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Articles 1 - 30 of 34
Full-Text Articles in Life Sciences
Pasture Management In The Us Midwest – An Assessment Of Current Practices And Future Opportunities, C. Holohan, L. K. Paine, J. S. Cavadini, F. Lively, D. M. Jaramillo, M. S. Akins
Pasture Management In The Us Midwest – An Assessment Of Current Practices And Future Opportunities, C. Holohan, L. K. Paine, J. S. Cavadini, F. Lively, D. M. Jaramillo, M. S. Akins
IGC Proceedings (1997-2023)
Managed grazing offers significant potential to improve the sustainability of livestock farms in the US Midwest, however the benefits of managed grazing are largely influenced by the management practices employed on farm. The objective of this study was to gain an understanding of current grazing practices on Midwest farms and to identify the knowledge and support needs of graziers. A total of 185 responses were received from a range of different enterprises including dairy, beef, and sheep production. Results show a substantial degree of variation in grazing management practices between respondents and highlights significant scope for improvement on farms particularly …
Livestock Producers' Perceptions Of The American Black Vulture Conflict In The Midwestern United States, Marian L. Wahl, Brooke Mcwherter, Patrick A. Zollner, Zhao Ma, Grant C. Burcham, Lee A. Humberg, Brian M. Kluever
Livestock Producers' Perceptions Of The American Black Vulture Conflict In The Midwestern United States, Marian L. Wahl, Brooke Mcwherter, Patrick A. Zollner, Zhao Ma, Grant C. Burcham, Lee A. Humberg, Brian M. Kluever
USDA Wildlife Services: Staff Publications
Human‐wildlife interactions are present wherever both humans and wildlife are found. Interactions can be positive or negative for humans and can include impacts that range from damage to property, agriculture, health and human safety, to emotional effects. Livestock‐wildlife interactions form a major component of human‐wildlife conflicts with foci often centered on the implications of livestock predation by wildlife. While most vulture species are obligate scavengers, several species, including the American black vulture (Coragyps atratus), may attack weak or newborn livestock. Black vulture populations and distributions are expanding in the Midwestern U.S., and attacks create a novel problem for …
Developing Regional Extension Programs And Research Tools For Beekeepers, Sheldon Brummel
Developing Regional Extension Programs And Research Tools For Beekeepers, Sheldon Brummel
Department of Entomology: Dissertations, Theses, and Student Research
The body of work presented in this thesis describes the development and structure of the Regional Great Plains Master Beekeeping training program, which started in 2019, serves 1500+ beekeepers across five Midwest states (IA, KS, MO, NE, WY), and is supported through local partnerships and beekeepers. This chapter also discusses the leadership structure and aspects I developed for program advancement and long-term sustainability, such as incorporating mentorship and volunteer service goals as well as requiring independent projects to become a certified Master beekeeper. Independent projects may focus on research or teaching goals but must illustrate the candidate’s ability to apply …
First Report Of Yellow-Flowered Teasel, Dipsacus Strigosus Willd. Ex Roem. & Schult. (Dipsacaceae) In Indiana, A North American Record, Rebecca W. Dolan
First Report Of Yellow-Flowered Teasel, Dipsacus Strigosus Willd. Ex Roem. & Schult. (Dipsacaceae) In Indiana, A North American Record, Rebecca W. Dolan
Scholarship and Professional Work - LAS
This paper reports the presence of Dipsacus strigosus Willd. ex Roem. & Schult. in Indiana. The species, native to western Asia, is naturalized in several locations in Europe. This is the first documented occurrence in North America. The new record was collected along a recently constructed bike path in a moist wooded area of the Butler University campus in Indianapolis, Indiana, USA. Like the two other species of the genus known in the Indiana, D. strigosus is likely to be invasive, so efforts will be made to eradicate this population. The plant should be monitored and looked for in other …
A Round Indiana: Round Barns In The Hoosier State, Second Edition, John T. Hanou
A Round Indiana: Round Barns In The Hoosier State, Second Edition, John T. Hanou
Purdue University Press Book Previews
Rounds barns are architectural phenomena that have graced rural America for over a century. Today the few that survive stand as symbols of another generation’s innovation and ingenuity. To understand the importance of these buildings is to begin to understand the story of farming in America. A Round Indiana: Round Barns in the Hoosier State, Second Edition documents the 266 round barns identified in the history of Indiana. This book contains more than 300 modern and historical photographs alongside nearly 40 line drawings and plans.
