Data

Aquafin CRC Salmon Project - Process Study 4 - Microheterotrophic Grazing Experiment - Port Esperance - November 2007

Australian Ocean Data Network
CSIRO O&A, Information & Data Centre (Point of contact) CSIRO Oceans & Atmosphere - Hobart (Associated with) Volkman, John (Point of contact)
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The Aquafin CRC Salmon Project is being undertaken by CSIRO Marine and Atmospheric Research (CMAR) and Tasmanian Aquaculture and Fisheries Institute (TAFI). Prior to the three microheterotroph grazing experiments, a CTD cast was performed at site PE3 to determine the depth of the fluorescence maximum. Water for the three grazing experiments was collected simultaneously from a depth of 7m. For all three experiments, the sample water was filtered through a 200µm mesh as usual. For the second experiment, 10 mesozooplankton were added to the sample water in each incubated bottle. In the third experiment 30 additional mesozooplankton were added to the sample water in each incubated bottle. The additional mesozooplankton were removed from the incubated bottles at the close of the experiment, before filtration. Samples were incubated for 24 hours with subsamples collected at times T0 and T24 for phytoplankton and microheterotroph counts, nutrient analysis and pigment concentration and composition. Grazing and growth rates were calculated.

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Progress Code: completed
Maintenance and Update Frequency: notPlanned
Statement: Refer to methodology

Notes

Credit
Aquafin CRC, FRDC and assistance from the Tasmanian Salmonid Growers Association
Credit
Pru Bonham
Credit
Peter Thompson

Data time period: 2007-11-01 to 2007-11-01

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147.016,-43.317

147.016,-43.317

text: westlimit=147.016; southlimit=-43.317; eastlimit=147.016; northlimit=-43.317

Subjects
A whole-of-ecosystem assessment of environmental issues for salmonid aquaculture | Boats and Small Vessels | CTD | CTDs (Conductivity-Temperature-Depth Profilers) | Coastal Waters (Australia) | Tasmania Coast East and Southeast, TAS | Earth Science | Biological Classification | Bacteria/Archaea | Earth Science | Biological Classification | Plants | Microalgae | Earth Science | Biological Classification | Protists | Plankton | Earth Science | Biosphere | Aquatic Ecosystems | Estuarine Habitat | Earth Science | Biosphere | Ecological Dynamics | Ecosystem Functions | Food-Web Dynamics | Earth Science | Biosphere | Ecological Dynamics | Ecosystem Functions | Trophic Dynamics | Earth Science | Oceans | Ocean Chemistry | Chlorophyll | Earth Science | Oceans | Ocean Chemistry | Nutrients | Earth Science | Oceans | Ocean Chemistry | Pigments | Earth Science | Oceans | Ocean Temperature | Water Temperature | Earth Science | Oceans | Salinity/Density | Conductivity | HPLC (High Performance Liquid Chromatography) | Niskin Bottles | Nutrient Analysers | Optical Microscopes | 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 | Spectrophotometers | Temperature of the water body | Water Column Samplers | oceans | research vessel |

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Other Information
Process Study 4 Micro Grazing Experiment CTD Results (Authorisation Required) (Data Link)

url : https://www.marine.csiro.au/data/trawler/download.cfm?file_id=597

Process Study 4 Micro Grazing Experiment Nutrient Results (Authorisation Required) (Data Link)

url : https://www.marine.csiro.au/data/trawler/download.cfm?file_id=598

Process Study 4 Micro Grazing Experiment Phyto Results (Authorisation Required) (Data Link)

url : https://www.marine.csiro.au/data/trawler/download.cfm?file_id=599

Process Study 4 Micro Grazing Experiment Pigment Results (Authorisation Required) (Data Link)

url : https://www.marine.csiro.au/data/trawler/download.cfm?file_id=600

Process Study 4 Summary of Grazing Parameters (Authorisation Required) (Data Link)

url : https://www.marine.csiro.au/data/trawler/download.cfm?file_id=601

Aquafin CRC Salmon Project Survey Overview (Documentation Link)

url : https://www.cmar.csiro.au/datacentre/aquafin_public/aquafin_survey_overview.rtf

Aquafin Cooperative Research Centre Home Page (Documentation Link)

url : https://www.aquafincrc.com.au/

Process Study 4 Micro Grazing Experiment Methodology (Authorisation Required) (Documentation Link)

url : https://www.marine.csiro.au/data/trawler/download.cfm?file_id=602

Process Study 4 Micro Grazing Experiment Attribute Overview (Authorisation Required) (Documentation Link)

url : https://www.marine.csiro.au/data/trawler/download.cfm?file_id=603

Process Study 4 Sites (Authorisation Required) (Documentation Link)

url : https://www.marine.csiro.au/data/trawler/download.cfm?file_id=604

Identifiers
  • Local : Anzlic Identifier: ANZCW0306008241
  • Local : Marlin Record Number: 8241
  • global : 28d48611-5076-4cfb-bf99-99e76b5823c0