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Full-Text Articles in Life Sciences
Social Play Predicts Docility In Juvenile Ground Squirrels, James Hurst-Hopf, Scott L. Nunes
Social Play Predicts Docility In Juvenile Ground Squirrels, James Hurst-Hopf, Scott L. Nunes
Undergraduate Honors Theses
We evaluated the hypothesis that social play behavior influences the development of temperament in young animals, using docility as a measure of temperament. We observed the play behavior of juvenile Belding’s ground squirrels (Urocitellus beldingi) during the developmental period in which play primarily occurs, and conducted behavioral tests measuring docility at the beginning and end of the play interval. Tests involved handling squirrels and recording their responses. Body mass was a reliable predictor of docility at the beginning of the play period. Rates of social play and maximum distances traveled from the natal burrow during the play interval …
Planktonic Diatom Species Succession In San Francisco Bay (September 2015 - December 2017), Theresa Keith
Planktonic Diatom Species Succession In San Francisco Bay (September 2015 - December 2017), Theresa Keith
Undergraduate Honors Theses
Since Hutchinson first described the “Paradox of the Plankton” in 1961, research has been done to determine how and why the coexistence of so many different species of phytoplankton is possible. A critical part of this question is species succession, or how the assemblage of phytoplankton in a region changes over time. This study examines the succession of planktonic diatoms in San Francisco Bay, CA (USA) from September 2015 through December 2017 using phytoplankton samples and environmental data. Periodic sampling was conducted at a site in the Golden Gate Strait and taxa were identified using light microscopy and scanning electron …