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Articles 1801 - 1830 of 18620
Full-Text Articles in Entire DC Network
Ecological Complexity And Avoiding Pest Resurgence: Intuitions From Mathematical Ecology, Theresa Ong, John H. Vandermeer
Ecological Complexity And Avoiding Pest Resurgence: Intuitions From Mathematical Ecology, Theresa Ong, John H. Vandermeer
Dartmouth Scholarship
Pest resurgence is defined by a predictable increase in pests following declines resulting from the implementation of pest management practices. This phenomenon is notorious; familiar in biblical references to cyclical plagues of locust and discussions of pesticide treadmills, where pests resurge following the evolution of pesticide resistance. Targeted “silver-bullet” approaches, whether chemical, mechanical, biological, or genetic in nature, apply a reductionist lens toward the removal of a specific target pest, often ignoring ecological context, by application of said silver-bullet. In this review article, we cover how past and recent developments in theoretical ecology and complex systems dynamics provide a general …
Assessing Ecotoxicity Of Surface Water And Sediment In The Little Scioto River, Leah Suzanne Morgan
Assessing Ecotoxicity Of Surface Water And Sediment In The Little Scioto River, Leah Suzanne Morgan
Theses, Dissertations and Capstones
Aquatic toxicology evaluates the impact of pollution on freshwater and marine biota. Polycyclic aromatic hydrocarbons (PAHs) are one class of chemicals prevalent in the environment that impair aquatic organisms. This study examined the effect of contaminated surface water and sediments from a former wood treatment facility on four aquatic species: Pimephales promelas (fathead minnow), Ceriodaphnia dubia (water flea), Chironomus dilutus (midge), and Daphnia magna (water flea). The findings showed that sediment contamination had no significant effect on survival and growth of C. dilutus or on survival of D. magna. Surface water contamination began to have a significant effect on …
Panarchy Theory For Convergence, Shana M. Sundstrom, David G. Angeler, Jesse Bell, Michael J. Hayes, Jennifer Hodbod, Babak Jalalzadeh‑Fard, Rezaul Mahmood, Elizabeth Vanwormer, Craig R. Allen
Panarchy Theory For Convergence, Shana M. Sundstrom, David G. Angeler, Jesse Bell, Michael J. Hayes, Jennifer Hodbod, Babak Jalalzadeh‑Fard, Rezaul Mahmood, Elizabeth Vanwormer, Craig R. Allen
School of Natural Resources: Faculty Publications
Coping with surprise and uncertainty resulting from the emergence of undesired and unexpected novelty or the sudden reorganization of systems at multiple spatiotemporal scales requires both a scientific process that can incorporate diverse expertise and viewpoints, and a scientific framework that can account for the structure and dynamics of interacting social-ecological systems (SES) and the inherent uncertainty of what might emerge in the future. We argue that combining a convergence scientific process with a panarchy framework provides a pathway for improving our understanding of, and response to, emergence. Emergent phenomena are often unexpected (e.g., pandemics, regime shifts) and can be …
The Search Behavior Of Terrestrial Mammals, M. Noonan, C. Martinez-Garcia, C. H. Fleming, A. R. Little Et. Al
The Search Behavior Of Terrestrial Mammals, M. Noonan, C. Martinez-Garcia, C. H. Fleming, A. R. Little Et. Al
School of Natural Resources: Faculty Publications
No abstract provided.
