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Zeitzschel, Bernt (1969): Tintinnids of the western Arabian Sea [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.605275, Supplement to: Zeitzschel, B (1969): Tintinnen des westlichen Arabischen Meeres, ihre Bedeutung als Indikatoren für Wasserkörper und Glied der Nahrungskette. Meteor Forschungsergebnisse, Deutsche Forschungsgemeinschaft, Reihe D Biologie, Gebrüder Bornträger, Berlin, Stuttgart, D4, 47-101

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Abstract:
The results of an investigation of tintinnids from the western Arabian Sea are described. A total of 134 closing-net samples was obtained from 22 stations of the German "Meteor" expedition 1964/1965. Distribution charts of the dominant species of tintinnids from the study area are presented as well as a list of the world-wide distribution of these species as derived from the literature.
Tintinnids were most abundant in the surface waters. The layer from 0 - 25 m yielded a maximum 94.3% and a minimum of 61.3% of the tintinnids present from 0 - 175 m; the mean was 80%.
There was no significant difference in the vertical distribution between day and night stations nor was there any indication of the influence of the thermocline upon vertical distribution of tintinnids.
TS-diagrams show different water types in the western Arabian Sea. Temperatur-salinity-tintinnid –diagrams indicate regional patterns in the distribution of various species of tintinnids. Some tintinnids can be used as indicator species: Climacocylis scalaria, Parundella lohmanni and Amphorella amphora were typical for the Somali Current whereas Rhabdonella apophysata and Branditella palliata indicated the presence of East African Coastal Current water. The concentration of tintinnids in the upper 25 m raged between 4,800 and 39,300 individuals/m**3 (mean 19,000/m**3).
Plasma volume of tintinnids was calculated to permit comparison of different links in the food chain. There was a mean of 51 mm**3/m**2 in the upper layer, equivalent to a concentration of 2 mm**3/m**3. Carbon values were computed from the plasma volume of tintinnids, phytoplankton and larger zooplankton. The ratio of phytoplankton plus microzooplankton carbon to large zooplankton carbon was 1 : 0.8 in the Somali Current, 1 : 0.4 in the East African Coastal Current and 1 : 1.2 in the mixing zone of these current systems. Tintinnids are one of the first links in the food chain. It is very likely that a part of the organic detritus and of the nanoplankton is transfered to large herbivores or omnivores via tintinnids and other protozoans. This mechanism might be especially effective during seasons when large phytoplankters are not available in the ocean.
Coverage:
Median Latitude: 3.365890 * Median Longitude: 48.544649 * South-bound Latitude: -5.013333 * West-bound Longitude: 41.366000 * North-bound Latitude: 11.565000 * East-bound Longitude: 54.418333
Date/Time Start: 1964-12-18T15:00:00 * Date/Time End: 1965-01-28T00:50:00
Event(s):
M1_NET096 (M1_096) * Latitude: 11.320000 * Longitude: 49.000000 * Date/Time: 1964-12-18T15:00:00 * Elevation: -592.0 m * Location: Arabian Sea * Campaign: M1 (IIOE - International Indian Ocean Expedition) * Basis: Meteor (1964) * Method/Device: Indian Ocean Standard Net (IOSN)
M1_NET102 (M1_102) * Latitude: 11.565000 * Longitude: 52.900000 * Date/Time: 1964-12-20T04:10:00 * Elevation Start: -337.0 m * Elevation End: -175.0 m * Location: Arabian Sea * Campaign: M1 (IIOE - International Indian Ocean Expedition) * Basis: Meteor (1964) * Method/Device: Indian Ocean Standard Net (IOSN)
M1_NET104 (M1_104) * Latitude: 11.356667 * Longitude: 53.183333 * Date/Time: 1964-12-20T17:20:00 * Elevation Start: -1999.0 m * Elevation End: -1581.0 m * Location: Arabian Sea * Campaign: M1 (IIOE - International Indian Ocean Expedition) * Basis: Meteor (1964) * Method/Device: Indian Ocean Standard Net (IOSN)
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
39 datasets

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Datasets listed in this publication series

