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Articles 8821 - 8850 of 52544
Full-Text Articles in Entire DC Network
Life Cycle Assessment Of Novel Electrochemical Struvite Recovery In Municipal Wastewater Treatment At The Plant And U.S. Watershed Scales, Karla Morrissey
Life Cycle Assessment Of Novel Electrochemical Struvite Recovery In Municipal Wastewater Treatment At The Plant And U.S. Watershed Scales, Karla Morrissey
Graduate Theses and Dissertations
As the supply of phosphorus decreases, nutrient recovery in municipal wastewater treatment has become an important area of research. Recovery methods for phosphorus-containing fertilizers, such as struvite, and other products are currently being developed and assessed for their efficiency and economic feasibility. Potential environmental impacts from nutrient recovery are also being assessed as design for the environment is important, especially with regards to the eutrophying potential of phosphorus in phosphorus-limited freshwater aquatic systems. Life cycle assessment (LCA) is a tool that can be used to estimate potential environmental impacts of a product or service focusing on its entire life cycle. …
Orbital Mapping Of Seasonal And Yearly Changes In Co2 And Water Ice On The Southern Polar Cap Of Mars, Victoria Michell Ann Karnes
Orbital Mapping Of Seasonal And Yearly Changes In Co2 And Water Ice On The Southern Polar Cap Of Mars, Victoria Michell Ann Karnes
Graduate Theses and Dissertations
This research exhibits a new foundation for the rates of change in CO2 and water ice on the southern polar cap of Mars, where the annual precipitation cycles are known to fluctuate seasonally between the north and south pole, based on observations from the Compact Reconnaissance Imaging Spectrometer (CRISM). The conventional belief is that both CO2 ice and water ice on the southern polar cap condenses and evaporates over the course of a Martian year (MY), condensing during the Martian spring and summer and evaporating during the Martian fall and winter. With this theory in mind, CO2 and water ice …
Comparison Of Sieved Soil Sample Results From Butte-Silver Bow Multi-Pathway Residential Metals Abatement Program: 250 Μm And 150 Μm Sieved Samples For Lead And Arsenic Enrichment Determination Atlantic Richfield Company Butte, Montana, Ramboll, Environmental Standards, Inc.
Comparison Of Sieved Soil Sample Results From Butte-Silver Bow Multi-Pathway Residential Metals Abatement Program: 250 Μm And 150 Μm Sieved Samples For Lead And Arsenic Enrichment Determination Atlantic Richfield Company Butte, Montana, Ramboll, Environmental Standards, Inc.
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Draft - Sieve Study Report December 2022, Appendices, Ramboll
Draft - Sieve Study Report December 2022, Appendices, Ramboll
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Identifying How Summer Camp Experiences Affect Children’S Environmental Literacy, Quinn Kimbell
Identifying How Summer Camp Experiences Affect Children’S Environmental Literacy, Quinn Kimbell
Department of Environmental Studies: Undergraduate Student Theses
Ensuring that children are prepared for environmental issues in the future can be aided by building the skill of environmental literacy. A key factor in building this skill is having natural experiences and creating one’s connection and perception of the environment. This paper aims to identify if summer camps increase children’s perception of the environment. This was completed by testing children with an environmental perception survey (Children’s Environmental Perception Scale) before and after attending a summer camp and assessing environmental pollution knowledge through drawing (modified Draw-An-Environment Test). The rural Nebraska summer camp subjected the children to many outdoor experiences, including …
Inventory Reveals Wide Biodiversity Of Edible Insects In The Eastern Democratic Republic Of Congo, Jackson Ishara, Rodrigue Ayagirwe, Katcho Karume, Gustave N. Mushagalusa, David Bugeme, Saliou Niassy, Patchimaporn Udomkun, John Kinyuru
Inventory Reveals Wide Biodiversity Of Edible Insects In The Eastern Democratic Republic Of Congo, Jackson Ishara, Rodrigue Ayagirwe, Katcho Karume, Gustave N. Mushagalusa, David Bugeme, Saliou Niassy, Patchimaporn Udomkun, John Kinyuru
All Peer-Reviewed Publications
