Data

Data for manuscript 'Ocean acidification reduces growth and grazing of Antarctic heterotrophic nanoflagellates'

Australian Antarctic Division
Deppeler, S., Schulz, K.G., Hancock, A., Pascoe, P., Mckinlay, J. and Davidson, A. ; DEPPELER, STACY LOUISE ; SCHULZ, KAI G ; HANCOCK, ALYCE ; PASCOE, PENELOPE ; MCKINLAY, JOHN ; DAVIDSON, ANDREW TIMOTHY
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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=http://data.aad.gov.au/metadata/AAS_4026_Flow_Cytometry&rft.title=Data for manuscript 'Ocean acidification reduces growth and grazing of Antarctic heterotrophic nanoflagellates'&rft.identifier=http://data.aad.gov.au/metadata/AAS_4026_Flow_Cytometry&rft.publisher=Australian Antarctic Data Centre&rft.description=This data set was collected from a ocean acidification minicosm experiment performed at Davis Station, Antarctica during the 2014/15 summer season. It includes:- description of methods for all data collection and analyses.- flow cytometry counts; autotrophic cells, heterotrophic nanoflagellates, and prokaryotesContext from the public summary for project 4026:Manmade CO2 has increased ocean acidity by 30% and it is projected to rise 300% by 2100. Antarctic waters will be amongst the earliest and most severely affected by this increase. Microbes are the base of the marine food chain and primary drivers of the biological pump. This project will incubate natural communities of Antarctic marine microbes in minicosms at a range of CO2 concentrations to quantify changes in their structure and function, the physiological responses that drive these changes, and provide input to models that predict effects on biogeochemical cycles and Antarctic food webs.Progress Code: completedStatement: The minicosm experimental design measured the microbial community growth in six unreplicated fCO2 treatments. Therefore, sub-samples from each minicosm were within-treatment pseudoreplicates and thus, results of statistical analysis must be interpreted conservatively.&rft.creator=Deppeler, S., Schulz, K.G., Hancock, A., Pascoe, P., Mckinlay, J. and Davidson, A. &rft.creator=DEPPELER, STACY LOUISE &rft.creator=SCHULZ, KAI G &rft.creator=HANCOCK, ALYCE &rft.creator=PASCOE, PENELOPE &rft.creator=MCKINLAY, JOHN &rft.creator=DAVIDSON, ANDREW TIMOTHY &rft.date=2018&rft.coverage=westlimit=77.958; southlimit=-68.577; eastlimit=77.959; northlimit=-68.575&rft.coverage=westlimit=77.958; southlimit=-68.577; eastlimit=77.959; northlimit=-68.575&rft_rights=These data are publicly available for download from the provided URL.&rft_rights=Attribution 4.0 International (CC BY 4.0) 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_4026_Flow_Cytometry when using these data.&rft_rights=This metadata record is publicly available.&rft_subject=oceans&rft_subject=biota&rft_subject=EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CARBON DIOXIDE&rft_subject=EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > PROTISTS > PLANKTON&rft_subject=EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > PROTISTS > PLANKTON > PHYTOPLANKTON&rft_subject=EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > BACTERIA/ARCHAEA&rft_subject=EARTH SCIENCE > CLIMATE INDICATORS > ATMOSPHERIC/OCEAN INDICATORS > OCEAN ACIDIFICATION&rft_subject=EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > PROTISTS > FLAGELLATES&rft_subject=OCEAN ACIDIFICATION&rft_subject=MINICOSM&rft_subject=FLOW CYTOMETRY&rft_subject=LABORATORY&rft_subject=FIELD INVESTIGATION&rft_subject=AMD&rft_subject=AMD/AU&rft_subject=CEOS&rft_subject=GEOGRAPHIC REGION > POLAR&rft_subject=CONTINENT > ANTARCTICA&rft_subject=OCEAN > SOUTHERN OCEAN&rft.type=dataset&rft.language=English Access the data
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CC-BY

Attribution 4.0 International (CC BY 4.0)
https://creativecommons.org/licenses/by/4.0/legalcode

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

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_4026_Flow_Cytometry when using these data.

