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Fisheries

Marine Scotland manages quota for fish stocks and all inshore fisheries within the 12 nautical mile territorial water limit. It is also responsible for controlling the activities of fishing vessels and fishing effort (days spent at sea) in the North Sea, west of Scotland and Faroese waters.
In this section, citable data and reports relevant to fishing activities will be added.

License

UK Open Government Licence (OGL)

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Greater North Sea International Otter Trawl Quarter 3 Groundfish Survey Monitoring and Assessment Data Products - 2017- 2019 Update

The Greater North Sea International Quarter 3 Otter Trawl Groundfish Survey Monitoring and Assessment Data update resource contains both biological and sampling information for 2017-2019. There are two sampling areas a “Full” data set, this includes rectangles that have a poor temporal sampling record. The “SSA” or “Standard Survey Area” sampling area only contains rectangles that have consistent temporal sampling and meet the criteria set out in Moriarty et al, (2017). The SSA has been kept consistent with the previous release for continuity.
The “sampling information” contains all the technical information required to describe each individual haul.
The “biological information” contains all of the biological information required to describe the species length and weight distributions in each haul. Biological information is further classified by “baseline” data. This data contains a mix of species, genus, and family classifications, with a tag to say if it required further assessment and “null” length values, with a tag to say a length frequency distribution needs to be assigned. The “k-NN” or “k” number of nearest neighbours data has reconciled all of the taxonomic data to the highest resolution possible, and assigned an appropriate length distribution to the sample in question. Product type:
• This product is the Standard Survey Area - Standard Monitoring Programme this is the recommended product for all analyses.
• This product is the knn/resolved product which is recommended for all analyses.
Acknowledgements
Jens Rasmussen, Marine Scotland Science
Chris Lynam, CEFAS

doi: 
10.7489/12311-1
Citation: 
Moriarty, M. & Greenstreet, S. 2020. Greater North Sea International Otter Trawl Quarter 3 Groundfish Survey Monitoring and Assessment Data Products - 2017- 2019 Update. DOI: 10.7489/12311-1
FieldValue
Publisher
Modified
2020-06-01
Release Date
2020-06-01
Identifier
2b88c1b4-df51-45b0-8a12-60b03fa02dce
License
UK Open Government Licence (OGL)
Public Access Level
Public