Timber harvesters are high powered industrial grade rigs used to fell, delimb, and cut to size large trees. Hydraulic motors power sprockets that drive chains around a guide bar that get extended through logs during cuts. As technological advances allow for higher speeds a phenomenon called “chain shot” has...
The undisputed cost-effectiveness of the anti-homelessness program “Housing First” is well established in the empirical literature, but fewer studies have considered the impact of the program on individual residents. This mixed-methods study examines the lives of a cohort of residents in a Portland-based Housing First project, seeking to determine whether...
The current study examined relations between temperamental reactivity at 6 months and social competence in first grade, including if emotion regulation at 54 months played a role as mediator and/or moderator between temperamental reactivity and social competence in first grade. Previous studies have shown that children who are high on...
The quality of parenting, in particular mother-child interactions, is important for children’s development. Sensitive and responsive interactions between the mother and child are linked to children’s language, emotion and behavioral regulation, brain development, and activity in the stress response system (NSCDC, 2007; Mintz et al., 2011, Gunnar & Quevedo, 2007)....
This study examines how three measures of child health: overall health status, access to health insurance and dental checkup status, predict the likelihood of a child experiencing higher number of absences in children eligible to attend Head Start, and how that association is influenced by the presence of a depressed...
“Active carbon” is a rapidly cycling soil organic carbon (SOC) fraction that acts as an energy and nutrient source for the microbial community. Dilute permanganate oxidation has been used to measure an “active carbon” fraction with the assumption that permanganate oxidation mimics enzymatic decomposition. Permanganate oxidizable carbon (PoxC) has become...
The immune toxicity of 2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD) has been studied for over 35 years, but only recently has the profound immune suppression associated with TCDD exposure been linked to induction of regulatory T cells (Tregs). The effects of TCDD are mediated through binding the aryl hydrocarbon receptor (AhR), a ligand-activated transcription...
Cognitive self-regulation and the behavioral manifestations of cognitive self-regulation are important aspects of school readiness, yet less is known about the variation in measurement modalities within children. In this dissertation, two studies examined the makeup, antecedents, and consequents of constellations of cognitive self-regulation (CSR) measures around the transition to formal...
Major fishery investment has recently been implemented in West Africa as part of the World Bank's West Africa Regional Fisheries Program. To support this effort the New Partnership for Africa's Development funded development of a Seafood Bio-Economic Assessment Model. The model was initially developed for Ghana, but will accommodate other...