Author and award-winning photographer John T. Hanou combed through often-forgotten documents to tell the fascinating …
Parasitism Of Female Neotibicen Linnei (Hemiptera: Cicadidae) By Larvae Of The Sarcophagid Fly Emblemasoma Erro In Wisconsin, Allen M. Young
Parasitism Of Female Neotibicen Linnei (Hemiptera: Cicadidae) By Larvae Of The Sarcophagid Fly Emblemasoma Erro In Wisconsin, Allen M. Young
The Great Lakes Entomologist
Herein it is reported an unusual case of parasitism of a female Neotibicen linnei (Smith and Grossbeck) by the sarcophagid Emblemasoma erro (Aldrich) in western Wisconsin. Sarcophagids typically attack male cicadas, locating them by the latter’s acoustical behavior.
Some members of the dipteran family Sarcophagidae are parasitic on male cicadas (e.g. Soper et. al. 1976, Lakes-Harlan et. al. 2000, Faris et. al. 2008, Stucky 2015). Parasitoids such as Emblemasoma species are attracted to larviposit on male cicadas by responding to the latter’s acoustical signals (Tron et. al. 2016). Sarcophagids, therefore, are generally not attracted to mute female cicadas. In this …
Parasitism Of Adult Pentatomidae By Tachinidae In Soybean In The North Central Region Of The United Statespheylan, Pheylan A. Anderson, Daniela T. Pezzini, Nádia M. Bueno, Christina D. Difonzo, Deborah L. Deborah, Thomas E. Hunt, Janet J. Knodel, Christian H. Krupke, Brian P. Mccornack, Christopher R. Philips, Adam J. Varenhorst, Robert J. Wright, Robert L. Koch
Parasitism Of Adult Pentatomidae By Tachinidae In Soybean In The North Central Region Of The United Statespheylan, Pheylan A. Anderson, Daniela T. Pezzini, Nádia M. Bueno, Christina D. Difonzo, Deborah L. Deborah, Thomas E. Hunt, Janet J. Knodel, Christian H. Krupke, Brian P. Mccornack, Christopher R. Philips, Adam J. Varenhorst, Robert J. Wright, Robert L. Koch
Department of Entomology: Faculty Publications
Stink bugs (Hemiptera: Pentatomidae) are agricultural pests of increasing significance in the North Central Region of the United States, posing a threat to major crops such as soybean. Biological control can reduce the need for insecticides to manage these pests, but the parasitism of stink bugs byTachinidae (Diptera) is poorly characterized in this region. The objective of this study was to evaluate the rate of parasitism of stink bugs by tachinids over 2 yr from nine states across the North Central Region. Parasitism was assessed by quantifying tachinid eggs on the integument of stink bug adults. Parasitism rates (i.e., percent …
Cantaloupe And Specialty Melon Variety Evaluation In Indiana, Wenjing Guan, Dennis Nowaskie, Petrus Langenhoven, Daniel S. Egel
Cantaloupe And Specialty Melon Variety Evaluation In Indiana, Wenjing Guan, Dennis Nowaskie, Petrus Langenhoven, Daniel S. Egel
Midwest Vegetable Trial Reports
Thirty melon varieties including traditional eastern-type cantaloupe, non-slip muskmelon, honeydew, and other specialty type melons were evaluated in a field trial at the Southwest Purdue Agricultural Center (SWPAC) in Vincennes, IN in 2019. Yield and fruit quality attributes including fruit size, total soluble solids, firmness, etc., were recorded. This study identified promising melon cultivars for growing under Midwest open-field conditions.
