Cruise Info. | |
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Ship name (ship code) | Fiskebas (58KJ) |
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Cruise identifier | 2020823 |
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Cruise period | 2020-09-21 — 2020-10-04 |
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Status | Completed |
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Port of departure | Bergen, Norway |
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Port of return | Ålesund, Norway |
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Purpose | Research |
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Objectives | Objectives
- Develop and test optical and acoustic instruments and methods for monitoring fishing behaviour and catch composition during fishing with nets.
- Study how catch handling affects the fish's welfare and thereby survival after release from net and quality. |
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Chief scientist | Maria Tenningen (Institute of Marine Research, Norway), Michael Breen (Institute of Marine Research, Norway) |
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Cruise report | (2.55 MB) |
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Ocean/sea areas | |
General | North Sea Norwegian Sea |
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Measurements | |
Physical oceanography | |
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CTD stations | Quantity: number of hauls = 5 Description: Temperature measured inside purse seine |
Chemical oceanography | |
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Oxygen | Quantity: number of hauls = 5 Description: Dissolved oxygen measured inside purse seine |
Biology and fisheries | |
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Pelagic fish | Quantity: number of samples = 18 Description: Length and weight of individual mackerel (from hook & line) |
Pelagic fish | Quantity: number of hauls = 5 Description: Length, weight and vitality of individual mackerel (from purse seine) |
Pelagic fish | Quantity: number of hauls = 5 Description: Underwater video - behaviour of captured mackerel (in purse seine) |
Pelagic fish | Quantity: number of observations = 12 Description: Underwater stereo-grammetry of length of individual mackerel |
Acoustic reflection on marine organisms. | Quantity: activity duration in days = 5 Description: Sonar & echosounder data from mackerel schools |
Gear research | Quantity: number of hauls = 9 Description: Monitoring purse seine during capture |
Moorings, landers, buoys | |
Physical oceanography | |
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CTD stations | 59° 26' 15" N 0° 9' 13" W — 29Sep20. CMP (Cast06) Temperature - Deployed & recovered |
CTD stations | 59° 26' 15" N 0° 9' 13" W — 27Sep20. CMP (Cast03) Temperature - Deployed & recovered |
CTD stations | 59° 27' 3" N 0° 9' 10" W — 29Sep20. CMP (Cast05) Temperature - Deployed & recovered |
CTD stations | 59° 39' 45" N 0° 43' 7" W — 27Sep20. CMP (Cast03) Temperature - Deployed & recovered |
CTD stations | 59° 27' 3" N 0° 9' 10" W — 27Sep20. CMP (Cast03) Temperature - Deployed & recovered |
CTD stations | 59° 41' 21" N 0° 42' 23" W — 27Sep20. CMP (Cast02) Temperature - Deployed & recovered |
CTD stations | 58° 49' 10" N 0° 6' 31" E — 02Oct20. CMP (Cast09) Temperature - Deployed & recovered |
Chemical oceanography | |
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Oxygen | 59° 26' 15" N 0° 9' 13" W — 27Sep20. CMP (Cast03) Dissolved oxygen - Deployed & recovered |
Oxygen | 59° 26' 15" N 0° 9' 13" W — 29Sep20. CMP (Cast06) Dissolved oxygen - Deployed & recovered |
Oxygen | 59° 39' 45" N 0° 43' 7" W — 27Sep20. CMP (Cast03) Dissolved oxygen - Deployed & recovered |
Oxygen | 59° 27' 3" N 0° 9' 10" W — 29Sep20. CMP (Cast05) Dissolved oxygen - Deployed & recovered |
Oxygen | 59° 27' 3" N 0° 9' 10" W — 27Sep20. CMP (Cast03) Dissolved oxygen - Deployed & recovered |
Oxygen | 58° 49' 10" N 0° 6' 31" E — 02Oct20. CMP (Cast09) Dissolved oxygen - Deployed & recovered |
Oxygen | 59° 41' 21" N 0° 42' 23" W — 27Sep20. CMP (Cast02) Dissolved oxygen - Deployed & recovered |
Biology and fisheries | |
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Pelagic fish | 58° 49' 10" N 0° 6' 31" E — 02Oct20. CMP (Cast09) Catch behaviour - Deployed & recovered |
Pelagic fish | 59° 26' 15" N 0° 9' 13" W — 27Sep20. CMP (Cast03) Catch behaviour - Deployed & recovered |
Pelagic fish | 59° 49' 24" N 0° 6' 42" E — 02Oct20. Stereo-camera (probe). Deployed & recovered |
Pelagic fish | 59° 26' 15" N 0° 9' 13" W — 29Sep20. CMP (Cast06) Catch behaviour - Deployed & recovered |
Pelagic fish | 59° 27' 3" N 0° 9' 10" W — 29Sep20. CMP (Cast05) Catch behaviour - Deployed & recovered |
Pelagic fish | 59° 27' 3" N 0° 9' 10" W — 27Sep20. CMP (Cast03) Catch behaviour - Deployed & recovered |
Pelagic fish | 59° 28' 42" N 0° 9' 33" W — 27Sep20. Stereo-camera (probe). Deployed & recovered |
Pelagic fish | 59° 39' 45" N 0° 43' 7" W — 27Sep20. CMP (Cast03) Catch behaviour - Deployed & recovered |
Pelagic fish | 59° 41' 21" N 0° 42' 23" W — 27Sep20. Catch monitoring probe (CMP) Cast02 – Catch behaviour - Deployed & recovered |
Pelagic fish | 59° 41' 21" N 0° 42' 23" W — 27Sep20. Stereo-camera (ROV). Deployed & recovered |
Pelagic fish | 59° 41' 35" N 0° 41' 58" W — 27Sep20. Stereo-camera (probe). Deployed & recovered |
Pelagic fish | 59° 43' 11" N 0° 42' 44" W — 27Sep20. Stereo-camera (probe). Deployed & recovered |
Pelagic fish | 59° 44' 16" N 0° 40' 32" W — 25Sep20. Stereo-camera (probe & ROV). Deployed & recovered |
Pelagic fish | 59° 28' 5" N 0° 48' 52" W — 25Sep20. Stereo-camera (ROV). Deployed & recovered |
Pelagic fish | 59° 30' 4" N 0° 46' 59" W — 25Sep20. Stereo-camera (ROV). Deployed & recovered |
Pelagic fish | 59° 39' 45" N 0° 43' 7" W — 27Sep20. Stereo-camera (ROV). Deployed & recovered |
Pelagic fish | 59° 23' 21" N 0° 54' 44" W — 23Sep20. Stereo-camera (probe & ROV). Deployed & recovered |