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2018

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Articles 151 - 180 of 345

Full-Text Articles in Entire DC Network

Small Mammal Diversity, Rattlesnake Demographics, And Resource Utilization In The Great Basin: Implications For Management And Stable Isotope Proxies, Bryan T. Hamilton Apr 2018

Small Mammal Diversity, Rattlesnake Demographics, And Resource Utilization In The Great Basin: Implications For Management And Stable Isotope Proxies, Bryan T. Hamilton

Theses and Dissertations

Plant carbon isotopes were used to track assimilation of riparian resources by small mammals. Voles and shrews derived significant portions of their carbon from riparian vegetation. Deer and harvest mice were abundant in riparian habitat but assimilated little riparian vegetation indicating that the riparian corridor provided resources other than food. This is first use of stable carbon isotopes to trace riparian resources into a vertebrate community. Conifer encroachment in sagebrush ecosystems negatively affects many wildlife populations. Conifer removal is recommended across millions of hectares in the Great Basin. However the effects of conifer encroachment and conifer removal are unknown for …

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Focus On Boise State University, Sherry Squires (Editor) Apr 2018

Focus On Boise State University, Sherry Squires (Editor)

FOCUS on Boise State

No abstract provided.

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Coupled Effects Of Oil Spill And Hurricane On Saltmarsh Terrestrial Arthropods, Wokil Bam, Linda M. Hooper-Bui, Rachel M. Strecker, Puspa L. Adhikari, Edward B. Overton Apr 2018

Coupled Effects Of Oil Spill And Hurricane On Saltmarsh Terrestrial Arthropods, Wokil Bam, Linda M. Hooper-Bui, Rachel M. Strecker, Puspa L. Adhikari, Edward B. Overton

Faculty Publications

Terrestrial arthropods play an important role in saltmarsh ecosystems, mainly affecting the saltmarsh’s primary production as the main consumers of terrestrial primary production and decomposition. Some of these arthropods, including selected insects and spiders, can be used as ecological indicators of overall marsh environmental health, as they are differentially sensitive to ecological stressors, such as land loss, erosion, oil spills, and tropical storms. In the present study, we used terrestrial arthropods collected from seven (three lightly-oiled, four heavily-oiled) sites in Barataria Bay and from three unoiled reference sites in Delacroix, Louisiana, to determine the impacts of the distribution and re-distribution …

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Science At Engineer Cantonment [Part 5], Hugh H. Genoways, Brett C. Ratcliffe Apr 2018

Science At Engineer Cantonment [Part 5], Hugh H. Genoways, Brett C. Ratcliffe

University of Nebraska State Museum: Mammalogy Papers

Long’s Expedition was the first party with trained scientists to explore the American West in the name of the United States government. Historians have not been particularly kind to the expedition. William Goetzmann described the party as “A curious cavalcade of disgruntled career officers, eccentric scientists, and artist-playboys, . . .” Hiram Chittenden believed that the expedition of 1819 had failed, and that “a small side show was organized for the season of 1820 in the form of an expedition to the Rocky Mountains.” However, recent papers by Genoways and Ratcliffe, and others conclude that both biologists and historians have …

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Epid 7133 – Epidemiologic Research Methods I (3 Credits), Logan Cowan Apr 2018

Epid 7133 – Epidemiologic Research Methods I (3 Credits), Logan Cowan

College of Public Health: Faculty Syllabi (2014-2021)

This course will focus on epidemiologic methods - primarily methods used in observational studies using existing data, cohort studies, case-control studies and randomized controlled trials. With respect to cohort studies, topics covered include cohort identification, ascertainment of exposure status, follow-up of cohort members, measuring outcomes, sources of bias and interpretational issues. Case-control topics include issues around defining cases and controls, control of confounding, and sources of bias/systematic error. Topics around randomized trials include randomization procedures, defining and assembling treatment/intervention arms, selecting study subjects and approaches to data collection. Other topics covered in this course include surveillance and ecologic studies. Pros …

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Epid 7133 - Epidemiologic Research Methods I, Kelly L. Sullivan Apr 2018

Epid 7133 - Epidemiologic Research Methods I, Kelly L. Sullivan

College of Public Health: Faculty Syllabi (2014-2021)

