Mel'nikov, Igor A (1976): Microplankton abundance and biomass in the Eastern Pacific [dataset publication series]. P.P. Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow, PANGAEA, https://doi.org/10.1594/PANGAEA.742567, Supplement to: Mel'nikov, IA (1976): Microplankton and organic detritus in the Southeastern Pacific. Oceanology, 16, 103-110
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Abstract:
Particles of detritus were counted by size-groups and microplankton cells in samples stained with acid fuchsin and acridine orange. Data were obtained for eutrophic and oligotrophic waters. Seston in the eutrophic layer of eutrophic waters consists of 22-65% phytoplankton, 3-18% microzooplankton, and 32-65% detritus; in oligotrophic waters - of 3-7% phytoplankton, 1-5% microzooplankton, and 92-97% detritus. Amount of detritus in seston increases with depth up to 4.4 µg C/l (sigma = 1.48) at 500-4000 m. Microplankton biomass in deep water contains mostly olive-green cells and bacteria; no microzooplankton <200 µm long was found below 200 m. Aggregates 10-50 µm in diameter and fragments of organisms 50-200 µm long were dominant by weight among detrital particles. No discernible associations of microorganisms with detrital particles were observed.
Project(s):
Archive of Ocean Data (ARCOD)
Coverage:
Median Latitude: -1.777853 * Median Longitude: -109.879289 * South-bound Latitude: -12.550000 * West-bound Longitude: -130.716700 * North-bound Latitude: 7.883300 * East-bound Longitude: -78.706700
Event(s):
DM8-530 * Latitude: -2.185000 * Longitude: -101.565000 * Campaign: DM8 * Basis: Dmitry Mendeleev * Method/Device: Multiple investigations (MULT)
DM8-542 * Latitude: -10.550000 * Longitude: -79.966700 * Elevation: -6250.0 m * Location: Southeast Pacific * Campaign: DM8 * Basis: Dmitry Mendeleev * Method/Device: Grab (GRAB)
DM8-544 * Latitude: -9.966700 * Longitude: -79.433300 * Elevation: -1059.0 m * Location: Southeast Pacific * Campaign: DM8 * Basis: Dmitry Mendeleev * Method/Device: Grab (GRAB)
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
3 datasets
Download Data
Datasets listed in this publication series
- Mel'nikov, IA (1976): (Table 1) Microplankton biomass and concentration of organic detritus in the Eastern Pacific. https://doi.org/10.1594/PANGAEA.742564
- Mel'nikov, IA (1976): (Table 2) Abundance of main constituents of microplankton in 0-150 m water layer in the Eastern Pacific. https://doi.org/10.1594/PANGAEA.742565
- Mel'nikov, IA (1976): (Table 3) Biomass of olive-green cells and bacteria in Pacific waters below the euphotic zone. https://doi.org/10.1594/PANGAEA.742566