Data

IMOS - Phytoplankton Abundance and Biovolume (CPR)

Australian Ocean Data Network
Integrated Marine Observing System (IMOS) ; CSIRO Oceans and Atmosphere - Hobart ; Australian Antarctic Division (AAD) ; Institute for Marine and Antarctic Studies (IMAS), University of Tasmania (UTAS)
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=https://catalogue-imos.aodn.org.au/geonetwork/srv/api/records/8e594cd1-363a-4b58-b741-9fa3624adb77&rft.title=IMOS - Phytoplankton Abundance and Biovolume (CPR)&rft.identifier=https://catalogue-imos.aodn.org.au/geonetwork/srv/api/records/8e594cd1-363a-4b58-b741-9fa3624adb77&rft.description=This dataset includes Continuous Plankton Recorder (CPR) data, as part of the Australian Plankton Survey (AusCPR) and phytoplankton from the Southern Ocean Continuous Plankton Recorder Survey (SO-CPR). The dataset comprises the phytoplankton abundance, biovolume measurements and phytoplankton colour index (PCI). To understand how CPR plankton data is analysed and how to use CPR data we recommend reading Richardson et al., 2006. The data are made available in binned products for ease of use. As taxonomy changes over time and the ability of analysts improves with training more and more species can be identified over time. The products account for these changes and for real absences from the samples. A 0 abundance means that the species was looked for and not seen, null (empty cell) means that the species was not looked for in that sample. The products are therefore applicable for use in time series analysis. There are a total of 9 products to choose from. Phytoplankton data are available as either abundance or biovolume, and each of these at 4 levels of binning: - Raw product (includes all data) - Species product (includes all data where species have been identified) - Genus product (includes all data binned to genus level) - Higher taxonomic group (includes all data binned to functional groups). (each of these products includes the phytoplankton colour index (PCI) per samples) Plus Derived indices (useful indices at segment level for CPR data) The PCI is an estimate of the amount of chlorophyl in the water. The colour of the silk is measured using Pantone colour charts against a numeric scale indicating increasing greenness or chlorophyll. 0 – No colour 1 – Very Pale Green 2 – Pale Green 3 – Green Plankton abundances were originally provided on the AODN Portal only as raw data, in flat table form (with each species recorded in a separate row), without any adjustments for taxonomy changes or real absences. The first version of the analysis-ready products were first published on 21/12/2018. However, they were removed again in April 2021 because technical issues prevented them from being regularly updated. This dataset supersedes the previous IMOS - AusCPR: Phytoplankton Abundance - https://catalogue-imos.aodn.org.au/geonetwork/srv/api/records/c1344979-f701-0916-e044-00144f7bc0f4 and IMOS - AusCPR: Phytoplankton Colour Index (PCI) - https://catalogue-imos.aodn.org.au/geonetwork/srv/api/records/e210cb45-910a-79c2-e043-08114f8c7800 (both collections were removed from the AODN Portal in March 2022, and the data has been archived).Maintenance and Update Frequency: asNeededStatement: Data sampling is being conducted as part of a larger IMOS monitoring program. The silk is removed from the CPR cassette and processed as described in Richardson et al 2006. The phytoplankton colour index (PCI) and the phytoplankton data are also analysed as per Richardson et al 2006. The zooplankton analysis is conducted differently to that described in Richardson et al 2006 as it is counted off the silk in a bogorov tray. This is accomplished by rinsing the silks in water and straining through a 10 micron mesh sieve. The collected plankton is transferred to a bogorov tray and counted under a disecting scope. This is done to retain the phytoplankton. AusCPR decided to analyse the zooplankton this way as it provides a more accurate analysis of the zooplankton present. It is easy to miss zooplankton when it is still on the silk and it is harder to identify. After counting the zooplankton and phytoplankton are transferred onto a preweighed filter and dried in an oven at 60 degrees C for 24-48 hours. Once dried the sample is reweighed to attain dry weight.Statement: For NRS stations only - Derived Indices Biomass This index includes the total mass of living organisms in sea water collected through the CPR. Thus, values provided by this parameter comprise the organic carbon from the plankton. Abundance Abundance is measured here as total number of elements (or individuals) for a specific taxon in sea water. This derived product is provided for phytoplankton (total number of cells), zooplankton and copepods (total number of animals). Mean total length of copepods This index provides the mean total length of copepod in the sample. Mean volume of cells This index provides the mean volume of a phytoplankton cell in the sample, calculated from the individual cell size, cell morphology and cell abundance. Total phytoplankton carbon Total mass of phytoplankton as carbon is calculated using standard conversion factors of biovolume to carbon for each cell, then summed (Montagnes-Berges 1994, Menden-Deuer & Lessard 2000, Verity & Langdon 1984, Vogt et al 2012, Caron et al 1995). No of species in sample Provided for copepods, phytoplankton, diatoms, dinoflagellates as an indicator of richness. Shannon diversity The Shannon diversity