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[Hartlaubella gelatinosa] and [Conopeum reticulum] on low salinity infralittoral mixed substrata

Description of [Hartlaubella gelatinosa] and [Conopeum reticulum] on low salinity infralittoral mixed substrata

Identity:

flag A3.363
creatorIdentity remo
creationTime 2017-08-16T16:38:13.530
Last Maintainer Identity remo
modificationTime 2016-03-16T18:42:49
id 3111
imageSize 0 Bytes

Upper estuarine mixed hard substrata colonised by very sparse communities of animals with low species richness and with a few seaweeds in very shallow water. In the Tamar estuary the hydroid Hartlaubella gelatinosa and bryozoan Conopeum reticulum are found on stones. In the River Dart the bryozoan Bowerbankia imbricata is most abundant. The mussel Mytilus edulis, the crab Carcinus maenas and the hydroid Obelia dichotoma can be present. A similar brackish-water rocky biotope is recorded from the Bann Estuary, Northern Ireland. There are considerable differences in species composition between sites, but all occur in brackish turbid-water conditions. More information required to validate this description.