Biodiversity & Conservation

Laminaria hyperborea with dense foliose red seaweeds on exposed infralittoral rock.

IR.EIR.KFaR.LhypR


EIR.LhypR

Image Anon. - Laminaria hyperborea forest with dense foliose red seaweeds on exposed upper infralittoral rock (EIR.LhypR.Ft). Image width ca 3 m in foreground.
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Distribution map

IR.EIR.KFaR.LhypR recorded (dark blue bullet) and expected (light blue bullet) distribution in Britain and Ireland (see below)


  • EC_Habitats

Habitat sensitivity

Physical Factors

Click factor name to view rationale Intolerance Recoverability Sensitivity Species Richness Evidence / Confidence
Substratum Loss High Moderate Moderate Decline Moderate
Smothering Intermediate High Low Decline Low
Increase in suspended sediment Intermediate Very high Low Decline Low
Decrease in suspended sediment Tolerant Not relevant Not sensitive No change Low
Desiccation High Moderate Moderate Decline Moderate
Increase in emergence regime High Moderate Moderate Decline Low
Decrease in emergence regime Tolerant* Not relevant Not sensitive* No change Low
Increase in water flow rate High Moderate Moderate Minor decline Low
Decrease in water flow rate Low Very high Very low No change Low
Increase in temperature High Moderate Moderate Decline Low
Decrease in temperature Low Very high Very low No change Very low
Increase in turbidity Intermediate Moderate Moderate Minor decline Moderate
Decrease in turbidity Tolerant* Not relevant Not sensitive* No change Moderate
Increase in wave exposure Intermediate Moderate Moderate Minor decline Moderate
Decrease in wave exposure High Moderate Moderate Decline Moderate
Noise Tolerant Not relevant Not sensitive Not relevant Very low
Visual Presence Tolerant Not relevant Not sensitive Not relevant Very low
Abrasion & physical disturbance Intermediate Moderate Moderate Decline Moderate
Displacement High Moderate Moderate Decline Moderate

Chemical Factors

Click factor name to view rationale Intolerance Recoverability Sensitivity Species Richness Evidence / Confidence
Synthetic compound contamination Intermediate High Low Minor decline Moderate
Heavy metal contamination Intermediate High Low Minor decline Low
Hydrocarbon contamination Intermediate High Low Minor decline Moderate
Radionuclide contamination Insufficient information Insufficient information Insufficient information Insufficient Information Not relevant
Changes in nutrient levels Intermediate Moderate Moderate Decline Low
Increase in salinity Not relevant Not relevant Not relevant Not relevant Not relevant
Decrease in salinity Intermediate Moderate Moderate Minor decline Low
Changes in oxygenation Intermediate High Low Decline Very low

Biological Factors

Click factor name to view rationale Intolerance Recoverability Sensitivity Species Richness Evidence / Confidence
Introduction of microbial pathogens/parasites Intermediate High Low Moderate
Introduction of non-native species Intermediate High Low Minor decline Very low
Extraction of this species Intermediate Moderate Moderate Decline Moderate
Extraction of other species High Moderate Moderate Decline Moderate

Species used to indicate biotope intolerance

Physical factors

Laminaria hyperborea
Key structural
Echinus esculentus
Key functional
Delesseria sanguinea
Important characterizing
Substratum LossHighHighHigh
SmotheringLowIntermediateIntermediate
Increase in suspended sedimentLowLowLow
Decrease in suspended sediment
DesiccationHighIntermediateHigh
Increase in emergence regimeHighLowIntermediate
Decrease in emergence regime
Increase in water flow rateHighLowIntermediate
Decrease in water flow rate
Increase in temperatureHighIntermediateLow
Decrease in temperature
Increase in turbidityIntermediateLowTolerant
Decrease in turbidity
Increase in wave exposureHighLowTolerant
Decrease in wave exposure
NoiseTolerantTolerantTolerant
Visual PresenceTolerantLowTolerant
Abrasion & physical disturbanceIntermediateIntermediateIntermediate
DisplacementHighLowHigh

Chemical factors

Laminaria hyperborea
Key structural
Echinus esculentus
Key functional
Delesseria sanguinea
Important characterizing
Synthetic compound contaminationLowHighHigh
Heavy metal contaminationIntermediateHighLow
Hydrocarbon contaminationLowHighHigh
Radionuclide contaminationInsufficient informationInsufficient informationInsufficient information
Changes in nutrient levelsIntermediateTolerant*Low
Increase in salinityIntermediateIntermediateLow
Decrease in salinity
Changes in oxygenationInsufficient informationIntermediateHigh

Biological factors

Laminaria hyperborea
Key structural
Echinus esculentus
Key functional
Delesseria sanguinea
Important characterizing
Introduction of microbial pathogens/parasitesLowIntermediateInsufficient information
Introduction of non-native speciesInsufficient informationNot relevantNot relevant
Extraction of this speciesIntermediateIntermediateNot relevant
Extraction of other speciesIntermediateIntermediateTolerant*

Species used to indicate biotope recoverability

Physical factors

Laminaria hyperborea
Key structural
Echinus esculentus
Key functional
Delesseria sanguinea
Important characterizing
Substratum LossModerateHighHigh
SmotheringImmediateHighHigh
Increase in suspended sedimentImmediateVery highImmediate
Decrease in suspended sediment
DesiccationModerateHighHigh
Increase in emergence regimeModerateVery highHigh
Decrease in emergence regime
Increase in water flow rateModerateVery highHigh
Decrease in water flow rate
Increase in temperatureModerateHighImmediate
Decrease in temperature
Increase in turbidityModerateVery highNot relevant
Decrease in turbidity
Increase in wave exposureModerateVery highNot relevant
Decrease in wave exposure
NoiseNot relevantNot relevantNot relevant
Visual PresenceNot relevantImmediateNot relevant
Abrasion & physical disturbanceModerateHighHigh
DisplacementModerateVery highHigh

Chemical factors

Laminaria hyperborea
Key structural
Echinus esculentus
Key functional
Delesseria sanguinea
Important characterizing
Synthetic compound contaminationImmediateHighHigh
Heavy metal contaminationImmediateHighVery high
Hydrocarbon contaminationImmediateHighHigh
Radionuclide contaminationInsufficient informationInsufficient informationNot relevant
Changes in nutrient levelsModerateNot relevantImmediate
Increase in salinityModerateHighImmediate
Decrease in salinity
Changes in oxygenationNot relevantHighHigh

Biological factors

Laminaria hyperborea
Key structural
Echinus esculentus
Key functional
Delesseria sanguinea
Important characterizing
Introduction of microbial pathogens/parasitesImmediateHighInsufficient information
Introduction of non-native speciesNot relevantNot relevantNot relevant
Extraction of this speciesModerateHighNot relevant
Extraction of other speciesModerateHighNot relevant

This review can be cited as follows:

Tyler-Walters, H. 2005. Laminaria hyperborea with dense foliose red seaweeds on exposed infralittoral rock.. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 16/09/2014]. Available from: <http://www.marlin.ac.uk/habitatsensitivity.php?habitatid=171&code=1997>