Growth rates of Ulva exposed to different average and variability of pCO2 (Seaweed OA Resilience project) from 2015-05-11 to 2015-07-27 (NCEI Accession 0288078)
This dataset contains biological and chemical data collected from 2015-05-11 to 2015-07-27. These data include growth and pCO2. The instruments used to collect these data include Scale. These data were collected by Dr Janet E Kubler and Dr Steve Dudgeon of California State University Northridge as part of the "Ocean Acidification: Scope for Resilience to Ocean Acidification in Macroalgae (Seaweed OA Resilience)" project and "Science, Engineering and Education for Sustainability NSF-Wide Investment (SEES): Ocean Acidification (formerly CRI-OA) (SEES-OA)" program. The Biological and Chemical Oceanography Data Management Office (BCO-DMO) submitted these data to NCEI on 2019-06-06.
The following is the text of the dataset description provided by BCO-DMO:
Ulva growth rates
Dataset Description:
This dataset includes growth rates of Ulva measured at three weekly intervals as well as integrated over the experimental trial grown in culture under various pCO2 levels from May through July 2015.
Related Datasets:
: Carbonate chemistry of Ulva lactuca culture pots testing the effects of pCO2 variability (Seaweed OA Resilience project)
: Chlorophyll a per unit biomass in Ulva lactuca under ocean acidification (OA) conditions (Seaweed OA Resilience project)
: Stable isotope ratios and mass of carbon and nitrogen in Ulva cells under ocean acidification conditions (Seaweed OA Resilience project)
: Time-series at 10 minute sampling interval of pH and temperature in Ulva culture pots (Seaweed OA Resilience project)
: Carbonate chemistry over a time course with Ulva in pH drift experiments (Seaweed OA Resilience project)
: Rates of photosynthesis and respiration by Ulva exposed to different average and variability of pCO2 (Seaweed OA Resilience project)
: Stable isotope ratio and concentration of carbon in seawater from Ulva OA experiments (Seaweed OA Resilience project)
The following is the text of the dataset description provided by BCO-DMO:
Ulva growth rates
Dataset Description:
This dataset includes growth rates of Ulva measured at three weekly intervals as well as integrated over the experimental trial grown in culture under various pCO2 levels from May through July 2015.
Related Datasets:
: Carbonate chemistry of Ulva lactuca culture pots testing the effects of pCO2 variability (Seaweed OA Resilience project)
: Chlorophyll a per unit biomass in Ulva lactuca under ocean acidification (OA) conditions (Seaweed OA Resilience project)
: Stable isotope ratios and mass of carbon and nitrogen in Ulva cells under ocean acidification conditions (Seaweed OA Resilience project)
: Time-series at 10 minute sampling interval of pH and temperature in Ulva culture pots (Seaweed OA Resilience project)
: Carbonate chemistry over a time course with Ulva in pH drift experiments (Seaweed OA Resilience project)
: Rates of photosynthesis and respiration by Ulva exposed to different average and variability of pCO2 (Seaweed OA Resilience project)
: Stable isotope ratio and concentration of carbon in seawater from Ulva OA experiments (Seaweed OA Resilience project)
Dataset Citation
- Cite as: Kubler, Janet E.; Dudgeon, Steve (2024). Growth rates of Ulva exposed to different average and variability of pCO2 (Seaweed OA Resilience project) from 2015-05-11 to 2015-07-27 (NCEI Accession 0288078). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0288078. Accessed [date].
Dataset Identifiers
ISO 19115-2 Metadata
gov.noaa.nodc:0288078
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Ordering Instructions | Contact NCEI for other distribution options and instructions. |
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NOAA National Centers for Environmental Information +1-301-713-3277 NCEI.Info@noaa.gov |
Dataset Point of Contact |
NOAA National Centers for Environmental Information ncei.info@noaa.gov |
Time Period | 2015-05-11 to 2015-07-27 |
Spatial Bounding Box Coordinates |
West: -119
East: -118
South: 33
North: 34
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Data Presentation Form | Digital table - digital representation of facts or figures systematically displayed, especially in columns |
Dataset Progress Status | Complete - production of the data has been completed Historical archive - data has been stored in an offline storage facility |
Data Update Frequency | As needed |
Supplemental Information | Acquisition Description: Growth rate was measured in batch culture by pooling all plant thalli and summing them to attain the datum for the culture pot. Hence, the culture pot is the unit of replication. Growth rate was measured by recording the fresh weight of living material approximately every 6 days. Plant tissue was lightly stacked and gently pressed between layers of Kimwipes. This method reduced handling time and removed superficial water prior to weighing. The stack was then weighed together to attain the fresh weight for the pot. Relative growth rate was then calculated following Lüning (1990): RGR(% . day-1 = (100*Ln(W2/W1))/(t2-t1), where W1, W2, t1, t2 correspond to fresh weights at times 1 (t1) and 2 (t2), respectively. The weekly relative growth rates track the dynamics of growth and its variation during the experiment. In addition to growth rates estimated approximately weekly, estimates of overall net and absolute growth rates integrated across the 3-week experiment were also made using the initial and final starting masses. The difference between the overall net and absolute growth rate estimates is that the latter estimate includes small tissue fragments derived from whole thalli that occasionally appeared at the end of a weekly growth interval, but were thought to not be healthy viable fragments that would generate new growth in the subsequent interval so were discarded at the beginning of the next growth interval. Note: Trial 1 was a pilot test of culture system and methodological procedures so was not used for data collection |
Purpose | This dataset is available to the public for a wide variety of uses including scientific research and analysis. |
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Last Modified: 2024-05-31T18:50:46Z
For questions about the information on this page, please email: ncei.info@noaa.gov
For questions about the information on this page, please email: ncei.info@noaa.gov