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Full-Text Articles in Life Sciences
Parrots And Palms: Analyzing Data To Determine Best Management Strategies And Sustainable Harvest Levels, James P. Gibbs, J. Michelle Cawthorn, Adriana Bravo, Ana L. Porzecanski
Parrots And Palms: Analyzing Data To Determine Best Management Strategies And Sustainable Harvest Levels, James P. Gibbs, J. Michelle Cawthorn, Adriana Bravo, Ana L. Porzecanski
Department of Biology Faculty Publications
This exercise1 presents a scenario and raw data on a realistic conflict between parrot conservation and palm tree harvest. It requires that students analyze data very comparable to what would be gathered in the field, to: 1) construct a life tables for the palm and parrot, 2) extract vital statistics about both the palm and parrot population from the life tables, 3) estimate maximum sustainable yield for both species, and 4) make a decision about the sustainability of harvest intensity. It illustrates the importance of data analysis skills for conservation.
Forelimb Position Affects Facultative Bipedal Locomotion In Lizards, Chase T. Kinsey, Lance D. Mcbrayer
Forelimb Position Affects Facultative Bipedal Locomotion In Lizards, Chase T. Kinsey, Lance D. Mcbrayer
Department of Biology Faculty Publications
Recent work indicates that bipedal posture in lizards is advantageous during obstacle negotiation. However, little is known about how bipedalism occurs beyond a lizard's acceleratory threshold. Furthermore, no study to date has examined the effects of forelimb position on the body center of mass (BCoM) in the context of bipedalism. This study quantified the frequency of bipedalism when sprinting with versus without an obstacle at 0.8 m from the start of a sprint. Forelimb positions were quantified during bipedal running at the start of a sprint and when crossing an obstacle. Two species with contrasting body forms (and thus different …