Mediomastus fragilis - Wikipedia
WEBMediomastus fragilis is een borstelworm uit de familie Capitellidae. Het lichaam van de worm bestaat uit een kop, een cilindrisch, gesegmenteerd lichaam en een staartstukje. De kop bestaat uit een prostomium (gedeelte voor de mondopening) en een peristomium (gedeelte rond de mond) en draagt gepaarde aanhangsels ( palpen , antennen en cirri ).
Mediomastus fragilis Rasmussen (Polychaeta: Capitellidae), a …
WEBMEDIOMASTUS FRAGILIS Rasmussen Description Sexually mature specimens with more than 100 segments measure 15-40 mm long and are colourless in alcohol. The prostomium is a conical lobe without eyes. There are eleven thoracic segments of which the first is asetose (Fig 1. A) . Deep-set, reddish-brown (in alcohol) eyes are present
Mediomastus fragilis , Lumbrineris spp. and venerid bivalves …
WEBApr 22, 2019 · [Mediomastus fragilis], [Lumbrineris] spp. and venerid bivalves in circalittoral coarse sand or gravel Circalittoral gravels, coarse to medium sands, and shell gravels, sometimes with a small amount of silt and generally in relatively deep water (generally over 15-20m), may be characterised by polychaetes such as [Mediomastus …
EUNIS -Factsheet for Mediomastus fragilis, Lumbrineris [spp. and ...
WEBDescription (English) Circalittoral gravels, coarse to medium sands, and shell gravels, sometimes with a small amount of silt and generally in relatively deep water (generally over 15-20m), may be characterised by polychaetes such as Mediomastus fragilis, Lumbrineris spp., Glycera lapidum with the pea urchin Echinocyamus pusillus.Other taxa may …
Mediomastus fragilis and cirratulids in infralittoral mixed …
WEBInfralittoral shallow mixed sediment, characterised by diverse number of cirratulid polychaetes, bivalves and amphipods. This biotope has been found in Bembridge (recommended MCZ), located in the Eastern English Channel adjacent to the eastern end of the Isle of Wight. The description of this biotope is based on infauna recorded from …
British Ecological Society
WEBAug 12, 2022 · Overall, the community was best characterised as a classic SS. SCS. CCS. MedLumVen (Mediomastus fragilis, Lumbrineris spp. and venerid bivalves in circalittoral coarse sand or gravel). This biotope has previously been described as the 'Deep Venus Community' and the 'Boreal Off-Shore Gravel Association'.
NDFF Verspreidingsatlas | Mediomastus fragilis
WEBVerspreiding en ecologie van Mediomastus fragilis. ANEMOON Verspreidingsatlas Wormen. Verspreidingsatlas
Mediomastus fragilis, Lumbrineris spp. and venerid bivalves in ...
WEBMediomastus fragilis increased in abundance (Dauvin, 2000). Other studies support the conclusion that polychaetes are generally a tolerant taxa. Hiscock et al. (2004; 2005, from Levell et al., 1989) described Glycera spp. as a very tolerant taxa, found in enhanced abundances in the transitional zone along hydrocarbon contamination gradients ...
Mediomastus fragilis Rasmussen (Polychaeta: Capitellidae), a …
WEBA genus of capitellid polychaetes with ten species of which only M. fragilis, described from the Danish Isefjord by Rasmussen by Rasmussen (1973), has been found in European waters. Mediomastus Hartman (1944) is a genus of capitellid polychaetes with ten species of which only M. fragilis, described from the Danish Isefjord by Rasmussen (1973), has …
Mediomastus fragilis and cirratulids in infralittoral mixed …
WEBMediomastus fragilis, Aphelochaeta marioni and Nucula nitidosa were characterized as Group IV, "second-order opportunistic species, insensitive to higher amounts of sedimentation; although they are sensitive to strong fluctuations in sedimentation, their populations recover relatively quickly and even benefit; this causes their population sizes …
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