Changes in biovolume in three herbivorous protists measured across a temperature gradient ranging from 0 to 22 degrees Celsius for 30 days from 2017-04-01 to 2017-06-30 (NCEI Accession 0288337)
This dataset contains biological and survey - biological data collected from 2017-04-01 to 2017-06-30. These data include species. The instruments used to collect these data include Camera, In-situ incubator, and Microscope - Optical. These data were collected by Gayantonia Franzè and Susanne Menden-Deuer of University of Rhode Island as part of the "Quantifying Temperature Dependence In Growth & Grazing Rates of Planktonic Herbivores (Planktonic Herbivore Temp Dependence)" project. The Biological and Chemical Oceanography Data Management Office (BCO-DMO) submitted these data to NCEI on 2021-08-24.
The following is the text of the dataset description provided by BCO-DMO:
Temperature dependent changes in biovolume of three herbivorous protists
Dataset Description:
Acquisition Description:
See complete methodology in Franzè and Menden-Deuer, 2020.
Clonal cultures of Oxyrrhis marina (CCMP 3375), Gyrodinium dominans (SPMC 103), and Protoperidinium bipes were established from single-cell isolation. Herbivorous protists were acclimated to each target temperature before growth rates were measured. Due to the wide temperature range tested (0−22°C), cultures were moved from the initial temperature of 15°C through gradual transitions limited to at most 3°C. The experimental Day 0 (D0) was defined as the first day on which acclimated growth rates were measured. To determine predator and prey abundance, samples were preserved in acid Lugol at a 2% final concentration (Menden-Deuer et al. 2001) and enumerated using a Sedgewick-Rafter slide (1 ml volume) and a Nikon Eclipse E800 light microscope equipped with phase contrast. Herbivore biovolume was calculated based on linear dimensions obtained from ≥35 cells measured at each time point and temperature treatment using an image analysis system consisting of a high-resolution digital camera (Allied Vision, Stingray F45) and ImageJ software (version 1.5i).
Growth rates of the 3 herbivorous species were determined at 7 incubation temperatures: 0, 2, 5, 10, 15, 18, and 22°C. Changes in O. marina, G. dominans, and P. bipes abundance and biomass were determined over 24 h incubations of the triplicate 150 ml bottles and used to calculate growth rates (μ d−1) assuming exponential growth: μ = ln(Nt/N0)/t, where: N0 and Nt are the initial and final cell abundance (or biomass) respectively, and t is the experiment duration in days. Measurements were made at Day 0 and again after 10 and 30 days.
The following is the text of the dataset description provided by BCO-DMO:
Temperature dependent changes in biovolume of three herbivorous protists
Dataset Description:
Acquisition Description:
See complete methodology in Franzè and Menden-Deuer, 2020.
Clonal cultures of Oxyrrhis marina (CCMP 3375), Gyrodinium dominans (SPMC 103), and Protoperidinium bipes were established from single-cell isolation. Herbivorous protists were acclimated to each target temperature before growth rates were measured. Due to the wide temperature range tested (0−22°C), cultures were moved from the initial temperature of 15°C through gradual transitions limited to at most 3°C. The experimental Day 0 (D0) was defined as the first day on which acclimated growth rates were measured. To determine predator and prey abundance, samples were preserved in acid Lugol at a 2% final concentration (Menden-Deuer et al. 2001) and enumerated using a Sedgewick-Rafter slide (1 ml volume) and a Nikon Eclipse E800 light microscope equipped with phase contrast. Herbivore biovolume was calculated based on linear dimensions obtained from ≥35 cells measured at each time point and temperature treatment using an image analysis system consisting of a high-resolution digital camera (Allied Vision, Stingray F45) and ImageJ software (version 1.5i).
Growth rates of the 3 herbivorous species were determined at 7 incubation temperatures: 0, 2, 5, 10, 15, 18, and 22°C. Changes in O. marina, G. dominans, and P. bipes abundance and biomass were determined over 24 h incubations of the triplicate 150 ml bottles and used to calculate growth rates (μ d−1) assuming exponential growth: μ = ln(Nt/N0)/t, where: N0 and Nt are the initial and final cell abundance (or biomass) respectively, and t is the experiment duration in days. Measurements were made at Day 0 and again after 10 and 30 days.
Dataset Citation
- Cite as: Menden-Deuer, Susanne; Franzè, Gayantonia (2024). Changes in biovolume in three herbivorous protists measured across a temperature gradient ranging from 0 to 22 degrees Celsius for 30 days from 2017-04-01 to 2017-06-30 (NCEI Accession 0288337). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0288337. Accessed [date].
Dataset Identifiers
ISO 19115-2 Metadata
gov.noaa.nodc:0288337
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Time Period | 2017-04-01 to 2017-06-30 |
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West: -71.422211
East: -71.422211
South: 41.492779
North: 41.492779
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Last Modified: 2024-05-31T15:15:28Z
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For questions about the information on this page, please email: ncei.info@noaa.gov