This course will focus on epidemiologic methods - primarily methods used in observational studies, cohort studies, case-control studies and randomized controlled trials. With respect to cohort studies, topics covered include cohort identification, ascertainment of exposure status, follow-up of cohort members, measuring outcomes, sources of bias and interpretational issues. Case-control topics include issues around defining cases and controls, control of confounding, and sources of bias/systematic error. Topics around randomized trials include randomization procedures, defining and assembling treatment/intervention arms, selecting study subjects and approaches to data collection. Other topics covered in this course include surveillance and ecologic studies. Pros and cons of …

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Ecological Characteristic And Health Of Mangrove Forest At Tanakeke Island South Sulawesi, Heru Setiawan, Mursidin Mar 2018

Ecological Characteristic And Health Of Mangrove Forest At Tanakeke Island South Sulawesi, Heru Setiawan, Mursidin

Jurnal Penelitian Kehutanan Wallacea

Mangrove forest at Tanakeke Island has important roles both for ecology and economy. High pressure on mangrove caused mangrove degradation in the island. Knowledge of ecological conditions and health of mangrove forest are essential for mangrove ecosystem management at the island. The study aims to determine ecological characteristics and health status of mangrove forest at Tanakeke Island, Takalar District, South Sulawesi. This study employed quantitative methods using field survey with observations using plots of 10 m x 10 m. Observation plots were located evenly all over the island. Results showed mangrove forests at Tanakeke Island consist of 11 species belong …

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Remote Sensing And Spatial Metrics For Quantifying Seagrass Landscape Changes: A Study On The 2011 Indian River Lagoon Florida Seagrass Die-Off Event, René Dieter Baumstark Mar 2018

Remote Sensing And Spatial Metrics For Quantifying Seagrass Landscape Changes: A Study On The 2011 Indian River Lagoon Florida Seagrass Die-Off Event, René Dieter Baumstark

USF Tampa Graduate Theses and Dissertations

Florida’s seagrasses are ecologically important marine environments which have suffered major degradation caused by increasing anthropogenic pressures. A 2011 seagrass die-off event caused by an algal bloom in the Florida Indian River Lagoon (IRL) was particularly severe with a majority of seagrass lost in areas such as the Banana River. An understanding of how this coastal marine environment changed is an important step toward better managing resources for conservation. Modern tools and methods provide new opportunities to study these changes at the landscape scale, a scale that informs on the larger more comprehensive state of a system. Classified satellite imagery …

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Characterization Of Ambient Noise, Rachel C. Ramirez Mar 2018

Characterization Of Ambient Noise, Rachel C. Ramirez

Theses and Dissertations

An Air Force sponsor is interested in improving an acoustic detection model by providing better estimates on how to characterize the background noise of various environments. This would inform decision makers on the probability of acoustic detection of different systems of interest given different levels of noise. Data mining and statistical learning techniques are applied to a National Park Service acoustic summary data set to find overall trends over varying environments. Linear regression, conditional inference trees, and random forest techniques are discussed. Findings indicate only sixteen geospatial variables at different resolutions are necessary to characterize the first ten ⅓ octave …

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Descriptive Density Models Of Scyphozoan Jellyfish In The Northern Gulf Of Mexico, Katrina T. Aleksa, Redwood W. Nero, Jerry D. Wiggert, William M. Graham Mar 2018

Descriptive Density Models Of Scyphozoan Jellyfish In The Northern Gulf Of Mexico, Katrina T. Aleksa, Redwood W. Nero, Jerry D. Wiggert, William M. Graham

Faculty Publications

Jellyfish play an important role in the food web of many coastal environments but are generally considered a nuisance to scientific fieldwork and industrial and economic trades. A better understanding of how jellyfish densities and distributions are affected by environmental parameters could elucidate population trends and provide assistance in ecological research and undesirable human interactions. In this study, abundance data for scyphozoan medusae, Chrysaora sp. and Aurelia spp., were extracted from Southeast Area Monitoring and Assessment Program trawling surveys for the northern Gulf of Mexico (nGoM) during the summer and fall months. Both in situ and satellite oceanographic measurements were …

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Killi-Data News (Spring), Tyrone Genade Mar 2018

Killi-Data News (Spring), Tyrone Genade

Killifish Research Review

This is the start of Killi-Data News’ second year. In this first issue of the year we have the usual review of research pub- lications as well as input from Martin Reichard on his lab’s Nothobranchius research. Martin is responding to my reviews of his lab’s work in the previous edition. I am serious about making sure the content in this newsletter is reliable but I erred in the previous edition and Martin has written extensively to correct my mistake in the section “Erratum”. This reply is welcomed and owed to readers. I must confess that I don’t know everything …

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Killi-Data News (Spring), Tyrone Genade Mar 2018

