Units: 3A survey of the unmanaged and managed tropical terrestrial ecosystem and the biotic (living) and abiotic (non-living) factors that affect tropical ecosystem structure and function. Emphasis will be on the community dynamics and biogeochemical cycling of tropical ecosystems, and how these processes are affected by land-use and land-cover change. BIOL 683 is dual-listed with BIOL 383. These courses will be taught together by the same instructor. May not be taken for credit by students who received credit for:BIOL 383. Enrollment Restrictions:Enrollment restricted to students in the Biological Sciences graduate program.Enrollment Requirement(s):BIOL 212 and BIOL 354.