index is a statistical metric used to quantify rarity and commonness of species in a population. Indeed, Shannon diversity accounts for both species richness (the number of species present) and species abundance (the number of individuals per species) in the analysed population. This index is provided for copepods, phytoplankton, diatoms and dinoflagellates. Shannon evenness Shannon evenness provides a measure of biodiversity in the population analysed. The Shannon evenness index is derived from the Shannon diversity index, dividing Shannon diversity by its maximum. Thus, Shannon evenness can vary between 0 and 1, where 1 represents a complete evenness of the species in the analysed population. In this product the Shannon evenness index is provided for copepods, phytoplankton, diatoms and dinoflagellates.Statement: ATTRIBUTE STATEMENT: TripCode - Unique code for the sampling trip Route - Route code of the vessel that performed the sampling Latitude - Nominal latitude (North) of the location where sample was collected (Degrees) Longitude - Nominal longitude (East) of the location where sample was collected (Degrees) SampleDate_UTC - UTC date and time of sample collection SampleDate_local - Local date and time of sample collection Year_local - Year of sample collection Month_local - Month of sample collection Day_local - Day of month of sample collection (local time) Time_local24hr - Local 24hr time of sample collection SatSST_degC - Temperature of the water column near the surface, from matching satellite measurement SatChlaSurf_mgm3 - Chlorophyll concentration from matching satellite measurement PCI - Phytoplankton colour index [taxonomic level name] (e.g., “Noctiluca 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Australian Antarctic Division (AAD); Institute for Marine and Antarctic Studies (IMAS), University of Tasmania (UTAS) [year-of-data-downloaded], IMOS - Phytoplankton Abundance and Biovolume (CPR), Downloaded from [url] on [date-of-download].&rft_rights=Any users of IMOS data are required to clearly acknowledge the source of the material derived from IMOS in the format: Data was sourced from Australia’s Integrated Marine Observing System (IMOS) – IMOS is enabled by the National Collaborative Research Infrastructure strategy (NCRIS). If relevant, also credit other organisations involved in collection of this particular datastream (as listed in 'credit' in the metadata record).&rft_rights=Creative Commons Attribution 4.0 International License http://creativecommons.org/licenses/by/4.0&rft_subject=biota&rft_subject=oceans&rft_subject=COASTAL HABITAT&rft_subject=EARTH SCIENCE&rft_subject=BIOSPHERE&rft_subject=AQUATIC ECOSYSTEMS&rft_subject=PELAGIC HABITAT&rft_subject=CILIATES&rft_subject=BIOLOGICAL CLASSIFICATION&rft_subject=PROTISTS&rft_subject=COCCOLITHOPHORES&rft_subject=FLAGELLATES&rft_subject=HAPTOPHYTES&rft_subject=DIATOMS&rft_subject=PLANTS&rft_subject=MICROALGAE&rft_subject=FLAGELLATES&rft_subject=DINOFLAGELLATES&rft_subject=FORAMINIFERS&rft_subject=AMOEBOIDS&rft_subject=MICROALGAE&rft_subject=Biosphere | Microbiota Taxonomy | Microphytes&rft_subject=PHYTOPLANKTON&rft_subject=PLANKTON&rft_subject=PROTISTS&rft_subject=Oceans | Marine Biology | Marine Microbiota&rft_subject=FLUORESCENCE&rft_subject=OCEANS&rft_subject=OCEAN OPTICS&rft_subject=WATER TEMPERATURE&rft_subject=OCEAN TEMPERATURE&rft_subject=CHLOROPHYLL&rft_subject=OCEAN CHEMISTRY&rft_subject=Global / Oceans | Indian Ocean&rft_subject=Marine Features (Australia) | Great Australian Bight, SA/WA&rft_subject=Global / Oceans | Pacific Ocean&rft_subject=Regional Seas | Arafura Sea&rft_subject=Marine Features (Australia) | Bass Strait, TAS/VIC&rft_subject=Regional Seas | Coral Sea&rft_subject=Global / Oceans | Southern Ocean&rft_subject=Regional Seas | Tasman Sea&rft_subject=Regional Seas | Timor Sea&rft_subject=States, Territories (Australia) | South Australia&rft_subject=States, Territories (Australia) | Tasmania&rft_subject=States, Territories (Australia) | Queensland&rft_subject=States, Territories (Australia) | Northern Territory&rft_subject=Countries | New Zealand&rft_subject=States, Territories (Australia) | Western Australia&rft_subject=States, Territories (Australia) | Victoria&rft_subject=Countries | Australia&rft_subject=States, Territories (Australia) | New South Wales&rft_subject=Continents | Antarctica&rft_subject=vessel of opportunity&rft_subject=research vessel&rft_subject=orbiting satellite&rft_subject=Biovolume&rft_subject=Biotic taxonomic identification&rft_subject=Abundance of biota&rft_subject=Phytoplankton Colour Index&rft_subject=Temperature of the water body&rft_subject=Concentration of inferred chlorophyll from relative fluorescence per unit volume of the water body&rft_subject=ocean colour radiometers&rft_subject=Continuous Plankton Recorder - Hardy (1926, 1936); Glover (1962)&rft_subject=Australian Plankton Survey Sub-Facility, Integrated Marine Observing System (IMOS)&rft_subject=Southern Ocean Plankton Sub-Facility, Integrated Marine Observing System (IMOS)&rft.type=dataset&rft.language=English Access the data
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The citation in a list of references is: "Integrated Marine Observing System (IMOS); CSIRO Oceans and Atmosphere; Australian Antarctic Division (AAD); Institute for Marine and Antarctic Studies (IMAS), University of Tasmania (UTAS) [year-of-data-downloaded], IMOS - Phytoplankton Abundance and Biovolume (CPR), Downloaded from [url] on [date-of-download]".

