Influence of light on the fixation of Ostrea edulis and Crepidula fornicata on oyster collectors in 1964

Counts of fixed <i>Ostrea edulis</i> and <i>Crepidula fornicata</i> species on 4 zones of a tile from an oyster collector in relationship to light intensity. The data were digitized by VLIZ from the original report: Bracke, E.; Polk, P. (1969). Contribution à la connaissance de la faune marine de la côte belge: 6. L'influence de la lumière sur la fixation d'Ostrea edulis (L) et de Crepidula fornicata (L) sur les collecteurs d'huîtres.