Contaminants in marine sediments, sponges and bivalves from McMurdo Sound, Antarctica
SEDIMENT SAMPLING\nFour replicate sediment samples were collected on SCUBA from 3 sites near Scott Base (SB1, SB2, SB3), 2 sites near McMurdo Station (MM-0, MM-1), 1 site at Cape Armitage (CA), 1 site at Cape Evans (CE) and 1 site near Turtle Rock. The top 5 cm of sediment was collected from depths...
Other Authors: | |
---|---|
Format: | Dataset |
Language: | unknown |
Published: |
data.gov.au
|
Subjects: | |
Online Access: | https://researchdata.edu.au/contaminants-marine-sediments-sound-antarctica/1922421 http://data.gov.au/dataset/0474078e-d372-44eb-8239-14c92713a2f4 |
id |
ftands:oai:ands.org.au::1922421 |
---|---|
record_format |
openpolar |
spelling |
ftands:oai:ands.org.au::1922421 2023-09-05T13:12:22+02:00 Contaminants in marine sediments, sponges and bivalves from McMurdo Sound, Antarctica Australian Institute of Marine Science (isOwnedBy) Spatial: 166.652,-77.841833 Spatial: true https://researchdata.edu.au/contaminants-marine-sediments-sound-antarctica/1922421 http://data.gov.au/dataset/0474078e-d372-44eb-8239-14c92713a2f4 unknown data.gov.au https://researchdata.edu.au/contaminants-marine-sediments-sound-antarctica/1922421 http://data.gov.au/dataset/0474078e-d372-44eb-8239-14c92713a2f4 contaminants-in-marine-sediments-sponges-and-bivalves-from-mcmurdo-sound-antarctica Australian Institute of Marine Science Biological Classification Contaminants Environmental Impacts Homaxinella balfourensis Human Dimensions Laternula elliptica Marine Sediments Mycale acerata Oceans Sediment Chemistry Soft shell clam Sphaerotylus antarcticus Sponges Trace metals dataset ftands 2023-08-14T22:47:58Z SEDIMENT SAMPLING\nFour replicate sediment samples were collected on SCUBA from 3 sites near Scott Base (SB1, SB2, SB3), 2 sites near McMurdo Station (MM-0, MM-1), 1 site at Cape Armitage (CA), 1 site at Cape Evans (CE) and 1 site near Turtle Rock. The top 5 cm of sediment was collected from depths between 18 and 25 m, within a 20 metre radius of each site and stored frozen. Samples were later freeze dried, coarse sieved and the <2 mm fraction ground.\n\nCLAM AND SPONGE SAMPLING\nFive mature soft-shelled clams Laternula elliptica, were collected by hand and stored frozen. Four replicate biopsy samples of the sponges Homaxinella balfourensis, Mycale acerata and Sphaerotylus antarcticus were collected, blotted dry and stored frozen. The soft tissue from the clams and the sponge tissue were later freeze dried and ground. \n\nMETAL ANALYSIS IN SEDIMENTS, CLAMS AND SPONGES\nAfter digestion, the sediment, clams and sponge samples were analysed for total Cu, Zn, Cd and Pb concentrations using inductively coupled plasma-atomic emission spectrometry (ICP-AES). In addition, As was analysed by hydride generation and Hg by cold vapour generation using ICO-AES.\n\nANALYSIS OF HYDROCARBONS IN SEDIMENTS\nTwo 10 g samples of sediment from each site were pooled and two such samples were prepared, resulting in duplicate 20 g samples for further analysis. After each sample was extracted with DCM/acetone, half the extract underwent GPC and florisil cleanups and analysis for PCBs by gas chromatography. The remaining extract was reduced and processed further before being screened for hydrocarbons, using ultraviolet fluorescence analysis (UVP). Gas chromatography-mass spectroscopy (GC-MS) was used to determine n-alkanes and total hydrocarbons (THC) from the reduced hydrocarbon fractions. Point of truth URL of this metadata record - http://gcmd.nasa.gov/Resources/valids/archives/keyword_list.html - Dataset Antarc* Antarctica antarcticus McMurdo Sound Research Data Australia (Australian National Data Service - ANDS) Armitage ENVELOPE(166.667,166.667,-77.850,-77.850) Cape Armitage ENVELOPE(163.250,163.250,-78.150,-78.150) Cape Evans ENVELOPE(161.550,161.550,-75.100,-75.100) McMurdo Sound McMurdo Station ENVELOPE(166.667,166.667,-77.850,-77.850) Scott Base ENVELOPE(166.766,166.766,-77.849,-77.849) Turtle Rock ENVELOPE(166.767,166.767,-77.733,-77.733) |
institution |
Open Polar |
collection |
Research Data Australia (Australian National Data Service - ANDS) |
op_collection_id |
ftands |
language |
unknown |
topic |
Biological Classification Contaminants Environmental Impacts Homaxinella balfourensis Human Dimensions Laternula elliptica Marine Sediments Mycale acerata Oceans Sediment Chemistry Soft shell clam Sphaerotylus antarcticus Sponges Trace metals |
