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Influence of light on the fixation of Ostrea edulis and Crepidula fornicata on oyster collectors in 1964 Citable as data publication Bracke E.; Polk P.; Laboratorium voor Vergelijkende Ontleedkunde en Systematiek. RUG; Laboratorium voor Systematiek en Ekologie. VUB: Belgium; (2016): Influence of light on the fixation of Ostrea edulis and Crepidula fornicata on oyster collectors in 1964. https://doi.org/10.14284/137 Contact: Availability:  This dataset is licensed under a Creative Commons Attribution 4.0 International License.Description Counts of fixed Ostrea edulis and Crepidula fornicata 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. more The difference of phototropism and phototaxis of both molluscs influenced their fixation. The orientation of both molluscs is towards the incoming light-direction, less pronounced when the light-density to the center of the tile is decreasing. The density of the populations of oysters is increasing towards the center of the tiles by decreasing light-intensity, the density of the Crepidula-population decreasing towards the center of the collector. Lineage Prior to publication data undergo quality control checked which are described in https://github.com/EMODnet/EMODnetBiocheck?tab=readme-ov-file#understanding-the-output Scope Themes: Biology > Invertebrates, Fisheries > Exploratory fishing - gear research Keywords: Brackish water, Bio-geographical regions, Biota, Environment, Geoscientific Information, Habitats and biotopes, Hard substrates, Metadata non conformant, Metadata not evaluated, No limitations to public access, Oceans, Phototaxis, Phototropism, Sea regions, WGS84 (EPSG:4326), XYZ ASCII, ANE, Belgium, Oostende, Sluice Dock, EurOBIS calculated BBOX, Crepidula fornicata (Linnaeus, 1758), Ostrea edulis Linnaeus, 1758 Geographical coverage ANE, Belgium, Oostende, Sluice Dock [Marine Regions] EurOBIS calculated BBOX Stations Bounding Box Coordinates: MinLong: 2,9518; MinLat: 51,2284 - MaxLong: 2,9518; MaxLat: 51,2284 [WGS84] Temporal coverage 20 August 1964 - 29 October 1964 Weekly Parameters Count Count (in assayed sample) of biological entity specified elsewhere [BODC] Contributors Related datasets Publication Based on this dataset 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 Hydrobiologia 34(1): 100-125, more URLs Dataset information: Other: Dataset status: Completed Data type: Data Data origin: Research: field experiment Release date: 2020-03-06 Metadatarecord created: 2015-10-07 Information last updated: 2025-03-26 | ||||
