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Schröder, Alexander; Rachor, Eike (2007): Abundance and biomass of in- and epibenthic invertebrate macrofauna in the German Bight from 1969 to 2000 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.667646

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Abstract:
In order to examine the long-term development of offshore macrozoobenthic soft-bottom communities of the German Bight, four representative permanent stations (MZB-SSd, -FSd, -Slt, -WB) have been sampled continuously since 1969. Inter-annual variability and possible long-term trends were analysed based on spring-time samples from 1969 until 2000. This is part of the ecological long-term series of the AWI and is supplemented by periodic large-scale mapping of the benthos.
The main factors influencing the development of the benthic communities are biological interactions, climate, food supply (eutrophication) and the disturbance regime. The most frequent disturbances are sediment relocations during strong storms or by bottom trawling, while occasional oxygen deficiencies and extremely cold winters are important disturbance events working on a much larger scale.
Benthic communities at the sampling stations show a large inter-annual variability combined with a variation on a roughly decadal scale. In accordance with large-scale system shifts reported for the North Sea, benthic community transitions occurred between roughly the 1970ies, 80ies and 90ies. The transitions between periods are not distinctly marked by strong changes but rather reflected in gradual changes of the species composition and dominance structure.
Related to:
Dannheim, Jennifer; Beermann, Jan; Gutow, Lars; Schröder, Alexander (2024): LTER Benthos – German Bight: Long-term ecological research of benthos in the German Bight (2001 et seq). PANGAEA, https://doi.org/10.1594/PANGAEA.965088
Rachor, Eike (1990): Changes in sublittoral zoobenthos in the German Bight with regard to eutrophication. Netherlands Journal of Sea Research, 25(1-2), 209-214, https://doi.org/10.1016/0077-7579(90)90022-9
Schröder, Alexander (2005): Community dynamics and development of soft bottom macrozoobenthos in the German Bight (North Sea) 1969 - 2000 (Dynamik und Entwicklung makrozoobenthischer Weichbodengemeinschaften in der Deutschen Bucht (Nordsee) 1969 -2000). Berichte zur Polar- und Meeresforschung = Reports on Polar and Marine Research, 494, 181 pp, https://doi.org/10.2312/BzPM_0494_2005
Project(s):
Macrobenthic long-term series in the German Bight (LTER_Benthos)
Coverage:
Median Latitude: 54.360417 * Median Longitude: 7.504167 * South-bound Latitude: 54.016667 * West-bound Longitude: 6.500000 * North-bound Latitude: 55.000000 * East-bound Longitude: 8.083333
Date/Time Start: 1969-04-28T15:15:00 * Date/Time End: 2000-04-11T15:25:00
Event(s):
MZB-FSd (FSd) * Latitude: 54.375000 * Longitude: 7.616667 * Elevation: -26.0 m * Location: German Bight, North Sea * Campaign: Long-term time series North Sea * Comment: Sediment type: fine sand; grain size: ~ 180 µm; silt and clay (< 63 µm): < 1 %
MZB-Slt (H1) * Latitude: 54.050000 * Longitude: 8.083333 * Elevation: -23.0 m * Location: German Bight, North Sea * Campaign: Long-term time series North Sea * Comment: Sediment type: silt; grain size: ~ 70 µm; silt and clay (< 63 µm): ~ 40 %
MZB-SSd (P12) * Latitude: 54.016667 * Longitude: 7.816667 * Elevation: -36.0 m * Location: German Bight, North Sea * Campaign: Long-term time series North Sea * Comment: Sediment type: silty sand; grain size: ~ 83 µm; silt and clay (< 63 µm): ~ 25%
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
8 datasets

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Datasets listed in this publication series

  1. Schröder, A; Rachor, E (2007): Abundance of in- and epibenthic invertebrate macrofauna in the German Bight at site MZB-FSd. https://doi.org/10.1594/PANGAEA.667187
  2. Schröder, A; Rachor, E (2007): Biomass of in- and epibenthic invertebrate macrofauna in the German Bight at site MZB-FSd. https://doi.org/10.1594/PANGAEA.667105
  3. Schröder, A; Rachor, E (2007): Abundance of in- and epibenthic invertebrate macrofauna in the German Bight at site MZB-Slt. https://doi.org/10.1594/PANGAEA.667188
  4. Schröder, A; Rachor, E (2007): Biomass of in- and epibenthic invertebrate macrofauna in the German Bight at site MZB-Slt. https://doi.org/10.1594/PANGAEA.667176
  5. Schröder, A; Rachor, E (2007): Abundance of in- and epibenthic invertebrate macrofauna in the German Bight at site MZB-SSd. https://doi.org/10.1594/PANGAEA.667189
  6. Schröder, A; Rachor, E (2007): Biomass of in- and epibenthic invertebrate macrofauna in the German Bight at site MZB-SSd. https://doi.org/10.1594/PANGAEA.667182
  7. Schröder, A; Rachor, E (2007): Abundance of in- and epibenthic invertebrate macrofauna in the German Bight at site MZB-WB. https://doi.org/10.1594/PANGAEA.667190
  8. Schröder, A; Rachor, E (2007): Biomass of in- and epibenthic invertebrate macrofauna in the German Bight at site MZB-WB. https://doi.org/10.1594/PANGAEA.667184