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Articles 1 - 17 of 17
Full-Text Articles in Entire DC Network
Population Dynamics And Future Viability Of The Eastern Massasauga Rattlesnake (Sistrurus Catenatus) In Southwest Michigan, Matthew John Klein
Population Dynamics And Future Viability Of The Eastern Massasauga Rattlesnake (Sistrurus Catenatus) In Southwest Michigan, Matthew John Klein
Graduate Theses, Dissertations, and Problem Reports (ETD)
Managing at-risk species or populations requires understanding the demographic and genetic drivers of long-term population trends. The eastern massasauga rattlesnake (Sistrurus catenatus) is a federally threatened species facing multiple interacting threats across its range. Habitat loss from wetland drainage and agricultural land conversion has caused range contractions and geographic isolation of populations. Because remaining populations are often small and widely separated, most are now genetically isolated, threatening their long-term viability. Reversing these declines requires understanding population dynamics, quantifying extinction risk, identifying drivers of long-term viability, and assessing the effects of inbreeding and the potential for genetic rescue to …
Demographic Characteristics Among Members Of Patient Family Advisory Councils At A Pediatric Health System., Amanda Montalbano, Sheryl Chadwick, Deejo Miller, Kathryn Taff, Evelyn Donis De Miranda, Kimberly Pina, Andrea Bradley-Ewing
Demographic Characteristics Among Members Of Patient Family Advisory Councils At A Pediatric Health System., Amanda Montalbano, Sheryl Chadwick, Deejo Miller, Kathryn Taff, Evelyn Donis De Miranda, Kimberly Pina, Andrea Bradley-Ewing
Manuscripts, Articles, Book Chapters and Other Papers
Patient Family Advisory Councils (PFACs) are groups of patients, families, and clinical health system leaders collaborating to improve the quality, safety, and experience of care. Best practices encourage PFAC membership to reflect the diversity of the communities served. A cross-sectional survey was conducted from September 2019 to January 2020 collecting demographic characteristics of the members of a pediatric health system's 17 PFACs. Of the 93 respondents (71.5%), notable inequities were racial (4.8% adult PFAC members vs. 17.4% patients were Black) and financial (adult PFAC median annual income was >$100,000 compared to the community median $77,589). The governing family advisory board …
Range-Wide Declines Of Northern Spotted Owl Populations In The Pacific Northwest: A Meta-Analysis, Alan B. Franklin, Katie M. Dugger, Damon B. Lesmeister, Raymond J. Davis, J. David Wiens, Gary C. White, James D. Nichols, James E. Hines, Charles B. Yackulic, Carl J. Schwarz, Steven H. Ackers, L. Steven Andrews, Larissa L. Bailey, Robin Bown, Jesse Burgher, Kenneth P. Burnham, Peter C. Carlson, Tara Chestnut, Mary M. Conner, Krista E. Dilione, Eric D. Forsman, Elizabeth M. Glenn, Scott A. Gremel, Keith A. Hamm, Dale R. Herter, J. Mark Higley, Rob B. Horn, Julianna M. Jenkins, William L. Kendall, David W. Lamphear, Christopher Mccafferty, Trent L. Mcdonald, Janice A. Reid, Jeremy T. Rockweit, David C. Simon, Stan G. Sovern, James K. Swingle, Heather Wise
Range-Wide Declines Of Northern Spotted Owl Populations In The Pacific Northwest: A Meta-Analysis, Alan B. Franklin, Katie M. Dugger, Damon B. Lesmeister, Raymond J. Davis, J. David Wiens, Gary C. White, James D. Nichols, James E. Hines, Charles B. Yackulic, Carl J. Schwarz, Steven H. Ackers, L. Steven Andrews, Larissa L. Bailey, Robin Bown, Jesse Burgher, Kenneth P. Burnham, Peter C. Carlson, Tara Chestnut, Mary M. Conner, Krista E. Dilione, Eric D. Forsman, Elizabeth M. Glenn, Scott A. Gremel, Keith A. Hamm, Dale R. Herter, J. Mark Higley, Rob B. Horn, Julianna M. Jenkins, William L. Kendall, David W. Lamphear, Christopher Mccafferty, Trent L. Mcdonald, Janice A. Reid, Jeremy T. Rockweit, David C. Simon, Stan G. Sovern, James K. Swingle, Heather Wise
United States Department of Agriculture Wildlife Services: Staff Publications
The northern spotted owl (Strix occidentalis caurina) inhabits older coniferous forests in the Pacific Northwest and has been at the center of forest management issues in this region. The immediate threats to this federally listed species include habitat loss and competition with barred owls (Strix varia), which invaded from eastern North America. We conducted a prospective meta-analysis to assess population trends and factors affecting those trends in northern spotted owls using 26 years of survey and capture-recapture data from 11 study areas across the owls' geographic range to analyze demographic traits, rates of population change, and occupancy parameters for spotted …
Range-Wide Declines Of Northern Spotted Owl Populations In The Pacific Northwest: A Meta-Analysis, Alan B. Franklin, Katie M. Dugger, Damon B. Lesmeister, Raymond J. Davis, J. David Wiens, Gary C. White, James D. Nichols, James E. Hines, Charles B. Yackulic, Carl J. Schwarz, Steven H. Ackers, L. Steven Andrews, Larissa L. Bailey, Robin Bown, Mary M. Conner, Et Al.
