Dietary ingredients can influence the mucosal surface morphology and mucosal immunity of the gastrointestinal tract. Additional health concerns and behavioral changes have been attributed to the consumption of foods containing preservatives and additives. Sodium benzoate (SB) is a commonly used bacteriostatic in food and beverages. This study investigates the effects of SB on the gut bacteria and mucosal health in the gastrointestinal tract of laboratory mice. The extent of lymphocytic infiltration in intestinal villi and granular density of Paneth cells in the ileum were used as evaluators of mucosal immunity. Adult C57BL/6 mice were randomly assigned to two …

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Protected Areas In Tanzania: The Coevolution Of Conservation, Communities, And Conflict, Rachael Vannatta Jan 2019

Protected Areas In Tanzania: The Coevolution Of Conservation, Communities, And Conflict, Rachael Vannatta

Senior Honors Projects, 2010-2019

The consequences of human activities through territorial occupation, resource extraction, and waste deposition, all characteristics of the Anthropocene, have severely impacted biodiversity. In some countries, passing and enforcing environmental legislation to protect the environment has proven to be a major challenge. Various types of terrestrial protected areas have been established to safeguard, manage, and utilize the biodiversity of non-human species and anthropocentrically-defined natural resources, cover approximately 14.7% of the earth’s surface, according to the World Bank (n.d) and IUCN (2008). With 38% of its land dedicated to protected areas, Tanzania exceeds the global average, but not without controversy. Critics of …

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