Fish and invertebrate trawl sampling south of Iceland and in southern Irminger Sea in July 2020
This data set has trawl catch weight and biological measurements from the 2nd leg of the Icelandic part of the International Ecosystem Summer Survey in Nordic Seas (IESSNS) conducted in July 2020. The survey area was from the coast, over the shelf edge and into the deep-water basins south of Iceland and in the southern part of the Irminger Sea, defined as IESSNS strata 6, 11 and 12, see embedded map. The survey period was July 11 – 30, 2020, and samples were collected at 27 trawl stations. A specifically designed scientific trawl, called Multpelt832 (ICES, 2013a-b, Valdemarsen et al 2014) with cod-end mesh size of 50 mm, was used at all 27 stations. Trawl depth ranged from surface (trawl headline in surface) to 550 m depth.
All trawl catch was identified to lowest possible taxonomic level, total weight of each species recorded, and length and weight of 50 specimen per species measured, or all if less was caught. For blue whiting (Micromesistius poutassou) more biological measurements are provided such as sex, maturity, age, and stomach weight. For age determination, the otolith was extracted whole from the blue whiting at sea and read whole under a dissecting microscope on land by an experienced age reader part of the ICES framework. Gonad maturity stage was visually estimated at sea during sampling by an experienced technician. The maturity stages are 1-7, where 1 is immature, 2 is beginning to mature or beginning to recovering from previous spawning event, 3 is maturing, 4 is maturing, 5 is getting fully mature, 6 is spawning, and 7 has finished spawning. For the taxa Scyphozoa and Natantia decapods only total catch weight per station is recorded. In total, length measurements are provided for 1383 specimens and weight for 1231 specimen. Each specimen is one row in the dataset file.
Information for three pelagic fish species is excluded from the data set and these species are mackerel (Scomber scombrus), herring (Clupea harengus) and lump fish (Cyclopterus lumpus).
For detailed information about the survey see the survey report (in English): https://www.hafogvatn.is/is/midlun/utgafa/haf-og-vatnarannsoknir/results-of-the-icelandic-part-of-the-international-ecosystem-summer-survey-in-nordic-seas-iessns-in-2020-on-rv-arni-fridriksson
Various information is provided about the trawling operation and weather. The data is provided by the Marine and Freshwater Research Institute (MFRI) in Iceland.
Simple
- Cited responsible party
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Organisation name Individual name Electronic mail address Role Ólafsdóttir, Anna H
Author Pampoulie, Christophe
Author PANGAEA
Publisher
- Presentation form
- Digital table
- Status
- Completed
- Point of contact
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Organisation name Individual name Electronic mail address Role Ólafsdóttir, Anna H
Principal investigator
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PANGAEA Keyword List
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biological measurements
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IESSNS
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July 2020
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mesopelagic fish
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mesopelagic invertebrates
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Northeast Atlantic
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trawl catch
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PANGAEA Project List
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SUMMER
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Sustainable Management of Mesopelagic Resources
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- Access constraints
- Copyright
- Access constraints
- Restricted
- Use constraints
- Copyright
- Other constraints
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CC-BY-4.0: Creative Commons Attribution 4.0 International (License comes into effect after moratorium ends)
- Spatial representation type
- Text, table
- Language
- und
- Topic category
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- Geoscientific information
- Begin date
- 2020-07-12T00:49:00
- End date
- 2020-07-28T16:58:00
- Supplemental Information
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MFRI = Marine and Freshwater Research Institute
ASFIS 3A = List of Species for Fishery Statistics Purposes (3-alpha) [Food and Agriculture Organization of the United Nations].
- Distribution format
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Name Version text/tab-separated-values
unknown
- OnLine resource
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Protocol Linkage Name https://doi.pangaea.de/10.1594/PANGAEA.930437?format=textfile
- Hierarchy level
- Dataset
- Statement
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The data set was checked for completeness, correctness, and consistency of metainformation. Validity of used methods was checked and - if applicable - precision and range of data.
