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An Analysis Of The History And Current Treatment Trends Of The Parasitic Mite Varroa Destructor (Acari: Varroidae) In Maine Beekeeping, Patrick Hurley 2020 University of Maine

An Analysis Of The History And Current Treatment Trends Of The Parasitic Mite Varroa Destructor (Acari: Varroidae) In Maine Beekeeping, Patrick Hurley

Honors College

Varroa mites, Varroa destructor (Acari: Varroidae), are a parasitic mite of honey bee colonies worldwide. Varroa mites feed on both adult honey bees and developing brood, easily spread between colonies, and can kill European honey bee colonies within just a few years. Beekeepers must apply mite treatments to maintain healthy colonies. This thesis is an overview of the currently available mite treatments in the United States and how they relate to Maine Beekeeping. There are three main research components of this thesis. The first is the analysis of two surveys that Maine beekeepers completed in 2019. The second is a ...


Establishment Of Wildflower Islands To Enhance Roadside Health And Aesthetics, Walter Schacht, Judy Wu-Smart 2019 University of Nebraska - Lincoln

Establishment Of Wildflower Islands To Enhance Roadside Health And Aesthetics, Walter Schacht, Judy Wu-Smart

Nebraska Department of Transportation Research Reports

Wildflowers are crucial in the ecological function of the low-input roadside plant communities in terms of water andnutrient cycling, nutrient inputs such as nitrogen, total plant canopy cover, stand longevity, and provision of habitat for numerous small animals. Further, wildflowers provide critical foraging and nesting resources for birds, insects, and other wildlife. Unfortunately, habitat loss from agricultural and urban development has led to rapid population declines in wild bees and other pollinators across the US, thereby jeopardizing not only food production but also the sustainability of our natural landscapes (Kearns & Inouye, 1997). One way to mitigate wild bee decline is ...


Cover Crops As An Integrated Approach For Pest Suppression And Pollinator Promotion In Arkansas Watermelon Production Systems, Paige Laurel Hickman 2019 University of Arkansas, Fayetteville

Cover Crops As An Integrated Approach For Pest Suppression And Pollinator Promotion In Arkansas Watermelon Production Systems, Paige Laurel Hickman

Theses and Dissertations

Arkansas watermelon growers face a variety of insect pest and disease problems that have the potential to threaten yield. Integrated pest management tactics can provide control over these threats and are intended to cut down on pesticide use and its associated negative impacts like pesticide resistance, non-target effects, and runoff. Cover crops provide an array of benefits and can be useful in integrated pest management. Evidence has shown that certain cover crops can increase beneficial insects and suppress disease in the following cash crop. They can also provide important resources to pollinators. In order to build a better understanding of ...


Kc 4.2: “Principles Text” In Action In Outstanding And Ordinary Landscapes, Nora Mitchell Dr, Steve Brown Dr., Lionella Scazzosi Dr., Jane Lennon Dr., Brenda Barrett 2019 University of Vermont

Kc 4.2: “Principles Text” In Action In Outstanding And Ordinary Landscapes, Nora Mitchell Dr, Steve Brown Dr., Lionella Scazzosi Dr., Jane Lennon Dr., Brenda Barrett

Rural Heritage - Landscapes and Beyond / PATRIMOINE RURAL: Paysages et au-delà

In 2011, the ICOMOS-IFLA International Scientific Committee on Cultural Landscapes (ISCCL)began a cultural project, the World Rural LandscapesInitiative, with the goal of a wide and systematic approach to cultural heritage for rural areas both outstanding and ordinary) that has not been sufficiently developed in the past. A first goal has been achieved: “Principles Concerning Rural Landscape as Heritage” was adopted as a doctrinal text by ICOMOS (Delhi 2017) and translated in English, French, Chinese, Spanish and Arabian (worldrurallandscapes.org).

This Knowledge Café will focus on methods and case studies to implement the main premises and contents of the ...


Addressing The Challenges Facing Wheat Production: Nebraska And International Breeding Efforts, Sarah Blecha 2019 University of Nebraska - Lincoln

Addressing The Challenges Facing Wheat Production: Nebraska And International Breeding Efforts, Sarah Blecha

Doctoral Documents from Doctor of Plant Health Program

Bread wheat, Triticum aestivum L., provides 20 percent of the global daily calorie intake. It is the third most important food crop, after rice and corn. Biotic challenges significantly reduce wheat yield; chemical control can be a solution but can be cost prohibitive for subsistence farmers. For many farmers, genetic resistance to biotic stresses can be the most cost effective solution.

The International Center for Agricultural Research in the Dry Areas (ICARDA) and the Nebraska Small Grains Breeding Program have been addressing these wheat production challenges. ICARDA is part of an international research consortium to increase wheat yield and tolerance ...


