An ancient pheromonal signal is found in aquatic courting salamandrids and terrestrial courting plethodontids, two highly divergent salamander families. In the aquatic courting salamandrids Cynops pyrrhogaster and C. ensicauda, the decapeptide sodefrin is cleaved from a larger 189 amino acid Sodefrin Precursor Factor (SPF) protein and released from a gland...
Adolescent pregnancy is a major social problem which results in negative psychological, medical, developmental,
economic and educational consequences for both mother and child. A review of the literature examined psychological and sociocultural factors and negative consequences associated with adolescent pregnancy. There has been little research on age specific differences between...
4-Pyridoxic acid is the major metabolite of all forms of
vitamin B₆ in mammalian species. The determination of 4-pyridoxic
acid, therefore, is important in the investigation of vitamin B₆
metabolism and for the establishment of human requirements for the
vitamin.
Although 4-pyridoxic acid is itself fluorescent, Huff and
Perlzweig (1944)...
This study was designed (1) to identify and describe young
homemakers' problems through expressed difficulties in homemaking
activities, (2) to investigate the relationship between the expressed
problem areas and the homemakers' length of marriage,
family composition, employment status and family income, and
(3) to determine additional homemaking information young homemakers...
Purpose of the Study
Redacted for Privacy
J. Richard Connelly
This study was to look at: (1) the orientation subjects' had
toward the resolution of conflict situations, and (2) associations between
personality traits, selected demographic characteristics and
subjects' orientation to conflict resolution.
Procedures
Eighty-seven subjects, 23 male and 64 female...
7th Biennial Conference on University Education in Natural Resources. In 2005 faculty in the Northern Arizona University School of Forestry initiated a project to replace the required sophomore-level writing course taught by the English Department with a new course, “Writing in Forestry,” taught within the School. The goal of the...
This ethnographic study examined some of the ways that global markets and the infrastructure of agribusiness affect local smallholder farmers in the Ten Rivers region who are transitioning toward more sustainable and traditional agricultural methods. The purpose of this research was to discover what barriers smallholder farmers face in developing...
Abstract: During recent human history, human activities such as overhunting and habitat destruction have severely impacted many large top predator populations around the world. Studies from a variety of ecosystems show that loss or diminishment of top predator populations can have serious consequences for population and community dynamics and ecosystem...