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Fig. 5 | Helgoland Marine Research

Fig. 5

From: Grazing effects of the periwinkle Echinolittorina peruviana at a central Peruvian high rocky intertidal

Fig. 5

Barnacle percentage cover 18 months after experiments starting (April 2007) in exclusions (E), experimental controls (EC), controls (C), and unmanipulated plots (U) in the upper (a) and lower (b) high-intertidal zones. Error bars represent 1st and 99th percentiles, boxes are 25th and 75th percentiles and squares within boxes are the median. Different letters indicate statistical differences among treatments (one-way ANOVA, Tuckey HSD test, P < 0.05; analysis for the lower zone was done on log transformed data)

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Helgoland Marine Research

ISSN: 1438-3888

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