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Purse Seine Daily Activity Log

Purse Seine Daily Activity Log. Introduction. Daily Activity Log Data uses Fishing effort Distribution of marine mammals & floating objects. Sampling priorities. Record vessel activity continuously each day on board; Estimate total catch for each gear deployment;

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Purse Seine Daily Activity Log

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  1. Purse SeineDaily Activity Log

  2. Introduction • Daily Activity Log • Data uses • Fishing effort • Distribution of marine mammals & floating objects

  3. Sampling priorities • Record vessel activity continuously each day on board; • Estimate total catch for each gear deployment; • Collect random samples for catch composition of each set and document species retained and discarded; • Describe all floating objects sighted, especially those involved in a fishing set; • Subsample catch for lengths; • Record all sightings and interactions with marine mammals and sea turtles; • Record fishing gear characteristics.

  4. Objectives • Describe 3 general activities that need to be accounted for on purse seine vessels • List 3 cases when a new event must be recorded • Demonstrate ability to complete the Daily Activity Log

  5. Daily Activity Log • Continuous through trip • Activities: • Searching effort • Fishing effort • Marine mammal sightings • Observations made from bridge • Activities – defined by 25 event codes

  6. >1 knot 4 hrs 2 hrs

  7. http://forums.marlinmag.com/ Cues - Birds

  8. http://whalesightings.blogspot.com http://www.sanford.co.nz/ourfleet/tunavessels/ Cues - Splashes

  9. Cues - Breezer http://oceanaerials.com/Tuna.html

  10. Cues – Floating Object

  11. Cues – Other • Report by other vessel • Make note in the margin

  12. 6B Chase

  13. Visibility - Excellent E3 > excellent vis but bright glare forward E2 > excellent vis & glare to 1 side Lauri Streaker 2009 Lauri Streaker 2009 Lauri Streaker 2009 http://www.syavalanche.com

  14. Visibility - Good G0 – Good vis & no glare http://jacobtanenbaum.com/ ~tas2blog/index.html Lauri Streaker 2009 Lauri Streaker 2009 http://www.syavalanche.com

  15. Visibility - Fair F1 – Fair vis affected by heavy seas Lauri Streaker 2009 http://www.syavalanche.com

  16. Visibility - Poor P0 > poor visibility & zero glare http://www.travelpod.com/travel-blog-entries/brinvincible/3/1239367980/tpod.html Lauri Streaker 2009 Lauri Streaker 2009 http://www.syavalanche.com

  17. Binocular power • 2 numbers (e.g., 25 x 100 ) Magnification Lens diameter

  18. Activity • Questions • Handout for activity • Groups of 2 • 15 minutes • Okay to use manual

  19. Summary • Describe 3 activities that need to be accounted for on purse seine vessels • When does a new event need to be recorded? • What forms are needed if you’re on effort and… • You see a marine mammal? • Deploy a floating object? • Deploy gear?

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