CREPIT

Type Oceanographic cruise
Ship Thalia
Ship owner Ifremer
Dates 18/06/2012 - 29/06/2012
Chief scientist(s) CARLIER Antoine

DYNECO-LEBCO LABORATOIRE D'ÉCOLOGIE BENTHIQUE CÔTIÈRE

IFREMER Centre de Bretagne

ZI Pointe du diable

CS 10070

29280 PLOUZANE

+33 (0)2 98 22 49 19

Philippe.Cugier@ifremer.fr

http://wwz.ifremer.fr/dyneco/Lab.-Lebco

DOI 10.17600/12070090
Objective The CREPIT cruise aims to answer the following 3 questions: 1. What is the recent evolution of crepidula proliferation in the Bay of Saint-Brieuc? 2. How does the structure of an impacted benthic community evolve, re the specific and functional biodiversity (i.e. in terms of the complexity of trophic interactions), with increasing density of crepidula on the seabed? 3. What impact will the offshore wind farm in the Bay of Saint-Brieuc have on the proliferation of crepidula? The related project is "Benthic habitats". The project's study area is located in the eastern part of the Bay of Saint-Brieuc. An approach using sonar, video and grab samples was made on a sector (50km2) already studied in 2005. It is located in the eastern part of the bay, called the Comtesses zone, near Erquy where water depths do not exceed 20m. Plankton net hauls were made in the southern part of the zone of a future offshore wind farm, to the north of Erquy.

Data managed by SISMER