Killi-Data News (Spring), Tyrone Genade

Killifish Research Review

This is the start of Killi-Data News’ second year. In this first issue of the year we have the usual review of research pub- lications as well as input from Martin Reichard on his lab’s Nothobranchius research. Martin is responding to my reviews of his lab’s work in the previous edition. I am serious about making sure the content in this newsletter is reliable but I erred in the previous edition and Martin has written extensively to correct my mistake in the section “Erratum”. This reply is welcomed and owed to readers. I must confess that I don’t know everything …

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The Impact Of Junk Food Marketing Regulations On Food Sales: An Ecological Study, Y Kovic, Jonathan K. Noel, J A. Ungemack, J A. Burleson Mar 2018

The Impact Of Junk Food Marketing Regulations On Food Sales: An Ecological Study, Y Kovic, Jonathan K. Noel, J A. Ungemack, J A. Burleson

Health & Wellness Department Faculty Publications and Research

No abstract provided.

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Recovery Of Zooplankton Communities To Whole-Lake Disturbance, Brian Newton Mcgann Mar 2018

Recovery Of Zooplankton Communities To Whole-Lake Disturbance, Brian Newton Mcgann

Dissertations and Theses

Community assembly following disturbance is a key process in determining the composition and function of the future community. However, replicated studies of community assembly at whole ecosystem scales are rare. Here is described a series of whole-lake experiments in which the recovery of zooplankton communities is tracked following an ecosystem-scale disturbance. Fourteen lakes in eastern Washington were chosen: seven lakes were treated with rotenone, while the remaining seven were reference. Each lake was monitored up to six months before and one to two years after the rotenone treatments. Zooplankton tows were taken monthly, at a shallow, intermediate, and deep site …

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Estimates Of Habitat Use By Rabbits (Sylvilagus Spp.) From Fecal Pellet Counts Varies By Plot Design In Southern California, Sean P. Dunagan, Tim J. Karels Mar 2018

Estimates Of Habitat Use By Rabbits (Sylvilagus Spp.) From Fecal Pellet Counts Varies By Plot Design In Southern California, Sean P. Dunagan, Tim J. Karels

Western North American Naturalist

Studies of rabbits and hares often use fecal pellet counts to estimate population density, create indices of abundance, and monitor habitat use, because fecal pellet counts are more easily deployed and less labor intensive than visual surveys and live trapping. In some habitats, plot size and shape can affect the measured pellet density and the resulting estimates of habitat use by rabbits. We compared rabbit (Sylvilagus spp.) fecal pellet density estimates derived from 0.155-m2 rectangular, 0.155-m2 circular, 1-m2 square, and 1-m2 circular plots in southern California chaparral and coastal sage scrub communities to evaluate habitat …

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Ecomorphological Variation In Three Species Of Cybotoid Anoles, A. F. Kahrl, Brittney M. Ivanov, K. C. Wollenberg Valero, Michele A. Johnson Mar 2018

Ecomorphological Variation In Three Species Of Cybotoid Anoles, A. F. Kahrl, Brittney M. Ivanov, K. C. Wollenberg Valero, Michele A. Johnson

Biology Faculty Research

Caribbean Anolis lizards exhibit a complex suite of ecological, morphological, and behavioral traits that allow their specialization to particular microhabitats. These microhabitat specialists, called ecomorphs, have independently evolved on the four islands of the Greater Antilles, and diversification among anole ecomorphs has been the focus of many studies. Yet, habitat specialization has also occurred among species within the same ecomorph group. Here, we examined ecological, morphological, and behavioral divergence in three Hispaniolan trunk-ground species, the cybotoid anoles: Anolis cybotes, A. marcanoi, and A. longitibialis. We found differences in limb morphology, locomotor behavior, and perch use among the three cybotoid species …

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Integrating Nutrition Into Health Systems At Community Level:Impact Evaluation Of The Community‐Based Maternal Andneonatal Health And Nutrition Projects In Ethiopia, Kenya, And Senegal, Jacqueline K. Kung'u, Richard Pendame, Mame Bineta Ndiaye, Mulusew Gerbaba, Sophie Ochola, Adama Faye, Sulochana Basnet, Edward A. Frongillo Jr., Sara Wuehler, Luz Maria De‐Regil Mar 2018

