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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
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 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. Scope Themes: Biology > Invertebrates, Fisheries > Exploratory fishing - gear research Keywords: Brackish water, Hard substrates, Phototaxis, Phototropism, 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
Dataset status: Completed
Data type: Data
Data origin: Research: field experiment
Metadatarecord created: 2015-10-07
Information last updated: 2016-05-09
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