Kristine Bonnevie 2021601
Cruise summary report
| Cruise Info. | |
| Ship name (ship code) | Kristine Bonnevie (58UO) |
| Cruise identifier | 2021601 |
| Cruise period | 2021-01-07 — 2021-01-31 |
| Status | Completed |
| Port of departure | Bergen, Norway |
| Port of return | Bergen, Norway |
| Purpose | Research |
| Objectives | Annual shrimp survey conducted by the IMR.
Objectives 1. Fixed trawl stations (bottom trawl) for northern shrimp (Pandalus borealis) and fish. Data on shrimp biomass, abundance, and recruitment: total weight, length, sex, maturity 2. CTD (temperature, salinity) on all trawl stations 3. Length and total weight of all fish species 4. Roundnose grenadier: individual weight, length, sex, maturity, age 5. Sharks & rays, except spiny dogfish: individual length, weight, sex 6. Spiny dogfish & rabbit fish: individual length, weight, age, maturity, genetic sampling 7. Norway lobster (Nephrops): individual weight, length, sex, maturity 8. Atlantic halibut: individual length, weight, sex, maturity, age 9. Anglerfish: individual length, weight, sex, maturity, age 10. Blue ling: individual length, weight, sex, maturity, age, genetic sampling, gonad samples of females 11. Sea cucumber (Parastichopus): individual length, weight 12. Stomach samples of saithe, haddock, velvet belly, roundnose grenadier, greater argentine |
| Chief scientist | Guldberg Soevik (Institute of Marine Research, Norway) |
| Cruise report |  (3.29 MB) |
| Ocean/sea areas | |
| General | Skagerrak North Sea |
| Specific | All of Skagerrak. Northeastern North Sea (The Norwegian Deep), along the Norwegian coast from 57º30' N to 60º N. Northwestern North Sea (Fladen ground, British EEZ), ca. 58ºN to 58º55'N, 00º06'E to 01º25'E |
| Track charts | (1.64 MB) |
| Measurements | |
| Physical oceanography | |
| CTD stations | Quantity: number of stations = 121 Description: CTD: temperature and salinity |
| Biology and fisheries | |
| Zoobenthos | Quantity: number of stations = 113 Description: Fixed bottom trawl stations using the Campelen 1800 bottom trawl. 30 min trawl hauls for swept area indices of shrimp biomass/numbers and shrimp year class strength, and all fish species (total weight, length). Northern shrimp/Norway lobster: length, weight, sex, maturity. Sea cucumbers: length, weight. Sharks and rays: length, weight, sex. Roundnose grenadier/Atlantic halibut/anglerfish: length, weight, sex, maturity, age. Blue ling: length, weight, age, genetic/gonad sampling. Spiny dogfish/rabbit fish: length, weight, age, tissue sampling. |
| Pelagic fish | Quantity: number of stations = 113 Description: Fixed bottom trawl stations using the Campelen 1800 bottom trawl. 30 min trawl hauls for swept area indices of shrimp biomass/numbers and shrimp year class strength, and all fish species (total weight, length). Northern shrimp/Norway lobster: length, weight, sex, maturity. Sea cucumbers: length, weight. Sharks and rays: length, weight, sex. Roundnose grenadier/Atlantic halibut/anglerfish: length, weight, sex, maturity, age. Blue ling: length, weight, age, genetic/gonad sampling. Spiny dogfish/rabbit fish: length, weight, age, tissue sampling. |
| Demersal fish | Quantity: number of stations = 113 Description: Fixed bottom trawl stations using the Campelen 1800 bottom trawl. 30 min trawl hauls for swept area indices of shrimp biomass/numbers and shrimp year class strength, and all fish species (total weight, length). Northern shrimp/Norway lobster: length, weight, sex, maturity. Sea cucumbers: length, weight. Sharks and rays: length, weight, sex. Roundnose grenadier/Atlantic halibut/anglerfish: length, weight, sex, maturity, age. Blue ling: length, weight, age, genetic/gonad sampling. Spiny dogfish/rabbit fish: length, weight, age, tissue sampling. |
| Molluscs | Quantity: number of stations = 113 Description: Fixed bottom trawl stations using the Campelen 1800 bottom trawl. 30 min trawl hauls for swept area indices of shrimp biomass/numbers and shrimp year class strength, and all fish species (total weight, length). Northern shrimp/Norway lobster: length, weight, sex, maturity. Sea cucumbers: length, weight. Sharks and rays: length, weight, sex. Roundnose grenadier/Atlantic halibut/anglerfish: length, weight, sex, maturity, age. Blue ling: length, weight, age, genetic/gonad sampling. Spiny dogfish/rabbit fish: length, weight, age, tissue sampling. |
| Crustaceans | Quantity: number of stations = 113 Description: Fixed bottom trawl stations using the Campelen 1800 bottom trawl. 30 min trawl hauls for swept area indices of shrimp biomass/numbers and shrimp year class strength, and all fish species (total weight, length). Northern shrimp/Norway lobster: length, weight, sex, maturity. Sea cucumbers: length, weight. Sharks and rays: length, weight, sex. Roundnose grenadier/Atlantic halibut/anglerfish: length, weight, sex, maturity, age. Blue ling: length, weight, age, genetic/gonad sampling. Spiny dogfish/rabbit fish: length, weight, age, tissue sampling. |
| Gear research | Quantity: number of stations = 20 Description: Mandatory Campelen trawl test hauls with open cod end, recording of output from trawl sensors |
| Exploratory fishing | Quantity: number of stations = 8 Description: Extra stations on Fladen ground |
| Other biological/fisheries measurement | Quantity: number of stations = 113 Description: Genetic samples of spiny dogfish & rabbit fish |
| Other biological/fisheries measurement | Quantity: number of stations = 54 Description: Stomach samples of saithe, haddock, velvet belly, roundnose grenadier, greater argentine & blue whiting (2nd part of survey) |
| Other biological/fisheries measurement | Quantity: number of specimens = 7 Description: Genetic & gonad samples of blue ling |
| Meteorology | |
| Routine standard measurements | Quantity: activity duration in days = 25 Description: Weather data |
| Geology and geophysics | |
| Single-beam echosounding | Quantity: activity duration in days = 25 Description: Echosounding |
