, especially for heavy metal deposition. In Portland, OR, the epiphytic moss Orthotrichum lyellii was successfully used as a low-cost passive biomonitor to increase the spatial resolution of pollution around the …
Butte Priority Soils Operable Unit (Bpsou) Draft Final Insufficiently Reclaimed Sites - Field Sampling Plan (Fsp) Bres No. 34 – Eveline., Mike Mcanulty
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Iron And Magnesium Impregnation Of Avocado Seed Biochar For Aqueous Phosphate Removal, James Jihoon Kang, Jason Parsons, Sampath Gunukula, Dat T. Tran
Iron And Magnesium Impregnation Of Avocado Seed Biochar For Aqueous Phosphate Removal, James Jihoon Kang, Jason Parsons, Sampath Gunukula, Dat T. Tran
School of Earth, Environmental, & Marine Sciences Faculty Publications
There has been increasing interest in using biochar for nutrient removal from water, and its application for anionic nutrient removal such as in phosphate (PO43−) necessitates surface modifications of raw biochar. This study produced avocado seed biochar (AB), impregnated Fe- or Mg-(hydr)oxide onto biochar (post-pyrolysis), and tested their performance for aqueous phosphate removal. The Fe- or Mg-loaded biochar was prepared in either high (1:8 of biochar to metal salt in terms of mass ratio) or low (1:2) loading rates via the co-precipitation method. A total of 5 biochar materials (unmodified AB, AB + High Fe, AB …
Effect Of Ultraviolet Light Treatment On Microbiological Safety And Quality Of Fresh Produce: An Overview, Veerachandra K. Yemmireddy, Achyut Adhikari, Juan Moreira
Effect Of Ultraviolet Light Treatment On Microbiological Safety And Quality Of Fresh Produce: An Overview, Veerachandra K. Yemmireddy, Achyut Adhikari, Juan Moreira
School of Earth, Environmental, & Marine Sciences Faculty Publications
Fresh and fresh-cut fruits and vegetables have been associated in several foodborne illness outbreaks. Although investigations from those outbreaks reported that the contamination with pathogenic microorganisms may occur at any point in the farm to fork continuum, effective control strategies are still being widely investigated. In that direction, the concept of hurdle technology involving a sequence of different interventions have been widely explored. Among those interventions, ultraviolet (UV) light alone or in combination with other treatments such as use of organic acids or sanitizer solutions, has found to be a promising approach to maintain the microbiological safety and quality of …
Comment Letter For The Draft Final 2021 Unreclaimed Site Investigation: Xrf To Laboratory Correlation And Regression Analyses Procedure (Dated May 16, 2022), Nikia Greene
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Arbuscular Mycorrhizal Fungi Colonization Response To Dike Removal In The Salmon River Estuary, Elinore Webb
Arbuscular Mycorrhizal Fungi Colonization Response To Dike Removal In The Salmon River Estuary, Elinore Webb
Dissertations and Theses
Arbuscular mycorrhizal fungi (AMF) form symbiotic relationships with wetland plants and are important to the restoration of coastal estuaries. The purpose of this study was to assess the presence and colonization of arbuscular mycorrhizal fungi in Distichlis spicata from three formerly diked areas of the Salmon River Estuary to determine an initial understanding of the mycorrhizal community in tidal wetlands post-restoration. AMF were present in all four sample areas and total colonization ranged on average 39-72%. The reference site had the lowest levels of total colonization, which is contrary to the findings of studies of younger wetland restorations. Most importantly, …
Revised Draft Final Quarterly Operations And Maintenance Report Butte Treatment Lagoon System – Third Quarter 2021, Pioneer Technical Services, Inc.
Revised Draft Final Quarterly Operations And Maintenance Report Butte Treatment Lagoon System – Third Quarter 2021, Pioneer Technical Services, Inc.
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Silver Bow Creek/Butte Area Npl Site Butte Priority Soils Operable Unit, Pioneer Technical Services, Inc.
Silver Bow Creek/Butte Area Npl Site Butte Priority Soils Operable Unit, Pioneer Technical Services, Inc.
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Re: Response To Agency Comments On The Draft Butte Priority Soils Operable Unit (Bpsou) 2021 Groundwater Monitoring Data Summary Report, January 2021 – December 2021; Dated April 8, 2022. Consent Decree- Civil Action No. Cv 89-039-Bu-She, Josh Bryson
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Final Butte Reduction Works (Brw) Phase I Qapp, Pioneer Technical Services, Inc., Nikia Greene
Final Butte Reduction Works (Brw) Phase I Qapp, Pioneer Technical Services, Inc., Nikia Greene
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Butte Priority Soils Operable Unit (Bpsou) Draft Final Insufficiently Reclaimed Sites - Field Sampling Plan (Fsp) Bres No. 37 – Josephine Shaft, Mike Mcanulty
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Final Revised Butte Reduction Works (Brw) Phase I Quality Assurance Project Plan (Qapp), Pioneer Technical Services, Inc.
Final Revised Butte Reduction Works (Brw) Phase I Quality Assurance Project Plan (Qapp), Pioneer Technical Services, Inc.
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.