Phytoplankton - PowerPoint PPT Presentation

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Phytoplankton

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  1. Phytoplankton

  2. Mixed Plankton

  3. Mixed Plankton

  4. Mixed Plankton

  5. Mixed plankton


  6. Cyanobacteria • Plant-like Bacteria • Have Chloroplasts • Blooms occur in both fresh and salt water • Some blooms give off mild toxins that fish dislike

  7. Anabaena

  8. Lyngbya

  9. Diatoms (Bacillariophyta) • Yellow or brown in color • Walls of silica • Form oil in shell • Reproduce rapidly • Make diatomaceous earth

  10. Dinoflagellates (Dinoflagellata) • Foundation for most aquatic ecosystems • Plates made of cellulose • Two flagella • “Dino” = whirling – which some do when both flagella are extended. • Some are bioluminescent • Some are symbionts - zooxanthellae

  11. Recently, the Florida red tide Gymnodinium breve, or G. breve was reclassified in the taxonomy of dinoflagellates.  Its new name is Karenia brevis, or K. brevis.  Karenia was chosen in honor of Dr. Karen Steidinger, a prominent red tide scientist from the Florida Marine Research Institute in St. Petersburg, FL. 

  12. Karenia brevis