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Funk, Steffen; Möllmann, Christian (2024): Winter cod 2024: Monitoring data recorded during RV ALKOR cruise AL606 - Gadus morhua body and gonad measurements [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.968776

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Abstract:
This data contains monitoring data of the RV ALKOR cruise AL606 conducted in January 2024 (January 22nd – January 30th) in the Western Baltic Sea by the University of Hamburg. The cruise was part of the 5-year monitoring programme Winter cod 2021-25 (Monitoring winter spawning activity of Western Baltic cod (Gadus morhua) (2021-25)) of the University of Hamburg aiming at investigating the early-winter spawning activity of Western Baltic cod to identify potential climate-induced shifts in spawning phenology. The data set includes cod single fish analysis data. All single fish measurements were made directly on board. Full wet weights of cod were measured and subsequently cod were gutted and liver weights, gonad weights and sexes, gutted wet weights (i.e., gutted wet mass), gonad stages and liver nematode infestations were recorded, and Otoliths were taken.
Keyword(s):
cod monitoring data; Gadus morhua; RV ALKOR; Western Baltic Sea; winter
Related to:
Funk, Steffen; Möllmann, Christian (2024): Monitoring winter spawning activity of Western Baltic cod (Gadus morhua) (2021-25), Cruise No. AL606, January 22nd - January 30th 2024, Kiel (Germany) - Kiel (Germany), Winter cod 2021-25. Alkor-Berichte, Institute of Marine Ecosystem and Fisheries Science, University of Hamburg, AL606, 35 pp, https://doi.org/10.3289/CR_AL606
References:
Tomkiewicz, Jonna; Tybjerg, Lars; Holm, Nina; Hansen, Alex; Broberg, Carl; Hansen, Erik (2002): Manual to determine gonadal maturity of Baltic cod. DFU-rapport 116-02, Charlottenlund: Danish Institute for Fisheries Research, 49 pp
Project(s):
DAM sustainMare - SpaCeParti: Coastal Fishery, Biodiversity, Spatial Use and Climate Change: A Participative Approach to navigate the Western Baltic Sea into a Sustainable Future (SpaCeParti)
Research Mission of the German Marine Research Alliance (DAM): Protection and sustainable use of marine areas (sustainMare)
Funding:
Federal Ministry of Education and Research (BMBF), grant/award no. 03F0914B: DAM sustainMare - SpaCeParti, University of Hamburg
Coverage:
Median Latitude: 54.542326 * Median Longitude: 10.862393 * South-bound Latitude: 54.142241 * West-bound Longitude: 10.058305 * North-bound Latitude: 54.748641 * East-bound Longitude: 11.833331
Date/Time Start: 2024-01-22T11:35:00 * Date/Time End: 2024-01-29T12:21:00
Minimum DEPTH, water: 19 m * Maximum DEPTH, water: 32 m
Event(s):
AL606_1-1 * Latitude Start: 54.477540 * Longitude Start: 10.238170 * Latitude End: 54.477530 * Longitude End: 10.237980 * Date/Time Start: 2024-01-22T11:35:00 * Date/Time End: 2024-01-22T12:18:59 * Elevation Start: -19.0 m * Elevation End: -15.0 m * Campaign: AL606 (Winter cod 2021-25) * Basis: Alkor (1990) * Method/Device: Fishing rod (FR)
AL606_2-1 * Latitude Start: 54.566360 * Longitude Start: 10.238470 * Latitude End: 54.566410 * Longitude End: 10.238250 * Date/Time Start: 2024-01-22T13:01:46 * Date/Time End: 2024-01-22T13:36:36 * Elevation Start: -19.0 m * Elevation End: -19.0 m * Campaign: AL606 (Winter cod 2021-25) * Basis: Alkor (1990) * Method/Device: Fishing rod (FR)
AL606_31-1 * Latitude Start: 54.142240 * Longitude Start: 11.256540 * Latitude End: 54.142250 * Longitude End: 11.256070 * Date/Time Start: 2024-01-23T12:42:15 * Date/Time End: 2024-01-23T13:00:58 * Elevation Start: -25.0 m * Elevation End: -25.0 m * Campaign: AL606 (Winter cod 2021-25) * Basis: Alkor (1990) * Method/Device: Fishing rod (FR)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventFunk, Steffen
2LATITUDELatitudeFunk, SteffenGeocode
3LONGITUDELongitudeFunk, SteffenGeocode
4DEPTH, waterDepth watermFunk, SteffenGeocode
5DATE/TIMEDate/TimeFunk, SteffenGeocode
6Cruise/expeditionExpeditionFunk, Steffen
7Station labelStationFunk, Steffen
8HaulHaulFunk, Steffen
9Individual IDInd IDFunk, Steffen
10Gadus morhua, total lengthG. morhua TLmmFunk, SteffenFish measuring board
11Gadus morhua, wet massG. morhua wmgFunk, SteffenMarine scale, Marel, M2200
12Gadus morhua, gutted wet massG. morhua gutted wmgFunk, SteffenMarine scale, Marel, M2200
13Gadus morhua, parasitic nematodes in liverG. morhua paras nematodsFunk, Steffenvisible nematodes in liver (0: no nematodes; 1: <10; 2: 11-20; 3: 21-30; 4: >=31)
14Gadus morhua, liver, wet massG. morhua liver wmgFunk, SteffenMarine scale, Marel, M2200
15Gadus morhua, sexG. morhua sexFunk, Steffenf - female, m - male
16Gadus morhua, gonadal stageG. morhua gon stgFunk, SteffenDetermination of gonadal maturity according to Tomkiewicz et al. (2002)
17Gadus morhua, gonad, wet massG. morhua gonad wmgFunk, SteffenMarine scale, Marel, M2200
18OtolithOtolith#Funk, Steffenunbroken sagittae otolith samples taken from Gadus morhua (from 0 to 2)
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
4018 data points

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