GEOS 212 1st edition Lecture 23 Outline of last lecture LECTURE 22 OUTLINE Coral Reefs Plankton 16 April 2015 Corals today Corals are both Animal and Plant History of evolution and migration of corals 240 Million Years Old from Tethys Sea Temperature nutrient control wave action and distribution of coral reefs Coral reefs on continental shelves Corals on volcanic islands Important aspects of Coral reefs Barrier Reef video Part 1 0 00 7 19 Description of coral organism and colony Three feeding strategies of sea cucumbers How is sand produced in coral reef environment How and why are nutrients recycled in a coral reef Part 2 7 19 10 02 What is the role of sea grasses and algae Name of rock that makes up reef Plant zooxanthellae versus animal structure of coral Day night difference Part 3 10 02 17 33 When where did corals first appear Where do most coral reefs occur today Why did they have to leave this area How why did they leave this area Plankton Primary producers planktonic plants diatoms coccoliths phytoplankton Primary consumers planktonic animals zooplankton Some are always planktonic holoplankton Some are planktonic only as juveniles meroplankton Outline of Current Lecture LECTURE 23 OUTLINE Fish Fisheries and The Open Ocean 21 April 2015 Fish Life cycle eggs larvae juvenile adult These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Predator and or Prey Habitats Fisheries History Locations Management International Policy Characteristics of open ocean community Mostly low productivity downwelling Life in local areas of upwelling Need mobility to find and catch prey Need mobility to escape predators Video on open ocean community baleen whale feeding Open Ocean 4 40 9 55 0 00 5 08 Feeding strategy of marlin tuna Strategy of sardines to escape predators Sei Whale feeding strategy Pattern of feeding over time Current Lecture
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