Integrating Nutrition Into Health Systems At Community Level:Impact Evaluation Of The Community‐Based Maternal Andneonatal Health And Nutrition Projects In Ethiopia, Kenya, And Senegal, Jacqueline K. Kung'u, Richard Pendame, Mame Bineta Ndiaye, Mulusew Gerbaba, Sophie Ochola, Adama Faye, Sulochana Basnet, Edward A. Frongillo Jr., Sara Wuehler, Luz Maria De‐Regil

Faculty Publications

Maternal undernutrition and mortality remain high in several African countries. Key nutrition andhealth interventions improve maternal and birth outcomes. Evidence is scarce on how tostrengthen health systems to ensure pregnant women and newborns are reached with theseinterventions. We conducted three quasi‐experimental nonrandomized Community BasedMaternal and Neonatal Health and Nutrition projects in regions of Ethiopia, Senegal, and Kenyato demonstrate how proven nutrition interventions could be integrated into health programs toimprove knowledge and practices during pregnancy, birth, and postpartum. We evaluated impacton knowledge and practices related to maternal and neonatal care using logistic regression andrepeated‐measures models with districts as a fixed variable …

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Illinois As A World Provider Of Virtual Water And Advocate For Clean Water: How Does Illinois Fit Into The Global Water Crisis/Solution?, Kara Lawrence Mar 2018

Illinois As A World Provider Of Virtual Water And Advocate For Clean Water: How Does Illinois Fit Into The Global Water Crisis/Solution?, Kara Lawrence

The Simon Review (Occasional Papers of the Paul Simon Public Policy Institute)

Although politically Illinois has recently been plagued with an extensive budget crisis and stalemate on how to overcome its large deficits, Illinois as a state is fortunate in its exceptional natural geography which provides both abundant fresh water resources and fertile agricultural soils (Lant, 2005). As such, Illinois plays an important role in the global water crisis as a water supplier through its exports of crops which consume vast quantities of water. The state is a leading exporter of corn, soybeans, and swine, and through these commodities is supplying what many experts call “virtual water” to the world. Virtual water …

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Burned Area Mapping Of An Escaped Fire Into Tropical Dry Forest In Western Madagascar Using Multi-Season Landsat Oli Data, Anne C. Axel Mar 2018

Burned Area Mapping Of An Escaped Fire Into Tropical Dry Forest In Western Madagascar Using Multi-Season Landsat Oli Data, Anne C. Axel

Biological Sciences Faculty Research

A human-induced fire cleared a large area of tropical dry forest near the Ankoatsifaka Research Station at Kirindy Mitea National Park in western Madagascar over several weeks in 2013. Fire is a major factor in the disturbance and loss of global tropical dry forests, yet remotely sensed mapping studies of fire-impacted tropical dry forests lag behind fire research of other forest types. Methods used to map burns in temperature forests may not perform as well in tropical dry forests where it can be difficult to distinguish between multiple-age burn scars and between bare soil and burns. In this study, the …

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Monitoring Of Dung Beetle (Scarabaeidae And Geotrupidae) Activity Along Maryland's Coastal Plain, Patrick Simons, Michael Molina, Mallory A. Hagadorn, Dana L. Price Mar 2018

Monitoring Of Dung Beetle (Scarabaeidae And Geotrupidae) Activity Along Maryland's Coastal Plain, Patrick Simons, Michael Molina, Mallory A. Hagadorn, Dana L. Price

Biology Faculty Publications

Our understanding of how human activities impact insect communities is limited. Dung beetles, well known for the ecosystem services they provide, are faced with many conservation threats, particularly from deforestation and agriculture. Here we used 200-m transects and human-dung—baited pitfall traps to examine dung beetle populations in 7 forests of Maryland's Coastal Plain. We set traps once a month, from May 2014 to April 2015, to determine species presence, abundance, range, and seasonality. We collected 6463 individuals representing 22 species; Janes Island State Park (JISP) had the highest abundance (2705 individuals) and Martinak State Park (MSP) had the highest species …

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Population Dynamics Of Off-Host Rhipicephalus (Boophilus) Microplus (Acari: Ixodidae) Larvae In Response To Habitat And Seasonality In South Texas, Brenda Leal, Donald B. Thomas, Robert K. Dearth Mar 2018

Population Dynamics Of Off-Host Rhipicephalus (Boophilus) Microplus (Acari: Ixodidae) Larvae In Response To Habitat And Seasonality In South Texas, Brenda Leal, Donald B. Thomas, Robert K. Dearth

School of Integrative Biological & Chemical Sciences (Formerly Dept. of Biology)

