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The impact of white LED lighting on colonization by mobile marine invertebrates. Dark grey bars are controls, light grey are 19 lux and open are 30 lux at the sea surface. Error bars represent standard errors. Significant differences between each light treatment and controls are denoted for 95% ‘*’, 99% ‘**’ or more than 99% ‘***’ confidence levels. Statistical output for species significantly affected by light treatment is given in table 2.
