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Articles 31 - 34 of 34
Full-Text Articles in Systems Biology
Use Of Passive Integrated Transponders In Hatchling Texas Horned Lizards, Scott E. Henke
Use Of Passive Integrated Transponders In Hatchling Texas Horned Lizards, Scott E. Henke
The Prairie Naturalist
The Texas horned lizard (Phrynosoma cornutum) is a Texas state-threatened species and acquisition of data related to the species' ecology is essential. To accomplish this task individual animals need to be marked. Many marking techniques are available for lizards, however the majority of techniques have been tested on adults only. Studies involving hatchling and juvenile horned lizards are scarce due to problems associated with marking and relocating individuals in these age classes. I demonstrated that injection of passive integrated transponders (PIT's) can safely be used as a marking method in young Texas horned lizards. Thirty-two captive bred hatchling lizards were …
Mortality Of An American Marten From An Off-Highway Vehicle, Joshua B. Smith, Jonathan A. Jenks
Mortality Of An American Marten From An Off-Highway Vehicle, Joshua B. Smith, Jonathan A. Jenks
The Prairie Naturalist
While there are several reviews of the effects of OHVs and recreational activity on wildlife populations (Knight and Gutzwiller 1995, Joslin and Youmans 1999), most studies have focused on physiological (Creel et al. 2002) or behavioral (Van Dyke et al. 1986, Riley et al. 2003) responses to disturbance; none have addressed the potential for direct mortality. In 2005, we documented the death from an OHV of a juvenile, female American marten (F299) that had been radiocollared during a study documenting the distribution and abundance of American marten in the Black Hills, South Dakota (Smith 2007); the Institutional Animal Care and …
Quantifying Cellulase In High-Solids Environments, Alicia Renée Abadie
Quantifying Cellulase In High-Solids Environments, Alicia Renée Abadie
University of Kentucky Master's Theses
In recent years, fungal and bacterial cellulases have gained popularity for the conversion of lignocellulosic material to biofuels and biochemicals. This study investigated properties of fungal (Trichoderma. reesei) and bacterial (Clostridium thermocellum) cellulases. Enzymatic hydrolysis was carried out with T. reesei using nine enzyme concentration and substrate combinations. Initial rates and extents of hydrolysis were determined from the progress curve of each combination. Inhibition occurred at the higher enzyme concentrations and higher solids concentrations. Mechanisms to explain the observed inhibition are discussed. Samples of C. thermocellum purified free cellulase after 98% hydrolysis were assayed to determine …
Sex-Specific Feeding Rates And Provisioning Of Fruit To Nestling Bell's Vireo, Greg H. Farley
Sex-Specific Feeding Rates And Provisioning Of Fruit To Nestling Bell's Vireo, Greg H. Farley
The Prairie Naturalist
Provisioning of fruit to nestlings and possible sex-specific differences in feeding rate have not been reported for Bell's vireo (Vireo bellii; Brown 1993). While studying nesting ecology of Bell's vireo on Konza Prairie Biological Station, Geary and Riley counties, Kansas, I quantified feeding rate by sex and food type delivered to nestlings. Sex was determined by capturing adults with mist-nets and inspecting for a cloacal protuberance, as well as conducting behavioral observations of uniquely-marked individuals. Males sing regularly while moving around territories, as well as during incubation (Nolan 1960). I assigned "female" to the individual in these socially …