- Description
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EVENT LABEL: A7-2020_407 * LATITUDE START: 62.945500 * LONGITUDE START: -15.582167 * LATITUDE END: 62.974833 * LONGITUDE END: -15.588667 * DATE/TIME START: 2020-07-12T00:49:00 * DATE/TIME END: 2020-07-12T01:19:00 * ELEVATION START: -1794.0 m * ELEVATION END: -1797.0 m * LOCATION: Nordic Seas * CAMPAIGN: IESSNS_2020 * BASIS: Arni Fridriksson * METHOD/DEVICE: Multipurpose pelagic trawl - 832
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- Description
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EVENT LABEL: A7-2020_409 * LATITUDE START: 63.547833 * LONGITUDE START: -17.726333 * LATITUDE END: 63.532500 * LONGITUDE END: -17.662167 * DATE/TIME START: 2020-07-12T17:46:00 * DATE/TIME END: 2020-07-12T18:16:00 * ELEVATION START: -123.0 m * ELEVATION END: -123.0 m * LOCATION: Nordic Seas * CAMPAIGN: IESSNS_2020 * BASIS: Arni Fridriksson * METHOD/DEVICE: Multipurpose pelagic trawl - 832
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- 2020-07-12T17:46:00
- Description
-
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- Description
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EVENT LABEL: A7-2020_411 * LATITUDE START: 62.934000 * LONGITUDE START: -22.200667 * LATITUDE END: 62.918333 * LONGITUDE END: -22.249167 * DATE/TIME START: 2020-07-14T02:01:00 * DATE/TIME END: 2020-07-14T02:31:00 * ELEVATION START: -875.0 m * ELEVATION END: -875.0 m * LOCATION: Nordic Seas * CAMPAIGN: IESSNS_2020 * BASIS: Arni Fridriksson * METHOD/DEVICE: Multipurpose pelagic trawl - 832
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- 2020-07-14T02:01:00
- Description
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EVENT LABEL: A7-2020_413 * LATITUDE START: 63.237833 * LONGITUDE START: -21.071167 * LATITUDE END: 63.202167 * LONGITUDE END: -21.062667 * DATE/TIME START: 2020-07-14T17:11:00 * DATE/TIME END: 2020-07-14T17:41:00 * ELEVATION START: -157.0 m * ELEVATION END: -176.0 m * LOCATION: Nordic Seas * CAMPAIGN: IESSNS_2020 * BASIS: Arni Fridriksson * METHOD/DEVICE: Multipurpose pelagic trawl - 832
- Date / Time
- 2020-07-14T17:11:00
- Description
-
EVENT LABEL: A7-2020_414 * LATITUDE START: 63.039167 * LONGITUDE START: -21.133333 * LATITUDE END: 62.953167 * LONGITUDE END: -21.127167 * DATE/TIME START: 2020-07-14T20:11:00 * DATE/TIME END: 2020-07-14T21:46:00 * ELEVATION: -700.0 m * LOCATION: Nordic Seas * CAMPAIGN: IESSNS_2020 * BASIS: Arni Fridriksson * METHOD/DEVICE: Multipurpose pelagic trawl - 832
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- 2020-07-14T20:11:00
- Description
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EVENT LABEL: A7-2020_415 * LATITUDE START: 62.933333 * LONGITUDE START: -19.935667 * LATITUDE END: 62.910500 * LONGITUDE END: -19.970667 * DATE/TIME START: 2020-07-15T05:22:00 * DATE/TIME END: 2020-07-15T05:52:00 * ELEVATION START: -1260.0 m * ELEVATION END: -1260.0 m * LOCATION: Nordic Seas * CAMPAIGN: IESSNS_2020 * BASIS: Arni Fridriksson * METHOD/DEVICE: Multipurpose pelagic trawl - 832
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- Description
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EVENT LABEL: A7-2020_417 * LATITUDE START: 63.215500 * LONGITUDE START: -18.896500 * LATITUDE END: 63.157667 * LONGITUDE END: -18.892833 * DATE/TIME START: 2020-07-15T15:46:00 * DATE/TIME END: 2020-07-15T16:47:00 * ELEVATION START: -860.0 m * ELEVATION END: -800.0 m * LOCATION: Nordic Seas * CAMPAIGN: IESSNS_2020 * BASIS: Arni Fridriksson * METHOD/DEVICE: Multipurpose pelagic trawl - 832
- Date / Time
- 2020-07-15T15:46:00
- Description
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- Date / Time
