The correlation between integral of OJIP curve and Chl a contents or cell density or primary productivity as well as between the primary productivity estimated using the integral area of OJIP curve and that measured using the conventional oxygen method, were assessed by Pearson’s correlation test, and correlation was considered to be significant at p < 0.05 or p < 0.01, where p < 0.05 means significant correlation and p < 0.01 means extremely significant correlation.
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A Novel Method for Non-invasive Estimation of Primary Productivity in Aquatic Ecosystems Using a Chlorophyll Fluorescence-Induced Dynamic Curve.
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