1Lecture 36: April 4Ecology & Evolution of Coral Reefs• Guam coral reef video • Biology of reef-building corals - habitat for > million species- global distribution & history- environmental requirements- mutualism between corals & zooxanthellae• Threats to reef ecosystems- natural: hurricanes, cyclones, diseases- anthropogenic: climate change, eutrophication & sedimentation, destructive fishing practices • Potential Solutions: management Discussion Activity next weekNo readings – Exam Review; bring your QsCheck Qwizdom Points on SAMS https://cats.lsa.umich.edu/Chapters 50:1139; 31:719-721;28:629; Hinrichsen 1997 articleBiology in the NewsGuam Coral Reef Video~ 20 minutes; URL will be on CTools so you can review it later.This is a public education project aimed at informing residents of Guam about the biology of coral reefs. Please note that they use the term “plant”rather loosely – that is to refer to algae and zooxanthellae as “plants”– this is not biologically accurate. Coral Reefs: are most productive and biologically diverse ecosystems in the ocean. NPP levels~ 2 to 2.5 KgC /m2/year rival primary productivity rates in tropical forests
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