First Records Of The Adventive Pseudoanthidium Nanum (Mocsáry) (Hymenoptera: Megachilidae) In Illinois And Minnesota, With Notes On Its Identification And Taxonomy, Zachary M. Portman, Skyler J. Burrows, Terry Griswold, Mike Arduser, Aaron J. Irber, Rebecca K. Tonietto, Daniel P. Cariveau
First Records Of The Adventive Pseudoanthidium Nanum (Mocsáry) (Hymenoptera: Megachilidae) In Illinois And Minnesota, With Notes On Its Identification And Taxonomy, Zachary M. Portman, Skyler J. Burrows, Terry Griswold, Mike Arduser, Aaron J. Irber, Rebecca K. Tonietto, Daniel P. Cariveau
The Great Lakes Entomologist
We report the first records of Pseudoanthidium nanum (Mocsáry) in Illinois and Minnesota in 2016 and 2018, respectively. This represents a relatively rapid expansion since P. nanum was first detected in New Jersey in 2008. In order to help monitor the spread of this bee, we provide information on how to identify P. nanum and provide images of the general habitus, diagnostic features, and male genitalia. Finally, we confirm the taxonomic identity of P. nanum in the United States and highlight potential impacts on native anthidiines.
Quick And Easy Guide To Common Butterflies: An Introduction To The 25 Most Commonly Encountered Butterflies In The Midwest, Paul Switzer
Quick And Easy Guide To Common Butterflies: An Introduction To The 25 Most Commonly Encountered Butterflies In The Midwest, Paul Switzer
Faculty Research & Creative Activity
If you are new to butterfly watching, this is the book for you! It covers 25 of the most commonly encountered butterflies in the Midwestern U.S. Learning these common species will give you a great start in your discovery of the more than 100 butterfly species in our region, many of which look very similar to those included in this guide.
Quick And Easy Guide To Common Butterflies: An Introduction To The 25 Most Commonly Encountered Butterflies In The Midwest (Reduced File Size), Paul Switzer
Faculty Research & Creative Activity
If you are new to butterfly watching, this is the book for you! It covers 25 of the most commonly encountered butterflies in the Midwestern U.S. Learning these common species will give you a great start in your discovery of the more than 100 butterfly species in our region, many of which look very similar to those included in this guide.
Reduced File Size: Quick And Easy Guide To Common Butterflies: An Introduction To The 25 Most Commonly Encountered Butterflies In The Midwest, Paul Switzer
Faculty Research & Creative Activity
If you are new to butterfly watching, this is the book for you! It covers 25 of the most commonly encountered butterflies in the Midwestern U.S. Learning these common species will give you a great start in your discovery of the more than 100 butterfly species in our region, many of which look very similar to those included in this guide.
Evaluation Of Goji Berry (Lycium Barbarum L.) Cultivars And Air Root Pruning For Edible Greens Production In The Midwest, Jesse Lee Carroll
Evaluation Of Goji Berry (Lycium Barbarum L.) Cultivars And Air Root Pruning For Edible Greens Production In The Midwest, Jesse Lee Carroll
MSU Graduate Theses
Goji berry plants (Lycium barbarum L.) are grown across the globe for their berries and the health benefits that come from eating those berries. However, in Ningxia, China, Goji berry plants are also grown as a source of edible greens. In order to harvest the young green shoots, the plants are subjected to intense pruning and kept as a small, low-growing shrub. There is little information on this method of Goji berry management and greens production in the United States. The purpose of this research is to determine if Goji berry cultivars grown for berry production in the United …
The Encyclopedia Of North American Drosophilids Volume 1: Drosophilids Of The Midwest And Northeast, Thomas Werner, Tessa Steenwinkel, John Jaenike
The Encyclopedia Of North American Drosophilids Volume 1: Drosophilids Of The Midwest And Northeast, Thomas Werner, Tessa Steenwinkel, John Jaenike
Open Access Books
The Encyclopedia of North American Drosophilids: Volume 1: Drosophilids of the Midwest and Northeast provides an introduction to the flies of the family Drosophilidae of the Midwest and Northeast of the United States, as well as nearby regions in Canada. The book strives to facilitate identification of most of the drosophilid species in this region and provides remarks on interesting aspects of their biology and suggestions for future research on them. The book is intended for researchers, teachers, and students wishing to discover the diversity of these flies.
