Zervoudaki, Soultana; Christou, Epaminondas; Siokou-Frangou, Ioanna (2008): Copepod ingestion rates on ciliates based on 3 samples taken during April 2000 in the north-eastern Aegean Sea [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.684814
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Related to:
Zervoudaki, Soultana; Christou, Epaminondas; Nielsen, Torkel Gissel; Siokou-Frangou, Ioanna; Assimakopoulou, Georgia; Giannakourou, Antonia; Maar, Marie; Pagou, Kalliopi; Krasakopoulou, Evangelia; Christaki, Urania; Moraitou-Apostolopoulou, Maria (2007): The importance of small-sized copepods in a frontal area of the Aegean Sea. Journal of Plankton Research, 29(4), 317-338, https://doi.org/10.1093/plankt/fbm018
Zervoudaki, Soultana; Nielsen, Torkel Gissel; Christou, Epaminondas; Siokou-Frangou, Ioanna (2006): Zooplankton distribution and diversity in a frontal area of the Aegean Sea. Marine Biology Research, 2(3), 149-168, https://doi.org/10.1080/17451000600702037
Project(s):
Funding:
Fourth Framework Programme (FP4), grant/award no. MAS3970148: Key coastal processes in the mesotropic Skagerrak and the oligotrophic Northern Aegean: a comparative study
Sixth Framework Programme (FP6), grant/award no. 36949: Southern European Seas: Assessing and Modelling Ecosystem Changes
Coverage:
Median Latitude: 39.705464 * Median Longitude: 25.743927 * South-bound Latitude: 39.429200 * West-bound Longitude: 25.733300 * North-bound Latitude: 39.976700 * East-bound Longitude: 25.750000
Date/Time Start: 2000-03-31T13:30:00 * Date/Time End: 2000-04-06T12:00:00
Event(s):
APRIL-2000-K * Latitude Start: 39.429200 * Longitude Start: 25.733300 * Latitude End: 39.976700 * Longitude End: 25.750000 * Date/Time Start: 2000-03-31T00:00:00 * Date/Time End: 2000-04-06T00:00:00 * Campaign: APRIL-2000 * Basis: Aegaeo * Method/Device: MOCNESS opening/closing plankton net (MOC) * Comment: The samplings of zooplankton were taken with the Mockness net. The type of tows was oblique. The Mockness net is comprised of nine nets that have mesh size 200µm, its mouth area is 1m**2 and the net width is 1m. Both opening and closure of the net are achieved automatically through means of a computer (Wiebe et al. 1985). Mockness is manufactured in such a way, so that each tow can be performed at a 45o corner, which is usually achieved when the speed of the vessel equals roughly to 2kn. The filtered water volume was measured by the MOCNESS flow meter.
Comment:
The samplings were taken with the WP-2 closing net (sampling area: 0.255 m**2, mesh size: 200 µm) and the WP-2 modified net (sampling area: 0.196 m**2, mesh size: 45 µm) . The type of tows was vertical. The WP-2 closing net, has mesh size 200?m and net mouth diameter 57cm. The tow speed was 1m/s and the filtered water volume was estimated by the net mouth surface and the towing distance. The WP-2 modified net, has mesh size 45?m and net mouth diameter 50cm. The tow speed was 0.5m/s and the filtered water volume was estimated by the net mouth surface and the towing distance. Sampling volume was estimated by the net mouth surface and the towing distance.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DATE/TIME | Date/Time | Geocode | |||
| 2 | LATITUDE | Latitude | Geocode | |||
| 3 | LONGITUDE | Longitude | Geocode | |||
| 4 | Sample code/label | Sample label | Zervoudaki, Soultana | |||
| 5 | Species | Species | Zervoudaki, Soultana | |||
| 6 | Ingestion rate of carbon per day per individual | IR C/day/ind | µg/#/day | Zervoudaki, Soultana | In vitro incubation (Frost, 1972) | Copepods for the experiments were obtained with slow non-quantitative tows from the upper 50 m layer of the water column using 200 µm and 45 µm mesh size nets fitted with a large non-filtering cod end. For the grazing experiments we used the following copepod species: Centropages typicus, Acartia clausi, Calanus helgolandicus, Paracalanus parvus, Oithona similis and Oncaea media according to the relevant reference (Båmstedt et al. 2000). Copepod clearance rates on ciliates were calculated according to Frost equations (Frost 1972). Ingestion rates were calculated by multiplying clearance rates by the initial standing stocks (Båmstedt et al. 2000). |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
33 data points