spellingShingle |
Biological Classification Contaminants Environmental Impacts Homaxinella balfourensis Human Dimensions Laternula elliptica Marine Sediments Mycale acerata Oceans Sediment Chemistry Soft shell clam Sphaerotylus antarcticus Sponges Trace metals Contaminants in marine sediments, sponges and bivalves from McMurdo Sound, Antarctica |
topic_facet |
Biological Classification Contaminants Environmental Impacts Homaxinella balfourensis Human Dimensions Laternula elliptica Marine Sediments Mycale acerata Oceans Sediment Chemistry Soft shell clam Sphaerotylus antarcticus Sponges Trace metals |
description |
SEDIMENT SAMPLING\nFour replicate sediment samples were collected on SCUBA from 3 sites near Scott Base (SB1, SB2, SB3), 2 sites near McMurdo Station (MM-0, MM-1), 1 site at Cape Armitage (CA), 1 site at Cape Evans (CE) and 1 site near Turtle Rock. The top 5 cm of sediment was collected from depths between 18 and 25 m, within a 20 metre radius of each site and stored frozen. Samples were later freeze dried, coarse sieved and the <2 mm fraction ground.\n\nCLAM AND SPONGE SAMPLING\nFive mature soft-shelled clams Laternula elliptica, were collected by hand and stored frozen. Four replicate biopsy samples of the sponges Homaxinella balfourensis, Mycale acerata and Sphaerotylus antarcticus were collected, blotted dry and stored frozen. The soft tissue from the clams and the sponge tissue were later freeze dried and ground. \n\nMETAL ANALYSIS IN SEDIMENTS, CLAMS AND SPONGES\nAfter digestion, the sediment, clams and sponge samples were analysed for total Cu, Zn, Cd and Pb concentrations using inductively coupled plasma-atomic emission spectrometry (ICP-AES). In addition, As was analysed by hydride generation and Hg by cold vapour generation using ICO-AES.\n\nANALYSIS OF HYDROCARBONS IN SEDIMENTS\nTwo 10 g samples of sediment from each site were pooled and two such samples were prepared, resulting in duplicate 20 g samples for further analysis. After each sample was extracted with DCM/acetone, half the extract underwent GPC and florisil cleanups and analysis for PCBs by gas chromatography. The remaining extract was reduced and processed further before being screened for hydrocarbons, using ultraviolet fluorescence analysis (UVP). Gas chromatography-mass spectroscopy (GC-MS) was used to determine n-alkanes and total hydrocarbons (THC) from the reduced hydrocarbon fractions. Point of truth URL of this metadata record - http://gcmd.nasa.gov/Resources/valids/archives/keyword_list.html - |
author2 |
Australian Institute of Marine Science (isOwnedBy) |
format |
Dataset |
title |
Contaminants in marine sediments, sponges and bivalves from McMurdo Sound, Antarctica |
title_short |
Contaminants in marine sediments, sponges and bivalves from McMurdo Sound, Antarctica |
title_full |
Contaminants in marine sediments, sponges and bivalves from McMurdo Sound, Antarctica |
title_fullStr |
Contaminants in marine sediments, sponges and bivalves from McMurdo Sound, Antarctica |
title_full_unstemmed |
Contaminants in marine sediments, sponges and bivalves from McMurdo Sound, Antarctica |
title_sort |
contaminants in marine sediments, sponges and bivalves from mcmurdo sound, antarctica |
publisher |
data.gov.au |
url |
https://researchdata.edu.au/contaminants-marine-sediments-sound-antarctica/1922421 http://data.gov.au/dataset/0474078e-d372-44eb-8239-14c92713a2f4 |
op_coverage |
Spatial: 166.652,-77.841833 Spatial: true |
long_lat |
ENVELOPE(166.667,166.667,-77.850,-77.850) ENVELOPE(163.250,163.250,-78.150,-78.150) ENVELOPE(161.550,161.550,-75.100,-75.100) ENVELOPE(166.667,166.667,-77.850,-77.850) ENVELOPE(166.766,166.766,-77.849,-77.849) ENVELOPE(166.767,166.767,-77.733,-77.733) |
geographic |
Armitage Cape Armitage Cape Evans McMurdo Sound McMurdo Station Scott Base Turtle Rock |
geographic_facet |
Armitage Cape Armitage Cape Evans McMurdo Sound McMurdo Station Scott Base Turtle Rock |
genre |
Antarc* Antarctica antarcticus McMurdo Sound |
genre_facet |
Antarc* Antarctica antarcticus McMurdo Sound |
op_source |
Australian Institute of Marine Science |
op_relation |
https://researchdata.edu.au/contaminants-marine-sediments-sound-antarctica/1922421 http://data.gov.au/dataset/0474078e-d372-44eb-8239-14c92713a2f4 contaminants-in-marine-sediments-sponges-and-bivalves-from-mcmurdo-sound-antarctica |
_version_ |
1776200051026034688 |