Biodiversity & Conservation

Polyides rotundus, Ahnfeltia plicata and Chondrus crispus on sand-covered infralittoral rock

IR.MIR.SedK.PolAhn


<i>%Polyides rotundus%</i>, <i>%Ahnfeltia plicata%</i> and <i>%Chondrus crispus%</i> on sand-covered infralittoral rock
Distribution map

IR.MIR.SedK.PolAhn recorded (dark blue bullet) and expected (light blue bullet) distribution in Britain and Ireland (see below)


  • EC_Habitats

Recorded distribution in Britain and Ireland

Occurs in the Orkney Islands, western Scotland, Cardigan Bay, the southwest peninsula and the Isles of Scilly.

Habitat preferences

Temperature range preferences - no information found

Water clarity preferences - Medium clarity / Medium turbidity

Limiting Nutrients - Nitrogen (nitrates)
Phosphorus (phosphates)

Other preferences -

Additional information


This review can be cited as follows:

Rayment, W.J. 2002. Polyides rotundus, Ahnfeltia plicata and Chondrus crispus on sand-covered infralittoral rock. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 20/12/2014]. Available from: <http://www.marlin.ac.uk/habitatpreferences.php?habitatid=222&code=1997>