Impacts Of Algal Blooms And Microcystins In Fish On Small-Scale Fishers In Winam Gulf, Lake Victoria: Implications For Health And Livelihood, Amber F. Roegner, Jessica R. Corman, Lewis M. Sitoki, Zachary A. Kwena, Zachary Ogari, Jared Babu Miruka, Ame Xiong, Chelsea Weirich, Christopher Mulanda Aura, Todd Rex Miller
Impacts Of Algal Blooms And Microcystins In Fish On Small-Scale Fishers In Winam Gulf, Lake Victoria: Implications For Health And Livelihood, Amber F. Roegner, Jessica R. Corman, Lewis M. Sitoki, Zachary A. Kwena, Zachary Ogari, Jared Babu Miruka, Ame Xiong, Chelsea Weirich, Christopher Mulanda Aura, Todd Rex Miller
School of Natural Resources: Faculty Publications
Lake Victoria, bordered by Kenya, Tanzania, and Uganda, provides one of the largest freshwater fisheries in the world and supports millions in small-scale fishing communities. Historical environmental change, including population growth, nutrient loading, introduced invasive species, and rising temperatures, has resulted in eutrophication and persistent cyanobacterial harmful algae blooms (cyanoHABs) over recent decades, particularly in the shallower gulfs, bays, and inlets. CyanoHABs impact fisheries and food web dynamics and compromise food and water security for nearshore fisher populations. In this study, we examine the socialecological impact of freshwater blooms on fisher health in one of these eutrophic regions, Winam Gulf …
Connecting Distinct Realms Along Multiple Dimensions: A Meta-Ecosystem Resilience Perspective, David G. Angeler, Jani Heino, Juan Rubio-Ríos, J. Jesús Casas
Connecting Distinct Realms Along Multiple Dimensions: A Meta-Ecosystem Resilience Perspective, David G. Angeler, Jani Heino, Juan Rubio-Ríos, J. Jesús Casas
School of Natural Resources: Faculty Publications
Resilience research is central to confront the sustainability challenges to ecosystems and human societies in a rapidly changing world. Given that social-ecological problems span the entire Earth system, there is a critical need for resilience models that account for the connectivity across intricately linked ecosystems (i.e., freshwater, marine, terrestrial, atmosphere). We present a resilience perspective of meta-ecosystems that are connected through the flow of biota, matter and energy within and across aquatic and terrestrial realms, and the atmosphere. We demonstrate ecological resilience sensu Holling using aquatic-terrestrial linkages and riparian ecosystems more generally. A discussion of applications in riparian ecology and …
White-Tailed Deer (Odocoileus Virginianus) Fawn Survival And The Influence Of Landscape Characteristics On Fawn Predation Risk In The Southern Appalachian Mountains, Usa, Andrew R. Little, A. C. Edge, J. P. Rosenberger, C. J. Yates, C. H. Killmaster, K. L. Johannsen Et Al.
White-Tailed Deer (Odocoileus Virginianus) Fawn Survival And The Influence Of Landscape Characteristics On Fawn Predation Risk In The Southern Appalachian Mountains, Usa, Andrew R. Little, A. C. Edge, J. P. Rosenberger, C. J. Yates, C. H. Killmaster, K. L. Johannsen Et Al.
School of Natural Resources: Faculty Publications
No abstract provided.
Leading Toward Solutions To America’S Overcrowding And Underfunding Environmental Preservation Issues, James Seth Caudill
Leading Toward Solutions To America’S Overcrowding And Underfunding Environmental Preservation Issues, James Seth Caudill
Theses, Dissertations and Capstones
This research aims to better comprehend how the environmental preservation issues of underfunding and overcrowding of America’s parks, recreation areas, and environmental surroundings are solved through quality leadership. These environmental issues are national, state, and community problems. Currently, there exists a wealth of literature on the environmental problems caused by overcrowding and underfunding. Unfortunately, the successful problem-solving ideas identified throughout these works often do not connect with an element of leadership. This research helps fill this identified gap in the currently available environmental preservation resources. This mixed methods study explored the perceptions, ideas, and successful solutions exhibited by environmental preservation …
Characterization Of Food Chain Clostridioides Difficile Isolates In Terms Of Ribotype And Antimicrobial Resistance, Pilar Marcos, Aoife Doyle, Paul Whyte, Thomas R. Rogers, Maire Mcelroy, Seamus Fanning, Jesus Maria Frias, Declan Bolton
Characterization Of Food Chain Clostridioides Difficile Isolates In Terms Of Ribotype And Antimicrobial Resistance, Pilar Marcos, Aoife Doyle, Paul Whyte, Thomas R. Rogers, Maire Mcelroy, Seamus Fanning, Jesus Maria Frias, Declan Bolton
Articles
The aim of this study was to characterize C. difficile isolates from the farm, abattoir, and retail outlets in Ireland in terms of ribotype and antibiotic resistance (vancomycin, erythromycin, metronidazole, moxifloxacin, clindamycin, and rifampicin) using PCR and E-test methods, respectively. The most common ribotype in all stages of the food chain (including retail foods) was 078 and a variant (RT078/4). Less commonly reported (014/0, 002/1, 049, and 205) and novel (RT530, 547, and 683) ribotypes were also detected, but at lower frequencies. Approximately 72% (26/36 tested) of the isolates tested were resistant to at least one antibiotic, with the majority …
High Sensitivity Of The Tiger Beetle, Cicindela Circumpicta, To Toxicity From Pyrethroids And Neonicotinoids, And Implications For Ecosystem Function And Species Extinctions, S. Svehla, T. Brosius, Leon Higley, T. Hunt
High Sensitivity Of The Tiger Beetle, Cicindela Circumpicta, To Toxicity From Pyrethroids And Neonicotinoids, And Implications For Ecosystem Function And Species Extinctions, S. Svehla, T. Brosius, Leon Higley, T. Hunt
School of Natural Resources: Faculty Publications
No abstract provided.
