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Recent Articles in Other Physiology

Recent Mass Mortality Of Strongylocentrotus Purpuratus (Echinodermata: Echinoidea) At Malibu And A Review Of Purple Sea Urchin Kills Elsewhere In California, Gordon Hendler Occidental College

Recent Mass Mortality Of Strongylocentrotus Purpuratus (Echinodermata: Echinoidea) At Malibu And A Review Of Purple Sea Urchin Kills Elsewhere In California, Gordon Hendler

Bulletin of the Southern California Academy of Sciences

Mass mortalities of intertidal purple sea urchins, Strongylocentrotus purpuratus occurred at Malibu Lagoon State Beach, California, in 2010 and 2011. Both events followed the first heavy rain of the season, and coincided with an illegal breaching of the lagoon. Osmotic shock from low-salinity lagoon water, the likely cause of death, may have acted jointly with stress from exposure during especially low tides. Comparable die-offs of purple sea urchins have occurred at other localities after exposure to brackish water or thermal shock. Annually recurring lagoon ruptures at Malibu, combined with predation by western gulls, can have a profound impact on the ...


Diet-Induced Obesity: Dopaminergic And Behavioral Mechanisms As Outcomes And Predictors, Vidya Narayanaswami University of Kentucky

Diet-Induced Obesity: Dopaminergic And Behavioral Mechanisms As Outcomes And Predictors, Vidya Narayanaswami

Theses and Dissertations--Pharmacy

Obesity and drug abuse share common neural circuitries including the mesocoticolimbic and striatal dopamine reward system. In the current study, a rat model of diet-induced obesity (DIO) was used to determine striatal dopamine function, impulsivity and motivation as neurobehavioral outcomes and predictors of obesity. For the outcome study, rats were randomly assigned a high-fat (HF) or a low-fat (LF) diet for 8 wk. Following the 8-wk HF-diet exposure, rats were segregated into obesity-prone and obesity-resistant groups based on maximum and minimum body weight gain, respectively, and neurobehavioral outcomes were evaluated. For the predictor study, neurobehavioral antecedents were evaluated prior to ...


Impacts Of Invasive Plants On Resource Selection And Thermoregulation By The Northern Copperhead (Agkistrodon Contortrix Mokasen), Evin T. Carter Indiana University – Purdue University Fort Wayne

Impacts Of Invasive Plants On Resource Selection And Thermoregulation By The Northern Copperhead (Agkistrodon Contortrix Mokasen), Evin T. Carter

Master's Theses

Conservation management for any wildlife species relies on an understanding of habitat use and spatial patterns with an increasing need to identify the anthropogenic factors affecting populations (Sanderson et al., 2002). In order to understand those anthropogenic factors, it is generally necessary to first gain an understanding of the basic resource use patterns exhibited by the population(s) of interest. The Northern Copperhead (Agkistrodon contortrix mokasen) is a medium sized North American pitviper (Family Crotalidae) occurring throughout most of the eastern United States. Populations are thought to be stable throughout the majority of its range, but it holds protected status ...