- 2020-07-16T14:51:00
- Description
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- Date / Time
- 2020-07-17T12:04:00
- Description
-
EVENT LABEL: A7-2020_420 * LATITUDE START: 60.886833 * LONGITUDE START: -19.930333 * LATITUDE END: 60.917333 * LONGITUDE END: -19.876667 * DATE/TIME START: 2020-07-18T00:03:00 * DATE/TIME END: 2020-07-18T00:33:00 * ELEVATION START: -2693.0 m * ELEVATION END: -2693.0 m * LOCATION: Nordic Seas * CAMPAIGN: IESSNS_2020 * BASIS: Arni Fridriksson * METHOD/DEVICE: Multipurpose pelagic trawl - 832
- Date / Time
- 2020-07-18T00:03:00
- Description
-
EVENT LABEL: A7-2020_421 * LATITUDE START: 60.912167 * LONGITUDE START: -22.316833 * LATITUDE END: 60.942833 * LONGITUDE END: -22.284167 * DATE/TIME START: 2020-07-18T14:12:00 * DATE/TIME END: 2020-07-18T14:42:00 * ELEVATION START: -2078.0 m * ELEVATION END: -2078.0 m * LOCATION: Nordic Seas * CAMPAIGN: IESSNS_2020 * BASIS: Arni Fridriksson * METHOD/DEVICE: Multipurpose pelagic trawl - 832
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- Description
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- Description
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- Description
-
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- Description
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EVENT LABEL: A7-2020_427 * LATITUDE START: 60.609667 * LONGITUDE START: -32.489667 * LATITUDE END: 60.591333 * LONGITUDE END: -32.554500 * DATE/TIME START: 2020-07-20T05:23:00 * DATE/TIME END: 2020-07-20T06:23:00 * ELEVATION START: -2276.0 m * ELEVATION END: -2276.0 m * LOCATION: Nordic Seas * CAMPAIGN: IESSNS_2020 * BASIS: Arni Fridriksson * METHOD/DEVICE: Multipurpose pelagic trawl - 832
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EVENT LABEL: A7-2020_429 * LATITUDE START: 58.987667 * LONGITUDE START: -35.650500 * LATITUDE END: 58.959833 * LONGITUDE END: -35.683667 * DATE/TIME START: 2020-07-20T22:42:00 * DATE/TIME END: 2020-07-20T23:12:00 * ELEVATION START: -3761.0 m * ELEVATION END: -3761.0 m * LOCATION: Nordic Seas * CAMPAIGN: IESSNS_2020 * BASIS: Arni Fridriksson * METHOD/DEVICE: Multipurpose pelagic trawl - 832
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EVENT LABEL: A7-2020_431 * LATITUDE START: 57.498000 * LONGITUDE START: -42.611667 * LATITUDE END: 57.523500 * LONGITUDE END: -42.576833 * DATE/TIME START: 2020-07-22T00:28:00 * DATE/TIME END: 2020-07-22T00:58:00 * LOCATION: Nordic Seas * CAMPAIGN: IESSNS_2020 * BASIS: Arni Fridriksson * METHOD/DEVICE: Multipurpose pelagic trawl - 832
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EVENT LABEL: A7-2020_433 * LATITUDE START: 58.896667 * LONGITUDE START: -40.826333 * LATITUDE END: 58.901000 * LONGITUDE END: -40.695167 * DATE/TIME START: 2020-07-22T13:05:00 * DATE/TIME END: 2020-07-22T14:05:00 * ELEVATION START: -2700.0 m * ELEVATION END: -2700.0 m * LOCATION: Nordic Seas * CAMPAIGN: IESSNS_2020 * BASIS: Arni Fridriksson * METHOD/DEVICE: Multipurpose pelagic trawl - 832
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- Description
-
EVENT LABEL: A7-2020_436 * LATITUDE START: 60.238500 * LONGITUDE START: -40.183833 * LATITUDE END: 60.273000 * LONGITUDE END: -40.223833 * DATE/TIME START: 2020-07-23T17:55:00 * DATE/TIME END: 2020-07-23T18:25:00 * ELEVATION START: -3000.0 m * ELEVATION END: -3000.0 m * LOCATION: Nordic Seas * CAMPAIGN: IESSNS_2020 * BASIS: Arni Fridriksson * METHOD/DEVICE: Multipurpose pelagic trawl - 832
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-
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- Description
-
