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. 2015 Aug 26;10(8):e0135213. doi: 10.1371/journal.pone.0135213

Fig 4. Regressions of directionality (Rayleigh’s r) on solar index and cloud cover for C. chromis and S. smaris.

Fig 4

Regression lines are drawn for significant correlations only. Directionality was strong in the morning and decreased linearly along the day. Directionality decreased linearly with cloud cover for C. chromis.