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Overview
Distribution
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Hayward, P.J. (2001). Bryozoa, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 325-333
http://www.marinespecies.org/aphia.php?p=sourcedetails&id=1369
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De Blauwe, H. (2009). Mosdiertjes van de Zuidelijke Bocht van de Noordzee. Determinatiewerk voor België en Nederland. Uitgave Vlaams Instituut voor de Zee, Oostende: 464pp.
http://www.marinespecies.org/aphia.php?p=sourcedetails&id=130048
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MEDIN (2011). UK checklist of marine species derived from the applications Marine Recorder and UNICORN, version 1.0.
http://www.marinespecies.org/asteroidea/aphia.php?p=sourcedetails&id=149081
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Ramos, M. (ed.). 2010. IBERFAUNA. The Iberian Fauna Databank
http://www.marinespecies.org/aphia.php?p=sourcedetails&id=149024
© WoRMS for SMEBD
Source:
World Register of Marine Species
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Escharina johnstoni is distributed along the western coasts of the British Isles, from Shetland to the western approaches to the English Channel, the Atlantic coasts of Spain and Straits of Gibraltar.
© Natural History Museum, London
Source:
Bryozoa of the British Isles
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Physical Description
Morphology
Escharina johnstoni is an encrusting bryozoan that forms small, discoid or irregular patches composed of a single layer of autozooids. Autozooids are oval elongate and strongly convex. They are 0.5-0.7 by 0.3-0.4 mm, and lack oral spines.
© Natural History Museum, London
Source:
Bryozoa of the British Isles
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Ecology
Habitat
Water temperature and chemistry ranges based on 4 samples.
Environmental ranges
Depth range (m): 110 - 480
Temperature range (°C): -1.947 - 1.356
Nitrate (umol/L): 31.195 - 33.521
Salinity (PPS): 34.275 - 34.693
Oxygen (ml/l): 4.100 - 7.317
Phosphate (umol/l): 2.066 - 2.465
Silicate (umol/l): 61.249 - 110.126
Graphical representation
Depth range (m): 110 - 480
Temperature range (°C): -1.947 - 1.356
Nitrate (umol/L): 31.195 - 33.521
Salinity (PPS): 34.275 - 34.693
Oxygen (ml/l): 4.100 - 7.317
Phosphate (umol/l): 2.066 - 2.465
Silicate (umol/l): 61.249 - 110.126
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
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The species is able to colonise small stones and shells in offshore waters, possibly ranging to the edge of the continental shelf.
© Natural History Museum, London
Source:
Bryozoa of the British Isles
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