Application Of Remote Sensing Technology In Water Resources Management, Mahesh Pun 2019 University of Nebraska-Lincoln

Application Of Remote Sensing Technology In Water Resources Management, Mahesh Pun

Civil and Environmental Engineering Theses, Dissertations, and Student Research

The primary goal of this dissertation was to leverage the capabilities of remote sensing technology for capturing detailed spatial information at different spatial resolutions to monitor agricultural crops and generate accurate input datasets for water resources models. This dissertation is divided into three different research studies. In the first study, a remote sensing classification method was developed for classifying irrigated and non-irrigated fields that integrates Vegetation indices with surface energy balance fluxes. The method was applied in the COHYST2010 hydrological model region with wide climate variation and to multiple growing seasons with results that were 92.1% accurate and explained ...


Pittsburg State University Goes Native: A Study On The Resources And Wildlife Attraction Of A Native Pollinator Garden On A College Campus, Morgan Smith, Christine Brodsky 2019 Pittsburg State University

Pittsburg State University Goes Native: A Study On The Resources And Wildlife Attraction Of A Native Pollinator Garden On A College Campus, Morgan Smith, Christine Brodsky

Posters

Native pollinator gardens benefit urban communities by promoting pollination and providing support for native biodiversity conservation. Urban green spaces encourage social and physical activity, promote education, and positively influence public health in urban dwellers. Many studies have been conducted in order to fully under­stand the importance of native species reintroduction. The continuous research in this area of urban ecology can lead to better conservation and sustainability practices. This paper examines what kind of resources (i.e. costs, plants, area) are required to create a pollinator/native garden on a college campus and what kind of wildlife can be attracted ...


Living With Bees: A Look Into The Relationships Between People And Native Bees In Western Nepal, Alexandra Cobb 2019 SIT Study Abroad

Living With Bees: A Look Into The Relationships Between People And Native Bees In Western Nepal, Alexandra Cobb

Independent Study Project (ISP) Collection

Nepal is home to four native species of bees and as many methods to produce and gather their honey. In recent decades, several domestic and international organizations and governments have researched bee populations and provided financial and technical support through subsidies, trainings, and materials in efforts to conserve biodiversity and develop beekeeping in Nepal. However, little attention has been given to human-bee connections, the factors that shape them, and how they can provide a lens for understanding human-environmental relationships. Thereby, this study aims to exploring a selection of people’s experience with beekeeping and perspective of bees in order to ...


The Good, The Bad, And The Ugly: Pollinators As Vectors Of Mummy Berry Disease In Highbush Blueberry, Matthew Boyer 2019 University of Massachusetts Amherst

The Good, The Bad, And The Ugly: Pollinators As Vectors Of Mummy Berry Disease In Highbush Blueberry, Matthew Boyer

Doctoral Dissertations

Background: Many plants must balance the need for pollination services with mediating the risk of pollinator-vectored pathogens. Vaccinium corymbosum, highbush blueberry, is negatively affected by an insect-vectored, fungal plant pathogen, Monilinia vaccinii-corymosi (MVC), the cause of mummy berry disease, in which the asexual spore mimics pollen grains and is transferred from blighted tissue to flowers via pollinators, resulting in inedible, hardened fruits. Highbush blueberry plants require outcrossed pollen for maximum yield and fecundity. Therefore, yield of blueberry plants rely on a balance between adequate pollination service and disease avoidance.

Approach: To explore the relationship between pollinator community and infection we ...


Residues Of Thiamethoxam And Mefenoxam In Vegetative And Floral Tissue Of Soybean At The Early Reproductive Stage Resulting From Seed Treatments, Carolina Camargo, Daniel D. Snow, Sathaporn Onanong, Thomas Hunt, Blair Siegfried 2019 University of Nebraska-Lincoln

Residues Of Thiamethoxam And Mefenoxam In Vegetative And Floral Tissue Of Soybean At The Early Reproductive Stage Resulting From Seed Treatments, Carolina Camargo, Daniel D. Snow, Sathaporn Onanong, Thomas Hunt, Blair Siegfried

Faculty Publications: Department of Entomology

Thiamethoxam with mefenoxam is the most widely used neonicotinoid insecticide/fungicide mixture applied to soybean (Glycine max [L]) as seed treatments. Based on the systemic nature of thiamethoxam and mefenoxam, residues of this insecticide/fungicide mixture may be present in soybean vegetative and floral tissue and negatively impact beneficial insects. Although neonicotinoids are often applied in combination with systemic fungicides, the research on ecological risks of neonicotinoids has been focused on the analysis of these compounds without considering their interaction with other agrochemicals. The objective of this study was to identify the concentration of thiamethoxam and mefenoxam in soybean flowers ...