Version 3 is a major update that establishes this work as Volume …
Modeling Gross Primary Production Of Midwest Maize And Soybean Croplands With Satellite And Gridded Weather Data, Gunnar Malek-Madani
Modeling Gross Primary Production Of Midwest Maize And Soybean Croplands With Satellite And Gridded Weather Data, Gunnar Malek-Madani
Department of Geography: Dissertations, Theses, and Student Research
The gross primary production (GPP) metric is useful in determining trends in the terrestrial carbon cycle. Models that determine GPP utilizing the light use efficiency (LUE) approach in conjunction with biophysical parameters that account for local weather conditions and crop specific factors are beneficial in that they combine the accuracy of the biophysical model with the versatility of the LUE model. One such model developed using in situ data was adapted to operate with remote sensing derived leaf area index (LAI) data and gridded weather datasets. The model, known as the Light Use Efficiency GPP Model (EGM), uses a four …
Application Of A Coupled Human Natural System Framework To Organize And Frame Challenges And Opportunities For Biodiversity Conservation On Private Lands, John E. Quinn, Jesse Wood
Application Of A Coupled Human Natural System Framework To Organize And Frame Challenges And Opportunities For Biodiversity Conservation On Private Lands, John E. Quinn, Jesse Wood
Biology Publications
Conservation science addresses the complementary goals of preventing future biodiversity loss while sustaining critical human foundations. In this paper we use two case studies focused on land management to discuss how private lands conservation can be more effective by considering how planning and decision making reflects a coupled human and natural system (CHANS). The first case study focuses on conservation easements in the temperate forests of eastern United States; the second focuses on conservation opportunities in Midwestern agroecosystems, in particular the value of agroforestry. For each case study we discuss the natural and human subsystems, how elements and interactions within …
Forecasting Climate Change Impacts On The Distribution Of Wetland Habitat In The Midwestern United States, Heath Garris, Randall Mitchell, Lauchlan Fraser, Linda Barrett
Forecasting Climate Change Impacts On The Distribution Of Wetland Habitat In The Midwestern United States, Heath Garris, Randall Mitchell, Lauchlan Fraser, Linda Barrett
Randall J. Mitchell
Shifting precipitation patterns brought on by climate change threaten to alter the future distribution of wetlands. We developed a set of models to understand the role climate plays in determining wetland formation on a landscape scale and to forecast changes in wetland distribution for the Midwestern United States. These models combined 35 climate variables with 21 geographic and anthropogenic factors thought to encapsulate other major drivers of wetland distribution for the Midwest. All models successfully recreated a majority of the variation in current wetland area within the Midwest, and showed that wetland area was significantly associated with climate, even when …
Forecasting Climate Change Impacts On The Distribution Of Wetland Habitat In The Midwestern United States, Heath Garris, Randall Mitchell, Lauchlan Fraser, Linda Barrett
Forecasting Climate Change Impacts On The Distribution Of Wetland Habitat In The Midwestern United States, Heath Garris, Randall Mitchell, Lauchlan Fraser, Linda Barrett
Linda R. Barrett
Shifting precipitation patterns brought on by climate change threaten to alter the future distribution of wetlands. We developed a set of models to understand the role climate plays in determining wetland formation on a landscape scale and to forecast changes in wetland distribution for the Midwestern United States. These models combined 35 climate variables with 21 geographic and anthropogenic factors thought to encapsulate other major drivers of wetland distribution for the Midwest. All models successfully recreated a majority of the variation in current wetland area within the Midwest, and showed that wetland area was significantly associated with climate, even when …
Evaluating Competing Preferences Of Hunters And Landowners For Management Of Deer Populations, Gino J. D'Angelo, Marrett D. Grund
Evaluating Competing Preferences Of Hunters And Landowners For Management Of Deer Populations, Gino J. D'Angelo, Marrett D. Grund
Human–Wildlife Interactions
Most state wildlife agencies consider public input in the management of whitetailed deer (Odocoileus virginianus) populations. In 2013, we surveyed deer hunters (n = 3,600) and landowners (n = 4,604) in southwest Minnesota to gauge their preferences for managing deer. We hypothesized a priori that, irrespective of their perceived impacts of deer, hunters would prefer deer populations to be increased and landowners would prefer deer populations to be decreased. Our findings suggest that defining stakeholder groups according to primary associations with deer (i.e., farming and hunting) accurately categorized differences in tolerance levels for deer populations in …
Body Shape Divergence In Invasive Round Goby, Cat Collins
Body Shape Divergence In Invasive Round Goby, Cat Collins
