Spio filicornis and Spiophanes bombyx infralittoral clean or muddy sand
|Within Vocab||Marine Habitat Classification for Britain and Ireland Version 97.06|
|Definition||Fine, clean or slightly muddy sands may support a community dominated by the polychaetes Spio filicornis, Spiophanes bombyx and Nephtys hombergii. This is a biotope that is known from varied sediment conditions and occasionally occurs in coarser sands. The biotope may be transitional or part of a succession / cycle between CMS.AfilEcor and IGS.FabMag (see Salzwedel, Rachor & Gerdes 1985). Elements of the communities of these two biotopes are evident in IMS.SpiSpi as well as similarities with IMS.MacAbr and CMS.AbrNucCor. Ophiura albida may be common (more than 100 m-2). However, community composition may also be quite varied and may also contain Fabulina fabula, Magelona mirabilis, and Lanice conchilega. Spio filicornis and Spiophanes bombyx occur in several other biotopes therefore records should only be assigned to this biotope if they clearly do not fit the more stable and widely-occurring biotopes listed above. [The validity of this biotope in Britain and Ireland is uncertain].|
|Has Current Version||1|
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