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Crayfish Study

Crayfish Study. Crayfish Study. Scenario:

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Crayfish Study

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  1. Crayfish Study

  2. Crayfish Study Scenario: We are Biological Technicians for National Park Service at Lake Roosevelt National Recreation Area. Part of our job is to help with the Crayfish Inventory and Monitoring Program. For this study our duties will be to set and take in the crayfish traps as well as collecting and analyzing the data. Data we need to collect: • GPS location/site of trap • Depth of water • Water quality • Identify crayfish and abundance • Measure crayfish • Take pictures of each species of crayfish

  3. Features of Freshwater Crayfish

  4. Identify the Sex

  5. Northern Crayfish

  6. Signal Crayfish

  7. Signal Crayfish

  8. Field Supplies and Equipment • Field maps • Field data forms • Crayfish Identification keys • Paper, pencil, and sharpie • Digital camera • Plastic bags • Waders • Cooler/Ice • Bucket • Sampling permit

  9. Crayfish Traps

  10. Field Supplies and Equipment Measuring Board Canned Cat GPS & Digital Scale Food

  11. Field Supplies and Equipment Thermometer YSI Meter

  12. YSI Meter • Must calibrate before use • Water Temperature • pH • Dissolved Oxygen • Conductivity

  13. Measuring Crayfish

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