Fig. 7
From: Severe decline of Gongolaria barbata (Fucales) along most of the French Mediterranean coast

Gongolaria barbata in Corsica. White circle = still present in a historical site; black circle = new site; black cross = extinct in an historical site. Dates and sites in boldface: G. barbata still present or currently present. Lagoons filled with crosses (XXX) = presence of the invasive Sargassum muticum. The map was created by Aurélie Blanfuné using ESRI/ArcGis10® software.