Paulsen, Maria Lund; Riisgaard, Karen; Nielsen, Torkel Gissel (2014): Abundance of pico- and nanophytoplankton during the Meteor cruise M87/1 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.839416
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Abstract:
In temperate, subpolar and polar marine systems, the classical perception is that diatoms initiate the spring bloom and thereby mark the beginning of the productive season. Contrary to this view, here we document an pre-bloom of pico- and nanophytoplankton prior to the diatom bloom; a period with excess nutrients and deep convection of the water column. During repeated visits to stations in the deep Icelandic and the Norwegian Basins and the shallow Shetland Shelf (26 March to 29 April 2012), we investigated the succession and dynamics of <10 µm phytoplankton. Water samples were collected from CTD rosette 10 L Niskin bottles and fixed in glutaraldehyde (final conc. 5%), flash frozen in liquid Nitrogen and stored at -80°C until analysis.
Project(s):
Basin Scale Analysis, Synthesis and Integration (EURO-BASIN)
Funding:
Seventh Framework Programme (FP7), grant/award no. 264933: Basin Scale Analysis, Synthesis and Integration
Coverage:
Median Latitude: 61.697397 * Median Longitude: -5.065340 * South-bound Latitude: 60.332500 * West-bound Longitude: -11.001000 * North-bound Latitude: 62.833667 * East-bound Longitude: 1.000167
Date/Time Start: 2012-03-26T03:43:00 * Date/Time End: 2012-04-29T03:41:00
Minimum DEPTH, water: 5 m * Maximum DEPTH, water: 1339 m
Event(s):
M87/1_421-1 (Station 1) * Latitude Start: 61.500333 * Longitude Start: -10.999833 * Latitude End: 61.500000 * Longitude End: -10.999833 * Date/Time Start: 2012-03-26T03:43:00 * Date/Time End: 2012-03-26T04:59:00 * Elevation: 0.0 m * Campaign: M87/1a (Deep Convection Cruise) * Basis: Meteor (1986) * Method/Device: CTD/Rosette (CTD-RO)
M87/1_440-1 (Station 1) * Latitude Start: 61.500000 * Longitude Start: -10.999833 * Latitude End: 61.500000 * Longitude End: -10.999833 * Date/Time Start: 2012-03-28T04:06:00 * Date/Time End: 2012-03-28T05:30:00 * Elevation: 0.0 m * Campaign: M87/1a (Deep Convection Cruise) * Basis: Meteor (1986) * Method/Device: CTD/Rosette (CTD-RO)
M87/1_449-1 (Station 2) * Latitude Start: 62.833167 * Longitude Start: -2.499500 * Latitude End: 62.833333 * Longitude End: -2.499667 * Date/Time Start: 2012-03-30T09:30:00 * Date/Time End: 2012-03-30T10:16:00 * Elevation: 0.0 m * Campaign: M87/1a (Deep Convection Cruise) * Basis: Meteor (1986) * Method/Device: CTD/Rosette (CTD-RO)
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Optional event label | Event 2 | ||||
| 3 | Latitude of event | Latitude | ||||
| 4 | Longitude of event | Longitude | ||||
| 5 | Date/Time of event | Date/Time | ||||
| 6 | DEPTH, water | Depth water | m | Geocode | ||
| 7 | Picophytoplankton | Picophytopl | #/ml | Paulsen, Maria Lund | < 2 µm of picoeukaryotes and Synechoccous sp. | |
| 8 | Nanophytoplankton | Nanophytopl | #/l | Paulsen, Maria Lund | FACSCalibur flow-cytometer (Becton Dickinson) | size fraction: 2-5 µm |
| 9 | Nanophytoplankton | Nanophytopl | #/l | Paulsen, Maria Lund | FACSCalibur flow-cytometer (Becton Dickinson) | size fraction: 5-10 µm |
| 10 | Synechococcus | Synechococcus | #/ml | Paulsen, Maria Lund | FACSCalibur flow-cytometer (Becton Dickinson) |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
676 data points