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Grimaldo, Eduardo; Grimsmo, Leif; Alvarez, Paula; Herrmann, Bent; Møen Tveit, Guro; Tiller, Rachel; Slizyte, Rasa; Aldanondo, Naroa; Guldberg, Trude; Toldnes, Bendik; Carvajal, Ana; Schei, Marte; Selnes, Merethe (2021): Biomass density and catch composition of mesopelagic fish and invertebrates in the Northeast Atlantic [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.931877, In: Grimaldo, E et al. (2021): Investigating the potential for a commercial fishery in the Northeast Atlantic utilizing mesopelagic species [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.931907

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Abstract:
During three cruises in the Mid Atlantic Ridge area in 2016 and 2017, we studied the biomass of mesopelagic fish down to a depth of 600 m and identified and quantified the species composition of the catches. The biomass density was estimated considering the volume of water filtered by the cross-sectional area of the trawl blinded with 16 mm meshes (130 m–2), the distanced covered by the trawl (m) at a towing speed (transformed to m s–1) the effective tow time (min) and the catch (kg).
Supplement to:
Grimaldo, Eduardo; Grimsmo, Leif; Alvarez, Paula; Herrmann, Bent; Møen Tveit, Guro; Tiller, Rachel; Slizyte, Rasa; Aldanondo, Naroa; Guldberg, Trude; Toldnes, Bendik; Carvajal, Ana; Schei, Marte; Selnes, Merethe (2020): Investigating the potential for a commercial fishery in the Northeast Atlantic utilizing mesopelagic species. ICES Journal of Marine Science, 77(7-8), 2541-2556, https://doi.org/10.1093/icesjms/fsaa114
Project(s):
Sustainable Management of Mesopelagic Resources (SUMMER)
Funding:
Horizon 2020 (H2020), grant/award no. 817806: Sustainable management of mesopelagic resources
Coverage:
Median Latitude: 48.936668 * Median Longitude: -21.825333 * South-bound Latitude: 37.566670 * West-bound Longitude: -32.000000 * North-bound Latitude: 60.500000 * East-bound Longitude: -4.616667
Date/Time Start: 2016-06-28T00:00:00 * Date/Time End: 2017-07-29T00:00:00
Event(s):
Birkeland_Cruise_1-H01  * Latitude: 60.500000 * Longitude: -4.616667 * Date/Time: 2016-06-28T00:00:00 * Location: Northeast Atlantic * Campaign: Birkeland_Cruise_1 * Basis: Birkeland * Method/Device: Midwater trawl (MWT)
Birkeland_Cruise_1-H02  * Latitude: 59.766670 * Longitude: -31.433330 * Date/Time: 2016-07-02T00:00:00 * Location: Northeast Atlantic * Campaign: Birkeland_Cruise_1 * Basis: Birkeland * Method/Device: Midwater trawl (MWT)
Birkeland_Cruise_1-H03  * Latitude: 56.500000 * Longitude: -31.450000 * Date/Time: 2016-07-03T00:00:00 * Location: Northeast Atlantic * Campaign: Birkeland_Cruise_1 * Basis: Birkeland * Method/Device: Midwater trawl (MWT)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Event labelEventGrimaldo, Eduardo
2 Towing speedTowing speedknGrimaldo, Eduardo
3 Trawling timeTrawl tminGrimaldo, Eduardo
4 Trawl headline depthTrawl headline depthmGrimaldo, Eduardo
5 Temperature, waterTemp°CGrimaldo, Eduardoat fishing depth
6 Total catchCatch totkgGrimaldo, EduardoFish, wet weighted
