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Huse, Geir (2014): Spatially explicit estimates of length and biomass of Micromesistius poutassou (Blue Whiting) and Clupea harengus (Norwegian spring spawning herring) from acoustic and trawl surveys in the North-East Atlantic (2004-2012) [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.831204, Supplement to: Huse, Geir; MacKenzie, Brian R; Trenkel, Verena M; Doray, Mathieu; Nøttestad, Leif; Óskarsson, Guomundur J (2015): Spatially explicit estimates of stock sizes, structure and biomass of herring and blue whiting, and catch data of bluefin tuna. Earth System Science Data, 7(1), 35-46, https://doi.org/10.5194/essd-7-35-2015

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Abstract:
Acoustic estimates of herring and blue whiting abundance were obtained during the surveys using the Simrad ER60 scientific echosounder. The allocation of NASC-values to herring, blue whiting and other acoustic targets were based on the composition of the trawl catches and the appearance of echo recordings. To estimate the abundance, the allocated NASC -values were averaged for ICES-squares (0.5° latitude by 1° longitude). For each statistical square, the unit area density of fish (rA) in number per square nautical mile (N*nm-2) was calculated using standard equations (Foote et al., 1987; Toresen et al., 1998). To estimate the total abundance of fish, the unit area abundance for each statistical square was multiplied by the number of square nautical miles in each statistical square and then summed for all the statistical squares within defined subareas and over the total area. Biomass estimation was calculated by multiplying abundance in numbers by the average weight of the fish in each statistical square then summing all squares within defined subareas and over the total area. The Norwegian BEAM soft-ware (Totland and Godø 2001) was used to make estimates of total biomass.
Other version:
Download a text version of Blue Whiting and Herring child datasets
Further details:
Foote, KG; Knudsen, H P; Vestnes, G; MacLennan, David N; Simmonds, E J (1987): Calibration of acoustic instruments for fish density estimation: a practical guide. Ices Cooperative Research Report-Rapport des Recherches Collectives, 144, 69, https://doi.org/10.1121/1.396131
Toresen, R; Grøsaeter, H; de Barros, P (1998): The acoustic method as used in the abundance estimation of capelin (Mallotus villosus) and herring (Clupea harengus) in the Barents Sea. Fisheries Research, 34, 27-38, https://doi.org/10.1016/S0165-7836(97)00077-5
Totland, A; Godø, O (2001): BEAM – an interactive GIS application for acoustic abundance estimation. In T. Nishida, P.R. Kailola and C.E. Hollingworth (Eds): Proceedings of the First Symposium on geographic Information System (GIS) in Fisheries Science. Fishery GIS Research Group. Saitama, Japan
Project(s):
Basin Scale Analysis, Synthesis and Integration (EURO-BASIN)
Funding:
Seventh Framework Programme (FP7), grant/award no. 264933: Basin Scale Analysis, Synthesis and Integration
Coverage:
Median Latitude: 67.624849 * Median Longitude: 1.949001 * South-bound Latitude: 60.500000 * West-bound Longitude: -29.000000 * North-bound Latitude: 74.500000 * East-bound Longitude: 39.000000
Date/Time Start: 2004-05-15T00:00:00 * Date/Time End: 2012-05-15T00:00:00
Comment:
The research leading to these results received (partial/full) funding from the European Commission FP7 EURO-BASIN (European Basin-Scale Anal ysis, Synthesis, and Integration; Grant Agreement 264 933).
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
18 datasets

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Datasets listed in this publication series

