Data

WAMSI Node 1.1.3 - Perth soft sediment studies

Australian Ocean Data Network
CSIRO O&A, Information & Data Centre (Point of contact)
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://marlin.csiro.au/geonetwork/srv/eng/catalog.search#/metadata/1f46f9d3-50fd-482b-83a4-1da709c6b4ba&rft.title=WAMSI Node 1.1.3 - Perth soft sediment studies&rft.identifier=Anzlic Identifier: ANZCW0306008525&rft.publisher=Australian Ocean Data Network&rft.description=Twenty-nine sites have been surveyed: 13 in Marmion Marine Park (one near the sewage outfall and the remaining forming transects across a depth gradient with 4 inner, 4 mid and 4 outer), 6 in Cockburn Sound (5 forming a transect along an anthropogenic stress gradient at the northern end and 1 at the southern end), 2 localities between these regions at City Beach and Hall Bank, 1 within the Swan River and 7 at Jurien Bay to the north. At each site, physical factors of bottom water temperature, depth, water column light attenuation and the structure of sediment such as presence of ripples, depth of anaerobic sand and compactness were recorded. In addition, a water column integrated sample was collected and chlorophyll a quantified. Five transects of 5x1m were established at each site, ten 30mm diameter cores to 50mm depth and three 150mm diameter cores to 100mm depth were randomly collected within the transect, and all macrofauna collected using a small rake to search the sediment. Macrofauna were identified, counted and weighed. The small cores were sectioned into 0-2cm and 2-5cm depths and the size fractions from all 10 relating to 1 transect pooled and subsampled: one was analysed for organic carbon and nitrogen and a second for benthic microalgae biomass as chlorophyll a. One of the large cores was dry sieved through a set of 15 sieves from 0.063 to 8.0 mm pore size to determine proportions of grain size. One of the remaining cores was washed through 9 sieves from 8.0 to 0.5mm and biomass of infauna of each size class determined and daily secondary production calculated.Progress Code: completedMaintenance and Update Frequency: notPlannedStatement: Unspecified.&rft.creator=Anonymous&rft.date=2009&rft.coverage=westlimit=115.15; southlimit=-31.76; eastlimit=115.63; northlimit=-31.71&rft.coverage=westlimit=115.15; southlimit=-31.76; eastlimit=115.63; northlimit=-31.71&rft.coverage=uplimit=-3; downlimit=-30&rft.coverage=uplimit=-3; downlimit=-30&rft_rights=Data is made available under a Creative Commons Attribution 4.0 International Licence (<a href=http://creativecommons.org/licenses/by/4.0/>http://creativecommons.org/licenses/by/4.0/</a>). Data is supplied 'as is' without any warranty or guarantee except as required by law to be given to you. The data may not be free of error, comprehensive, current or appropriate for your particular purpose. You accept all risk and responsibility for its use. ATTRIBUTION STATEMENT: The dataset [Insert-dataset-name-here] downloaded on [Insert-DD-Mmm-YYYY-here] was provided by CSIRO. http://creativecommons.org/licenses/by/4.0/">http://creativecommons.org/licenses/by/4.0/</a>).&rft_subject=oceans&rft_subject=ANIMAL ECOLOGY AND BEHAVIOR&rft_subject=EARTH SCIENCE&rft_subject=AGRICULTURE&rft_subject=ANIMAL SCIENCE&rft_subject=BENTHIC HABITAT&rft_subject=BIOSPHERE&rft_subject=AQUATIC ECOSYSTEMS&rft_subject=COMMUNITY STRUCTURE&rft_subject=ECOLOGICAL DYNAMICS&rft_subject=COMMUNITY DYNAMICS&rft_subject=BIOGEOCHEMICAL CYCLES&rft_subject=ECOSYSTEM FUNCTIONS&rft_subject=BIOMASS DYNAMICS&rft_subject=PRIMARY PRODUCTION&rft_subject=SECONDARY PRODUCTION&rft_subject=CHLOROPHYLL&rft_subject=OCEANS&rft_subject=OCEAN CHEMISTRY&rft_subject=ORGANIC CARBON&rft_subject=Coastal Waters (Australia) | West Australia Coast, WA&rft_subject=Global / Oceans | Indian Ocean&rft_subject=WAMSI Node 1 Project 1: Southwest Australian Coastal Biogeochemistry&rft_subject=Western Australian Marine Science Institute&rft_subject=Coastal Station: Marmion Reef&rft.type=dataset&rft.language=English Access the data
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Data is made available under a Creative Commons Attribution 4.0 International Licence (http://creativecommons.org/licenses/by/4.0/). Data is supplied 'as is' without any warranty or guarantee except as required by law to be given to you. The data may not be free of error, comprehensive, current or appropriate for your particular purpose. You accept all risk and responsibility for its use. ATTRIBUTION STATEMENT: The dataset [Insert-dataset-name-here] downloaded on [Insert-DD-Mmm-YYYY-here] was provided by CSIRO.
http://creativecommons.org/licenses/by/4.0/">http://creativecommons.org/licenses/by/4.0/</a>).

