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Faubel, Anno; Hartwig, Eike; Thiel, Hjalmar (1983): The distribution of meiofauna in surface sediments of the Fladen Ground, North Sea [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.609973, Supplement to: Faubel, A et al. (1983): On the ecology of the benthos of sublittoral sediments, Fladen Ground, North Sea. I. Meiofauna standing stock and estimation of production. Meteor Forschungsergebnisse, Deutsche Forschungsgemeinschaft, Reihe D Biologie, Gebrüder Bornträger, Berlin, Stuttgart, D36, 35-48

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Abstract:
A general study of structure, biomass, and dynamic estimates on meiofauna was carried out during PREFLEX (1975) and FLEX (1976), in 117- 141 m water depth. On the basis of these data an attempt was made to estimate meiofauna production, and this is discussed in relation to the energy input from the spring phytoplankton bloom.
Sampling was performed at five stations, but only the stations 1, 4, and 5 were covered by a complete series from August 1975 to July 1976. At each station, from four replicate box core samples, two were withdrawn to study the abundance, distribution, and biomass of meiofauna, the content of chloroplastic pigment equivalents (CPE), and chemical and grain size analyses.
At all stations grain size fell in the range of fine sand having median diameters (MD) of < 125 µm. From station 1 to 5 an increase in MD was observed. Highest values of CPE (7.81 µg m l**-1) and organic matter (4.7 %) were obtained in June and July (1976)/ August (1975), respectively.
Meiofauna abundance was fairly uniform at all stations examined. Station 1 displayed maximal numbers during the whole investigation period. The abundance per 100 cm**2 varied between 15,550 and 34,900 organisms.
All meiofauna studied both in total and as separate taxa showed annual cycles of abundance. Low abundance values were recorded during early summer, and maximum values during winter. High numbers of Foraminifera were obtained for August 1975 (9,460 per 100 cm**2) and July 1976 (9,710 per 100 cm**2). From December to June the values decreased from 3,280 to 1,030 per 100 cm**2.
At station 1 maximum values of meiofauna biomass were recorded ranging from 1.5 to 2.7 g DWT m**-2. The mean meiofauna dry weight amounted to 2.1 g DWT m**-2. Based on minimum production, the P/B ratio for the area of station 1 might have a mean of 1.4. Taking into consideration generation times we believe that a turnover ratio of 2 is a conservative value for the Fladen Ground meiofauna. The annual production would amount to 4.2 g DWT m**-2 yr**-1. This is 27.5 % of the energy supply during the spring phytoplankton bloom, which is channelled into the meiofauna.
The hypothesis is put forward that the energetic strategy of deep offshore meiofauna differs distinctively from that of shallow inshore meiofauna. While the shallow inshore meiofauna show a relatively fast response to organic matter input, the deep offshore meiofauna reacts much more slowly, the food energy consumption seems to be spread out over a longer period.
Coverage:
Median Latitude: 58.691030 * Median Longitude: 0.741714 * South-bound Latitude: 58.333300 * West-bound Longitude: 0.116700 * North-bound Latitude: 59.083300 * East-bound Longitude: 1.350000
Date/Time Start: 1975-08-01T00:00:00 * Date/Time End: 1976-07-13T00:00:00
Event(s):
Gauss_03_1976_001-1 (Fladen Ground 1) * Latitude: 58.333300 * Longitude: 0.116700 * Date/Time: 1976-03-03T00:00:00 * Elevation: -134.0 m * Location: North Sea * Method/Device: Box corer (Reineck) (BCR)
Gauss_03_1976_004-1 (Fladen Ground 4) * Latitude: 58.733300 * Longitude: 0.916700 * Date/Time: 1976-03-03T00:00:00 * Elevation: -134.0 m * Location: North Sea * Method/Device: Box corer (Reineck) (BCR)
Gauss_03_1976_005-1 (Fladen Ground 5) * Latitude: 59.083300 * Longitude: 1.350000 * Date/Time: 1976-03-03T00:00:00 * Elevation: -117.0 m * Location: North Sea * Method/Device: Box corer (Reineck) (BCR)
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
16 datasets

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Datasets listed in this publication series

