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The Blue Mud Shrimp Mystery

The Blue Mud Shrimp Mystery. Newport ,Oregon . Upogebia pugettensis Blue Mud Shrimp. A native species that lives in the mud flats of estuaries in the Pacific Northwest Can grow up to 15 cm (about 6 in). Burrow Dwellers. Mud shrimp live in Y-shaped burrows they create

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The Blue Mud Shrimp Mystery

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  1. The Blue Mud Shrimp Mystery Newport ,Oregon

  2. Upogebia pugettensis Blue Mud Shrimp A native species that lives in the mud flats of estuaries in the Pacific Northwest Can grow up to 15 cm (about 6 in)

  3. Burrow Dwellers Mud shrimp live in Y-shaped burrows they create The burrows are about 3 feet deep Many other organisms live with the shrimp in the burrow They take advantage of the “home” created by the mud shrimp The other organisms include phytoplankton and clams

  4. Blue Mud Shrimp Burrow (Quarter shown for size reference)

  5. Fish Bait Mud shrimp are commonly used by the locals as fishing bait, but they are not eaten by people Mud shrimp eat detritus and phytoplankton

  6. Invasive Species The isopod Orthione griffenis is an invasive species that arrived in the Pacific Northwest from Asia This isopod is similar to the more familiar pill bug or “rolly-polly”

  7. Isopod Infection The isopod enters the shrimp’s gill chamber and prevents the shrimp from reproducing by sucking its blood and stealing its nutrients The shrimp remains alive, but in a zombie-like state

  8. Ballast Water Stowaways Scientists believe the isopod was introduced to the West Coast by dumping of ballast water of ships A ballast is a compartment in a boat or ship that holds water. Filling the ballast allows for increased stability of a ship. A ship will fill its ballast in one area of the world and dump that same water in a different area of the world. Any organisms within that water are also dumped, introducing a species into a new ecosystem.

  9. Population Effects Isopod Population Blue Mud Shrimp Population

  10. Food Web Example Sun Humans Bears Zooplankton Salmon Phytoplankton Mud Shrimp Larvae Detritus

  11. Critical Thinking QuestionsNotebook Entry Predict the effects of the disappearance of the Blue Mud Shrimp on the ecosystem/food web. Please use at least three complete sentences.  What are some other possible ways invasive species can be introduced to an area? Please be thorough. Explain at least one way that an invasive species affects your daily life. (“It doesn’t” is not a correct answer!)

  12. So Now What? Scientists are studying invasive species around the world to determine their effects on ecosystems How can we learn more about the Blue Mud Shrimp and other species affected by the influx of invasive species?

  13. Play ESP Animation

  14. Environmental Sample Processor ESP is one way that scientists collect bio-data in the field in real time over a sustained period ESP is a way to remotely collect information about which organisms are present in an aquatic environment ESP could be used to determine the number of shrimp and isopod larvae present using DNA signatures

  15. ESP at Work Blue – Shrimp Red – Isopods Green – Plankton Pink - Bacteria ESP Arrays ESP image showing few shrimp larvae present (blue) and many isopod larvae present (red)

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