whale entanglements and gear modifications december 2014 jason how
TRANSCRIPT
• Big reduction entanglements• Three possible causes:
– Gear Modifications– Change fishing practice– Change whale migration
Season (Gear) Evaluation
• Preliminary• Depth
– 2-20 fathom (9-15 fthm)• From coast
– 5-21 km (10 km)• More Data
– Satellite Tagging– Sightings
Spatial Model
• Go into spatial model• Occasional sightings• Power Users
– Steam in– Log start– Record all whale (#)– CDR port
Whale Sightings WAas of 20 September 2014
Conclusion• Gear modifications used in 2014
– Total entanglements down 32 to 14– WRL entanglements down 18 to 6– Octopus entanglements down 3 to 2
• Investigating whale migration and fishing effort
• Assistance in data collection– Power user (whale sightings WA)– Surveys of gear