STS

Tropical Disease, Environmental Change and Human Health

The biology, ecology, and evolution of tropical diseases and how emerging diseases are expanding their range and virulence. Environmental changes in the tropics such as climate change and land conversion impacting ecosystem and human health including: diseases, cultural medicinal practices, and changes in ecosystem functions. Based at the three OTS biological field stations in Costa Rica and surrounding landscapes. Intact and altered ecosystems impacts on human health, including assessments of insect and water-borne disease vectors.

Biodiversity of Alaska

Ecology/biodiversity and conservation in Alaska: identification and natural history of native plants and animals including both terrestrial and marine species, biogeographic history and patterns, native American cultures, conservation issues surrounding Alaskan natural resources. Regional, national, and geopolitical issues surrounding development and conservation in Alaska and elsewhere in the arctic.

Biogeochemistry

Processes controlling the circulation of carbon and biochemical elements in natural ecosystems and at the global level, with emphasis on soil and surficial processes. Topics include human impact on and social consequences of greenhouse gases, ozone, and heavy metals in the environment. Prerequisite: Chemistry 101DL or equivalent; Recommended: Chemistry 210DL. One course. 3 graduate units.

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