Range-Wide Declines Of Northern Spotted Owl Populations In The Pacific Northwest: A Meta-Analysis, Alan B. Franklin, Katie M. Dugger, Damon B. Lesmeister, Raymond J. Davis, J. David Wiens, Gary C. White, James D. Nichols, James E. Hines, Charles B. Yackulic, Carl J. Schwarz, Steven H. Ackers, L. Steven Andrews, Larissa L. Bailey, Robin Bown, Mary M. Conner, Et Al.
Wildland Resources Faculty Publications
The northern spotted owl (Strix occidentalis caurina) inhabits older coniferous forests in the Pacific Northwest and has been at the center of forest management issues in this region. The immediate threats to this federally listed species include habitat loss and competition with barred owls (Strix varia), which invaded from eastern North America. We conducted a prospective meta-analysis to assess population trends and factors affecting those trends in northern spotted owls using 26 years of survey and capture-recapture data from 11 study areas across the owls' geographic range to analyze demographic traits, rates of population change, and …
Assessment Of Ems Workforce In Nebraska With Future Strategies, Matt Holt
Assessment Of Ems Workforce In Nebraska With Future Strategies, Matt Holt
Capstone Experience: Master of Public Health
Well-trained and fully staffed Emergency Medical Services (EMS) play a key role in improving the health of the surrounding community through rapid response, on scene care, and transportation to an appropriate facility. EMS is an integral part of the community, vital to limiting the severity of injuries, preventing morbidity, and improving the health of their populations. In order to ensure Emergency Medical Services in Nebraska are able to meet the needs of their populations and continue providing high-level care, an assessment of the State’s EMS workforce was conducted. By completing a workforce assessment, we gained a better understanding of the …
Differential Impacts Of Wildfire On The Population Dynamics Of An Old-Forest Species, Jeremy T. Rockweit, Alan B. Franklin, Peter C. Carlson
Differential Impacts Of Wildfire On The Population Dynamics Of An Old-Forest Species, Jeremy T. Rockweit, Alan B. Franklin, Peter C. Carlson
United States Department of Agriculture Wildlife Services: Staff Publications
Ecological disturbances shape and maintain natural communities, but climate change and human land use can alter disturbance regimes and affect population persistence and vital rates in unpredictable ways. Species inhabiting landscapes shaped by wildfire have evolved mechanisms allowing them to persist under this dynamic disturbance type, which creates habitats of varying quality for these species. We utilized data from a 26-yr demographic study of northern spotted owls to analyze the influence of wildfire on apparent survival and recruitment rates. Wildfires occurred across different years and affected different spotted owl territories, which allowed us to implement a retrospective Before-After-Control-Impact (BACI) analysis …
Run, Jane, Run! Gendered Responses To Political Party Recruitment, Jessica Robinson Preece, Olga B. Stoddard, Rachel Fisher
Run, Jane, Run! Gendered Responses To Political Party Recruitment, Jessica Robinson Preece, Olga B. Stoddard, Rachel Fisher
Faculty Publications
Many researchers point to gender inequities in party recruitment practices to explain women’s underrepresentation on the ballot. However, there has been little systematic research about how men and women respond to recruitment, so we do not know whether gender-balanced recruitment would actually lead to genderbalanced outcomes. We conduct two studies to address this question. First, in cooperation with a county Republican Party, we identically recruited 5510 male and 5506 female highly active party members to attend a free candidate training seminar. Republican women were half as likely to respond to the invitation as men. Second, we conducted a survey experiment …
Space Acquisition Strategies Of Zostera Marina, Bradley Thomas Furman
Space Acquisition Strategies Of Zostera Marina, Bradley Thomas Furman
Stony Brook Theses and Dissertations Collection, 2006-2020 (closed to submissions)
Seagrasses are a diverse group of clonal marine macrophytes. Their decline in recent decades has been an alarming component of estuarine urbanization, with large portions of historical coverage lost or degraded. Understanding patterns of dispersal and recruitment within and among the remaining populations is now critical to predicting the form and pace of recovery. Working in a developing eelgrass (Zostera marina) meadow in Shinnecock Bay, we combined field manipulations, genotypic surveys and correlative analyses to understand how vegetative growth and seedling recruitment contribute to space acquisition. First, we explored clonal foraging behavior and its effect on patch growth using subterranean …