  1. Zeitzschel, B (1969): Abundance, calculated plasma, and biomass carbon of tinntinids of the western Arabian Sea (Table 4). https://doi.org/10.1594/PANGAEA.605246
  2. Zeitzschel, B (1969): Dominant species abundance of tintinnids of station M1_NET096, western Arabian Sea (Plate 19). https://doi.org/10.1594/PANGAEA.605252
  3. Zeitzschel, B (1969): Abundance of tintinnids at station M1_NET096 of the western Arabian Sea (Table 3). https://doi.org/10.1594/PANGAEA.605227
  4. Zeitzschel, B (1969): Dominant species abundance of tintinnids of station M1_NET102, western Arabian Sea (Plate 19). https://doi.org/10.1594/PANGAEA.605253
  5. Zeitzschel, B (1969): Abundance of tintinnids at station M1_NET102 of the western Arabian Sea (Table 3). https://doi.org/10.1594/PANGAEA.605228
  6. Zeitzschel, B (1969): Dominant species abundance of tintinnids of station M1_NET104, western Arabian Sea (Plate 19). https://doi.org/10.1594/PANGAEA.605254
  7. Zeitzschel, B (1969): Abundance of tintinnids at station M1_NET104 of the western Arabian Sea (Table 3). https://doi.org/10.1594/PANGAEA.605229
  8. Zeitzschel, B (1969): Dominant species abundance of tintinnids of station M1_NET106, western Arabian Sea (Plate 19). https://doi.org/10.1594/PANGAEA.605255
  9. Zeitzschel, B (1969): Abundance of tintinnids at station M1_NET106 of the western Arabian Sea (Table 3). https://doi.org/10.1594/PANGAEA.605230
  10. Zeitzschel, B (1969): Dominant species abundance of tintinnids of station M1_NET108, western Arabian Sea (Plate 19). https://doi.org/10.1594/PANGAEA.605256
  11. Zeitzschel, B (1969): Abundance of tintinnids at station M1_NET108 of the western Arabian Sea (Table 3). https://doi.org/10.1594/PANGAEA.605231
  12. Zeitzschel, B (1969): Dominant species abundance of tintinnids of station M1_NET114, western Arabian Sea (Plate 19). https://doi.org/10.1594/PANGAEA.605257
  13. Zeitzschel, B (1969): Abundance of tintinnids at station M1_NET114 of the western Arabian Sea (Table 3). https://doi.org/10.1594/PANGAEA.605232
  14. Zeitzschel, B (1969): Dominant species abundance of tintinnids of station M1_NET116, western Arabian Sea (Plate 19). https://doi.org/10.1594/PANGAEA.605258
  15. Zeitzschel, B (1969): Abundance of tintinnids at station M1_NET116 of the western Arabian Sea (Table 3). https://doi.org/10.1594/PANGAEA.605233
  16. Zeitzschel, B (1969): Dominant species abundance of tintinnids of station M1_NET126, western Arabian Sea (Plate 20). https://doi.org/10.1594/PANGAEA.605259
  17. Zeitzschel, B (1969): Abundance of tintinnids at station M1_NET126 of the western Arabian Sea (Table 3). https://doi.org/10.1594/PANGAEA.605234
  18. Zeitzschel, B (1969): Dominant species abundance of tintinnids of station M1_NET128, western Arabian Sea (Plate 20). https://doi.org/10.1594/PANGAEA.605260
  19. Zeitzschel, B (1969): Abundance of tintinnids at station M1_NET128 of the western Arabian Sea (Table 3). https://doi.org/10.1594/PANGAEA.605235
  20. Zeitzschel, B (1969): Dominant species abundance of tintinnids of station M1_NET132, western Arabian Sea (Plate 20). https://doi.org/10.1594/PANGAEA.605261
  21. Zeitzschel, B (1969): Abundance of tintinnids at station M1_NET132 of the western Arabian Sea (Table 3). https://doi.org/10.1594/PANGAEA.605236
  22. Zeitzschel, B (1969): Dominant species abundance of tintinnids of station M1_NET134, western Arabian Sea (Plate 20). https://doi.org/10.1594/PANGAEA.605262
  23. Zeitzschel, B (1969): Abundance of tintinnids at station M1_NET134 of the western Arabian Sea (Table 3). https://doi.org/10.1594/PANGAEA.605237
  24. Zeitzschel, B (1969): Dominant species abundance of tintinnids of station M1_NET149, western Arabian Sea (Plate 20). https://doi.org/10.1594/PANGAEA.605263
  25. Zeitzschel, B (1969): Abundance of tintinnids at station M1_NET149 of the western Arabian Sea (Table 3). https://doi.org/10.1594/PANGAEA.611519
  26. Zeitzschel, B (1969): Dominant species abundance of tintinnids of station M1_NET151, western Arabian Sea (Plate 20). https://doi.org/10.1594/PANGAEA.605264
  27. Zeitzschel, B (1969): Abundance of tintinnids at station M1_NET151 of the western Arabian Sea (Table 3). https://doi.org/10.1594/PANGAEA.605239
  28. Zeitzschel, B (1969): Dominant species abundance of tintinnids of station M1_NET155, western Arabian Sea (Plate 20). https://doi.org/10.1594/PANGAEA.605265
  29. Zeitzschel, B (1969): Abundance of tintinnids at station M1_NET155 of the western Arabian Sea (Table 3). https://doi.org/10.1594/PANGAEA.605240
  30. Zeitzschel, B (1969): Dominant species abundance of tintinnids of station M1_NET157, western Arabian Sea (Plate 21). https://doi.org/10.1594/PANGAEA.605266
  31. Zeitzschel, B (1969): Abundance of tintinnids at station M1_NET157 of the western Arabian Sea (Table 3). https://doi.org/10.1594/PANGAEA.605241
  32. Zeitzschel, B (1969): Dominant species abundance of tintinnids of station M1_NET165, western Arabian Sea (Plate 21). https://doi.org/10.1594/PANGAEA.605267
  33. Zeitzschel, B (1969): Abundance of tintinnids at station M1_NET165 of the western Arabian Sea (Table 3). https://doi.org/10.1594/PANGAEA.605242
  34. Zeitzschel, B (1969): Dominant species abundance of tintinnids of station M1_NET167, western Arabian Sea (Plate 21). https://doi.org/10.1594/PANGAEA.605268
  35. Zeitzschel, B (1969): Abundance of tintinnids at station M1_NET167 of the western Arabian Sea (Table 3). https://doi.org/10.1594/PANGAEA.605243
  36. Zeitzschel, B (1969): Dominant species abundance of tintinnids of station M1_NET168, western Arabian Sea (Plate 21). https://doi.org/10.1594/PANGAEA.605269
  37. Zeitzschel, B (1969): Abundance of tintinnids at station M1_NET168 of the western Arabian Sea (Table 3). https://doi.org/10.1594/PANGAEA.605244
  38. Zeitzschel, B (1969): Dominant species abundance of tintinnids of station M1_NET169, western Arabian Sea (Plate 21). https://doi.org/10.1594/PANGAEA.605270
  39. Zeitzschel, B (1969): Abundance of tintinnids at station M1_NET169 of the western Arabian Sea (Table 3). https://doi.org/10.1594/PANGAEA.605245