This dataset shows the distribution of fishing effort by fishing vessels according to the gear type used - dredge fishing. Fishing effort is defined as the time spent engaged in fishing operations or time spent at sea, this time may be multiplied by a measure of fishing capacity, e.g. engine power. In this dataset fishing effort is measured as average hours spent actively fishing per kilometre square, per year. Data from years 2014 to 2018 was used to produce this data product for the Marine Institute publication the “Atlas of Commercial Fisheries around Ireland, third edition“ (https://oar.marine.ie/handle/10793/1432).
The VMS data was analysed using the approach described by Gerritsen and Lordan (IJMS 68(1)). This approach assigns effort to each of the VMS data points. The effort of a VMS data point is defined as the time interval since the previous data point. Next the data are filtered for fishing activity using speed criteria, vessels were assumed to be actively fishing if their speed fell within a certain range (depending on the fishing gear used). The points that remain are then aggregated into a spatial grid to produce a raster dataset showing fishing effort (in hours) per kilometre square per year for each gear type group. The data is available for all countries combined and for Irish vessels only.
Domain consistency
Conformance result
Specification
Title
COMMISSION REGULATION (EC) No 1205/2008 of 3 December 2008 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards metadata
Date
2010-12-08
Date type
Publication:
Date identifies when the resource was issued
Explanation
See the referenced specification
Pass
No
Domain consistency
Conformance result
Specification
Title
Corrigendum to INSPIRE Metadata Regulation published in the Official Journal of the European Union, L 328, page 83
Date
2010-12-08
Date type
Publication:
Date identifies when the resource was issued
Explanation
See the referenced specification
Pass
No
Domain consistency
Conformance result
Specification
Title
Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services
Date
2010-12-08
Date type
Publication:
Date identifies when the resource was issued