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Cornils, Astrid; Thomisch, Karolin; Hase, Joanna; Hildebrandt, Nicole; Auel, Holger; Niehoff, Barbara (2022): Abundance, biovolume, biomass and length measurements of mesozooplankton from the POLARSTERN cruise PS78 (ARK-XXVI/1). PANGAEA, https://doi.org/10.1594/PANGAEA.944235

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Abstract:
Mesozooplankton samples were collected with the Multinet midi (Hydrobios, Kiel) and Bongo nets during the POLARSTERN cruise PS78 (ARK-XXVI/1) on a transect across Fram Strait. The samples were analyzed with imaged-based ZooScan analysis (Gorsky et al. 2010) and microscopic counts to compare the taxonomic resolution and abundance of both methods as described in Cornils et al. (2022). The data collection includes abundance, biovolume, biomass and length measurements derived from the image-based analysis with ZooScan as well as abundances based on microscopic counts. To compare biomass estimates from image parameters direct measurements of prosome length and individual dry mass of Calanus spp. are also provided. The data analysis is described in Cornils et al. (2022).The R scripts deposited at GitHub (Cornils 2022) allow the transformation of the EcoTaxa image dataset https://ecotaxa.obs-vlfr.fr/prj/2771 to abundance, biovolume and dry mass of the zooplankton organisms.
Keyword(s):
Abundance; Biomass; biovolume; Copepoda; Fram Strait; Zooplankton
Supplement to:
Cornils, Astrid; Thomisch, Karolin; Hase, Joanna; Hildebrandt, Nicole; Auel, Holger; Niehoff, Barbara (2022): Testing the usefulness of optical data for zooplankton long-term monitoring: Taxonomic composition, abundance, biomass and size spectra from ZooScan image analysis. Limnology and Oceanography-Methods, https://doi.org/10.1002/lom3.10495
Related to:
Cornils, Astrid (2022): Zooplankton abundance and biomass from ZooScan images (v1.0.1). Zenodo, https://doi.org/10.5281/zenodo.6552614
Gorsky, Gabriel; Ohman, Mark D; Picheral, Marc; Gasparini, Stéphane; Stemmann, Lars; Romagnan, Jean-Baptiste; Cawood, A; Pesant, Stephane; García-Comas, Carmen; Prejge, Franck (2010): Digital zooplankton image analysis using the ZooScan integrated system. Journal of Plankton Research, 32(3), 285-303, https://doi.org/10.1093/plankt/fbp124
Thomisch, Karolin (2012): Mesozooplankton in the Fram Strait: Distribution, abundance and species composition in a warming Arctic Ocean. M.Sc. thesis. Univeristy of Bremen
Funding:
Federal Ministry of Education and Research (BMBF), grant/award no. 03F0777A: WTZ Russland - QUARCCS; Quantifizierung schneller Klimaänderungen in der Arktis: Regionale Rückkopplungen und großskalige Einflüsse
Coverage:
Median Latitude: 78.829908 * Median Longitude: 2.663099 * South-bound Latitude: 78.819170 * West-bound Longitude: -5.347830 * North-bound Latitude: 78.839000 * East-bound Longitude: 8.024830
Date/Time Start: 2011-06-25T19:08:00 * Date/Time End: 2011-07-10T13:06:00
Size:
7 datasets

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