In response to growing food demand, edible insects are perceived as an opportunity to alleviate food insecurity. With its wide edible insects’ biodiversity, the Democratic Republic of Congo is one of Africa’s most critical entomophagous. This study aimed at giving a first insight on inventory showing diversity, perception, consumption, availability, host plants, harvesting techniques and processing techniques of edible insects in South-Kivu, DRC. It recorded twenty-three edible insects belonging to nine families and five orders, some of which are consumed in the larval, adult, egg and pupa stages. Rhyncophorus phoenicis, Alphitobius diaperinus, Macrotermes subhyalinus and Acheta domesticus were the most …
Potential Distribution Of Fall Armyworm In Africa And Beyond, Considering Climate Change And Irrigation Patterns, Bipana Paudel Timilsena, Saliou Niassy, Emily Kimathi, Elfatih M. Abdel-Rahman, Irmgard Seidl-Adams, Mark Wamalwa, Henri E.Z. Tonnang, Sunday Ekesi, David P. Hughes, Edwin G. Rajotte, Sevgan Subramanian
Potential Distribution Of Fall Armyworm In Africa And Beyond, Considering Climate Change And Irrigation Patterns, Bipana Paudel Timilsena, Saliou Niassy, Emily Kimathi, Elfatih M. Abdel-Rahman, Irmgard Seidl-Adams, Mark Wamalwa, Henri E.Z. Tonnang, Sunday Ekesi, David P. Hughes, Edwin G. Rajotte, Sevgan Subramanian
All Peer-Reviewed Publications
The fall armyworm, Spodoptera frugiperda (FAW), first invaded Africa in 2016 and has since become established in many areas across the continent where it poses a serious threat to food and nutrition security. We re-parameterized the existing CLIMEX model to assess the FAW global invasion threat, emphasizing the risk of transient and permanent population establishment in Africa under current and projected future climates, considering irrigation patterns. FAW can establish itself in almost all countries in eastern and central Africa and a large part of western Africa under the current climate. Climatic barriers, such as heat and dry stresses, may limit …
The Case For Integrated Pest Management In Africa: Transition From A Pesticide-Based Approach, Ramasamy Srinivasan, Manuele Tamò, Sevgan Subramanian
The Case For Integrated Pest Management In Africa: Transition From A Pesticide-Based Approach, Ramasamy Srinivasan, Manuele Tamò, Sevgan Subramanian
All Peer-Reviewed Publications
Pest management in major cropping systems has long been dominated by chemical pesticides in Africa. Smallholder farmers have perceived pesticides as insurance to protect their crops. Consumers are less aware of pesticide-related food-safety issues, and markets providing economic incentives to producers who adopt alternatives to pesticides have been slow to emerge. Hence, overuse of pesticides has been constantly increasing. Although African countries have a number of pesticide-related policies, they are inadequately implemented. However, significant investment has been made on integrated pest management (IPM) innovations in recent decades. Resistant cultivars, agroecological approaches, biological control, and biopesticides have been developed against key …
Sustainability Hub Newsletter - December 2022, Jacqueline Jergensen, Neyda Gilman, Jennifer Embree
Sustainability Hub Newsletter - December 2022, Jacqueline Jergensen, Neyda Gilman, Jennifer Embree
Library Sustainability Resources
In our last issue of the year, read about how to get involved with sustainability focused student groups, the Reclaiming Turtle Island documentary featuring a local activist, food resources on campus, the Move Out Spring Internship, sustainable holiday tips, and other announcements!
Forest Structure And Composition Alleviate Human Thermal Stress, Loïc Gillerot, Dries Landuyt, Rachel Oh, Winston T. L. Chow, Et Al
Forest Structure And Composition Alleviate Human Thermal Stress, Loïc Gillerot, Dries Landuyt, Rachel Oh, Winston T. L. Chow, Et Al
Research Collection College of Integrative Studies
Current climate change aggravates human health hazards posed by heat stress. Forests can locally mitigate this by acting as strong thermal buffers, yet potential mediation by forest ecological characteristics remains underexplored. We report over 14 months of hourly microclimate data from 131 forest plots across four European countries and compare these to open-field controls using physiologically equivalent temperature (PET) to reflect human thermal perception. Forests slightly tempered cold extremes, but the strongest buffering occurred under very hot conditions (PET >35°C), where forests reduced strong to extreme heat stress day occurrence by 84.1%. Mature forests cooled the microclimate by 12.1 to …
Draft Final Quarterly Operations And Maintenance Report Butte Treatment Lagoon System – Third Quarter 2022, Pioneer Technical Services, Inc.
