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Marine Science - Biological Ocean

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Marine Science - Biological Ocean

  1. 1. The Biological Ocean Marine Science Edgar 2009
  2. 3. phytoplankton Who are the Phytoplankton? Coccolithophore Diatoms Dinoflagellates
  3. 4. http://www.microscopy-uk.org.uk/intro/index.html Diatoms
  4. 5. Diatoms
  5. 6. Diatoms
  6. 7. Diatoms
  7. 8. Dinoflagellates
  8. 9. Ceratium Dinos
  9. 10. Coccoliths
  10. 11. Coccolithophores
  11. 12. http://www.soc.soton.ac.uk/SOES/STAFF/tt/eh/index.html
  12. 14. Cyanobacteria
  13. 15. Annual prodyctivity <50 Arctic Ocean 50 – 150 Mid-Ocean Gyres 150 – 300 Sub-arctic Oceans 300 – 500 Continental Shelf Breaks 500 – 600 Continental Upwelling Mean Annual Primary Productivity (gC m -2 year -1 ) Location
  14. 16. River Input Atmospheric Input Organic Particles Microbial Loop SURFACE OCEAN Downwelling Water and Nutrients Upwelling Water and Nutrients DEEP OCEAN Sinking Organic Particles Dissolved and Recycled (Bacteria) Output SEDIMENTS
  15. 17. Zooplankton
  16. 18. Nauplius Ostracod Copepods
  17. 19. Copepods Female
  18. 20. Cyprid Stage Nauplius Stage
  19. 21. Arrow Worm Pteropod Zoea Crab
  20. 22. Slipper Lobster Spiny Lobster
  21. 23. Tunicate
  22. 24. Veliger Larvae Gastropods
  23. 25. Echinoderm larvae
  24. 26. http://www.amonline.net.au/exhibitions/beyond/meroplankton/meroplankton03.htm
  25. 27. Cnidaria <ul><li>Radial Symmetry </li></ul><ul><li>Have Nematocysts </li></ul><ul><li>Mouth and GV cavity </li></ul><ul><li>Blind incomplete gut </li></ul><ul><li>Polymorphic: Polyp and Medusa </li></ul><ul><li>9,000 species </li></ul><ul><li>Tissue grade of organization </li></ul><ul><ul><li>Nerve-net: Motility and Coordination </li></ul></ul><ul><ul><li>No cephelazation </li></ul></ul>
  26. 28. Radial Symmetry
  27. 30. Polymorphism: Aurelia
  28. 32. Cnidocyte: <ul><li>Prey Capture </li></ul><ul><li>Defense </li></ul><ul><li>Anchorage </li></ul>
  29. 33. Class: Hydrozoa <ul><li>Complete Life Cycle: Dimorphic </li></ul><ul><li>Basic invertebrate life cycle </li></ul>
  30. 34. Obelia Life Cycle Medusa Polyp
  31. 35. Class: Scyphozoa True Jellyfish Reduced Polyp Stage
  32. 36. Aurelia Life Cycle <ul><li>Adult jellyfish </li></ul><ul><li>Sexual Reproduction </li></ul><ul><li>Planula Larvae </li></ul><ul><li>Scyphistoma: Benthic Polyp </li></ul><ul><li>Stobilia </li></ul><ul><li>Asexual Budding </li></ul><ul><li>Ephyra </li></ul>
  33. 37. Siphonophore Colonial Cnidaria
  34. 38. Ctenophores
  35. 39. Ctenophores
  36. 40. http://www.earthwindow.com/zoo2.html Ctenophores
  37. 41. The Daily Migration
  38. 42. DSL – Deep Scattering Layer
  39. 44. Lantern Fish <ul><li>65% of deep sea biomass </li></ul>night day
  40. 45. Alvin
  41. 47. Gas Bladders
  42. 48. Bioluminescence
  43. 57. The Swimmers
  44. 58. Nekton <ul><li>Vertebrates </li></ul><ul><li>Mollusks </li></ul><ul><li>Crustaceans </li></ul>
  45. 60. Fig. 18-4 Ancestral colonial protist No true tissues Radial symmetry True tissues Bilateral symmetry Eumetazoans Bilaterians Protostomes Deuterostomes Sponges Cnidarians Echinoderms Chordates Flatworms Molluscs Annelids Arthropods Nematodes
  46. 62. Acceleration Specialist
  47. 63. Maneuvering Specialist
  48. 64. Cruising Specialist
  49. 65. Bottom Fish
  50. 80. Blue Fin Tuna
  51. 85. The King of Sushi
  52. 90. Tag a Giant
  53. 92. Red: Tuna Temperature Black: Water Temperature
  54. 97. Retia mirabile
  55. 103. Diadema antillarium
  56. 105. Epinephelus striatus

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