Flash Drought Typologies And Societal Impacts: A Worldwide Review Of Occurrence, Nomenclature, And Experiences Of Local Populations, D. W. Walker, N. Vergopolan, L. Cavalcante, K. H. Smith, S.M.D. Agounbome, A. Almagro, T. Apurv, N. M. Dahal, D. Hoffman, V. Singh, Z. Xiang
Flash Drought Typologies And Societal Impacts: A Worldwide Review Of Occurrence, Nomenclature, And Experiences Of Local Populations, D. W. Walker, N. Vergopolan, L. Cavalcante, K. H. Smith, S.M.D. Agounbome, A. Almagro, T. Apurv, N. M. Dahal, D. Hoffman, V. Singh, Z. Xiang
School of Natural Resources: Faculty Publications
No abstract provided.
Assessment Of Health Risks Associated With Contaminants In Groundwater In The Catchment Area Of Selected Dumpsites In Abuja North Central Nigeria, A. Omali, J. T. Arogundade, Daniel D. Snow
Assessment Of Health Risks Associated With Contaminants In Groundwater In The Catchment Area Of Selected Dumpsites In Abuja North Central Nigeria, A. Omali, J. T. Arogundade, Daniel D. Snow
School of Natural Resources: Faculty Publications
No abstract provided.
Relation Of Hydrogeology And Contaminant Sources To Drinking Water Quality In Southern Kazakhstan, Z. D. Tleuova, Daniel D. Snow, M. Mukhamedzhanov, A. Ermenbay
Relation Of Hydrogeology And Contaminant Sources To Drinking Water Quality In Southern Kazakhstan, Z. D. Tleuova, Daniel D. Snow, M. Mukhamedzhanov, A. Ermenbay
School of Natural Resources: Faculty Publications
No abstract provided.
Synergistic Use Of Optical And Biophysical Traits To Assess Bromus Inermis Pasture Performance And Quality Under Different Management Strategies In Eastern Nebraska, U.S., A. Mazis, Tala Awada, G. E. Erickson, Brian D. Wardlow, B. J. Wienhold, V. Jin, M. Schmer, Andrew E. Suyker, Y. Zhou, J. Hiller
Synergistic Use Of Optical And Biophysical Traits To Assess Bromus Inermis Pasture Performance And Quality Under Different Management Strategies In Eastern Nebraska, U.S., A. Mazis, Tala Awada, G. E. Erickson, Brian D. Wardlow, B. J. Wienhold, V. Jin, M. Schmer, Andrew E. Suyker, Y. Zhou, J. Hiller
School of Natural Resources: Faculty Publications
No abstract provided.
The Cascading And Compounding Impacts Of Drought, 2023, K. H. Smith, C. Knutson, M. Svoboda
The Cascading And Compounding Impacts Of Drought, 2023, K. H. Smith, C. Knutson, M. Svoboda
School of Natural Resources: Faculty Publications
No abstract provided.
Transforming Agriculture With Intelligent Data Management And Insights," 2023 Ieee International Conference On Big Data, Y. Pan, J. Sun, H. Yu, G. Bai, Y. Ge, J. Luck, Tala Awada
Transforming Agriculture With Intelligent Data Management And Insights," 2023 Ieee International Conference On Big Data, Y. Pan, J. Sun, H. Yu, G. Bai, Y. Ge, J. Luck, Tala Awada
School of Natural Resources: Faculty Publications
No abstract provided.