Any users of IMOS data are required to clearly acknowledge the source of the material derived from IMOS in the format: "Data was sourced from Australia’s Integrated Marine Observing System (IMOS) – IMOS is enabled by the National Collaborative Research Infrastructure strategy (NCRIS)." If relevant, also credit other organisations involved in collection of this particular datastream (as listed in 'credit' in the metadata record).

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Brief description

This dataset includes Continuous Plankton Recorder (CPR) data, as part of the Australian Plankton Survey (AusCPR) and phytoplankton from the Southern Ocean Continuous Plankton Recorder Survey (SO-CPR). The dataset comprises the phytoplankton abundance, biovolume measurements and phytoplankton colour index (PCI). To understand how CPR plankton data is analysed and how to use CPR data we recommend reading Richardson et al., 2006. The data are made available in binned products for ease of use. As taxonomy changes over time and the ability of analysts improves with training more and more species can be identified over time. The products account for these changes and for real absences from the samples. A 0 abundance means that the species was looked for and not seen, null (empty cell) means that the species was not looked for in that sample. The products are therefore applicable for use in time series analysis. There are a total of 9 products to choose from. Phytoplankton data are available as either abundance or biovolume, and each of these at 4 levels of binning: - Raw product (includes all data) - Species product (includes all data where species have been identified) - Genus product (includes all data binned to genus level) - Higher taxonomic group (includes all data binned to functional groups). (each of these products includes the phytoplankton colour index (PCI) per samples) Plus Derived indices (useful indices at segment level for CPR data) The PCI is an estimate of the amount of chlorophyl in the water. The colour of the silk is measured using Pantone colour charts against a numeric scale indicating increasing greenness or chlorophyll. 0 – No colour 1 – Very Pale Green 2 – Pale Green 3 – Green Plankton abundances were originally provided on the AODN Portal only as raw data, in flat table form (with each species recorded in a separate row), without any adjustments for taxonomy changes or real absences. The first version of the "analysis-ready" products were first published on 21/12/2018. However, they were removed again in April 2021 because technical issues prevented them from being regularly updated. This dataset supersedes the previous "IMOS - AusCPR: Phytoplankton Abundance" - https://catalogue-imos.aodn.org.au/geonetwork/srv/api/records/c1344979-f701-0916-e044-00144f7bc0f4 and "IMOS - AusCPR: Phytoplankton Colour Index (PCI)" - https://catalogue-imos.aodn.org.au/geonetwork/srv/api/records/e210cb45-910a-79c2-e043-08114f8c7800 (both collections were removed from the AODN Portal in March 2022, and the data has been archived).

