Phospholipids in sediments of the deep Arabian Sea
Eight different sites from 2300 to 4420 m water depth in the Arabian Sea were sampled for a biochemical quantification of phospholipid concentrations in the sediments. This method serves as a measure of microbial biomass in marine sediments comprising all small-sized organisms, including bacteria, f...
Main Authors: | , |
---|---|
Format: | Dataset |
Language: | English |
Published: |
PANGAEA
2000
|
Subjects: | |
Online Access: | https://doi.pangaea.de/10.1594/PANGAEA.787613 https://doi.org/10.1594/PANGAEA.787613 |
id |
ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.787613 |
---|---|
record_format |
openpolar |
spelling |
ftpangaea:oai:pangaea.de:doi:10.1594/PANGAEA.787613 2023-05-15T15:14:52+02:00 Phospholipids in sediments of the deep Arabian Sea Boetius, Antje Lochte, Karin MEDIAN LATITUDE: 15.561182 * MEDIAN LONGITUDE: 62.879811 * SOUTH-BOUND LATITUDE: 9.994000 * WEST-BOUND LONGITUDE: 54.370833 * NORTH-BOUND LATITUDE: 20.000333 * EAST-BOUND LONGITUDE: 68.600500 * DATE/TIME START: 1995-03-08T18:35:00 * DATE/TIME END: 1995-10-21T02:26:00 2000-08-22 application/zip, 22 datasets https://doi.pangaea.de/10.1594/PANGAEA.787613 https://doi.org/10.1594/PANGAEA.787613 en eng PANGAEA https://doi.pangaea.de/10.1594/PANGAEA.787613 https://doi.org/10.1594/PANGAEA.787613 CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess CC-BY Supplement to: Boetius, Antje; Lochte, Karin (2000): Regional variation of total microbial biomass in sediments of the deep Arabian Sea. Deep Sea Research Part II: Topical Studies in Oceanography, 47(1-2), 149-168, https://doi.org/10.1016/S0967-0645(99)00096-X BIGSET Biogeochemical Fluxes of Matter and Energy in the Deep Sea Dataset 2000 ftpangaea https://doi.org/10.1594/PANGAEA.787613 https://doi.org/10.1016/S0967-0645(99)00096-X 2023-01-20T07:32:40Z Eight different sites from 2300 to 4420 m water depth in the Arabian Sea were sampled for a biochemical quantification of phospholipid concentrations in the sediments. This method serves as a measure of microbial biomass in marine sediments comprising all small-sized organisms, including bacteria, fungi, protozoa and metazoa. Phospholipid concentrations can be converted to carbon units as an estimate of total microbial biomass in the sediments. The average phospholipid concentrations in the surface sediments (0–1 cm) of the 4 abyssal sites ranged from 7 nmol cm?3 at the southern site (SAST, 10°N 65°E, 4425 m) to 29 nmol/cm**3 at the western site (WAST, 16°N 60°E, 4045 m). The high values detected at the abyssal station WAST exceeded those in the literature for other abyssal sites and were comparable to values from the upper continental slope of the NE-Atlantic and the Arctic. At the four continental slope sites in the Arabian Sea, average phospholipid concentrations ranged from 9 to 53 nmol/cm**3 with the maximum values at stations A (2314 m) and D (3142 m) close to the Omani coast. Records of particulate organic carbon flux to the deep sea are available for four of the investigated locations, allowing a test of the hypothesis that the standing stock of benthic microorganisms in the deep sea is controlled by substrate availability, i.e. particle sedimentation. Total microbial biomass in the surface sediments of the Arabian Sea was positively correlated with sedimentation rates, consistent with previous studies of other oceans. The use of the measurement of phospholipid concentrations as a proxy for input of particulate organic matter is discussed. Dataset Arctic PANGAEA - Data Publisher for Earth & Environmental Science Arctic ENVELOPE(54.370833,68.600500,20.000333,9.994000) |
institution |
Open Polar |
collection |
PANGAEA - Data Publisher for Earth & Environmental Science |
op_collection_id |