On The Economics Of The Transition To A Circular Economy, A. Chennak, K. Giannakas, Tala Awada
On The Economics Of The Transition To A Circular Economy, A. Chennak, K. Giannakas, Tala Awada
School of Natural Resources: Faculty Publications
No abstract provided.
Survival And Growth Assessment After Reintroduction Of The Pocketbook Mussel, Lampsilis Cardium Rafinesque, 1820 Among Three Streams In Nebraska (Usa), F. Montesanto, L. M. Ohlman, Mark A. Pegg
Survival And Growth Assessment After Reintroduction Of The Pocketbook Mussel, Lampsilis Cardium Rafinesque, 1820 Among Three Streams In Nebraska (Usa), F. Montesanto, L. M. Ohlman, Mark A. Pegg
School of Natural Resources: Faculty Publications
No abstract provided.
Changing Blow Fly (Diptera: Calliphoridae) Populations In Orlando, Florida, United States, Amanda Roe, Russell J. Barnes, Leon G. Higley, Neal H. Haskell
Changing Blow Fly (Diptera: Calliphoridae) Populations In Orlando, Florida, United States, Amanda Roe, Russell J. Barnes, Leon G. Higley, Neal H. Haskell
School of Natural Resources: Faculty Publications
Blow flies (Diptera: Calliphoridae) were collected from various carrion baits in Orlando, Florida over 2 periods: Jun 2009 to Sep 2009 and Apr 2010 to Oct 2010. In a previous study conducted from 2002 to 2004 the dominant blow fly in Orlando, Florida, was Lucilia coeruleiviridis Macquart (Gruner et al. 2007). This collection documents a shift to Chrysomya megacephala Fabricius, as the most dominant blow fly species found in Orlando, Florida in 2009 to 2010. These field results have potential forensic implications, particularly in the analysis of cold cases.
Using Seasonal Climate Scenarios In The Forageahead Annual Forage Production Model For Early Drought Impact Assessment, M. Podebradska, B. K. Wylie, M. J. Hayes, D. J. Bathke, Y. A. Bayissa, S. P. Boyte, J. F. Brown, B. D. Wardlow
Using Seasonal Climate Scenarios In The Forageahead Annual Forage Production Model For Early Drought Impact Assessment, M. Podebradska, B. K. Wylie, M. J. Hayes, D. J. Bathke, Y. A. Bayissa, S. P. Boyte, J. F. Brown, B. D. Wardlow
School of Natural Resources: Faculty Publications
No abstract provided.
Spatiotemporal Patterns Of Wolves And Sympatric Predators And Prey Relative To Human Disturbance In Northwestern Greece, M. Petridou, J. F. Benson, O. Gimenez, K. Kati
Spatiotemporal Patterns Of Wolves And Sympatric Predators And Prey Relative To Human Disturbance In Northwestern Greece, M. Petridou, J. F. Benson, O. Gimenez, K. Kati
School of Natural Resources: Faculty Publications
No abstract provided.
Slow-Release Lanthanum Effectively Reduces Phosphate In Eutrophic Ponds Without Accumulating In Fish, C. Mccright, J. Mccoy, N. Robbins, S. Comfort
Slow-Release Lanthanum Effectively Reduces Phosphate In Eutrophic Ponds Without Accumulating In Fish, C. Mccright, J. Mccoy, N. Robbins, S. Comfort
School of Natural Resources: Faculty Publications
No abstract provided.
Stage Transitions In Lucilia Sericata And Phomia Regina (Diptera: Calliphoridae) And Implications For Forensic Science, A. Roe, R. J. Barnes, L. G. Higley, N. H. Haskell
Stage Transitions In Lucilia Sericata And Phomia Regina (Diptera: Calliphoridae) And Implications For Forensic Science, A. Roe, R. J. Barnes, L. G. Higley, N. H. Haskell
School of Natural Resources: Faculty Publications
No abstract provided.
