Coyote (Canis latrans) use of marine resources in coastal California: A new behavior relative to their recent ancestors

Coyotes ( Canis latrans) are known to consume marine foods, but the importance and persistence of marine subsidies to coyotes is unknown. Recent access to a marine subsidy, especially if gained following apex predator loss, may facilitate coyote expansion along coastal routes and amplify the effects of mesopredator release. Our goal was to quantify and contextualize past and present marine resource use by coyotes on the central coast of California via stable isotope analysis. We measured δ13C and δ15N values in coyotes, their competitors, and their food resources at two modern sites, seven archaeological sites spanning in age from ~3000 to 750 BP, and from historical (AD 1893–1992) coyote and grizzly bear hair and bone sourced from coastal counties. We found evidence for marine resource use by modern coastal California coyotes at one site, Año Nuevo, which hosts a mainland northern elephant seal ( Mirounga angustirostris) breeding colony. Seals and sea lions account for ~20% of Año Nuevo coyote diet throughout the year and this marine subsidy likely positively impacts coyote population size. Isotopic data suggest that neither historic nor prehistoric coyotes consumed marine-derived foods, even at sites near ancient mainland seal rookeries. Marine resource use by some contemporary California coyotes is a novel behavior relative to their recent ancestors. We hypothesize that human alteration of the environment through extirpation of the California grizzly bear and the more recent protection of marine mammals likely enabled this behavioral shift

For Many Injured Veterans, A Lifetime of Consequences

One out of every ten veterans alive today was seriously injured at some point while serving in the military, and three-quarters of those injuries occurred in combat. For many of these 2.2 million wounded warriors, the physical and emotional consequences of their wounds have endured long after they left the military, according to a Pew research Center survey of a nationally representative sample of 1,853 veterans conducted from July 18 to Sept. 4, 2011.Veterans who suffered major service-related injuries are more than twice as likely as their more fortunate comrades to say they had difficulties readjusting to civilian life. They are almost three times as likely as other veterans to report they have suffered from post-traumatic stress (PTS). And they are less likely in later life to be in overall good health or to hold full-time jobs

Examining Correctional Leadership Styles That Encourage Cooperative Compliance From Federal Offenders

Since its inception in 1930, the Federal Bureau of Prisons has experienced tremendous growth in its inmate population. Concluding 1930 with 14 federal prisons, the Bureau of Prisons now maintains 122 federal prisons, and is accountable for over 180,000 federal offenders within federal prisons walls and within contracted correctional centers. The federal inmate population has also grown in diversity, and training offered by the Bureau of Prisons to its employees has not transformed in a manner that addresses the rise in offender diversity. Officers are left to independently devise various leadership styles to meet the needs of the organization. Bureau of Prison refresher training directs correctional staff to be consistent in methodologies regarding inmate management, but since correctional officers are developing individualized leadership styles of what works, leadership uniformity and best practices are not formally identified or administered. Literature involving correctional officer leadership varies regarding the sample of perceived leaders and much of the information surrounding successful leadership gravitates toward specific leadership traits. The purpose of this phenomenological study was to examine leadership styles used by federal correctional officers as they try to influence cooperative compliance in their facilities. The identification of the most effective leadership styles used by correctional officers provides opportunities for the development of leadership training for correctional staff, increases the possibility for more effective methods of managing inmate behavior, and may strengthen correctional officer safety. Six work-supervisors, from Western regional federal prisons within the United States, who hold positions that consist of skill-set trainer and correctional officer, were used for this inquiry of effective leadership styles. Eight leadership theories were used to examine the leadership styles of each work-supervisor. These leadership theories included: (a) Situational Leadership, (b) Path Goal Leadership, (c) Leader Member Exchange, (d) Transformational Leadership, (e) Servant Leadership, (f) Team Leadership, (g) Gender Leadership, (h) Social Equality, and (i) Transactional Leadership

Using Simulation-based Inference with Panel Data in Health Economics

Panel datasets provide a rich source of information for health economists, offering the scope to control for individual heterogeneity and to model the dynamics of individual behaviour. However the qualitative or categorical measures of outcome often used in health economics create special problems for estimating econometric models. Allowing a flexible specification of the autocorrelation induced by individual heterogeneity leads to models involving higher order integrals that cannot be handled by conventional numerical methods. The dramatic growth in computing power over recent years has been accompanied by the development of simulation-based estimators that solve this problem. This review uses binary choice models to show what can be done with conventional methods and how the range of models can be expanded by using simulation methods. Practical applications of the methods are illustrated using data on health from the British Household Panel Survey (BHPS).

Shield to Pin Coupling of Lightning-Like Transients on Payload Umbilical Cables on a Launch Pad

In this paper we describe in-situ testing of a long payload umbilical, on a launch site, injected with lightning- like transients and describe resulting pin-to-pin voltages. Injections and voltage measurements near the ground support equipment room, as well as at a location near the payload junction box, are made. The umbilical cables tested include an outer over-braid and the inner conductor coupling is examined for open circuit, short-circuit and various loads representative of spacecraft input impedances. This testing is important because the Kennedy Space Center (KSC) where the lightning occurrence is the highest in the United States, is the primary launch site for Launch Services Program spacecraft customers. Lightning planning is essential but developing a lightning plan is often overlooked or not adequately analyzed leaving the spacecraft vulnerable to time delays or even damage when lightning occurs. At other popular launch sites like Vandenberg Air Force Base (VAFB) where lightning occurs less often, although at the same or greater intensity when it does occur, lightning planning is often completely ignored by the spacecraft. The two major questions to be addressed in the lightning plan are what retesting should be done to establish a goodness level and what is the trigger criteria for this testing? The spacecraft will typically use a standard spacecraft check-out procedure to address the necessary retesting, but determining the trigger criteria is often an issue. For instance, a spacecraft needs to understand what their immunity is to a certain lightning magnitude and location. Determining the amount of current that can be coupled onto a spacecraft umbilical can be calculated by using worst case assumptions or measured with current probes and current measurement devices. Spacecraft can also determine what pin-to-pin voltages they are sensitive to, however pin-to-pin voltage measurements are not typically taken during the strike due to the invasive nature of this measurement. In this paper, we present detailed data on the shield to pin voltage transfer functions to provide insight to the spacecraft developers for lightning retest criteria planning. The results from this unique testing opportunity provide essential details on specific coupling mechanisms affecting spacecraft hardware that interfaces with the ground support equipment. This missing link between cable shield currents and payload susceptibility voltages has been methodically tested and representative data presented

