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Interactions between two deposit feeding echinoderms: the spatangoid Brissopsis lyrifera (Forbes) and the ophiuroid Amphiura chiajei Forbes
Hollertz, K.; Sköld, M.; Rosenberg, R. (1998). Interactions between two deposit feeding echinoderms: the spatangoid Brissopsis lyrifera (Forbes) and the ophiuroid Amphiura chiajei Forbes. Hydrobiologia 375: 287-295. https://dx.doi.org/10.1023/A:1017013123372
In: Hydrobiologia. Springer: The Hague. ISSN 0018-8158; e-ISSN 1573-5117, meer
Is gerelateerd aan:
Hollertz, K.; Sköld, M.; Rosenberg, R. (1998). Interactions between two deposit feeding echinoderms: the spatangoid Brissopsis lyrifera (Forbes) and the ophiuroid Amphiura chiajei Forbes, in: Baden, S. et al. Recruitment, colonization, and physical-chemical forcing in marine biological systems: Proceedings of the 32nd European Marine Biology Symposium, held in Lysekil, Sweden, 16-22 August 1997. Developments in Hydrobiology, 132: pp. 287-295. https://dx.doi.org/10.1007/978-94-017-2864-5_23, meer
Peer reviewed article  
Beschikbaar in  Auteurs 
Trefwoorden
    ANE, Kattegat
    ANE, North Sea
    ANE, Skagerrak
    Aquatic organisms > Burrowing organisms
    Aquatic organisms > Heterotrophic organisms > Detritus feeders
    Behaviour > Feeding behaviour
    Interspecific relationships
    Sediment mixing > Bioturbation
    Amphiura chiajei Forbes, 1843 [WoRMS]; Brissopsis lyrifera (Forbes, 1841) [WoRMS]
    Kattegat [Marine Regions]; Noordzee [Marine Regions]; Skagerrak [Marine Regions]
    Marien/Kust
Auteurs  Top 
  • Hollertz, K.
  • Sköld, M.
  • Rosenberg, R., meer
Abstract
    Amphiura chiajei and Brissopsis lyrifera typically co-occur on some soft bottom areas of the North Sea, the Skagerrak and the Kattegat; they form the so called ‘Brissopsis-chiajei association’. Both species are deposit feeders that live partly ( A. chiajei) or completely ( B. lyrifera) burried in the sediment. In this association, each species is expected to affect the other one, notably through its feeding and burrowing activities. This study investigates the effects on body and gonads growth in A. chiajei and B. lyrifera as a result of their co-occurrence. The experiments were performed in aquaria with natural sediments (3 months observations) and have taken in account the population densities of both species and the availability of food. The results show that B. lyrifera can negatively affect the growth of body and gonads of A. chiajei, while A. chiajei seemingly has no effect on the growth of B. lyrifera. This situation probably results from the extensive bioturbation of the sediment by B. lyrifera, who also increased its surface feeding activity when food was added to the sediment surface.
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