PPT-Corals

amp Coral Reefs The Forests of the Sea Fringe 16 th of the worlds coastlines Largest reef is the Great Barrier Reef in Australia 2000km or 1200mi Member of the Cnidaria phylum. What is a Coral?. Corals are marine invertebrates (Animals). They can take many shapes!. They Usually live in Colonies of tiny Polyps. Genetically Identical. OF the same phylum as Jelly Fish and Sea. Perhentian Island, Malaysia. About the Island. Perhentian Islands are another 2 gems in east coast of Malaysia. Perhentians are a cluster of islands off Terengganu but because it is located at far northern of Terengganu and is bordering with the . Evaluating the Impact of Local and Global Stresses on Caribbean Coral Reefs. My H. ₂O intolerance doesn’t flair up as much in the Caribbean!. Background Information. Great things come in small packages!. Rebecca Cebulka. What are Corals?. Marine invertebrates that live in colonies. Similar to anemones. Some can catch small fish and plankton. Typically live in deep ocean. Most obtain nutrients from symbiotic algae which live in the coral’s tissues. Cnidaria. Chapter 13. Characteristics of Phylum . Cnidaria. Cnidocytes. present that house stinging organelles called nematocysts. Entirely aquatic (mostly marine). Radial symmetry or . biradial. symmetry. ANTHOZOA Antipatharia spp. Black corals II -Red/pink corals can be tested to see if they are genuine by dropping them into diluted vinegar. Because vinegar is acid, but this coral carbonate (alkalin Coral Evolution. Naming Corals. Hermatypic .  build reefs and possess zooxanthellae (= zooxanthellate). Ahermatypic .  don’t build reefs or possess zooxanthellae (= azooxanthellate). BUT. - not all zooxanthellate corals build reefs. Environmental Factors Affecting Corals. Water Motion. Depth: photic vs aphotic zone & water motion. Sedimentation. Salinity: . 32-35. o. /. oo. Temperature: . 18-32 . o. C. Tidal fluctuations. Nutrients: . Modeling Coral Growth through Diffusion Limited Aggregation in Acidified Ocean. Method and Background. Create a 2d array of values to simulate coral growth in the Great Barrier Reef. One live coral attaches to dead coral – sticking probability of dead/alive. CNIDARIA. (jellyfish, anemones, corals). Porifera. Cnidaria. Ctenophora. Platyhelminthes. Rotifera. Nematoda. Nemertea. Mollusca. Annellida. Arthropoda. Bryozoa. Phoronida. Brachiopoda. Echinodermata. Reef Development. Coralline algae – precipitate calcium carbonate. Sponges – secrete silica. Dominant species = Framework Builders because they provide the matrix for the growing reef. Reef Development. The Importance of Coral . R. eefs. Coral reefs are like the rainforests of the sea. Biologically diverse. Support 33% of marine fish species. Provides medicines, chemicals, and other resources .. The Importance of Coral Reefs. Coenopsammia willeyi, which they the water with small damicornis, Stylophora pistillata and species (Shlesinger, personal communication) relatively small species. Thus, corals recorded by Atoda extrud Based on....... Outline. Importance of coral reefs. D. ifferent types of reefs . Requirements for good coral growth. Recent stresses on coral reefs. Projected effects of climate change . Key management measures.