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Settlement of bivalve spat on artificial collectors in Eyjafjordur, North Iceland Garcia, E.G.; Thorarinsdottir, G.G.; Ragnarsson, S.A. (2003). Settlement of bivalve spat on artificial collectors in Eyjafjordur, North Iceland, in: Jones, M.B. et al. Migrations and dispersal of marine organisms: Proceedings of the 37th European Marine Biology Symposium held in Reykjavik, Iceland, 5-9 August 2002. Developments in Hydrobiology, 174: pp. 131-141. https://dx.doi.org/10.1007/978-94-017-2276-6_15 In: Jones, M.B. et al. (2003). Migrations and dispersal of marine organisms: Proceedings of the 37th European Marine Biology Symposium held in Reykjavik, Iceland, 5-9 August 2002. Reprinted from Hydrobiologia 503. European Marine Biology Symposia, 37. Developments in Hydrobiology, 174. ISBN 978-90-481-6480-6; e-ISBN 978-94-017-2276-6. XII, 262 pp. https://dx.doi.org/10.1007/978-94-017-2276-6 In: European Marine Biology Symposia. Is gerelateerd aan: Garcia, E.G.; Thorarinsdottir, G.G.; Ragnarsson, S.A. (2003). Settlement of bivalve spat on artificial collectors in Eyjafjordur, North Iceland. Hydrobiologia 503: 131-141. https://dx.doi.org/10.1023/B:HYDR.0000008495.24479.4f, meer

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Beschikbaar in	Auteurs
VLIZ [ aanvragen ]
Documenttype: Congresbijdrage

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Trefwoorden

Animal appendages > Byssus Behaviour > Settling behaviour Developmental stages > Larvae > Invertebrate larvae > Molluscan larvae > Spat Substrata > Artificial substrata Arctica islandica (Linnaeus, 1767) [WoRMS]; Chlamys islandica (O. F. Müller, 1776) [WoRMS]; Hiatella arctica (Linnaeus, 1767) [WoRMS]; Mytilus edulis Linnaeus, 1758 [WoRMS]; Serripes (Serripes) groenlandicus (Mohr, 1786) [WoRMS] Eyjafjordur [Marine Regions] Marien/Kust

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Auteurs		Top
Garcia, E.G. Thorarinsdottir, G.G. Ragnarsson, S.A.

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Abstract

The seasonal pattern of bivalve spat settlement in Eyjafjordur, North Iceland, was investigated using artificial collectors of monofilament netting over 14 months (March 1998-January 2000) at 5, 10 and 15 m depth. SCUBA divers replaced the collectors at 4-weekly intervals. Twelve bivalve species settled on the collectors but only Mytilus edulis and Hiatella arctica were present throughout the year; they were the most abundant bivalve taxa. Of the remaining species, only Chlamys islandica, Heteranomia spp., Arctica islandica, Serripes groenlandicus and Mya spp. were sufficiently abundant to enable statistical analysis. All settled in late summer and autumn. Peak settlement of M. edulis, in September, consisted mainly of primary settlers (0.25-0.5 mm) although secondary settlers (>0.5 mm) were present in all samples. Mytilus edulis settled mostly at 5 m depth, especially larger individuals, possibly reflecting stronger currents at shallower depth and the proximity of mussel beds in the intertidal zone. Primary (<1 mm) and secondary H. arctica settlers (>1 mm) were present in most months, with the former being most numerous in September, 1999; settlement was equally abundant at 5 and 10 m depth. Primary settlement of C. islandica and S. groenlandicus occurred in autumn (mainly in September), and secondary settlers were very scarce and only seen in winter. Arctica islandica, Heteranomia spp. and Mya spp. settled mainly in September 1999 at 10 m depth, except for A. islandica, which was more numerous in August.

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