Space Acquisition Strategies Of Zostera Marina, Bradley Thomas Furman
Space Acquisition Strategies Of Zostera Marina, Bradley Thomas Furman
Stony Brook Theses and Dissertations Collection, 2006-2020 (closed to submissions)
Seagrasses are a diverse group of clonal marine macrophytes. Their decline in recent decades has been an alarming component of estuarine urbanization, with large portions of historical coverage lost or degraded. Understanding patterns of dispersal and recruitment within and among the remaining populations is now critical to predicting the form and pace of recovery. Working in a developing eelgrass (Zostera marina) meadow in Shinnecock Bay, we combined field manipulations, genotypic surveys and correlative analyses to understand how vegetative growth and seedling recruitment contribute to space acquisition. First, we explored clonal foraging behavior and its effect on patch growth using subterranean …
Space Acquisition Strategies Of Zostera Marina, Bradley Thomas Furman
Space Acquisition Strategies Of Zostera Marina, Bradley Thomas Furman
Stony Brook Theses and Dissertations Collection, 2006-2020 (closed to submissions)
Seagrasses are a diverse group of clonal marine macrophytes. Their decline in recent decades has been an alarming component of estuarine urbanization, with large portions of historical coverage lost or degraded. Understanding patterns of dispersal and recruitment within and among the remaining populations is now critical to predicting the form and pace of recovery. Working in a developing eelgrass (Zostera marina) meadow in Shinnecock Bay, we combined field manipulations, genotypic surveys and correlative analyses to understand how vegetative growth and seedling recruitment contribute to space acquisition. First, we explored clonal foraging behavior and its effect on patch growth using subterranean …
Variation In Vital-Rate Sensitivity Between Populations Of Texas Horned Lizards, Alexander J. Wolf, Eric Hellgren, Eric M. Schauber, Victor Bogosian Iii, Robert T. Kazmaier, Donald C. Ruthven Iii, Raymond W. Moody
Variation In Vital-Rate Sensitivity Between Populations Of Texas Horned Lizards, Alexander J. Wolf, Eric Hellgren, Eric M. Schauber, Victor Bogosian Iii, Robert T. Kazmaier, Donald C. Ruthven Iii, Raymond W. Moody
Publications
Demographic studies of imperiled populations can aid managers in planning conservation actions. However, applicability of findings for a single population across a species’ range is sometimes questionable. We conducted long-term studies (8 and 9 years, respectively) of 2 populations of the lizard Phrynosoma cornutum separated by 1000 km within the historical distribution of the species. The sites were a 15-ha urban wildlife reserve on Tinker Air Force Base (TAFB) in central Oklahoma and a 6000-ha wildland site in southern Texas, the Chaparral Wildlife Management Area (CWMA). We predicted a trade-off between the effect of adult survival and fecundity on population …
Landcover Change And Population Dynamics Of Florida Scrub-Jays And Florida Grasshopper Sparrows, David Breininger
Landcover Change And Population Dynamics Of Florida Scrub-Jays And Florida Grasshopper Sparrows, David Breininger
Electronic Theses and Dissertations
I confronted empirical habitat data (1994-2004) and population data (1988-2005) with ecological theory on habitat dynamics, recruitment, survival, and dispersal to develop predictive relationships between landcover variation and population dynamics. I focus on Florida Scrub-Jays, although one chapter presents a model for the potential influence of habitat restoration on viability of the Florida Grasshopper Sparrow. Both species are unique to Florida landscapes that are dominated by shrubs and grasses and maintained by frequent fires. Both species are declining, even in protected areas, despite their protected status. I mapped habitat for both species using grid polygon cells to quantify population potential …
Grassland Songbird Survival And Recruitment In Agricultural Landscapes: Implications For Source-Sink Demography, Noah G. Perlut, Allan M. Strong, Therese M. Donovan, Neil J. Buckley
Grassland Songbird Survival And Recruitment In Agricultural Landscapes: Implications For Source-Sink Demography, Noah G. Perlut, Allan M. Strong, Therese M. Donovan, Neil J. Buckley