Brief description

Twenty-nine sites have been surveyed: 13 in Marmion Marine Park (one near the sewage outfall and the remaining forming transects across a depth gradient with 4 inner, 4 mid and 4 outer), 6 in Cockburn Sound (5 forming a transect along an anthropogenic stress gradient at the northern end and 1 at the southern end), 2 localities between these regions at City Beach and Hall Bank, 1 within the Swan River and 7 at Jurien Bay to the north. At each site, physical factors of bottom water temperature, depth, water column light attenuation and the structure of sediment such as presence of ripples, depth of anaerobic sand and compactness were recorded. In addition, a water column integrated sample was collected and chlorophyll a quantified. Five transects of 5x1m were established at each site, ten 30mm diameter cores to 50mm depth and three 150mm diameter cores to 100mm depth were randomly collected within the transect, and all macrofauna collected using a small rake to search the sediment. Macrofauna were identified, counted and weighed. The small cores were sectioned into 0-2cm and 2-5cm depths and the size fractions from all 10 relating to 1 transect pooled and subsampled: one was analysed for organic carbon and nitrogen and a second for benthic microalgae biomass as chlorophyll a. One of the large cores was dry sieved through a set of 15 sieves from 0.063 to 8.0 mm pore size to determine proportions of grain size. One of the remaining cores was washed through 9 sieves from 8.0 to 0.5mm and biomass of infauna of each size class determined and daily secondary production calculated.

Lineage

Progress Code: completed
Maintenance and Update Frequency: notPlanned
Statement: Unspecified.

Notes

Credit
Tennille Irvine
Credit
John Keesing

Data time period: 2008-01-01 to 2009-06-30

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115.63,-31.71 115.63,-31.76 115.15,-31.76 115.15,-31.71 115.63,-31.71

115.39,-31.735

text: westlimit=115.15; southlimit=-31.76; eastlimit=115.63; northlimit=-31.71

text: uplimit=-3; downlimit=-30

Subjects
AGRICULTURE | Animal Ecology And Behavior | ANIMAL SCIENCE | AQUATIC ECOSYSTEMS | Benthic Habitat | Biogeochemical Cycles | Biomass Dynamics | BIOSPHERE | Chlorophyll | COMMUNITY DYNAMICS | Community Structure | Coastal Station: Marmion Reef | Coastal Waters (Australia) | West Australia Coast, WA | EARTH SCIENCE | ECOLOGICAL DYNAMICS | ECOSYSTEM FUNCTIONS | Global / Oceans | Indian Ocean | OCEAN CHEMISTRY | OCEANS | Organic Carbon | Primary Production | Secondary Production | WAMSI Node 1 Project 1: Southwest Australian Coastal Biogeochemistry | Western Australian Marine Science Institute | oceans |

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Identifiers
  • global : 1f46f9d3-50fd-482b-83a4-1da709c6b4ba
  • Local : Marlin Record Number: 8525
  • Local : Anzlic Identifier: ANZCW0306008525
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