Extraction of fish - Cod extraction (landings) (HOLAS 2)
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Dataset information
Catalog
Country of origin
Updated
Created
Available languages
English
Keywords
MADS, HOLAS2
Datasource
Quality scoring
195
Dataset description
The extraction of cod pressure layer is based on two datasets:
1. http://metadata.helcom.fi/geonetwork/srv/eng/catalog.search#/metadata/7a1389b3-382a-487f-8888-ac45c94c5a97 for years 2011-2016 reported per ICES statistical rectangles (tonnes / ICES rectangle).
2. http://metadata.helcom.fi/geonetwork/srv/eng/catalog.search#/metadata/debeafcd-948b-4455-88ae-7a3d1618f5a8 from ICES recreational fisheries reports for 2011-2016, reported per country (only coastal areas included).
Landing values were redistributed within each ICES rectangle by the c-square fishing effort data provided by ICES (all gears, 2011-2013). Tonnes / km² were calculated for both data sets and the results were converted to 1 km x 1 km grid cells. The layers were summed together, log-transformed and normalised to produce the final pressure layer on extraction of cod.
Please see "lineage" section below for further details on attributes, data source, data processing, etc.
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