Lineage

Maintenance and Update Frequency: asNeeded
Statement: Data sampling is being conducted as part of a larger IMOS monitoring program. The silk is removed from the CPR cassette and processed as described in Richardson et al 2006. The phytoplankton colour index (PCI) and the phytoplankton data are also analysed as per Richardson et al 2006. The zooplankton analysis is conducted differently to that described in Richardson et al 2006 as it is counted off the silk in a bogorov tray. This is accomplished by rinsing the silks in water and straining through a 10 micron mesh sieve. The collected plankton is transferred to a bogorov tray and counted under a disecting scope. This is done to retain the phytoplankton. AusCPR decided to analyse the zooplankton this way as it provides a more accurate analysis of the zooplankton present. It is easy to miss zooplankton when it is still on the silk and it is harder to identify. After counting the zooplankton and phytoplankton are transferred onto a preweighed filter and dried in an oven at 60 degrees C for 24-48 hours. Once dried the sample is reweighed to attain dry weight.
Statement: For NRS stations only - Derived Indices Biomass This index includes the total mass of living organisms in sea water collected through the CPR. Thus, values provided by this parameter comprise the organic carbon from the plankton. Abundance Abundance is measured here as total number of elements (or individuals) for a specific taxon in sea water. This derived product is provided for phytoplankton (total number of cells), zooplankton and copepods (total number of animals). Mean total length of copepods This index provides the mean total length of copepod in the sample. Mean volume of cells This index provides the mean volume of a phytoplankton cell in the sample, calculated from the individual cell size, cell morphology and cell abundance. Total phytoplankton carbon Total mass of phytoplankton as carbon is calculated using standard conversion factors of biovolume to carbon for each cell, then summed (Montagnes-Berges 1994, Menden-Deuer & Lessard 2000, Verity & Langdon 1984, Vogt et al 2012, Caron et al 1995). No of species in sample Provided for copepods, phytoplankton, diatoms, dinoflagellates as an indicator of richness. Shannon diversity The Shannon diversity index is a statistical metric used to quantify rarity and commonness of species in a population. Indeed, Shannon diversity accounts for both species richness (the number of species present) and species abundance (the number of individuals per species) in the analysed population. This index is provided for copepods, phytoplankton, diatoms and dinoflagellates. Shannon evenness Shannon evenness provides a measure of biodiversity in the population analysed. The Shannon evenness index is derived from the Shannon diversity index, dividing Shannon diversity by its maximum. Thus, Shannon evenness can vary between 0 and 1, where 1 represents a complete evenness of the species in the analysed population. In this product the Shannon evenness index is provided for copepods, phytoplankton, diatoms and dinoflagellates.
Statement: ATTRIBUTE STATEMENT: TripCode - Unique code for the sampling trip Route - Route code of the vessel that performed the sampling Latitude - Nominal latitude (North) of the location where sample was collected (Degrees) Longitude - Nominal longitude (East) of the location where sample was collected (Degrees) SampleDate_UTC - UTC date and time of sample collection SampleDate_local - Local date and time of sample collection Year_local - Year of sample collection Month_local - Month of sample collection Day_local - Day of month of sample collection (local time) Time_local24hr - Local 24hr time of sample collection SatSST_degC - Temperature of the water column near the surface, from matching satellite measurement SatChlaSurf_mgm3 - Chlorophyll concentration from matching satellite measurement PCI - Phytoplankton colour index [taxonomic level name] (e.g., “Noctiluca scintillans”) - Taxonomic level abundance (plankton) or biovolume (phytoplankton)