  1. Faubel, A; Hartwig, E; Thiel, H (1983): Numbers and dry weights of meiobenthos taxa in surface sediments at Fladen Ground station 1, North Sea (Table 6). https://doi.org/10.1594/PANGAEA.609972
  2. Faubel, A; Hartwig, E; Thiel, H (1983): Abundance and composition of meiobenthos in surface sediments at Fladen Ground stations in August 1975, North Sea (Table 4). https://doi.org/10.1594/PANGAEA.609970
  3. Faubel, A; Hartwig, E; Thiel, H (1983): Distribution of chloroplastic pigment equivalents in surface sediments at Fladen Ground stations, North Sea (Table 3). https://doi.org/10.1594/PANGAEA.609969
  4. Faubel, A; Hartwig, E; Thiel, H (1983): Abundance of meiobenthos in surface sediments at Fladen Ground stations, North Sea (Table 5). https://doi.org/10.1594/PANGAEA.609971
  5. Faubel, A; Hartwig, E; Thiel, H (1983): Vertical distribution of temperature, pH, Eh, and organic matter in sediment core Gauss_03_1976_001, Fladen Ground station 1, North Sea (Table 2). https://doi.org/10.1594/PANGAEA.609909
  6. Faubel, A; Hartwig, E; Thiel, H (1983): Vertical distribution of temperature, pH, Eh, and organic matter in sediment core Gauss_03_1976_004, Fladen Ground station 4, North Sea (Table 2). https://doi.org/10.1594/PANGAEA.609910
  7. Faubel, A; Hartwig, E; Thiel, H (1983): Vertical distribution of temperature, pH, Eh, and organic matter in sediment core Gauss_03_1976_005, Fladen Ground station 5, North Sea (Table 2). https://doi.org/10.1594/PANGAEA.609911
  8. Faubel, A; Hartwig, E; Thiel, H (1983): Vertical distribution of temperature, and organic matter in sediment core Gauss_04_1976_001, Fladen Ground station 1, North Sea (Table 2). https://doi.org/10.1594/PANGAEA.609912
  9. Faubel, A; Hartwig, E; Thiel, H (1983): Vertical distribution of temperature, and organic matter in sediment core Gauss_04_1976_004, Fladen Ground station 4, North Sea (Table 2). https://doi.org/10.1594/PANGAEA.609913
  10. Faubel, A; Hartwig, E; Thiel, H (1983): Vertical distribution of temperature, and organic matter in sediment core Gauss_04_1976_005, Fladen Ground station 5, North Sea (Table 2). https://doi.org/10.1594/PANGAEA.609914
  11. Faubel, A; Hartwig, E; Thiel, H (1983): Vertical distribution of temperature, pH, Eh, and organic matter in sediment core Gauss_07_1976_001, Fladen Ground station 1, North Sea (Table 2). https://doi.org/10.1594/PANGAEA.609915
  12. Faubel, A; Hartwig, E; Thiel, H (1983): Vertical distribution of temperature, pH, Eh, and organic matter in sediment core Gauss_07_1976_004, Fladen Ground station 4, North Sea (Table 2). https://doi.org/10.1594/PANGAEA.609916
  13. Faubel, A; Hartwig, E; Thiel, H (1983): Vertical distribution of temperature, pH, Eh, and organic matter in sediment core Gauss_07_1976_005, Fladen Ground station 5, North Sea (Table 2). https://doi.org/10.1594/PANGAEA.609917
  14. Faubel, A; Hartwig, E; Thiel, H (1983): Vertical distribution of temperature, pH, Eh, and organic matter in sediment core M38a_001, Fladen Ground station 1, North Sea (Table 2). https://doi.org/10.1594/PANGAEA.609918
  15. Faubel, A; Hartwig, E; Thiel, H (1983): Vertical distribution of temperature, pH, Eh, and organic matter in sediment core M38a_004, Fladen Ground station 4, North Sea (Table 2). https://doi.org/10.1594/PANGAEA.609919
  16. Faubel, A; Hartwig, E; Thiel, H (1983): Vertical distribution of temperature, pH, Eh, and organic matter in sediment core M38a_005, Fladen Ground station 5, North Sea (Table 2). https://doi.org/10.1594/PANGAEA.609920