A Gis Model For Apiary Site Selection Based On Proximity To Nectar Sources Utilized In Varietal Honey Production On Former Mine Sites In Appalachia, Douglass W. Potter 2019 University of Kentucky

A Gis Model For Apiary Site Selection Based On Proximity To Nectar Sources Utilized In Varietal Honey Production On Former Mine Sites In Appalachia, Douglass W. Potter

Theses and Dissertations--Forestry and Natural Resources

Beekeepers in Appalachia market varietal honeys derived from particular species of deciduous trees; however, finding places in a mountainous landscape to locate new beeyards is difficult. Site selection is hindered by the high up-front costs of negotiating access to remote areas with limited knowledge of the available forage. Remotely sensed data and species distribution modeling (SDM) of trees important to beekeepers could aid in locating apiary sites at the landscape scale. The objectives of this study are i) using publicly available forest inventory data, to model the spatial distribution of three native tree species that are important to honey producers ...


Three Sister Crops: Understanding American Indian Agricultural Practices Of Corn, Beans And Squash, Sara Colombe, Madhav P. Nepal, Larry B. Browning, Matthew L. Miller, P. Troy White 2018 Hoven High School, Hoven, South Dakota

Three Sister Crops: Understanding American Indian Agricultural Practices Of Corn, Beans And Squash, Sara Colombe, Madhav P. Nepal, Larry B. Browning, Matthew L. Miller, P. Troy White

iLEARN Teaching Resources

American Indians have practiced an inter-planting system to produce corn, beans, and squash, for generations. These crops are known as the “Three Sisters”. In this lesson developed for secondary agriscience curriculum, students will understand the past, current and future production practices of the three important crops. Students will also apply their knowledge to understand the crop selection process and relate to the changing environment.


Phylogeny And Population Genetic Analyses Reveals Cryptic Speciation In The Bombus Fervidus Species Complex (Hymenoptera: Apidae), Jonathan B. Koch, Juanita Rodriguez, James P. Pitts, James P. Strange 2018 Utah State University

Phylogeny And Population Genetic Analyses Reveals Cryptic Speciation In The Bombus Fervidus Species Complex (Hymenoptera: Apidae), Jonathan B. Koch, Juanita Rodriguez, James P. Pitts, James P. Strange

Ecology Center Publications

Bumble bees (Bombus Latrielle) are significant pollinators of flowering plants due to their large body size, abundant setae, and generalist foraging strategies. However, shared setal coloration patterns among closely and distantly related bumble bee species makes identification notoriously difficult. The advent of molecular genetic techniques has increased our understanding of bumble bee evolution and taxonomy, and enables effective conservation policy and management. Individuals belonging to the North American Bombus fervidus species-complex (SC) are homogenous in body structure but exhibit significant body color phenotype variation across their geographic distribution. Given the uncertainty of the genealogical boundaries within the SC, some authors ...


Wild Bees Of Grand Staircase-Escalante National Monument: Richness, Abundance, And Spatio-Temporal Beta-Diversity, Olivia Messinger Carril, Terry Griswold, James Haefner, Joseph S. Wilson 2018 Santa Fe, NM

Wild Bees Of Grand Staircase-Escalante National Monument: Richness, Abundance, And Spatio-Temporal Beta-Diversity, Olivia Messinger Carril, Terry Griswold, James Haefner, Joseph S. Wilson

All PIRU Publications

Interest in bees has grown dramatically in recent years in light of several studies that have reported widespread declines in bees and other pollinators. Investigating declines in wild bees can be difficult, however, due to the lack of faunal surveys that provide baseline data of bee richness and diversity. Protected lands such as national monuments and national parks can provide unique opportunities to learn about and monitor bee populations dynamics in a natural setting because the opportunity for large-scale changes to the landscape are reduced compared to unprotected lands. Here we report on a 4-year study of bees in Grand ...


South American Leaf-Cutter Bees (Genus Megachile) Of The Subgenera Rhyssomegachile And Zonomegachile, With Two New Subgenera (Hymenoptera: Megachilidae), Víctor H. González, Terry Griswold, Michael S. Engel 2018 University of Kansas

South American Leaf-Cutter Bees (Genus Megachile) Of The Subgenera Rhyssomegachile And Zonomegachile, With Two New Subgenera (Hymenoptera: Megachilidae), Víctor H. González, Terry Griswold, Michael S. Engel

All PIRU Publications

Leaf-cutter bees (genus Megachile Latreille) are among the most common and diverse group of bees. However, the identity and taxonomic placement of many species are problematic and species identification is often difficult. Some species are known only from a single specimen or from one of the sexes, and identification keys are not available for many groups. We address these taxonomic issues for the subgenera Rhyssomegachile Mitchell and Zonomegachile Mitchell, two poorly known South American lineages of leaf-cutter bees. We provide comparative diagnoses, redescriptions, illustrated identification keys, new geographical records, and designate needed neotypes for Megachile cara Mitchell, M. gigas Schrottky ...