The cattle tick, Rhipicephalus microplus (Canestrini), is an economically destructive arthropod because of its ability to vector bovine babesiosis. It is known that cattle ticks can spend 80–90% of their lifecycle as questing larvae, yet the effect of climatic factors on their off-host behavior and survival is unclear. The goal of this study was to measure the effects of specific ecological factors on off-host questing larvae in nature. The study was conducted in a south Texas pasture over a two-year period, during which time larval populations were surveyed. Simultaneously, weather variables—precipitation, relative humidity, and ambient temperatures—were recorded. Larval survival rates …

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Evidence-Based Causal Chains For Linking Health, Development, And Conservation Actions, Jiangxiao Qiu, Edward Game, Heather Tallis, Lydia Olander, Louise Glew, James S. Kagan, Multiple Additional Authors Mar 2018

Evidence-Based Causal Chains For Linking Health, Development, And Conservation Actions, Jiangxiao Qiu, Edward Game, Heather Tallis, Lydia Olander, Louise Glew, James S. Kagan, Multiple Additional Authors

Institute for Natural Resources Publications

Sustainability challenges for nature and people are complex and interconnected, such that effective solutions require approaches and a common theory of change that bridge disparate disciplines and sectors. Causal chains offer promising approaches to achieving an integrated understanding of how actions affect ecosystems, the goods and services they provide, and ultimately, human well-being. Although causal chains and their variants are common tools across disciplines, their use remains highly inconsistent, limiting their ability to support and create a shared evidence base for joint actions. In this article, we present the foundational concepts and guidance of causal chains linking disciplines and sectors …

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Learning To See The Forest For The Corn: Establishing Sense Of Place And Community In A Field-Based Ecology Course For Pre-Service Educators, Michelle Edgcomb Friday Feb 2018

Learning To See The Forest For The Corn: Establishing Sense Of Place And Community In A Field-Based Ecology Course For Pre-Service Educators, Michelle Edgcomb Friday

Theses and Dissertations

In this dissertation grounded theory techniques were used to characterize pre-service educators’ experiences in a semester-long, field-based ecology course. Through participation in a citizen science project, participants formed a community of practice that extended their conceptions of themselves as ecology students and scientists. Extended field experiences in a variety of local ecosystems contributed to the development of a sense of place. Paired fieldwork with lecture aided their developing ecological literacy and their understanding of place-based pedagogy. All of these combined to support their growing understanding of their role in field-based ecology education. Lack of background in ecology and ecology pedagogy …

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The Relationship Of Social, Economic And Psychological Factors To Domestic Violence Against Children In The Region Of Al-Jawf Of Saudi Arabiatic, Salim Al-Quisi, Abdelmohsen Sharari Feb 2018

The Relationship Of Social, Economic And Psychological Factors To Domestic Violence Against Children In The Region Of Al-Jawf Of Saudi Arabiatic, Salim Al-Quisi, Abdelmohsen Sharari

Journal of Arts and Social Sciences

No abstract provided.

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Epizooic Diatoms On The Cerci Of Ephemeroptera (Caenidae) Naiads, Daniel E. Wujek Feb 2018

Epizooic Diatoms On The Cerci Of Ephemeroptera (Caenidae) Naiads, Daniel E. Wujek

The Great Lakes Entomologist

Using scanning electron microscopy, epizooic diatoms were observed growing on the cerci of Caenis amica Hagen naiads (Ephemeroptera, Caenidae). Meridion circulare (Greville) C. Agardh was the most abundant, followed by Synedra rumpens Kützing, then Cocconeis pediculus Ehrenberg. Other diatom species observed from substrates in Cedar Creek, Isabella County, Michigan were not observed on the cerci. No diatoms were observed on Ephemerellidae naiads.

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Pentatomoidea (Hemiptera: Pentatomidae, Scutelleridae) Associated With The Dioecious Shrub Florida Rosemary, Ceratiola Ericoides (Ericaceae), A. G. Wheeler Jr. Feb 2018

Pentatomoidea (Hemiptera: Pentatomidae, Scutelleridae) Associated With The Dioecious Shrub Florida Rosemary, Ceratiola Ericoides (Ericaceae), A. G. Wheeler Jr.