EVENT LABEL: A7-2020_443 * LATITUDE START: 61.754333 * LONGITUDE START: -30.878833 * LATITUDE END: 61.737833 * LONGITUDE END: -30.835333 * DATE/TIME START: 2020-07-26T01:37:00 * DATE/TIME END: 2020-07-26T02:07:00 * ELEVATION START: -2110.0 m * ELEVATION END: -2110.0 m * LOCATION: Nordic Seas * CAMPAIGN: IESSNS_2020 * BASIS: Arni Fridriksson * METHOD/DEVICE: Multipurpose pelagic trawl - 832
- Date / Time
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- Description
-
EVENT LABEL: A7-2020_446 * LATITUDE START: 61.928000 * LONGITUDE START: -23.504000 * LATITUDE END: 61.924833 * LONGITUDE END: -23.445667 * DATE/TIME START: 2020-07-27T04:21:00 * DATE/TIME END: 2020-07-27T04:51:00 * ELEVATION START: -1447.0 m * ELEVATION END: -1447.0 m * LOCATION: Nordic Seas * CAMPAIGN: IESSNS_2020 * BASIS: Arni Fridriksson * METHOD/DEVICE: Multipurpose pelagic trawl - 832
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- Description
-
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- Date / Time
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- Description
-
EVENT LABEL: A7-2020_453 * LATITUDE START: 61.885000 * LONGITUDE START: -18.592000 * LATITUDE END: 61.912667 * LONGITUDE END: -18.536667 * DATE/TIME START: 2020-07-28T07:42:00 * DATE/TIME END: 2020-07-28T08:12:00 * ELEVATION START: -2076.0 m * ELEVATION END: -2076.0 m * LOCATION: Nordic Seas * CAMPAIGN: IESSNS_2020 * BASIS: Arni Fridriksson * METHOD/DEVICE: Multipurpose pelagic trawl - 832
- Date / Time
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- Description
-
EVENT LABEL: A7-2020_454 * LATITUDE START: 61.734500 * LONGITUDE START: -16.130667 * LATITUDE END: 61.766000 * LONGITUDE END: -16.104833 * DATE/TIME START: 2020-07-28T16:28:00 * DATE/TIME END: 2020-07-28T16:58:00 * ELEVATION START: -2301.0 m * ELEVATION END: -2301.0 m * LOCATION: Nordic Seas * CAMPAIGN: IESSNS_2020 * BASIS: Arni Fridriksson * METHOD/DEVICE: Multipurpose pelagic trawl - 832
- Date / Time
- 2020-07-28T16:28:00
- Description
-
Related to
- Date (Publication)
- 2013-01-01
- Cited responsible party
-
Organisation name Individual name Electronic mail address Role International Council for the Exploration of the Sea (ICES)
Author
- Presentation form
- Hardcopy document
- Name
-
Marine Institute, Dublin, Ireland. ICES CM 2013/SSGESST:07
- Page
-
22 pp.
- Description
-
Related to
- Date (Publication)
- 2013-01-01
- Cited responsible party
-
Organisation name Individual name Electronic mail address Role International Council for the Exploration of the Sea (ICES)
Author
- Presentation form
- Hardcopy document
- Name
-
ICES Headquarters, Copenhagen and Hirtshals, Denmark. ICES CM 2013/SSGESST:18
- Page
-
33 pp.
- Description
-
Related to
- Date
- Citation identifier
- https://doi.pangaea.de/10.1594/PANGAEA.915969
- Cited responsible party
-
Organisation name Individual name Electronic mail address Role Ólafsdóttir, Anna H
Author Pampoulie, Christophe
Author
- Presentation form
- Digital document
- Description
-
Related to
- Date
- Citation identifier
- https://doi.pangaea.de/10.1594/PANGAEA.918336
- Cited responsible party
-
Organisation name Individual name Electronic mail address Role Ólafsdóttir, Anna H
Author Pampoulie, Christophe
Author
- Presentation form
- Digital document
- Description
-
Related to
- Date (Publication)
- 2014-01-01
- Cited responsible party
-
Organisation name Individual name Electronic mail address Role Valdemarsen, J W
Author Jacobsen, J A
Author Óskarsson, Guomundur J
Author Utne, Kjell Rong
Author Einarsson, H A
Author Sveinbjörnsson, Sveinn
Author Smith, L
Author Zachariassen, K
Author Nøttestad, Leif
Author
- Presentation form
- Hardcopy document
- Name
-
Working Document (WD) to ICES WKPELA
- Page
-
14 pp.