DePaul Discoveries
The round goby, Neogobius melanostomus, originally native to the Black and Caspian seas, was introduced into the Great Lakes via ballast water in the 1990’s. Since then, the species has spread to all of the Great Lakes, thriving in the Lake Michigan region and spreading to surrounding bays and rivers. Invasive species are considered to have a high evolutionary potential. Differences in environmental conditions between native and introduced ranges stimulate adaptive evolution. Multiple introductions of an exotic species can result in separate instances of founder effects, further increasing the chance of evolutionary change. A total of 267 round goby specimens …
A Survey Of The Ratio Of Melanistic To Gray Squirrels (Sciurus Carolinensis) On Five Midwestern College Campuses, Molly Koleczek
A Survey Of The Ratio Of Melanistic To Gray Squirrels (Sciurus Carolinensis) On Five Midwestern College Campuses, Molly Koleczek
Honors Program Projects
This experiment was an observational field study on 5 college campuses across western Indiana and western Illinois. The purpose of this experiment was to find the ratio of melanistic to gray squirrels on each campus and see if the ratio changed geographically. Gray squirrels (Sciurus carolinensis) have melanistic color variants in their populations that have not been documented across their distribution in the United States. Melanistic variants were introduced in the eastern United States and seem to be moving westward. Data was collected for all 4 seasons for Olivet Nazarene University, St. Joseph’s College and Illinois State University. …
Relationships Between Isolating Land Use And Amphibian Populations In Sub-Boreal Peatlands Of The Midwestern United States, Jeana Rose Albers
Relationships Between Isolating Land Use And Amphibian Populations In Sub-Boreal Peatlands Of The Midwestern United States, Jeana Rose Albers
All Graduate Theses, Dissertations, and Other Capstone Projects
Successful conservation efforts of amphibians depend on the knowledge of habitat preferences because the biggest threat to amphibian populations is considered to be habitat loss. Sub-boreal peatlands in the Midwest may be a refuge for amphibian populations, but little is known about the flora and fauna of these peatlands. My study examined amphibian species richness and species diversity in 17 sub-boreal peatlands in Minnesota and Wisconsin in 2011 and 2012. I assessed the relationship between land use of lands adjacent to peatlands and use of those peatlands by amphibian populations at three spatial scales by examining landscapes surrounding peatlands in …
Continuous, Pulsed And Disrupted Nutrient Subsidy Effects On Ecosystem Productivity, Stability, And Energy Flow, Michael J. Weber, Michael L. Brown
Continuous, Pulsed And Disrupted Nutrient Subsidy Effects On Ecosystem Productivity, Stability, And Energy Flow, Michael J. Weber, Michael L. Brown
Natural Resource Management Faculty Publications
Resource pulses and subsidies can supply ecosystems with an important source of nutrients that supports additional productivity at multiple trophic levels. Common carp Cyprinus carpio provide ecosystems with a continuous nutrient subsidy through bioturbation and excretion but may also initiate a nutrient pulse through carcass decomposition. We examined how continuous (common carp foraging and excretion), pulsed (carcass decomposition) and disrupted (carp introduced and then removed) nutrient subsidies differed in their ability to alter nutrient availability, ecosystem productivity and stability and energy flow. Nitrogen and phosphorus availability and primary production were highest in pulsed, intermediate in continuous and lowest for disrupted …
Continuous, Pulsed And Disrupted Nutrient Subsidy Effects On Ecosystem Productivity, Stability, And Energy Flow, Michael J. Weber, Michael L. Brown
Continuous, Pulsed And Disrupted Nutrient Subsidy Effects On Ecosystem Productivity, Stability, And Energy Flow, Michael J. Weber, Michael L. Brown
Michael J Weber Dr
Resource pulses and subsidies can supply ecosystems with an important source of nutrients that supports additional productivity at multiple trophic levels. Common carp Cyprinus carpio provide ecosystems with a continuous nutrient subsidy through bioturbation and excretion but may also initiate a nutrient pulse through carcass decomposition. We examined how continuous (common carp foraging and excretion), pulsed (carcass decomposition) and disrupted (carp introduced and then removed) nutrient subsidies differed in their ability to alter nutrient availability, ecosystem productivity and stability and energy flow. Nitrogen and phosphorus availability and primary production were highest in pulsed, intermediate in continuous and lowest for disrupted …
My 21st Century Expedition: Following The Route Of Schoolcraft 1820, 1832 To The Source Of The Mississippi River, Lorah Patterson
My 21st Century Expedition: Following The Route Of Schoolcraft 1820, 1832 To The Source Of The Mississippi River, Lorah Patterson
Honors Theses
The journal of Lorah Patterson during her expedition from Schoolcraft, Michigan, to the source of the Mississippi River. Supplemental file contains complete Herbarium. The thesis includes only a few examples.
