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| Figure 4: Boxplot representation of benthic Chl-a concentration (μg.g-1 of sediment) measured at sediment surface in the effluent receiving mangrove (dark grey) and in the control mangrove (light grey) during 8 campaigns between February 2009 and February 2010. Significant result of comparison of means test (WMW, p< 0.05) between the two mangroves for each track is marked by a star. Significant differences test (WMW, p< 0.05) between sampling periods for each mangroves are indicated by different letters. |