Environmental Studies Faculty Publications
Population growth and decline are particularly sensitive to changes in three key life-history parameters: annual productivity, juvenile survival, and adult survival. However, for many species these parameters remain unknown. For example, although grassland songbirds are imperiled throughout North America, for this guild, only a small number of studies have assessed these parameters. From 2002 to 2006, in the agricultural landscape of the Champlain Valley of Vermont and New York, USA, we studied Savannah Sparrow (Passerculus sandwichensis) and Bobolink (Dolichonyx oryzivorus) demography on four grassland treatments: (1) early-hayed fields cut before 11 June and again in early- …
Post-Fire Demography Of A Dry Eucalypt Forest In The Midlands, Tasmania: A Pilot Study, Christine Urbanowicz
Post-Fire Demography Of A Dry Eucalypt Forest In The Midlands, Tasmania: A Pilot Study, Christine Urbanowicz
Independent Study Project (ISP) Collection
There have been many efforts to regenerate the threatened and declining dry eucalypt forests found within the Midlands of Tasmania. This pilot study was completed as part of a larger research project on eucalypt regeneration. Researchers need to know where recruits are most successful in order to appropriately place regeneration microsites. I have begun characterizing the baseline demography of a recently burnt remnant forest. I had two objectives: 1. to characterize the stand structure where recruits are successful, and 2. to describe where the recruits are within this structure. Data on location, size, and life history stage of trees were …
Monitoring Survival Of Young In Ungulates: A Case Study With Rocky Mountain Elk, Nyeema Charmaine Harris
Monitoring Survival Of Young In Ungulates: A Case Study With Rocky Mountain Elk, Nyeema Charmaine Harris
Graduate Student Theses, Dissertations, & Professional Papers
Harris, Nyeema C., M.S., Spring 2007 Wildlife Biology MONITORING SURVIVAL OF YOUNG IN UNGULATES: A CASE STUDY WITH ROCKY MOUNTAIN ELK Chairperson: Daniel H. Pletscher Survival of young is an important determinant of population growth and persistence in ungulate populations. Therefore, monitoring the survival of young is an essential component in many research and management programs. The primary techniques used to monitor survival of young in ungulate populations are age ratios, obtained from herd composition surveys, and telemetry studies of marked individuals. Concerns about survival of young and the impact of predators on recruitment have recently arisen because of reported …
Recruitment And Retention Of Emergency Medical Technicians: A Qualitative Study, P. Daniel Patterson, Janice C. Probst, Katherine H. Leith, Sara J. Corwin, M. Paige Powell
Recruitment And Retention Of Emergency Medical Technicians: A Qualitative Study, P. Daniel Patterson, Janice C. Probst, Katherine H. Leith, Sara J. Corwin, M. Paige Powell
Faculty Publications
Emergency medical technicians (EMTs) are critical to out-of-hospital care, but maintaining staff can be difficult. The study objective was to identify factors that contribute to recruitment and retention of EMTs and paramedics. Information was drawn from three focus groups of EMT-Basic, EMT-Intermediate, and EMT-Paramedic personnel recruited from participants at an annual conference. Thoughts and feelings of EMTs and paramedics were investigated using eight questions designed to explore entry into emergency medical services, what it is like to be an EMT or paramedic, and the EMT educational process. Data were analyzed at the group level for common themes using NVivo. For …
Population Structure And Spatial Pattern In The Dioecious Shrub Ceratiola Ericoides, David J. Gibson, Eric S. Menges
Population Structure And Spatial Pattern In The Dioecious Shrub Ceratiola Ericoides, David J. Gibson, Eric S. Menges
Publications
The dioecious shrub Ceratiola ericoides (Florida rosemary) dominates xeric, infrequently burned Florida scrub vegetation, often to the near-exclusion of other woody species. We studied the spatial pattern, age, sex and size structure of four populations in Florida, USA: two coastal scrub populations subject to recurrent local disturbances due to sand movement, and two inland scrub populations in sites periodically burned by stand-replacing fires. The age structure of individual genets was estimated from node counts and used to describe the age structure of the populations. The sex ratio of males to females was not significantly different from 1:1, except within a …