Data

Phytoplankton community composition determined through analysis of pigments using HPLC

Australian Ocean Data Network
33 linked Records:
Westwood, K.J. ; WESTWOOD, KAREN JILLIAN
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=Dataset DOI&rft.title=Phytoplankton community composition determined through analysis of pigments using HPLC&rft.identifier=Dataset DOI&rft.publisher=Australian Antarctic Data Centre&rft.description=Phytoplankton community composition was determined at 6 sites from the ENRICH voyage conducted on RV Investigator (IN2019_V01). To determine composition, analysis of pigments was undertaken using high performance liquid chromatography according to the method of Wright et al. (2010), followed by chemotaxonomic analysis using CHEMTAX (Mackey et al. 1996, Wright et al. 1996). This dataset contains the pigment concentrations (µg L-1) and taxa concentrations (µg L-1 chl a) for each of the 6 sites. Standard deviations for taxa are also shown.Progress Code: completedStatement: For Incubation 3 (ENRICH064, CTD 15) a proportion of chlorophyll that was classified by CHEMTAX as dinoflagellates was observed to be haptophytes using light microscopy.These groups share similar pigments and can therefore be difficult to separate using CHEMTAX, particularly given a low chlorophyll concentration at this site. A ratio of dinoflagellates to haptophytes was therefore established using light microscopy and cell biovolumes (Hillebrand et al.,1999), and resulted in 23.02% of the dinoflagellate population being re-allocated to haptophytes.&rft.creator=Westwood, K.J. &rft.creator=WESTWOOD, KAREN JILLIAN &rft.date=2024&rft.coverage=westlimit=136; southlimit=-70; eastlimit=156; northlimit=-60&rft.coverage=westlimit=136; southlimit=-70; eastlimit=156; northlimit=-60&rft_rights=This metadata record is publicly available.&rft_rights=These data are pubvlicly available for download from the provided URL.&rft_rights= https://creativecommons.org/licenses/by/4.0/legalcode&rft_rights=This data set conforms to the CCBY Attribution License (http://creativecommons.org/licenses/by/4.0/). Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=AAS_4101_ENRICH_IN2019V01_Incubation_Pigments when using these data. http://creativecommons.org/licenses/by/4.0/).&rft_rights=Portable Network Graphic&rft_rights=https://i.creativecommons.org/l/by/3.0/88x31.png&rft_rights=Creative Commons by Attribution logo&rft_rights=Attribution 4.0 International (CC BY 4.0)&rft_rights=Legal code for Creative Commons by Attribution 4.0 International license&rft_rights=Attribution 4.0 International (CC BY 4.0)&rft_rights= https://creativecommons.org/licenses/by/4.0/legalcode&rft_subject=oceans&rft_subject=EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > PROTISTS > PLANKTON > PHYTOPLANKTON&rft_subject=EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PIGMENTS > CHLOROPHYLL&rft_subject=EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PIGMENTS&rft_subject=PIGMENT ANALYSIS&rft_subject=CHEMTAX&rft_subject=RV INVESTIGATOR&rft_subject=HIGH PERFORMANCE LIQUID CHROMATOGRAPHY (WATERS)&rft_subject=HPLC > High-Performance Liquid Chromatograph&rft_subject=Ships&rft_subject=AMD/AU&rft_subject=AMD&rft_subject=CEOS&rft_subject=OCEAN > SOUTHERN OCEAN&rft_subject=OCEAN > SOUTHERN OCEAN > EAST ANTARCTIC CONTINENTAL SHELF&rft_subject=CONTINENT > ANTARCTICA > MERTZ GLACIER&rft_subject=GEOGRAPHIC REGION > POLAR&rft.type=dataset&rft.language=English Access the data
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This data set conforms to the CCBY Attribution License (http://creativecommons.org/licenses/by/4.0/).

Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=AAS_4101_ENRICH_IN2019V01_Incubation_Pigments when using these data.
http://creativecommons.org/licenses/by/4.0/).

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This metadata record is publicly available.

These data are pubvlicly available for download from the provided URL.

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Brief description

Phytoplankton community composition was determined at 6 sites from the ENRICH voyage conducted on RV Investigator (IN2019_V01). To determine composition, analysis of pigments was undertaken using high performance liquid chromatography according to the method of Wright et al. (2010), followed by chemotaxonomic analysis using CHEMTAX (Mackey et al. 1996, Wright et al. 1996). This dataset contains the pigment concentrations (µg L-1) and taxa concentrations (µg L-1 chl a) for each of the 6 sites. Standard deviations for taxa are also shown.

Lineage

Progress Code: completed
Statement: For Incubation 3 (ENRICH064, CTD 15) a proportion of chlorophyll that was classified by CHEMTAX as dinoflagellates was observed to be haptophytes using light microscopy.These groups share similar pigments and can therefore be difficult to separate using CHEMTAX, particularly given a low chlorophyll concentration at this site. A ratio of dinoflagellates to haptophytes was therefore established using light microscopy and cell biovolumes (Hillebrand et al.,1999), and resulted in 23.02% of the dinoflagellate population being re-allocated to haptophytes.

Notes

Purpose
Water was extracted at these 6 sites to undertake experimental incubations onboard, examining the effects of light and iron on phytoplankton communities. Please see Vives, C.R., Schallenberg, C., Strutton, P.G., Westwood, K.J. (2022). Iron and light co-limitation of phytoplankton growth off East Antarctica. Journal of Marine Systems, 234, doi.org/10.1016/j.jmarsys.2022.103774

Data time period: 2019-01-19 to 2019-02-26

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156,-60 156,-70 136,-70 136,-60 156,-60

146,-65

text: westlimit=136; southlimit=-70; eastlimit=156; northlimit=-60

Subjects
AMD | AMD/AU | CEOS | CHEMTAX | CONTINENT > ANTARCTICA > MERTZ GLACIER | EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > PROTISTS > PLANKTON > PHYTOPLANKTON | EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PIGMENTS | EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > PIGMENTS > CHLOROPHYLL | GEOGRAPHIC REGION > POLAR | HIGH PERFORMANCE LIQUID CHROMATOGRAPHY (WATERS) | HPLC > High-Performance Liquid Chromatograph | OCEAN > SOUTHERN OCEAN | OCEAN > SOUTHERN OCEAN > EAST ANTARCTIC CONTINENTAL SHELF | PIGMENT ANALYSIS | RV INVESTIGATOR | Ships | oceans |

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Other Information
Download the dataset. (GET DATA > DIRECT DOWNLOAD)

uri : https://data.aad.gov.au/eds/5826/download

Identifiers
  • DOI : Dataset DOI
  • global : AAS_4101_ENRICH_IN2019V01_Incubation_Pigments
  • global : ADBEX_III_Scans
  • global : ADBEX_II_Scans
  • global : voyage_202324010
  • global : EMAPEX_Macquarie_2018
  • global : AAS_4512_TEMPO_zooplankton
  • global : AAS_4512_4518_TEMPO_Seabird_Observations
  • global : AAS_4556_Adelie_Diet_Mawson_DNA
  • global : voyage_202324VT2
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