ftpangaea |
language |
English |
topic |
BIGSET Biogeochemical Fluxes of Matter and Energy in the Deep Sea |
spellingShingle |
BIGSET Biogeochemical Fluxes of Matter and Energy in the Deep Sea Boetius, Antje Lochte, Karin Phospholipids in sediments of the deep Arabian Sea |
topic_facet |
BIGSET Biogeochemical Fluxes of Matter and Energy in the Deep Sea |
description |
Eight different sites from 2300 to 4420 m water depth in the Arabian Sea were sampled for a biochemical quantification of phospholipid concentrations in the sediments. This method serves as a measure of microbial biomass in marine sediments comprising all small-sized organisms, including bacteria, fungi, protozoa and metazoa. Phospholipid concentrations can be converted to carbon units as an estimate of total microbial biomass in the sediments. The average phospholipid concentrations in the surface sediments (0–1 cm) of the 4 abyssal sites ranged from 7 nmol cm?3 at the southern site (SAST, 10°N 65°E, 4425 m) to 29 nmol/cm**3 at the western site (WAST, 16°N 60°E, 4045 m). The high values detected at the abyssal station WAST exceeded those in the literature for other abyssal sites and were comparable to values from the upper continental slope of the NE-Atlantic and the Arctic. At the four continental slope sites in the Arabian Sea, average phospholipid concentrations ranged from 9 to 53 nmol/cm**3 with the maximum values at stations A (2314 m) and D (3142 m) close to the Omani coast. Records of particulate organic carbon flux to the deep sea are available for four of the investigated locations, allowing a test of the hypothesis that the standing stock of benthic microorganisms in the deep sea is controlled by substrate availability, i.e. particle sedimentation. Total microbial biomass in the surface sediments of the Arabian Sea was positively correlated with sedimentation rates, consistent with previous studies of other oceans. The use of the measurement of phospholipid concentrations as a proxy for input of particulate organic matter is discussed. |
format |
Dataset |
author |
Boetius, Antje Lochte, Karin |
author_facet |
Boetius, Antje Lochte, Karin |
author_sort |
Boetius, Antje |
title |
Phospholipids in sediments of the deep Arabian Sea |
title_short |
Phospholipids in sediments of the deep Arabian Sea |
title_full |
Phospholipids in sediments of the deep Arabian Sea |
title_fullStr |
Phospholipids in sediments of the deep Arabian Sea |
title_full_unstemmed |
Phospholipids in sediments of the deep Arabian Sea |
title_sort |
phospholipids in sediments of the deep arabian sea |
publisher |
PANGAEA |
publishDate |
2000 |
url |
https://doi.pangaea.de/10.1594/PANGAEA.787613 https://doi.org/10.1594/PANGAEA.787613 |
op_coverage |
MEDIAN LATITUDE: 15.561182 * MEDIAN LONGITUDE: 62.879811 * SOUTH-BOUND LATITUDE: 9.994000 * WEST-BOUND LONGITUDE: 54.370833 * NORTH-BOUND LATITUDE: 20.000333 * EAST-BOUND LONGITUDE: 68.600500 * DATE/TIME START: 1995-03-08T18:35:00 * DATE/TIME END: 1995-10-21T02:26:00 |
long_lat |
ENVELOPE(54.370833,68.600500,20.000333,9.994000) |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic |
genre_facet |
Arctic |
op_source |
Supplement to: Boetius, Antje; Lochte, Karin (2000): Regional variation of total microbial biomass in sediments of the deep Arabian Sea. Deep Sea Research Part II: Topical Studies in Oceanography, 47(1-2), 149-168, https://doi.org/10.1016/S0967-0645(99)00096-X |
op_relation |
https://doi.pangaea.de/10.1594/PANGAEA.787613 https://doi.org/10.1594/PANGAEA.787613 |
op_rights |
CC-BY-3.0: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted info:eu-repo/semantics/openAccess |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1594/PANGAEA.787613 https://doi.org/10.1016/S0967-0645(99)00096-X |
_version_ |
1766345275282030592 |