Using Simulation-Based Inference with Panel Data in Health Economics

Panel datasets provide a rich source of information for health economists, offering the scope to control for individual heterogeneity and to model the dynamics of individual behaviour. However the qualitative or categorical measures of outcome often used in health economics create special problems for estimating econometric models. Allowing a flexible specification of individual heterogeneity leads to models involving higher order integrals that cannot be handled by conventional numerical methods. The dramatic growth in computing power over recent years has been accompanied by the development of simulation estimators that solve this problem. This review uses binary choice models to show what can be done with conventional methods and how the range of models can be expanded by using simulation methods. Practical applications of the methods are illustrated using on health from the British Household Panel Survey (BHPS)Econometrics, panel data, simulation methods, determinants of health

Superplastic behaviour of Ti54M and Ti64

Even though TIMETAL-54M (Ti-5Al-4V-0.6Mo-0.4Fe or Ti54M) has been commercially available for over 10 years, further study of its superplastic properties is still required in order to assess its applicability within the aerospace industry as a potential replacement for other commercial titanium alloys such as Ti-6Al-4V (Ti64). Ti54M is expected to obtain superplastic characteristics at a lower temperature than Ti64 due to its lower beta-transus temperature. The superplastic forming (SPF) capability of alloys that can be formed at lower temperatures has always attracted the interest of industry as it reduces the grain growth and alpha-case formation, leading to longer life for costly high temperature resistant forming tools. In this work, the SPF characteristics of both Ti54M and Ti64 have been examined by conducting tensile tests according to the ASTM E2448 standard within a range of temperatures and strain values at a fixed strain rate of 1x104/s. A high strain rate sensitivity and uniform deformation at high strains are key indicators in selecting the optimum superplastic temperature. This was observed at 815˚C and 925˚C for Ti54M and Ti64 respectively. The tensile samples were water quenched to freeze their respective microstructure evolution following superplastic deformation and SEM images were captured for grain size and volume fraction of alpha-phase analyses. A slightly higher alpha-grain growth rate was observed during superplastic deformation of Ti64. The initial fine-grain microstructure of Ti54M (~1.6 micron) resulted in a final microstructure with an average grain size of ~3.4 micron and optimum the alpha/beta ratio. Both the fine-grained microstructure and increased amount of beta-volume fraction promotes the superplastic behaviour of Ti54M by grain boundary sliding (GBS). Thus superplastic properties were observed for Ti54M at a lower temperature (~100˚C) than for Ti64

Cumulative Impact of Environmental Pollution and Population Vulnerability on Pediatric Asthma Hospitalizations: A Multilevel Analysis of CalEnviroScreen.

The CalEnviroScreen created by the Office of Environmental Health Hazard Assessment, Sacramento, USA, is a place-based dataset developed to measure environmental and social indicators that are theorized to have cumulative health impacts on populations. The objective of this study was to examine the extent to which the composite scores of the CalEnviroScreen tool are associated with pediatric asthma hospitalization. This was a retrospective analysis of California hospital discharge data from 2010 to 2012. Children who were hospitalized for asthma-related conditions, were aged 0-14 years, and resided in California were included in analysis. Rates of hospitalization for asthma-related conditions among children residing in California were calculated. Poisson multilevel modeling was used to account for individual- and neighborhood-level risk factors. Every unit increase in the CalEnviroScreen Score was associated with an increase of 1.6% above the mean rate of pediatric asthma hospitalizations (rate ratio (RR) = 1.016, 95% confidence interval (CI) = 1.014-1.018). Every unit increase in racial/ethnic segregation and diesel particulate matter was associated with an increase of 1.1% and 0.2% above the mean rate of pediatric asthma, respectively (RR = 1.011, 95% CI = 1.010-1.013; RR = 1.002, 95% CI = 1.001-1.004). The CalEnviroScreen is a unique tool that combines socioecological factors and environmental indicators to identify vulnerable communities with major health disparities, including pediatric asthma hospital use. Future research should identify mediating factors that contribute to community-level health disparities

“Building the Roots”: A Delphi Study Examining the Aims of a Multicultural Competency Graduate Course in Sport and Exercise Psychology

Historically, opportunities to develop cultural competency in sport and exercise psychology graduate programs have been limited (Lee, 2015). Recently, major sport psychology organizations across the world have started to require cultural competency in their credentialing requirements. While this represents progress, these requirements can be met with a single course, which falls below the ideal of integrated cultural competency education (Martens et al., 2000). The present study investigated how to maximize the quality of a single course by coming to agreement on a proposed set of impactful and feasible learning outcomes and assessments in that proposed single course related to cultural competency. Eleven sport and exercise psychology professionals with significant expertise in teaching and/or researching cultural competency development completed a three-round Delphi study which resulted in 71 learning outcomes and 33 learning assessments. Of those, the panel fully agreed on the impact and feasibility of 11 learning outcomes and 3 assessments. Further, these professionals provided critical feedback on how to continue to enhance cultural competency in sport and exercise psychology graduate education