Collaboration Matters: Honey Bee Health As A Transdisciplinary Model For Understanding Real-World Complexity, Sainath Suryanarayanan, Daniel Lee Kleinman, Claudio Gratton, Amy Toth, Christelle Guedot, Russell Groves, John Piechowski, Brad Moore, Deborah Hagedorn, Dayton Kauth, Heather Swan, Mary Celley 2018 University of Wisconsin-Madison

Collaboration Matters: Honey Bee Health As A Transdisciplinary Model For Understanding Real-World Complexity, Sainath Suryanarayanan, Daniel Lee Kleinman, Claudio Gratton, Amy Toth, Christelle Guedot, Russell Groves, John Piechowski, Brad Moore, Deborah Hagedorn, Dayton Kauth, Heather Swan, Mary Celley

Ecology, Evolution and Organismal Biology Publications

We develop a transdisciplinary deliberative model that moves beyond traditional scientific collaborations to include nonscientists in designing complexity-oriented research. We use the case of declining honey bee health as an exemplar of complex real-world problems requiring cross-disciplinary intervention. Honey bees are important pollinators of the fruits and vegetables we eat. In recent years, these insects have been dying at alarming rates. To prompt the reorientation of research toward the complex reality in which bees face multiple challenges, we came together as a group, including beekeepers, farmers, and scientists. Over a two-year period, we deliberated about how to study the problem ...


Management Implications Of Regionally-Distinct Populations Of The Blue Orchard Bee, Diane G. Alston 2018 Utah State University Extension

Management Implications Of Regionally-Distinct Populations Of The Blue Orchard Bee, Diane G. Alston

Funded Research Records

No abstract provided.


Radical Social Ecology As Deep Pragmatism: A Call To The Abolition Of Systemic Dissonance And The Minimization Of Entropic Chaos, Arielle Brender 2018 Fordham University

Radical Social Ecology As Deep Pragmatism: A Call To The Abolition Of Systemic Dissonance And The Minimization Of Entropic Chaos, Arielle Brender

Student Theses 2015-Present

This paper aims to shed light on the dissonance caused by the superimposition of Dominant Human Systems on Natural Systems. I highlight the synthetic nature of Dominant Human Systems as egoic and linguistic phenomenon manufactured by a mere portion of the human population, which renders them inherently oppressive unto peoples and landscapes whose wisdom were barred from the design process. In pursuing a radical pragmatic approach to mending the simultaneous oppression and destruction of the human being and the earth, I highlight the necessity of minimizing entropic chaos caused by excess energy expenditure, an essential feature of systems that aim ...


Mr448: Bees And Their Habitats In Four New England States, Alison C. Dibble, Francis A. Drummond, Anne L. Averill, Kalyn Bickerman-Martens, Sidney C. Bosworth, Sara L. Bushman, Aaron K. Hoshide, Megan E. Leach, Kim Skyrm, Eric Venturini, Annie White 2018 UMaine

Mr448: Bees And Their Habitats In Four New England States, Alison C. Dibble, Francis A. Drummond, Anne L. Averill, Kalyn Bickerman-Martens, Sidney C. Bosworth, Sara L. Bushman, Aaron K. Hoshide, Megan E. Leach, Kim Skyrm, Eric Venturini, Annie White

Miscellaneous Reports

Bees are crucial to pollination in unmanaged ecosystems and some crops, and their roles are increasingly understood in four states in the Northeastern U.S., abbreviated “NNE” in this paper: Maine (ME), Massachusetts (MA), New Hampshire (NH), and Vermont (VT). The four states have in common many native bee and plant species, forest types, and natural communities. They share drought events and risk of wildfire (Irland 2013). They are exposed to many of the same major storms (e.g., hurricanes, Foster 1988), pollution events (Hand et al. 2014), and effects ascribed to climate change (Hayhoe et al. 2008). Beekeeping enterprises ...


T Socio-Ecology Of Managed Honeybees (Apis Mellifera) In The Louisville Metro Area., Haileigh M. Arnold 2018 University of Louisville

T Socio-Ecology Of Managed Honeybees (Apis Mellifera) In The Louisville Metro Area., Haileigh M. Arnold

Electronic Theses and Dissertations

Humans have a long history of the practice of beekeeping to harness the power of pollination. This managed pollinator system consists of beekeepers, honeybees, and their environment. However, recent disease, pesticide use, and land use factors honeybee threaten this relationship. In the face of such concerns it is important to examine the factors that impact and can help sustain our managed pollinator systems. In this thesis, the national and Kentucky state-level policies that affect managed pollinator systems were examined and socio-ecological factors that may contribute to honeybee hive growth and losses were assessed along an urban development gradient in Louisville ...


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