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Alca torda
Description Gridded abundance map of the razorbill (Alca torda). This product was developed with DIVA (Data-Interpolating Variational Analysis), the map represents log transformed abundance values. The maps shows the seasonal trend of the species, and is using a running average with data of 10 years. The species is an indicator species for Descriptor 1 Marine Bird breeding success of the MSFD for the North East Atlantic. Data was provided by JNCC (Joint Nature Conservation Committee).

Citation: European Marine Observation Data Network (EMODnet) Biology project (, funded by the European Commission’s Directorate - General for Maritime Affairs and Fisheries (DG MARE).

The mapped images, raster files and used parameters can be downloaded here.
Author NIOZ, VLIZ ·  MP4 file - 14.54 MB - 1 920 x 1 080 pixels added on 2014-08-282 122 viewsMSBIAS taxaVideo of species Alca torda Linnaeus, 1758Part of dataset Gridded abundance maps of marine birds from the North Sea Creative Commons License This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 4.0 License
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