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Heinz, Petra; Hemleben, Christoph (2006): Living benthic foraminifera of the western and southern Arabian Sea. PANGAEA,, Supplement to: Heinz, P; Hemleben, C (2006): Foraminiferal response to the Northeast Monsoon in the western and southern Arabian Sea. Marine Micropaleontology, 58(2), 103-113,

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Sediments from the western and southern part of the Arabian Sea were collected periodically in the spring intermonsoon between March and May 1997 and additionally at the end of the Northeast Monsoon in February 1998. Assemblages of Rose Bengal stained, living deep-sea benthic foraminifera, their densities, vertical distribution pattern, and diversity were analysed after the Northeast Monsoon and short-time changes were recorded. In the western Arabian Sea, foraminiferal numbers increased steadily between March and the beginning of May, especially in the smaller size classes (30-63 µm, 63-125 µm). At the same time, the deepening of the foraminiferal living horizon, variable diversity and rapid variations between dominant foraminiferal communities were observed. We interpret these observations as the time-dependent response of benthic foraminifera to enhanced organic carbon fluxes during and after the Northeast Monsoon. In the southern Arabian Sea, constant low foraminiferal abundances during time, no distinctive change in the vertical distribution, reduced diversity, and more stable foraminiferal communities were noticed, which indicates no or little influence of the Northeast Monsoon to benthic foraminifera in this region.
Biogeochemical Fluxes of Matter and Energy in the Deep Sea (BIGSET)
Median Latitude: 14.849032 * Median Longitude: 61.077305 * South-bound Latitude: 10.033333 * West-bound Longitude: 59.765000 * North-bound Latitude: 16.228467 * East-bound Longitude: 65.003000
Date/Time Start: 1997-03-08T14:21:00 * Date/Time End: 1998-02-11T01:38:00
SO117_MC464 (7/30) * Latitude: 10.160833 * Longitude: 65.003000 * Date/Time: 1997-03-08T14:21:00 * Elevation: -4420.0 m * Location: Arabian Sea * Campaign: SO117 (JGOFS-IN-1) * Basis: Sonne * Device: MultiCorer (MUC) * Comment: SAST (= Southern Arabian Sediment Trap)
SO117_MC468 (23/25) * Latitude: 16.228467 * Longitude: 60.171717 * Date/Time: 1997-03-26T04:17:00 * Elevation: -4032.0 m * Location: Arabian Sea * Campaign: SO117 (JGOFS-IN-1) * Basis: Sonne * Device: MultiCorer (MUC) * Comment: WAST (= Western Arabian Sediment Trap)
SO117_MC469 (24/03) * Latitude: 16.175667 * Longitude: 59.767167 * Date/Time: 1997-03-27T09:00:00 * Elevation: -1909.0 m * Recovery: 0.2 m * Location: Arabian Sea * Campaign: SO117 (JGOFS-IN-1) * Basis: Sonne * Device: MultiCorer (MUC) * Comment: WAST-T (= Western Arabian Sediment Trap Top)
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