Fish Assemblage Structure In Natural, Channelized, And Restored Sections Of Nippersink Creek, Mchenry County, Illinois, Sarah Ann Zack
Fish Assemblage Structure In Natural, Channelized, And Restored Sections Of Nippersink Creek, Mchenry County, Illinois, Sarah Ann Zack
Master's Theses
Degradation of aquatic habitats and loss of biodiversity are growing concerns of natural resource managers and the general public. Channelization, the common historical practice of straightening streams and rivers for agricultural interests, has had profound detrimental effects on the biodiversity of lotic fish assemblages. Nippersink Creek, McHenry County, IL is a twenty-three mile stream that flows through an area valued for its fish, wildlife, and invertebrate biodiversity. Although a portion of the stream was channelized in the 1950's, restoration efforts by the McHenry County Conservation District have recently restored historical meanders. Nevertheless, efforts to restore streams and rivers to their …
Slides: Agricultural Resilience And Urban Growth: A Closer Look, William R. Travis
Slides: Agricultural Resilience And Urban Growth: A Closer Look, William R. Travis
Western Water Law, Policy and Management: Ripples, Currents, and New Channels for Inquiry (Martz Summer Conference, June 3-5)
Presenter: William R. Travis, Department of Geography, Center for Science & Technology Policy Research, CIRES, University of Colorado at Boulder
30 slides
Intrafield Patterns Of Wildlife Damage To Corn And Soybeans In Northern Indiana, Travis L. Devault, James C. Beasley, Lee A. Humberg, Brian J. Macgowan, Mónica I. Retamosa, Olin E. Rhodes Jr.
Intrafield Patterns Of Wildlife Damage To Corn And Soybeans In Northern Indiana, Travis L. Devault, James C. Beasley, Lee A. Humberg, Brian J. Macgowan, Mónica I. Retamosa, Olin E. Rhodes Jr.
Human–Wildlife Interactions
Management programs aimed at reducing wildlife damage to row crops rely on information concerning the spatial nature of wildlife damage at local and landscape scales. In this study we explored spatial patterns of wildlife damage within individual corn and soybean fields by describing relationships between specific locations where wildlife damage was recorded and distances from such locations to various habitat types that presumably influenced animal abundance and movements in our study area. Using stratified random sampling, we conducted depredation surveys of 100 corn fields and 60 soybean fields from May through October both in 2003 and 2004 and recorded the …
Forage News [2005-08], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News [2005-08], Department Of Plant And Soil Sciences, University Of Kentucky
Forage News
- International Grassland Congress
- Grazing School
- Heart of America Grazing Conference
- U.K. All Commodity Field Day
- Alfalfa Hay Acres Up
- Time to Line Up Seed for Fall Planting
- Hay/Barn Fires
- Remember to Stockpile Fescue Starting Now
- USDA-ARS Forage-Animal Production Research Unit
- Field Experience with Strip Grazing Standing Corn as an Economical Alternative for Wintering Beef Cows in the Midwest
- Grazing Corn: Impact of Harvest Date on Yield
- Poultry Litter Rate Study in Tall Fescue
- Upcoming Events
G96-1302 Managing Varroa In The Midwest, Marion D. Ellis, Frederick P. Baxendale
G96-1302 Managing Varroa In The Midwest, Marion D. Ellis, Frederick P. Baxendale
University of Nebraska-Lincoln Extension: Historical Materials
There are important regional differences in varroa population dynamics and control. This NebGuide offers recommendations on varroa management for beekeepers in the Midwest.
Varroa management has become an essential aspect of successful beekeeping since the mite was first discovered in the United States in 1987. Unlike most parasites which coexist with their host, varroa eventually destroy honey bee colonies of European descent. A good understanding of this important bee parasite is essential for successful beekeeping.