Notes

Credit
Australia’s Integrated Marine Observing System (IMOS) is enabled by the National Collaborative Research Infrastructure Strategy (NCRIS). It is operated by a consortium of institutions as an unincorporated joint venture, with the University of Tasmania as Lead Agent.

Created: 11 2021

Data time period: 25 11 2007 to 12 07 2022

This dataset is part of a larger collection

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Subjects
AMOEBOIDS | AQUATIC ECOSYSTEMS | Abundance of biota | Australian Plankton Survey Sub-Facility, Integrated Marine Observing System (IMOS) | BIOLOGICAL CLASSIFICATION | BIOSPHERE | Biosphere | Microbiota Taxonomy | Microphytes | Biotic taxonomic identification | Biovolume | Chlorophyll | Ciliates | Coastal Habitat | Coccolithophores | Concentration of inferred chlorophyll from relative fluorescence per unit volume of the water body | Continents | Antarctica | Continuous Plankton Recorder - Hardy (1926, 1936); Glover (1962) | Countries | Australia | Countries | New Zealand | Diatoms | Dinoflagellates | EARTH SCIENCE | Flagellates | FLAGELLATES | Fluorescence | Foraminifers | Global / Oceans | Indian Ocean | Global / Oceans | Pacific Ocean | Global / Oceans | Southern Ocean | HAPTOPHYTES | MICROALGAE | Microalgae | Marine Features (Australia) | Bass Strait, TAS/VIC | Marine Features (Australia) | Great Australian Bight, SA/WA | OCEAN CHEMISTRY | OCEAN OPTICS | OCEAN TEMPERATURE | OCEANS | Oceans | Marine Biology | Marine Microbiota | Pelagic Habitat | Phytoplankton | PLANKTON | PLANTS | PROTISTS | Protists | Phytoplankton Colour Index | Regional Seas | Arafura Sea | Regional Seas | Coral Sea | Regional Seas | Tasman Sea | Regional Seas | Timor Sea | Southern Ocean Plankton Sub-Facility, Integrated Marine Observing System (IMOS) | States, Territories (Australia) | New South Wales | States, Territories (Australia) | Northern Territory | States, Territories (Australia) | Queensland | States, Territories (Australia) | South Australia | States, Territories (Australia) | Tasmania | States, Territories (Australia) | Victoria | States, Territories (Australia) | Western Australia | Temperature of the water body | Water Temperature | biota | ocean colour radiometers | oceans | orbiting satellite | research vessel | vessel of opportunity |

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Other Information
Australian Plankton Survey - Home Page (Australian Plankton Survey)

uri : https://imos.org.au/facilities/shipsofopportunity/auscontinuousplanktonrecorder

Southern Ocean Plankton - Home Page (Southern Ocean Plankton)

uri : https://imos.org.au/shipsofopportunity/southern-ocean-plankton

(Link to Richardson et al. 2006 paper)

doi : https://doi.org/10.1016/j.pocean.2005.09.011

(OGC WFS help documentation)

uri : https://help.aodn.org.au/web-services/ogc-wfs/

(CPR Product Specfication document)

uri : http://content.aodn.org.au/Documents/AODN/Water_Sampling_Database/CPR_product_specification.pdf

(CPR Derived Indices Product Specification document)

uri : http://content.aodn.org.au/Documents/AODN/Water_Sampling_Database/CPR_Derived_Indices_product_specification.pdf

global : c017bda3-8a03-4b41-8a07-c34c41bda1f0

Identifiers
  • global : 8e594cd1-363a-4b58-b741-9fa3624adb77
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