Data

WAMSI 2 - Dredging Node - Project 5.3 - Natural Dynamics

Australian Ocean Data Network
CSIRO O&A, Information & Data Centre (Point of contact) CSIRO Oceans & Atmosphere - Hobart (Associated with) CSIRO Oceans & Atmosphere - IOMRC Crawley (Associated with) Vanderklift, Mat (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/0224a83a-6cc9-4b3f-e053-08114f8ce23d&rft.title=WAMSI 2 - Dredging Node - Project 5.3 - Natural Dynamics&rft.identifier=Anzlic Identifier: ANZCW0306014427&rft.publisher=Australian Ocean Data Network&rft.description=The Theme 5.3 study was undertaken to improve our understanding of the spatial and temporal patterns in seagrass composition, abundance and reproductive phenology in the Pilbara region. Key environmental parameters, especially light, that influence seagrass survival and can be altered by dredging were also characterised.From August 2013 to March 2015 (18 months), surveys of seagrass abundance were undertaken in the Exmouth Gulf region. The locations surveyed (South Muiron Island, Bundegi and Exmouth Gulf) encompassed a range in water clarity from clear to turbid. Less frequent surveys were undertaken at other locations in the Pilbara: Thevenard Island, Rosemary Island and Balla. Measurements of seagrass abundance were also obtained from monitoring conducted as part of the dredging and dredge-spoil management plan for Chevron Australia's Wheatstone Liquefied Natural Gas (LNG) Project.During each survey measurements were made in the field, photographs were taken or samples were collected in order to measure the following variables:1.    percentage cover of seagrass and other benthos;2.    above- and below-ground biomass, shoot density, leaf length, leaf width and number of flowers;3.    density of seagrass seeds;4.    sediment grain size;5.    stable isotope ratios (Ô13C and Ô15N) of seagrass leaf tissue; and6.    water quality (light, conductivity, temperature, salinity, nutrients, suspended particulate matter and chlorophyll).Progress Code: completedMaintenance and Update Frequency: asNeededStatement: Surveys were conducted every three months from August 2013 to March 2015 at three locations: South Muiron Island, Bundegi, and Exmouth Gulf. At each location, two sites separated by about 200 m were surveyed. In November 2014, the surveys were expanded to include Thevenard Island, approximately 100 km northeast of Exmouth. Opportunistic surveys at Rosemary Island and Balla Balla during November-December 2013 provided an opportunity to evaluate whether species composition and abundance at places we surveyed regularly were similar to those found elsewhere in the Pilbara. Lineage relevant to each activity can found under Documentation Links in this metadata record.&rft.creator=Anonymous&rft.date=2014&rft.coverage=westlimit=114.1; southlimit=-22.3; eastlimit=114.4; northlimit=-21.6&rft.coverage=westlimit=114.1; southlimit=-22.3; eastlimit=114.4; northlimit=-21.6&rft_rights=&rft_rights=Data is made available under a Creative Commons Attribution 4.0 International Licence, please see link. 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.&rft_subject=oceans&rft_subject=Earth Science | Oceans | Ocean Chemistry | Chlorophyll&rft_subject=Earth Science | Oceans | Ocean Chemistry | Nutrients&rft_subject=Earth Science | Oceans | Ocean Chemistry | Organic Matter&rft_subject=Earth Science | Oceans | Ocean Chemistry | Suspended Solids&rft_subject=Earth Science | Oceans | Ocean Chemistry | Stable Isotopes&rft_subject=Earth Science | Oceans | Ocean Temperature | Water Temperature&rft_subject=CTDs (Conductivity-Temperature-Depth Profilers)&rft_subject=Cameras - Still - Underwater&rft_subject=Water Column Samplers&rft_subject=Countries | Australia&rft_subject=Marine Features (Australia) | Exmouth Gulf, WA&rft_subject=Primary producer response to dredging related pressures&rft_subject=Western Australian Marine Science Institute&rft_subject=Practical salinity of the water body&rft_subject=Temperature of the water body&rft_subject=Pressure (measured variable) in the water body exerted by overlying sea water and any medium above it&rft_subject=Pressure (measured variable) in the water body exerted by overlying sea water only&rft_subject=CTD&rft_subject=research vessel&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, please see link. 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.

