Growth rates of unicellular cyanobacteria (Crocosphaera watsonii) at different seawater pH

This data set reports the growth rate and carbonate chemistry variables (initial and final) for a single-strain culture study on the unicellular diazotrophic cyanobacteria, Crocosphaera watsonii. C. watsonii was cultured at a six different artificial seawater medium pH levels (pH free range = 7.2 -...

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Bibliographic Details
Main Author: Paul, Allanah Joy
Format: Dataset
Language:English
Published: PANGAEA 2020
Subjects:
Alkalinity
total
Bottle number
Calculated
Carbon
inorganic
dissolved
Carbonate chemistry
Cell density
Crocosphaera watsonii
cyanobacteria
diazotroph
Epifluorescence microscopy
growth rate
Incubation duration
Infrared absorption
laboratory study
Ocean acidification
pH
Phytoplankton
Salinity
Single species
Species
Temperature
water
Titration potentiometric
Online Access:https://doi.pangaea.de/10.1594/PANGAEA.919891
https://doi.org/10.1594/PANGAEA.919891
Description
Summary:This data set reports the growth rate and carbonate chemistry variables (initial and final) for a single-strain culture study on the unicellular diazotrophic cyanobacteria, Crocosphaera watsonii. C. watsonii was cultured at a six different artificial seawater medium pH levels (pH free range = 7.2 - 8.8) in triplicate to investigate the growth rate response to ocean acidification. Growth rates were highest between pH ~7.9 and 8.2 and no growth detected in 2 of 3 replicates at the lowest pH level. This indicates an optimum curve response pattern of this cyanobacteria species to seawater pH, similar to that already observed in calcifying haptophytes.

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