Location of the sampling sites (red outline) and position of the sampling stations (black outline) on French coasts of the English Channel. White crosses and circles respectively represent intertidal and subtidal sites. Names of sites are abbreviated such as BV: Bay of Veys, CO (Caen-Ouistreham harbour) O (Orne estuary), LH (Le Havre harbour), AE (Authie estuary), BL (Boulogne-sur-Mer harbour), CL (Calais harbour), DK (Dunkerque harbour).

 
 
  Part of: Pavard J-C, Bouchet VMP, Richirt J, Courleux A, Armynot du Châtelet E, Duong G, Abraham R, Pezy J-P, Dauvin J-C, Seuront L (2023) Preferential presence in harbours confirms the non-indigenous species status of Ammonia confertitesta (Foraminifera) in the English Channel. Aquatic Invasions 18(3): 351-369. https://doi.org/10.3391/ai.2023.18.3.106635