Fig. 3 | Scientific Reports

Fig. 3

From: Delayed dynamics and detoxification in nutrient-phytoplankto-by-product systems: mechanisms driving bloom stability and oscillations

Fig. 3

Sobol first-order and total-order sensitivity indices. (a) First-order (\(S_1\)) and (b) total-order (\(S_T\)) indices quantify the relative contribution of each parameter to variance in the oscillatory regime probability (\(p_{\text {cycle}}\)). Higher \(S_T\) values for \(\alpha\), \(\eta\), and \(\omega\) highlight the dominant nonlinear and interactive controls of by-product production, inhibition, and nutrient-linked detoxification on bloom stability.

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