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Licandro, Priscilla; Raab, Kristina; Hosia, Aino (2014): Biogeography of jellyfish in the North Atlantic. doi:10.1594/PANGAEA.835732, Supplement to: Licandro, Priscilla; Blackett, Michael; Fischer, Astrid; Hosia, Aino; Kennedy, Janelle; Kirby, Richard R; Raab, Kristina; Stern, Robert J; Tranter, Paul (2015): Biogeography of jellyfish in the North Atlantic, by traditional and genomic methods. Earth System Science Data, 7(2), 173-191, doi:10.5194/essd-7-173-2015

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In recent years a global increase in jellyfish (i.e. Cnidarians and Ctenophores) abundance and a rise in the recurrence of jellyfish outbreak events have been largely debated, but a general consensus on this matter has not been achieved yet. Within this debate, it has been generally recognised that there is a lack of reliable data that could be analysed and compared to clarify whether indeed jellyfish are increasing throughout the world ocean as a consequence of anthropogenic impact and hydroclimatic variability. Here we describe different jellyfish data sets produced within the EU program EUROBASIN, which have been assembled with the aim of presenting an up to date overview on the diversity and standing stocks of North Atlantic jellyfish. Abundance and species composition were determined in samples collected in the epipelagic layer (0- 200m), using a net well adapted to quantitatively catching gelatinous zooplankton. The samples were collected in spring-summer (April-August) 2010-2013, in inshore and offshore North Atlantic waters, between 59-68LatN and 62W-5ELong. Jellyfish were also identified and counted in samples opportunistically collected by other sampling gears in the same region and in two coastal stations in the Bay of Biscay and in the Gulf of Cadiz. Continuous Plankton Recorder (CPR) samples collected in 2009-2012 were re-analysed with the aim of identifying the time and location of jellyfish blooms across the North Atlantic basin.
Median Latitude: 58.459042 * Median Longitude: -25.515423 * South-bound Latitude: 36.000000 * West-bound Longitude: -68.620000 * North-bound Latitude: 68.790000 * East-bound Longitude: 5.070500
Date/Time Start: 2010-03-04T00:00:00 * Date/Time End: 2013-05-20T18:34:00
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