Changing Blowfly (Diptera: Calliphoridae) Populations In Orlando, Florida, United States, A. Roe, R. J. Barnes, Leon G. Higley, N. H. Haskell
Changing Blowfly (Diptera: Calliphoridae) Populations In Orlando, Florida, United States, A. Roe, R. J. Barnes, Leon G. Higley, N. H. Haskell
School of Natural Resources: Faculty Publications
No abstract provided.
Understanding Urban Heat Islands And Impacts, San Diego Regional Climate Collaborative, Nicole Fassina, A-Bel Gong, Darbi Berry
Understanding Urban Heat Islands And Impacts, San Diego Regional Climate Collaborative, Nicole Fassina, A-Bel Gong, Darbi Berry
San Diego Regional Climate Collaborative
Urban heat islands play a large role in aggravating climate impacts on water, electricity, and air pollutants, and affect vulnerable communities disproportionately. This blog calls onto historical redlining and disinvestment and urban development as direct contributors of socioeconomic disparities and includes a case study of one of our region’s most vulnerable communities.
Water And Agriculture In The San Diego Region, San Diego Regional Climate Collaborative, Olivia Frigyes, Darbi Berry, A-Bel Gong
Water And Agriculture In The San Diego Region, San Diego Regional Climate Collaborative, Olivia Frigyes, Darbi Berry, A-Bel Gong
San Diego Regional Climate Collaborative
The San Diego region is susceptible to drought with little annual precipitation. The rising temperature and changing precipitation is expected to affect the agriculture economy. Classified as having a mediterranean climate, San Diego has hot, dry summers and cooler, wet winters. In this blog, learn about how San Diego's climate shapes its agricultural communities' reliance on water supply.
The Cascading And Compounding Impacts Of Drought, 2023, K. H. Smith, Cody L. Knutson, Mark D. Svoboda
The Cascading And Compounding Impacts Of Drought, 2023, K. H. Smith, Cody L. Knutson, Mark D. Svoboda
School of Natural Resources: Faculty Publications
No abstract provided.
Rosalie Edge And The Modern Environmental Movement, Elizabeth Claire Coleman
Rosalie Edge And The Modern Environmental Movement, Elizabeth Claire Coleman
Mahurin Honors College Capstone Experience/Thesis Projects
This thesis examines and follows the actions of an understudied activist in the environmentalist movement: Rosalie Edge. This thesis relies and encourages a combination of conservation, environmentalism, and historical women’s history in America. Rosalie Edge’s work as an environmentalist created a new and effective way for environmentalists to advocate for the environment around them. She created a pamphlet medium that invited scientists and other conservationists to publish writings and opinions that went against what the Audubon Society, the Biological Survey, and legislators were doing and publishing. The research for this project combines analysis from other professionals in the field with …
Proteomic Identification Of Seasonally Expressed Proteins Contributing To Heart Function And The Avoidance Of Skeletal Muscle Disuse Atrophy In A Hibernating Mammal, Msr Abid, E. C. Bredahl, A. D. Clifton, H. Qiu, M. T. Andrews, J. W. Checco
Proteomic Identification Of Seasonally Expressed Proteins Contributing To Heart Function And The Avoidance Of Skeletal Muscle Disuse Atrophy In A Hibernating Mammal, Msr Abid, E. C. Bredahl, A. D. Clifton, H. Qiu, M. T. Andrews, J. W. Checco
School of Natural Resources: Faculty Publications
No abstract provided.
Sheep Ingestive Behavior And Tannin Selection In Pampa Grassland And Feedlot, Marina Terra Braga
Sheep Ingestive Behavior And Tannin Selection In Pampa Grassland And Feedlot, Marina Terra Braga
Green Canyon Environmental Research Area, Logan Utah
The Pampa grassland biome has high plant biodiversity, some with significant secondary compound concentrations such as tannins. Tannin inclusion in ruminant diets may improve meat quality and productivity. However, voluntary intake of this phenolic compound can be a challenge. This dissertation includes three studies within this context. The first study documented whether sheep consume tannin-rich Desmodium incanum (DI), the most common Pampa herbaceous legume species. The second study evaluated how forage tannin and protein concentration influenced sheep feedlot feed selection and the diet affects performance parameters. The third study evaluated sheep feeding behavior in a Pampa native pasture, and how …