APES1002

the 2 basic designs of the closed system ( specialized one cycle and specialized two-cycle, systems), advantages of the closed system and talks about valves

Simple systems; organisms with no circulatory systems, organisms with unspecialized systems, organisms with specialized open systems

The bushmeat crisis – ecological, social and economic implications. economics, health and disease, special aspects

IUCN categories, IUCN and South African red list, the wildlife trade, CITES, species extinction

Biodiversity and species: importance, loss, extinction and regulation. talks about the 4 types of biodiversity, threats to genetic diversity, species and ecosystems (exotic vs indigenous, indicator species, keystone species etc), the economic value of biodiversity

Topics include: The Millennium Ecosystem Assessment (MA), the definition of ecosystem services (and the 4 types of services), examples of ecosystems, in-depth discussion about lakes, impacts on an ecosystem, water as a substance, light in lakes, water and energy, the relationship between water density and temperature, implications of density changes, physical implications of density effects, stratification of lakes, nutrient cycling in lakes, gaseous exchange and oxygen gas in lakes and eutrophi...