Biodiversity & Conservation

Fucus distichus and Fucus spiralis f. nana on extremely exposed upper shore rock

LR.HLR.FR.Fdis


ELR.Fdis

Image Sue Scott - View down shore showing upper shore bedrock with Fucus distichus and green algae. Image width ca XX cm.
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Distribution map

LR.HLR.FR.Fdis recorded (dark blue bullet) and expected (light blue bullet) distribution in Britain and Ireland (see below)


  • EC_Habitats

Marine natural heritage importance

Listed under EC Habitats Directive
National importance Rare
Habitat Directive feature (Annex 1) Reefs

Biotope importance

Shore birds feed on rocky shores on species such as limpets. Rich pickings are also available under macroalgae canopies. Fish and crustaceans, migrating into the intertidal zone to feed as the tide rises, are important predators of rocky shore species.

Exploitation

It is unlikely that species in this biotope will be exploited. The biotope occurs on remote and dangerously wave exposed shores.

Additional information icon Additional information

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This review can be cited as follows:

Hill, J.M. 2005. Fucus distichus and Fucus spiralis f. nana on extremely exposed upper shore rock. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 22/11/2014]. Available from: <http://www.marlin.ac.uk/habitatimportance.php?habitatid=234&code=2004>