Data

Nutrient sampling in the coastal waters of south eastern Tasmania

Australian Ocean Data Network
Swadling, Kerrie, Dr ; Eriksen, Ruth, Dr ; Beard, Jason, Mr ; Crawford, Christine, Dr
Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]
ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=http://catalogue-aodn.prod.aodn.org.au/geonetwork/srv/eng/search?uuid=d8e21793-beff-4f82-8807-d6c80557b6c2&rft.title=Nutrient sampling in the coastal waters of south eastern Tasmania&rft.identifier=http://catalogue-aodn.prod.aodn.org.au/geonetwork/srv/eng/search?uuid=d8e21793-beff-4f82-8807-d6c80557b6c2&rft.description=Biologically relevant macronutrients, nitrate + nitrite, silicate, phosphate and ammonia, were measured at all sites throughout the study. Nitrate + nitrite values (NOx) at the surface showed clear seasonal trends, peaking over winter and drawing down to near zero in summer and autumn. Phosphate concentrations also reached a peak in winter, which was associated with Southern Ocean influence. Median ammonium concentrations at all sites were generally Maintenance and Update Frequency: notPlannedStatement: Water samples were collected, using a 6 L or 8 L Niskin bottle, from 0.5 – 1 m below the surface, at 10 m depth, and within 5 m of the seabed. At site 3 an intermediate sample from 50 m was also collected. Subsamples were taken at each depth for macronutrients (unfiltered), and were frozen and stored in the dark until processing at the CSIRO Marine and Atmospheric Laboratories, Hobart. The biologically relevant nutrients, dissolved nitrate+nitrite, phosphate, ammonia and silicate concentrations (μM) were measured by CSIRO Hydrochemistry laboratory using standard colorimetric methodology adapted for flow injection analysis on a 5-channel Lachat Quick Chem 8000 series Automated Ion Analyser. Method detection limits were 0.02 μM P, 0.05 μM N, 0.05 μM Si, and 0.05 μM ammonia.&rft.creator=Swadling, Kerrie, Dr &rft.creator=Eriksen, Ruth, Dr &rft.creator=Beard, Jason, Mr &rft.creator=Crawford, Christine, Dr &rft.date=2018&rft.coverage=westlimit=147.362548828; southlimit=-43.3548230459; eastlimit=147.71685791; northlimit=-43.0123609615&rft.coverage=westlimit=147.362548828; southlimit=-43.3548230459; eastlimit=147.71685791; northlimit=-43.0123609615&rft.coverage=uplimit=90; downlimit=0&rft.coverage=uplimit=90; downlimit=0&rft_rights=The data described in this record are the intellectual property of the University of Tasmania through the Institute for Marine and Antarctic Studies. Please contact Kerrie Swadling (Principal Investigator) if you wish to use the data.&rft_rights= http://creativecommons.org/licenses/by/4.0/&rft_rights=http://i.creativecommons.org/l/by/4.0/88x31.png&rft_rights=WWW:LINK-1.0-http--related&rft_rights=License Graphic&rft_rights=Creative Commons Attribution 4.0 International License&rft_rights=http://creativecommons.org/international/&rft_rights=WWW:LINK-1.0-http--related&rft_rights=WWW:LINK-1.0-http--related&rft_rights=License Text&rft_rights=Swadling, K.M., Eriksen, R.S., Beard, J.M. and Crawford, C.M. (2018) Phytoplankton sampling in the coastal waters of south eastern Tasmania. Institute for Marine and Antarctic Studies, University of Tasmania. Data accessed at http://metadata.imas.utas.edu.au/geonetwork/srv/en/metadata.show?uuid= d8e21793-beff-4f82-8807-d6c80557b6c2 on (access date).&rft_rights=Please contact Kerrie Swadling (Principal Investigator) if you wish to use the data.&rft_rights=Creative Commons Attribution 4.0 International License http://creativecommons.org/licenses/by/4.0&rft_subject=biota&rft_subject=PHYTOPLANKTON&rft_subject=EARTH SCIENCE&rft_subject=BIOSPHERE&rft_subject=AQUATIC ECOSYSTEMS&rft_subject=PLANKTON&rft_subject=AQUACULTURE&rft_subject=AGRICULTURE&rft_subject=AGRICULTURAL AQUATIC SCIENCES&rft_subject=WATER QUALITY/WATER CHEMISTRY&rft_subject=TERRESTRIAL HYDROSPHERE&rft_subject=OCEAN CURRENTS&rft_subject=OCEANS&rft_subject=OCEAN CIRCULATION&rft_subject=DINOFLAGELLATES&rft_subject=BIOLOGICAL CLASSIFICATION&rft_subject=PROTISTS&rft_subject=FLAGELLATES&rft_subject=Storm Bay&rft_subject=Marine and Estuarine Ecology (incl. Marine Ichthyology)&rft_subject=BIOLOGICAL SCIENCES&rft_subject=ECOLOGY&rft_subject=Biological Oceanography&rft_subject=EARTH SCIENCES&rft_subject=OCEANOGRAPHY&rft_subject=Temperate Reef&rft_subject=research vessel&rft_subject=Sampling depth&rft_subject=DEPTH&rft_subject=SILICATE&rft_subject=PHOSPHATE&rft_subject=NITRATE_NITRITE&rft_subject=AMMONIUM&rft_subject=NITRITE&rft_subject=Concentration of silicate {SiO4} per unit volume of the water body&rft_subject=Concentration of phosphate {PO4} per unit volume of the water body&rft_subject=Concentration of nitrate and nitrite {NO3 and NO2} per unit volume of the water body&rft_subject=Concentration of ammonium {NH4} per unit volume of the water body&rft_subject=Concentration of nitrite {NO2} per unit volume of the water body&rft.type=dataset&rft.language=English Access the data
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The data described in this record are the intellectual property of the University of Tasmania through the Institute for Marine and Antarctic Studies.

