Figure 6From: Competition between the invasive macrophyte Caulerpa taxifolia and the seagrass Posidonia oceanica: contrasting strategiesPosidonia primary productionr. Net primary production (in g dry weight shoot-1 yr-1) of Posidonia oceanica dedicated to rhizomes, sheaths and blades, according to the level of interaction with Caulerpa taxifolia. The method of estimation (see [21] Pergent and Pergent-Martini, 1991) does not allow calculation of a confidence interval.Back to article page