- Description
-
Further details
- Date
- Presentation form
- Hardcopy document
- Attribute description
- Event label
- Content type
- Thematic classification
- Attribute description
- Country
- Content type
- Thematic classification
- Attribute description
- Year of observation
- Content type
- Physical measurement
- Attribute description
- Cruise/expedition
- Content type
- Thematic classification
- Attribute description
- Station label
- Content type
- Thematic classification
- Attribute description
- Comment
- Content type
- Thematic classification
- Descriptor
-
Trawl station type (Ptrawl = surface, DeepTrawl = watercolumn)
- Attribute description
- Gear
- Content type
- Thematic classification
- Descriptor
-
Sampling platform (Vessel name and registration number)
- Attribute description
- DATE/TIME
- Content type
- Thematic classification
- Descriptor
-
Trawl in water
- Attribute description
- DATE/TIME
- Content type
- Thematic classification
- Descriptor
-
Trawl out of water
- Attribute description
- LATITUDE
- Content type
- Thematic classification
- Descriptor
-
Trawl in water
- Attribute description
- LONGITUDE
- Content type
- Thematic classification
- Descriptor
-
Trawl in water
- Attribute description
- Latitude 2
- Content type
- Thematic classification
- Descriptor
-
Trawl out of water
- Attribute description
- Longitude 2
- Content type
- Thematic classification
- Descriptor
-
Trawl out of water
- Attribute description
- Depth, bathymetric
- Content type
- Physical measurement
- Descriptor
-
Trawl in water
- Attribute description
- Depth, bathymetric
- Content type
- Physical measurement
- Descriptor
-
Trawl out of water
- Attribute description
- Species code
- Content type
- Thematic classification
- Descriptor
-
ASFIS 3A
- Attribute description
- Taxon/taxa
- Content type
- Thematic classification
- Attribute description
- Towing speed
- Content type
- Physical measurement
- Descriptor
-
At tow depth
- Attribute description
- Trawling time
- Content type
- Physical measurement
- Descriptor
-
At tow depth
- Attribute description
- Trawling distance
- Content type
- Physical measurement
- Descriptor
-
At tow depth
- Attribute description
- Trawl vertical opening
- Content type
- Physical measurement
- Descriptor
-
At tow depth
- Attribute description
- Trawl door horizontal opening
- Content type
- Physical measurement
- Descriptor
-
At tow depth
- Attribute description
- Trawl headline depth
- Content type
- Physical measurement
- Descriptor
-
Tow begins
- Attribute description
- Trawl headline depth
- Content type
- Physical measurement
- Descriptor
-
Tow ends
- Attribute description
- Code
- Content type
- Thematic classification
- Descriptor
-
Fishing gear type (MFRI code)
- Attribute description
- Mesh size
- Content type
- Physical measurement
- Descriptor
-
Codend meshsize
- Attribute description
- Sweeps length
- Content type
- Physical measurement
- Attribute description
- Wire length
- Content type
- Physical measurement
- Descriptor
-
Wrap wire length
- Attribute description
- Wind speed
- Content type
- Physical measurement
- Attribute description
- Wind direction
- Content type
- Physical measurement
- Attribute description
- Cloud coverage
- Content type
- Thematic classification
- Descriptor
-
Scale 1-8
- Attribute description
- Temperature, water
- Content type
- Physical measurement
- Descriptor
-
At 10 m depth from surface
- Attribute description
- Temperature, air
- Content type
- Physical measurement
- Descriptor
-
At sea level
- Attribute description
- Pressure, atmospheric
- Content type
- Physical measurement
- Attribute description
- Length
- Content type
- Physical measurement
- Descriptor
-
Fish measuring board
- Attribute description
- Weight, total, wet
- Content type
- Physical measurement
- Descriptor
-
Fish, wet weighted
- Attribute description
- Sex
- Content type
- Thematic classification
- Descriptor
-
Visual identification
- Attribute description
- Maturity index
- Content type
- Thematic classification
- Descriptor
-
Visual identification; Stage 1-6
- Attribute description
- Age
- Content type
- Physical measurement
- Descriptor
-
Otolith reader; Age of fish in years
- Attribute description
- Mass
- Content type
- Physical measurement
- Descriptor
-
Weighted; Total weight per species per station
- Attribute description
- Number of individuals
- Content type
- Physical measurement
- Descriptor
-
Counting, visual; Specimen length measured per species per station
- Attribute description
- Number of individuals
- Content type
- Physical measurement
- Descriptor
-
Counting, visual; Specimen aged per species per station
- Attribute description
- Number of individuals
- Content type
- Physical measurement
- Descriptor
-
Counting, visual; Specimen weighted per species per station
- Attribute description
- Identification
- Content type
- Thematic classification
- Descriptor
-
Sample identification number (MFRI database)
Metadata
- File identifier
- de.pangaea.dataset930437 XML
- Metadata language
- und
- Hierarchy level
- Dataset
- Date stamp
- 2024-04-04T15:10:30Z
- Metadata author
-
Organisation name Individual name Electronic mail address Role PANGAEA
Point of contact
- Dataset URI