This metadata record is publicly available.

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Full description

This data set was collected from a ocean acidification minicosm experiment performed at Davis Station, Antarctica during the 2014/15 summer season. It includes:
- description of methods for all data collection and analyses.
- flow cytometry counts; autotrophic cells, heterotrophic nanoflagellates, and prokaryotes

Context from the public summary for project 4026:
Manmade CO2 has increased ocean acidity by 30% and it is projected to rise 300% by 2100. Antarctic waters will be amongst the earliest and most severely affected by this increase. Microbes are the base of the marine food chain and primary drivers of the biological pump. This project will incubate natural communities of Antarctic marine microbes in minicosms at a range of CO2 concentrations to quantify changes in their structure and function, the physiological responses that drive these changes, and provide input to models that predict effects on biogeochemical cycles and Antarctic food webs.

Lineage

Progress Code: completed
Statement: The minicosm experimental design measured the microbial community growth in six unreplicated fCO2 treatments. Therefore, sub-samples from each minicosm were within-treatment pseudoreplicates and thus, results of statistical analysis must be interpreted conservatively.

Notes

Purpose
One community-level study has been performed in Antarctic waters on a natural coastal marine microbial community at Davis Station, Antarctica during the 2008/09 summer season. This study in Prydz Bay, East Antarctica reported declines in primary and bacterial productivity when CO2 concentration exceeded 780 micro atm. A shift in community composition was also observed, with increased abundance of small picoeukaryotes and a decline in large diatoms. Based on the results of this previous study, a natural community of Antarctic marine microbes from Prydz Bay, East Antarctica were exposed to a range of CO2 concentrations in 650 l minicosms to simulate possible future ocean conditions up to the year ∼2200. The abundance of autotrophic cells, heterotrophic nanoflagellates, and prokaryotes was examined at CO2 concentrations between 343 to 1641 μatm to determine whether tipping points existed, above which CO2 concentration changed the abundance of the microbial community.

Data time period: 2014-11-20 to 2014-12-07

This dataset is part of a larger collection

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77.959,-68.575 77.959,-68.577 77.958,-68.577 77.958,-68.575 77.959,-68.575

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text: westlimit=77.958; southlimit=-68.577; eastlimit=77.959; northlimit=-68.575

Subjects
AMD | AMD/AU | CEOS | CONTINENT > ANTARCTICA | EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > BACTERIA/ARCHAEA | EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > PROTISTS > FLAGELLATES | EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > PROTISTS > PLANKTON | EARTH SCIENCE > BIOLOGICAL CLASSIFICATION > PROTISTS > PLANKTON > PHYTOPLANKTON | EARTH SCIENCE > CLIMATE INDICATORS > ATMOSPHERIC/OCEAN INDICATORS > OCEAN ACIDIFICATION | EARTH SCIENCE > OCEANS > OCEAN CHEMISTRY > CARBON DIOXIDE | FIELD INVESTIGATION | FLOW CYTOMETRY | GEOGRAPHIC REGION > POLAR | LABORATORY | MINICOSM | OCEAN > SOUTHERN OCEAN | OCEAN ACIDIFICATION | biota | oceans |

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Other Information
Download a copy of the data (GET DATA > DIRECT DOWNLOAD)

uri : https://data.aad.gov.au/eds/4677/download

Public information for AAS project AAS_4026 (PROJECT HOME PAGE)

uri : https://projects.aad.gov.au/report_project_public.cfm?project_no=AAS_4026

Citation reference for this metadata record and dataset. (VIEW RELATED INFORMATION)

uri : https://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=AAS_4026_Flow_Cytometry

Identifiers
  • global : AAS_4026_Flow_Cytometry