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Bode, Antonio; Mompeán, Carmen; Lamas, Ángel F (2021): Stable C and N isotope data for mesozooplankton samples unpreserved and preserved in formalin [dataset]. PANGAEA,

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The values of carbon and nitrogen content, and natural abundance of stable isotopes were measured in mesozooplankton samples from two shelf stations off A Coruña (NW Spain) at monthly frequency during 2000-2001 and 2006-2009. The objective was to compare the composition values of unpreserved with those of preserved samples. Samples were collected approximately at noon with double oblique hauls with Juday-Bogorov or Bongo nets (50 cm diameter, 200 µm mesh-size) from the surface to 50 m depth or near bottom (shallower station). Each sample was divided with a Folsom splitter in two aliquots: one was dried immediately (50°C, 48 h) and the other was preserved in formalin (borate-buffered formaldehyde, 4% final concentration). The dried samples were grinded and analysed using an isotope-ratio mass spectrometer coupled to an elemental analyser within one year of collection. The preserved samples were stored for up to 10 years before analysis as with the unpreserved samples. In addition the contributions of copepods to total dry weight biomass was estimated from species abundance values determined by microscopical examination and the values and factors from the literature (Wiebe, 1988; Bode et al., 2012; Acuña et al., 2014).
C:N; copepods; formalin; mesozooplankton; Stable isotopes
Supplement to:
Bode, Antonio; Otero, Jaime; Lamas, Ángel F; Mompeán, Carmen (2023): Use of formalin-preserved collections to infer trophic indicators of marine zooplankton from stable isotopes. Diversity, 15(3), 459,
Further details:
Acuña, José Luis; Lopez-Urrutia, Angel; Colin, Sean (2014): Data compilation of marine pelagic organism biomasses, swimming velocities, clearance and respiration rates [dataset publication series]. PANGAEA,
Bode, Antonio; Alvarez-Ossorio, María Teresa; Miranda, Ana; Lopez-Urrutia, Angel; Valdés, Luis (2012): Comparing copepod time-series in the north of Spain: Spatial autocorrelation of community composition. Progress in Oceanography, 97-100, 108-119,
Wiebe, Peter (1988): Functional regression equations for zooplankton displacement volume, wet weight, dry weight, and carbon: a correction. Fishery Bulletin, 86(4), 833-835
Median Latitude: 43.392497 * Median Longitude: -8.403330 * South-bound Latitude: 43.363333 * West-bound Longitude: -8.436660 * North-bound Latitude: 43.421660 * East-bound Longitude: -8.370000
Date/Time Start: 2000-01-11T00:00:00 * Date/Time End: 2009-10-29T00:00:00
Minimum DEPTH, water: m * Maximum DEPTH, water: 50 m
E2CO_MESO_PLA * Latitude: 43.421660 * Longitude: -8.436660 * Date/Time Start: 1990-01-21T12:00:00 * Date/Time End: 2018-12-11T12:00:00 * Elevation: -80.0 m * Location: Galicia Margin * Method/Device: Juday net (JUDAY)
E4CO_MESO_PLA * Latitude: 43.363333 * Longitude: -8.370000 * Date/Time Start: 2006-02-09T00:00:00 * Date/Time End: 2007-01-29T00:00:00 * Elevation: -20.0 m * Location: Galicia Margin * Method/Device: Juday net (JUDAY)
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventBode, Antonio
2Station labelStationBode, Antonio
3Latitude of eventLatitudeBode, Antonio
4Longitude of eventLongitudeBode, Antonio
5DATE/TIMEDate/TimeBode, AntonioGeocode
6DEPTH, waterDepth watermBode, AntonioGeocode – min
7DEPTH, waterDepth watermBode, AntonioGeocode – max
8Time in daysTimedaysBode, Antonioformalin storage
9CopepodaCopepoda%Bode, AntonioCalculatedbiomass of total biomass (dry weight)
10δ13Cδ13C‰ PDBBode, AntonioElemental analyser - isotope ratio mass spectrometryformalin
11δ15Nδ15N‰ airBode, AntonioElemental analyser - isotope ratio mass spectrometryformalin
12Carbon/Nitrogen ratioC/Nmol/molBode, AntonioCalculatedformalin
13δ13Cδ13C‰ PDBBode, AntonioElemental analyser - isotope ratio mass spectrometrydried
14δ15Nδ15N‰ airBode, AntonioElemental analyser - isotope ratio mass spectrometrydried
15Carbon/Nitrogen ratioC/Nmol/molBode, AntonioCalculateddried
Curation Level: Enhanced curation (CurationLevelC)
783 data points

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