Draft Final Quarterly Operations And Maintenance Report Butte Treatment Lagoon System – Third Quarter 2022, Pioneer Technical Services, Inc.
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Atlantic Surfclam (Spisula Solidissima) Population Demographics And Distribution Along The Middle Atlantic Bight, Mauricio González Díaz
Atlantic Surfclam (Spisula Solidissima) Population Demographics And Distribution Along The Middle Atlantic Bight, Mauricio González Díaz
OES Theses and Dissertations
The Atlantic surfclam (Spisula solidissima) is a long-lived benthic biomass dominant organism that occurs on the Middle Atlantic Bight (MAB) continental shelf between 10 m and 50 m. Trends in Atlantic surfclam population specific growth and mortality rates were analyzed using four decades of age and length observations obtained from NOAA stock surveys from the 1980s to 2010s in six regions distributed along the MAB. Atlantic surfclam specific growth rates and asymptotic lengths were estimated from the age and length observations using the von Bertalanffy growth model. The analysis showed that the Atlantic surfclam median asymptotic length in …
Case Study Of A District-University Partnership: Developing Culturally Responsive Educators In A Rural Setting, Trenice Shauntel Durio
Case Study Of A District-University Partnership: Developing Culturally Responsive Educators In A Rural Setting, Trenice Shauntel Durio
Educational Leadership & Workforce Development Theses & Dissertations
Using a theoretical framework of critical race theory and conceptual frameworks of cultural education, this study explores the intersection of district-university partnerships and culturally responsive education. The purpose of this mixed methods case study was to examine the formulation and outcomes of a district-university partnership established to offer a college level course focused on anti-discrimination, equity and inclusion, and social justice in schools. Using survey data, I explored the relationship between participation in the course and the participants’ self-reflection in the areas of empathic concern and perspective taking, preparation for culturally responsive teaching and equitable practices, and comfortability with discussions …
The Role Of Inputs Of Marine Wrack And Carrion In Sandy-Beach Ecosystems: A Global Review, Glenn A. Hyndes, Emma L. Berdan, Cristian Duarte, Jenifer E. Dugan, Kyle A. Emery, Peter A. Hamback, Christopher J. Henderson, David M. Hubbard, Mariano Lastra, Miguel A. Mateo, Andrew Olds, Thomas A. Schlacher
The Role Of Inputs Of Marine Wrack And Carrion In Sandy-Beach Ecosystems: A Global Review, Glenn A. Hyndes, Emma L. Berdan, Cristian Duarte, Jenifer E. Dugan, Kyle A. Emery, Peter A. Hamback, Christopher J. Henderson, David M. Hubbard, Mariano Lastra, Miguel A. Mateo, Andrew Olds, Thomas A. Schlacher
Research outputs 2022 to 2026
Sandy beaches are iconic interfaces that functionally link the ocean with the land via the flow of organic matter from the sea. These cross-ecosystem fluxes often comprise uprooted seagrass and dislodged macroalgae that can form substantial accumulations of detritus, termed ‘wrack’, on sandy beaches. In addition, the tissue of the carcasses of marine animals that regularly wash up on beaches form a rich food source (‘carrion’) for a diversity of scavenging animals. Here, we provide a global review of how wrack and carrion provide spatial subsidies that shape the structure and functioning of sandy-beach ecosystems (sandy beaches and adjacent surf …
Rainwater Catchment System Designed For California Polytechnic State University Building 34, Jonah S. Aere
Rainwater Catchment System Designed For California Polytechnic State University Building 34, Jonah S. Aere
Construction Management
California Polytechnic State University currently receives its water supply from either Whale Rock Reservoir, for distilled water, or pumped from six ground wells, for agricultural use. Although the university’s Agricultural College requires a certain amount of water to grow crops, these demands are often not met due to the lack of water within these underground wells. A rainwater capture system could be constructed to ease the water supply burden which is already depleting, reduce wasted drainage, and maintain a sustainable agricultural water source without being dependent on other locations. This would benefit the institution by reducing imported water thereby saving …