Please contact Kerrie Swadling (Principal Investigator) if you wish to use the data.

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Swadling, K.M., Eriksen, R.S., Beard, J.M. and Crawford, C.M. (2018) Phytoplankton sampling in the coastal waters of south eastern Tasmania. Institute for Marine and Antarctic Studies, University of Tasmania. Data accessed at http://metadata.imas.utas.edu.au/geonetwork/srv/en/metadata.show?uuid= d8e21793-beff-4f82-8807-d6c80557b6c2 on (access date).

Please contact Kerrie Swadling (Principal Investigator) if you wish to use the data.

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Brief description

Biologically relevant macronutrients, nitrate + nitrite, silicate, phosphate and ammonia, were measured at all sites throughout the study. Nitrate + nitrite values (NOx) at the surface showed clear seasonal trends, peaking over winter and drawing down to near zero in summer and autumn. Phosphate concentrations also reached a peak in winter, which was associated with Southern Ocean influence. Median ammonium concentrations at all sites were generally <0.5 μM, with no clear peaks in any season or month. Overall, the lowest values were measured in August and other months showed reasonable spread around the median. Median silicate concentrations were consistently highest at sites 1 and 9, followed by site 5. Water from the River Derwent flows through site 1, then tracks east towards site 9 then site 5. Seasonally, silicate was generally highest in winter when the River Derwent outflow is also greatest.

Lineage

Maintenance and Update Frequency: notPlanned
Statement: Water samples were collected, using a 6 L or 8 L Niskin bottle, from 0.5 – 1 m below the surface, at 10 m depth, and within 5 m of the seabed. At site 3 an intermediate sample from 50 m was also collected. Subsamples were taken at each depth for macronutrients (unfiltered), and were frozen and stored in the dark until processing at the CSIRO Marine and Atmospheric Laboratories, Hobart. The biologically relevant nutrients, dissolved nitrate+nitrite, phosphate, ammonia and silicate concentrations (μM) were measured by CSIRO Hydrochemistry laboratory using standard colorimetric methodology adapted for flow injection analysis on a 5-channel Lachat Quick Chem 8000 series Automated Ion Analyser. Method detection limits were 0.02 μM P, 0.05 μM N, 0.05 μM Si, and 0.05 μM ammonia.

Notes

Credit
Fisheries Research and Development Corporation (FRDC)

Created: 2018-06-25

Data time period: 2009-11-01 to 2015-04-30

This dataset is part of a larger collection

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147.71686,-43.01236 147.71686,-43.35482 147.36255,-43.35482 147.36255,-43.01236 147.71686,-43.01236

147.539703369,-43.1835920037

text: westlimit=147.362548828; southlimit=-43.3548230459; eastlimit=147.71685791; northlimit=-43.0123609615

text: uplimit=90; downlimit=0

Subjects
AGRICULTURAL AQUATIC SCIENCES | AGRICULTURE | AMMONIUM | AQUACULTURE | AQUATIC ECOSYSTEMS | BIOLOGICAL CLASSIFICATION | Biological Sciences | BIOSPHERE | Biological Oceanography | Concentration of ammonium {NH4} per unit volume of the water body | Concentration of nitrate and nitrite {NO3 and NO2} per unit volume of the water body | Concentration of nitrite {NO2} per unit volume of the water body | Concentration of phosphate {PO4} per unit volume of the water body | Concentration of silicate {SiO4} per unit volume of the water body | DEPTH | DINOFLAGELLATES | EARTH SCIENCE | Earth Sciences | Ecology | FLAGELLATES | Marine and Estuarine Ecology (Incl. Marine Ichthyology) | NITRATE_NITRITE | NITRITE | OCEAN CIRCULATION | OCEAN CURRENTS | Oceanography | OCEANS | PHOSPHATE | PHYTOPLANKTON | PLANKTON | PROTISTS | SILICATE | Sampling depth | Storm Bay | TERRESTRIAL HYDROSPHERE | Temperate Reef | WATER QUALITY/WATER CHEMISTRY | biota | research vessel |

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Other Information
(PUBLICATION - Salmon Sub-program: Marine currents, nutrients and plankton in the coastal waters of south eastern Tasmania and responses to changing weather patterns.)

uri : https://data.imas.utas.edu.au/attachments/3b002636-f1b2-441d-a135-f043df3c8c15/2014-031-DLD.pdf

global : 1ac5a95c-af8c-4eac-a81f-dec562ab44ab

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  • global : d8e21793-beff-4f82-8807-d6c80557b6c2
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