Purse Seine Daily Activity Log

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Purse SeineDaily Activity Log
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Introduction

• Daily Activity Log
• Data uses
• Fishing effort
• Distribution of marine mammals floating objects

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Sampling priorities

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

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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

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Daily Activity Log

• Continuous through trip
• Activities
• Searching effort
• Fishing effort
• Marine mammal sightings
• Observations made from bridge
• Activities defined by 25 event codes

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Cues - Birds
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Cues - Splashes
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Cues - Breezer
http//oceanaerials.com/Tuna.html
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Cues Floating Object
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Cues Other

• Report by other vessel
• Make note in the margin

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6B Chase
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Visibility - Excellent
E3 gt excellent vis but bright glare forward
E2 gt excellent vis glare to 1 side
Lauri Streaker 2009
Lauri Streaker 2009
http//www.syavalanche.com
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Visibility - Good
G0 Good vis no glare
Lauri Streaker 2009
Lauri Streaker 2009
http//www.syavalanche.com
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Visibility - Fair
F1 Fair vis affected by heavy seas
http//www.syavalanche.com
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Visibility - Poor
P0 gt poor visibility zero glare
Lauri Streaker 2009
Lauri Streaker 2009
http//www.syavalanche.com
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Binocular power

• 2 numbers
• (e.g., 25 x 100 )

Magnification
Lens diameter
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Activity

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

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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 youre on effort and
• You see a marine mammal?
• Deploy a floating object?
• Deploy gear?

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Activity - answers
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References