Household Perception And Infestation Dynamics Of Bedbugs Among Residential Communities And Its Potential Distribution In Africa, Dennis M. Mbuta, Fathiya M. Khamis, Bonoukpoè M. Sokame, Florence Ng’Ong’A, Komivi S. Akutse
Household Perception And Infestation Dynamics Of Bedbugs Among Residential Communities And Its Potential Distribution In Africa, Dennis M. Mbuta, Fathiya M. Khamis, Bonoukpoè M. Sokame, Florence Ng’Ong’A, Komivi S. Akutse
All Peer-Reviewed Publications
Bedbugs have experienced an extraordinary upsurge in the recent past across the world. This cross-sectional study aimed to explore the community perception of the pest outbreaks, the population dynamics, and dispersal patterns under different habitat systems. A survey was conducted within communities in nine counties in Kenya, where geographical coordinates of the sites of bedbug presence were recorded and maximum entropy distribution modelling (MaxEnt) was used to map and predict the potentially suitable habitat, while system thinking and system dynamics approach with Vensim PLE 8.0.9 software was applied to implement bedbug infestation dynamics. Our results indicated that majority of the …
Panarchy Suggests Why Management Mitigates Rather Than Restores Ecosystems From Anthropogenic Impact, David G. Angeler, Ran Hur
Panarchy Suggests Why Management Mitigates Rather Than Restores Ecosystems From Anthropogenic Impact, David G. Angeler, Ran Hur
School of Natural Resources: Faculty Publications
Panarchy, a model of dynamic systems change at multiple, interconnected spatiotemporal scales, allows assessing whether management influences ecological processes and resilience. We assessed whether liming, a management action to counteract anthropogenic acidification, influenced scale-specific temporal fluctuation frequencies of benthic invertebrates and phytoplankton assemblages in lakes. We also tested whether these fluctuations correlated with proxies of liming (Ca:Mg ratios) to quantify scale-specific management effects. Using an ecosystem experiment and monitoring data, time series analyses (1998–2019) revealed significant multiscale temporal (and thus panarchy) structure for littoral invertebrates across limed and reference lakes. Such patterns were inconsistent for sublittoral invertebrates and phytoplankton. When …
2022 Fall Engr333 Seminar Presentation, Jordan Tuter, Aidan Bakker, Samuel Hoover, Jessica Camp
2022 Fall Engr333 Seminar Presentation, Jordan Tuter, Aidan Bakker, Samuel Hoover, Jessica Camp
ENGR 333
File for student presentation on Carbon Neutrality for Calvin University, given by students in the Fall 2022 class of ENGR333.
Wics Conference 2022: Driving Research, Teaching, And Extension Impact, Daren Redfearn, Daran Rudnick
Wics Conference 2022: Driving Research, Teaching, And Extension Impact, Daren Redfearn, Daran Rudnick
Water and Integrated Cropping Systems Conferences
The Water and Integrated Cropping Systems (WICS) Hub was established to facilitate and provide collaborative opportunities for IANR faculty to leverage their individual and collective knowledge, talents, and interests to drive impact in Research and Discovery, Teaching and Learning, Extension and Outreach. This past year we focused on building connections as well as identifying and prioritizing big challenges and opportunities facing Nebraskans. The faculty identified and organized around the following themes, Digital/Precision Agriculture, Soil Health, Integrated Cropping Systems, Water Quality, and Water Quantity. The Theme Groups are faculty led and multi-disciplinary with representation across IANR Departments and Faculty appointments. We …
Increased Aerosols Can Reverse Twomey Effect In Water Clouds Through Radiative Pathway, Pradeep Khatri, Tadahiro Hayasaka, Brent N. Holben, Ramesh P. Singh, Husi Letu, Sachchida N. Tripathi
Increased Aerosols Can Reverse Twomey Effect In Water Clouds Through Radiative Pathway, Pradeep Khatri, Tadahiro Hayasaka, Brent N. Holben, Ramesh P. Singh, Husi Letu, Sachchida N. Tripathi
Biology, Chemistry, and Environmental Sciences Faculty Articles and Research
