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Articles 1 - 5 of 5
Full-Text Articles in Life Sciences
Relationships Between Behavior, Energy Metabolites, And Corticosterone In Black-Legged Kittiwake (Rissa Tridactyla) Nestlings, Sierra Pete
Master’s Theses
Birds can cope with energy-shifting challenges by redirecting energy and behavior to maintain energetic homeostasis. Nestlings allocate energy to support their rapid growth and developmental period; thus, their challenges and the subsequent energetic demands can be much different than an adult. At a baseline level, energy is constantly shifting in response to regularly occurring challenges; however, more substantial challenges can initiate the production of glucocorticoid hormones. In birds, the main glucocorticoid is corticosterone. Corticosterone is believed to aid in energy homeostasis by redirecting energy metabolite mobilization. Energy metabolites are intermediaries or end products of cellular metabolism, thus, metabolites like glucose …
Developmental Influences On The Initial Subjective Rewarding Effects Of Etoh, Madison Waldron
Developmental Influences On The Initial Subjective Rewarding Effects Of Etoh, Madison Waldron
Master’s Theses
The present studies were aimed to better understand developmental contributions to the risk for disordered drinking, and facilitate the long-term goal of developing effective interventions for individuals at high risk for alcohol use disorders. Experiment 1 assessed the effect of adolescent pre-exposure to ethanol on adult place preference, as well as, sex- and beta-endorphin(bE)-related contributions. Adolescent C57BL/6J and bE deficient mice were injected with 1.5g/kg of ethanol or saline and put back into their home cages. At the time of adulthood, we employed a single-exposure conditioned place preference paradigm (SE-CPP) to investigate the impact of preexposure on the initial subjective …
Genome-Wide Changes In Genetic Diversity In A Population Of Myotis Lucifugus Affected By White-Nose Syndrome, Thomas M. Lilley, Ian W. Wilson, Kenneth A. Field, Deeann Reeder, Megan E. Vodzak, Gregory G. Turner, Allen Kurta, Anna S. Blomberg, Samantha Hoff, Carl J. Herzog, Brent J. Sewall, Steve Paterson
Genome-Wide Changes In Genetic Diversity In A Population Of Myotis Lucifugus Affected By White-Nose Syndrome, Thomas M. Lilley, Ian W. Wilson, Kenneth A. Field, Deeann Reeder, Megan E. Vodzak, Gregory G. Turner, Allen Kurta, Anna S. Blomberg, Samantha Hoff, Carl J. Herzog, Brent J. Sewall, Steve Paterson
Faculty Journal Articles
Novel pathogens can cause massive declines in populations, and even extirpation of hosts. But disease can also act as a selective pressure on survivors, driving the evolution of resistance or tolerance. Bat white-nose syndrome (WNS) is a rapidly spreading wildlife disease in North America. The fungus causing the disease invades skin tissues of hibernating bats, resulting in disruption of hibernation behavior, premature energy depletion, and subsequent death. We used whole-genome sequencing to investigate changes in allele frequencies within a population of Myotis lucifugus in eastern North America to search for genetic resistance to WNS. Our results show low FST values …
Role Of Nest Site Microclimate And Food Availability In Chick Development And Reproductive Success In Black-Legged Kittiwakes (Rissa Tridactyla), Lindsay Mae Lacey
Role Of Nest Site Microclimate And Food Availability In Chick Development And Reproductive Success In Black-Legged Kittiwakes (Rissa Tridactyla), Lindsay Mae Lacey
Honors Theses
Seabirds are marine top predators, and as such are often studied as bioindicators of climate shifts (Oswald and Arnold 2012). Though many studies have analyzed the effect of macroclimatic variation on marine prey species availability and thus seabirds, few have analyzed effects of microclimate - fine spatial patterns of climate (Mantua and Hare 2002; Hatch 2013; Kim and Monaghan 2005a). I tested the hypothesis that localized temperature and humidity at nest sites interact with food availability to alter black-legged kittiwake (Rissa tridactyla) nest site quality, chick body condition during growth and development, and reproductive parameters including Julian lay …
Evidence Of Rock Kangaroo Seed Dispersal Via Faecal Seed Storage In A Tropical Monsoon Community, Chris Martine, Ally Boni, Elizabeth Capaldi, Gemma Lionheart, Ingrid E. Jordon-Thaden
Evidence Of Rock Kangaroo Seed Dispersal Via Faecal Seed Storage In A Tropical Monsoon Community, Chris Martine, Ally Boni, Elizabeth Capaldi, Gemma Lionheart, Ingrid E. Jordon-Thaden
Faculty Journal Articles
While some of the plant species of the ‘Sandstone Country’ along the escarpment of western Arnhem Land produce fleshy fruits and appear to rely on biotic methods of seed dispersal, little is known about the methods by which this is achieved – and few potential dispersers co-occur in the sandstone outcrop communities. For the present study, scat collections were made on outcrops in the northeastern area of Kakadu National Park with the hope of uncovering relationships between local frugivores and fruit-producers, and providing evidence for seasonal storage of mammal-dispersed seeds in scat prior to germination. The goals of the present …