  1. Huse, G (2014): Spatially explicit estimates of length and biomass of Micromesistius poutassou (Blue Whiting) from acoustic and trawl surveys in the North-East Atlantic in May 2004. https://doi.org/10.1594/PANGAEA.827372
  2. Huse, G (2014): Spatially explicit estimates of length and biomass of Micromesistius poutassou (Blue Whiting) from acoustic and trawl surveys in the North-East Atlantic in May 2005. https://doi.org/10.1594/PANGAEA.827373
  3. Huse, G (2014): Spatially explicit estimates of length and biomass of Micromesistius poutassou (Blue Whiting) from acoustic and trawl surveys in the North-East Atlantic in May 2006. https://doi.org/10.1594/PANGAEA.827374
  4. Huse, G (2014): Spatially explicit estimates of length and biomass of Micromesistius poutassou (Blue Whiting) from acoustic and trawl surveys in the North-East Atlantic in May 2007. https://doi.org/10.1594/PANGAEA.827375
  5. Huse, G (2014): Spatially explicit estimates of length and biomass of Micromesistius poutassou (Blue Whiting) from acoustic and trawl surveys in the North-East Atlantic in May 2008. https://doi.org/10.1594/PANGAEA.827376
  6. Huse, G (2014): Spatially explicit estimates of length and biomass of Micromesistius poutassou (Blue Whiting) from acoustic and trawl surveys in the North-East Atlantic in May 2009. https://doi.org/10.1594/PANGAEA.827377
  7. Huse, G (2014): Spatially explicit estimates of length and biomass of Micromesistius poutassou (Blue Whiting) from acoustic and trawl surveys in the North-East Atlantic in May 2010. https://doi.org/10.1594/PANGAEA.827378
  8. Huse, G (2014): Spatially explicit estimates of length and biomass of Micromesistius poutassou (Blue Whiting) from acoustic and trawl surveys in the North-East Atlantic in May 2011. https://doi.org/10.1594/PANGAEA.827379
  9. Huse, G (2014): Spatially explicit estimates of length and biomass of Micromesistius poutassou (Blue Whiting) from acoustic and trawl surveys in the North-East Atlantic in May 2012. https://doi.org/10.1594/PANGAEA.827380
  10. Huse, G (2014): Spatially explicit estimates of length and biomass of Clupea harengus (Norwegian spring spawning herring) from acoustic and trawl surveys in the North-East Atlantic in May 2004. https://doi.org/10.1594/PANGAEA.827190
  11. Huse, G (2014): Spatially explicit estimates of length and biomass of Clupea harengus (Norwegian spring spawning herring) from acoustic and trawl surveys in the North-East Atlantic in May 2005. https://doi.org/10.1594/PANGAEA.827191
  12. Huse, G (2014): Spatially explicit estimates of length and biomass of Clupea harengus (Norwegian spring spawning herring) from acoustic and trawl surveys in the North-East Atlantic in May 2006. https://doi.org/10.1594/PANGAEA.827192
  13. Huse, G (2014): Spatially explicit estimates of length and biomass of Clupea harengus (Norwegian spring spawning herring) from acoustic and trawl surveys in the North-East Atlantic in May 2007. https://doi.org/10.1594/PANGAEA.827193
  14. Huse, G (2014): Spatially explicit estimates of length and biomass of Clupea harengus (Norwegian spring spawning herring) from acoustic and trawl surveys in the North-East Atlantic in May 2008. https://doi.org/10.1594/PANGAEA.827194
  15. Huse, G (2014): Spatially explicit estimates of length and biomass of Clupea harengus (Norwegian spring spawning herring) from acoustic and trawl surveys in the North-East Atlantic in May 2009. https://doi.org/10.1594/PANGAEA.827221
  16. Huse, G (2014): Spatially explicit estimates of length and biomass of Clupea harengus (Norwegian spring spawning herring) from acoustic and trawl surveys in the North-East Atlantic in May 2010. https://doi.org/10.1594/PANGAEA.827196
  17. Huse, G (2014): Spatially explicit estimates of length and biomass of Clupea harengus (Norwegian spring spawning herring) from acoustic and trawl surveys in the North-East Atlantic in May 2011. https://doi.org/10.1594/PANGAEA.827197
  18. Huse, G (2014): Spatially explicit estimates of length and biomass of Clupea harengus (Norwegian spring spawning herring) from acoustic and trawl surveys in the North-East Atlantic in May 2012. https://doi.org/10.1594/PANGAEA.819799