7 Biomass, wet mass per volumeBiom wmg/m3Grimaldo, EduardoCalculated
8 Maurolicus muelleriM. muelleri%Grimaldo, EduardoCalculated
9 Benthosema glacialeB. glaciale%Grimaldo, EduardoCalculated
10 Myctophum punctatumM. punctatum%Grimaldo, EduardoCalculated
11 Notoscopelus kroeyeriN. kroeyeri%Grimaldo, EduardoCalculated
12 Stomias boaS. boa%Grimaldo, EduardoCalculated
13 Arctozenus rissoiA. rissoi%Grimaldo, EduardoCalculated
14 Argyropelecus hemigymnusA. hemigymnus%Grimaldo, EduardoCalculated
15 Argentina sphyraenaA. sphyraena%Grimaldo, EduardoCalculated
16 EuphausiaceaEuphausiacea%Grimaldo, EduardoCalculated
17 HydrozoaHydrozoa%Grimaldo, EduardoCalculated
18 CephalopodaCephalopoda%Grimaldo, EduardoCalculated
19 AmphipodaAmphipoda%Grimaldo, EduardoCalculated
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
448 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 
Event		2 
Towing speed [kn]		3 
Trawl t [min]		4 
Trawl headline depth [m]		5 
Temp [°C]		6 
Catch tot [kg]		7 
Biom wm [g/m3]		8 
M. muelleri [%]		9 
B. glaciale [%]		10 
M. punctatum [%]		11 
N. kroeyeri [%]		12 
S. boa [%]		13 
A. rissoi [%]		14 
A. hemigymnus [%]		15 
A. sphyraena [%]		16 
Euphausiacea [%]		17 
Hydrozoa [%]		18 
Cephalopoda [%]		19 
Amphipoda [%]
Birkeland_Cruise_1-H01 2.430220400015.9486.00.000.00.0000.00.014.00.000.0
Birkeland_Cruise_1-H02 2.4604806.210001.990.095.001.02.0000.00.02.00.000.0
Birkeland_Cruise_1-H03 2.25040010002.610.091.000.41.6100.00.06.00.000.0
Birkeland_Cruise_1-H04 2.2404005.210003.260.679.401.02.0000.00.017.00.000.0
Birkeland_Cruise_1-H05 2.2304007.010004.3526.050.004.03.0200.00.015.00.000.0
Birkeland_Cruise_1-H06 2.31516011.8200016.6398.00.000.00.0000.02.00.00.000.0
Birkeland_Cruise_1-H07 2.33015013.510004.1697.60.000.00.0000.02.40.00.000.0
Birkeland_Cruise_1-H08 2.23050010.95002.1719.040.002.010.0657.02.05.00.040.0
Birkeland_Cruise_1-H09 2.22047014.51000.650.055.000.00.0000.00.045.00.000.0
Birkeland_Cruise_1-H10 2.21525015.8300026.0899.00.000.00.0000.00.00.01.000.0
Birkeland_Cruise_1-H11 2.21536712.8300026.080.00.000.00.0000.00.0100.00.000.0
Birkeland_Cruise_1-H12 2.31526016.35004.160.00.000.00.0000.00.095.02.003.0
Birkeland_Cruise_2-H01 2.22010011.92001.30100.00.000.00.0000.00.00.00.000.0
Birkeland_Cruise_2-H02 2.2208012.700.000.00.000.00.0000.00.00.00.000.0
Birkeland_Cruise_2-H03 2.26032012.53500.760.012.400.00.0000.00.054.732.900.0
Birkeland_Cruise_2-H04 2.3455011.46001.6694.30.000.00.0000.00.02.01.702.0
Birkeland_Cruise_2-H05 2.2452009.15001.4522.50.000.00.0000.00.077.60.000.0
Birkeland_Cruise_3-H01 2.212026012.63000.332.635.090.80.0000.50.059.00.001.2
Birkeland_Cruise_3-H02 2.34521213.22750.7696.00.000.00.0000.00.01.60.002.4
Birkeland_Cruise_3-H03 2.25033812.61000.262.426.100.20.0000.00.071.30.000.0
Birkeland_Cruise_3-H04 2.25021212.32500.6594.20.000.00.0010.00.02.40.002.4
Birkeland_Cruise_3-H05 2.2608514.33000.6563.50.000.00.0000.00.032.60.003.9
Birkeland_Cruise_3-H06 2.25021214.81000.2699.40.000.00.0000.00.00.00.000.6
Birkeland_Cruise_3-H07 2.26017014.13000.6568.20.000.00.0000.00.024.20.007.6
Birkeland_Cruise_3-H08 2.23010013.61000.4389.30.000.00.0000.00.010.70.000.0