Aerosols play important roles in modulations of cloud properties and hydrological cycle by decreasing the size of cloud droplets with the increase of aerosols under the condition of fixed liquid water path, which is known as the first aerosol indirect effect or Twomey-effect or microphysical effect. Using high-quality aerosol data from surface observations and statistically decoupling the influence of meteorological factors, we show that highly loaded aerosols can counter this microphysical effect through the radiative effect to result both the decrease and increase of cloud droplet size depending on liquid water path in water clouds. The radiative effect due to …
The Impact Of Policy Design On Willingness To Pay For Ecosystem Services From Prairie Strips, Karina A. Schoengold, Badri Khanal, Taro Mieno, Lisa Schulte Moore
The Impact Of Policy Design On Willingness To Pay For Ecosystem Services From Prairie Strips, Karina A. Schoengold, Badri Khanal, Taro Mieno, Lisa Schulte Moore
Cornhusker Economics
Ecosystem services from farmland conservation are public good benefits. The value of these benefits is primarily measured using methods that determine the willingness to pay (WTP) for those benefits. Prairie strips, a farmland conservation practice, provide ecosystem services such as improved water quality, soil health, and biodiversity (Schulte et al., 2017). The state of Iowa is a major corn producer and contributes significant amounts of nitrogen and phosphorous to the Gulf of Mexico (Alexander et al., 2008). The development of conventional agricultural systems has also resulted in a significant loss of biodiversity, including a dominant land cover of tallgrass prairie. …
Realizing The Vision Of Wcu’S Landscape Master Plan: A Panel Discussion, Josh Braid, Rodney Mader, Bradley Flamm
Realizing The Vision Of Wcu’S Landscape Master Plan: A Panel Discussion, Josh Braid, Rodney Mader, Bradley Flamm
Sustainability Research & Practice Seminar Presentations
Bradley Flamm, WCU Office of Sustainability (Moderator), with Josh Braid, WCU Grounds Department, and Rodney Mader, WCU Campus Tree Committee Chair - Panel discussion: Realizing the Vision of WCU’s Landscape Master Plan
Approval Letter For The Butte Priority Soils Operable Unit (Bpsou) Draft Final Solid Media Management Program Plan (Dated August 1, 2022), Nikia Greene
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. 38 – Sister Dump, Mike Mcanulty
Butte Priority Soils Operable Unit (Bpsou) Final Insufficiently Reclaimed Sites - Field Sampling Plan (Fsp) Bres No. 38 – Sister Dump, Mike Mcanulty
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
2023 Draft Butte Priority Soils Operable Unit Interim Site-Wide Surface Water Monitoring Quality Assurance Project Plan (Qapp), Woodard & Curran
2023 Draft Butte Priority Soils Operable Unit Interim Site-Wide Surface Water Monitoring Quality Assurance Project Plan (Qapp), Woodard & Curran
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Final Revised Bpsou Subdrain Pump Station Remedial Design (Rd) Work Plan, Pioneer Technical Services, Inc.
Final Revised Bpsou Subdrain Pump Station Remedial Design (Rd) Work Plan, Pioneer Technical Services, Inc.
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. 38 – Sister Dump., Mike Mcanulty
Butte Priority Soils Operable Unit (Bpsou) Final Insufficiently Reclaimed Sites - Field Sampling Plan (Fsp) Bres No. 38 – Sister Dump., Mike Mcanulty
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
Butte Priority Soils Operable Unit (Bpsou) Final 2022 Insufficiently Reclaimed Sites Field Sampling Plan (Fsp) Bres No. 38 – Sister Dump, Mike Mcanulty
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
2023 Draft Butte Priority Soils Operable Unit Interim Site-Wide Surface Water Monitoring Quality Assurance Project Plan, Nikia Greene
2023 Draft Butte Priority Soils Operable Unit Interim Site-Wide Surface Water Monitoring Quality Assurance Project Plan, Nikia Greene
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.
2023 Draft Butte Priority Soils Operable Unit Interim Site-Wide Surface Water Monitoring Quality Assurance Project Plan (Qapp), Woodard & Curran
2023 Draft Butte Priority Soils Operable Unit Interim Site-Wide Surface Water Monitoring Quality Assurance Project Plan (Qapp), Woodard & Curran
Silver Bow Creek/Butte Area Superfund Site
No abstract provided.