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Full description

The Theme 5.3 study was undertaken to improve our understanding of the spatial and temporal patterns in seagrass composition, abundance and reproductive phenology in the Pilbara region. Key environmental parameters, especially light, that influence seagrass survival and can be altered by dredging were also characterised.

From August 2013 to March 2015 (18 months), surveys of seagrass abundance were undertaken in the Exmouth Gulf region. The locations surveyed (South Muiron Island, Bundegi and Exmouth Gulf) encompassed a range in water clarity from clear to turbid. Less frequent surveys were undertaken at other locations in the Pilbara: Thevenard Island, Rosemary Island and Balla. Measurements of seagrass abundance were also obtained from monitoring conducted as part of the dredging and dredge-spoil management plan for Chevron Australia's Wheatstone Liquefied Natural Gas (LNG) Project.

During each survey measurements were made in the field, photographs were taken or samples were collected in order to measure the following variables:
1.    percentage cover of seagrass and other benthos;
2.    above- and below-ground biomass, shoot density, leaf length, leaf width and number of flowers;
3.    density of seagrass seeds;
4.    sediment grain size;
5.    stable isotope ratios (Ô13C and Ô15N) of seagrass leaf tissue; and
6.    water quality (light, conductivity, temperature, salinity, nutrients, suspended particulate matter and chlorophyll).

Lineage

Progress Code: completed
Maintenance and Update Frequency: asNeeded
Statement: Surveys were conducted every three months from August 2013 to March 2015 at three locations: South Muiron Island, Bundegi, and Exmouth Gulf. At each location, two sites separated by about 200 m were surveyed. In November 2014, the surveys were expanded to include Thevenard Island, approximately 100 km northeast of Exmouth. Opportunistic surveys at Rosemary Island and Balla Balla during November-December 2013 provided an opportunity to evaluate whether species composition and abundance at places we surveyed regularly were similar to those found elsewhere in the Pilbara. Lineage relevant to each activity can found under "Documentation Links" in this metadata record.

Notes

Credit
CSIRO, Edith Cowan University, Western Australian Science Institute
Credit
Mathew Vanderklift
Credit
Douglas Bearham
Credit
Mick Haywood
Credit
Paul Lavery
Credit
Hector Lozano-Montes
Credit
Roisin McCallum
Credit
James McLaughlin
Credit
Kathryn McMahon
Credit
Nick Mortimer

Data time period: 2013-08 to 2015-03

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114.4,-21.6 114.4,-22.3 114.1,-22.3 114.1,-21.6 114.4,-21.6

114.25,-21.95

text: westlimit=114.1; southlimit=-22.3; eastlimit=114.4; northlimit=-21.6

Subjects
CTD | CTDs (Conductivity-Temperature-Depth Profilers) | Cameras - Still - Underwater | Countries | Australia | Earth Science | Oceans | Ocean Chemistry | Chlorophyll | Earth Science | Oceans | Ocean Chemistry | Nutrients | Earth Science | Oceans | Ocean Chemistry | Organic Matter | Earth Science | Oceans | Ocean Chemistry | Stable Isotopes | Earth Science | Oceans | Ocean Chemistry | Suspended Solids | Earth Science | Oceans | Ocean Temperature | Water Temperature | Marine Features (Australia) | Exmouth Gulf, WA | Practical salinity of the water body | Pressure (measured variable) in the water body exerted by overlying sea water and any medium above it | Pressure (measured variable) in the water body exerted by overlying sea water only | Primary producer response to dredging related pressures | Temperature of the water body | Water Column Samplers | Western Australian Marine Science Institute | oceans | research vessel |

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Other Information
WAMSI 2 - Dredging Node - Project 5.3 - Natural Dynamics - Data Link (Data Link (CSIRO DAP))

url : https://data.csiro.au/dap/landingpage?pid=csiro:17632

WAMSI 2 DSN 5.3 Natural Dynamics Final Report

url : https://publications.csiro.au/rpr/pub?list=SEA&pid=csiro:EP164111

Additional lineage details (Documentation Link)

url : https://www.marine.csiro.au/data/trawler/download.cfm?file_id=26

Identifiers
  • Local : Anzlic Identifier: ANZCW0306014427
  • Local : Marlin Record Number: 14427
  • global : 0224a83a-6cc9-4b3f-e053-08114f8ce23d