The Great Lakes Entomologist

Florida rosemary (Ceratiola ericoides), an ericaceous shrub with needlelike leaves, is characteristic of Florida scrubs and certain other xeric plant communities of well-drained sands. The plant is dioecious, its inconspicuous male and female flowers borne on separate individuals. From 2003 to 2012 (mainly 2007–2012), rosemary was sampled periodically (with all months included at least once during the period) in sand ridges of peninsular Florida and two riverine dunes in southeastern Georgia. Branches of male and female plants were tapped separately into a beating net. Sampling during the final three years was female-plant-biased to facilitate work on fruit- and seed-feeding …

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Activity And Diversity Of Collembola (Insecta) And Mites (Acari) In Litter Of A Degraded Midwestern Oak Woodland, James F. Steffen, Joan Palincsar, Florrie M. Funk, Daniel J. Larkin Feb 2018

Activity And Diversity Of Collembola (Insecta) And Mites (Acari) In Litter Of A Degraded Midwestern Oak Woodland, James F. Steffen, Joan Palincsar, Florrie M. Funk, Daniel J. Larkin

The Great Lakes Entomologist

Litter-inhabiting Collembola and mites were sampled using pitfall traps over a twelve-month period from four sub-communities within a 100-acre (40-ha) oak-woodland complex in northern Cook County, Illinois. Sampled locations included four areas where future ecological restoration was planned (mesic woodland, dry-mesic woodland, mesic upland forest, and buckthorn-dominated savanna) and a mesic woodland control that would not be restored. Fifty-eight mite and 30 Collembola taxa were identified out of 5,308 and 190,402 individuals trapped, respectively. There was a significant positive relationship between litter mass and both mite diversity and the ratio of Oribatida to Prostigmata and a significant negative relationship between …

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A New Species Of Aphis In Minnesota (Hemiptera: Aphididae) On Narrow-Leaved Purple Coneflower, Echinacea Angustifolia, D. M. Lagos, D. J. Voegtlin Feb 2018

A New Species Of Aphis In Minnesota (Hemiptera: Aphididae) On Narrow-Leaved Purple Coneflower, Echinacea Angustifolia, D. M. Lagos, D. J. Voegtlin

The Great Lakes Entomologist

Aphis echinaceae, n. sp. is described from specimens collected in Douglas County, Minnesota, on Echinacea angustifolia (DC.). The aphid is illustrated with biometric data for alate and apterous vivipara. Its short cauda and siphunculi, and presence of secondary sensoria on antennal segments III, IV, and V in both morphs makes this Aphis morphologically similar to A. debilicornis (Gillette and Palmer), A. lugentis Williams and A. caliginosa Hottes and Frison, and root feeding aphids of the subgenus Pseudoprotaphis Kadyrbekov and genus Protaphis Börner. A diagnosis is provided.

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Stepping It Up: Walking Behaviors In Children Transitioning From 5th To 7th Grade, Sharon E. Taverno Ross, Morgan N. Clennin, Marsha Dowda, Natalie Colabianchi, Russell R. Pate Feb 2018

Stepping It Up: Walking Behaviors In Children Transitioning From 5th To 7th Grade, Sharon E. Taverno Ross, Morgan N. Clennin, Marsha Dowda, Natalie Colabianchi, Russell R. Pate

Faculty Publications

The purpose of this study was to (1) describe children’s walking behaviors in 5th to 7th grade and change over time and (2) examine associations between walking behaviors and Walk Score®. Participants consisted of n = 586 students from the Transitions and Activity Changes in Kids (TRACK) Study. Children reported any walking behavior (e.g., exercise and transportation) over the past five days. Walk Score was calculated based on children’s home address. Descriptive statistics summarized walking behaviors by gender and time, and repeated measure mixed models examined the relationship between walking behaviors and Walk Score. Approximately 46.8% and 19.2% of 5th …

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Exploring Places Of Street Drug Dealing In A Downtown Area In Brazil: An Analysis Of The Reliability Of Google Street View In International Criminological Research, Elenice De Souza Oliveira, Ko-Hsin Hsu Feb 2018

Exploring Places Of Street Drug Dealing In A Downtown Area In Brazil: An Analysis Of The Reliability Of Google Street View In International Criminological Research, Elenice De Souza Oliveira, Ko-Hsin Hsu

Department of Justice Studies Faculty Scholarship and Creative Works

This study assesses the reliability of Google Street View (GSV) in auditing environmental features that help create hotbeds of drug dealing in Belo Horizonte, one of Brazil’s largest cities. Based on concepts of “crime generators” and “crime enablers,” a set of 40 items were selected using arrest data related to drug activities for the period between 2007 and 2011. These items served to develop a GSV data collection instrument used to observe features of 135 street segments that were identified as drug dealing hot spots in downtown Belo Horizonte. The study employs an intra-class correlation (ICC) statistics as a measure …

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