Biodiversity & Conservation

Barnacles and Patella spp. on exposed or moderately exposed, or vertical sheltered, eulittoral rock

LR.ELR.MB.BPat.Fvesl


ELR.Bpat

Image Jon Davies - View of vertical bedrock shore. Image width ca XX cm.
Image copyright information

Distribution map

LR.ELR.MB.BPat.Fvesl 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 High Moderate Major decline High
Smothering High High Moderate Decline Moderate
Increase in suspended sediment Low Very high Very low No change High
Decrease in suspended sediment Low Very high Very low No change High
Desiccation Intermediate High Low No change Moderate
Increase in emergence regime Low High Low No change High
Decrease in emergence regime Low High Low No change High
Increase in water flow rate Low High Low No change Moderate
Decrease in water flow rate Low High Low No change Moderate
Increase in temperature Low Very high Very low No change High
Decrease in temperature Low Very high Very low No change High
Increase in turbidity Tolerant Not relevant Not sensitive No change High
Decrease in turbidity Tolerant Not relevant Not sensitive No change High
Increase in wave exposure High High Moderate Minor decline Moderate
Decrease in wave exposure High High Moderate Rise Moderate
Noise Tolerant Not relevant Not sensitive Not relevant High
Visual Presence Tolerant Not relevant Not sensitive Not relevant High
Abrasion & physical disturbance High High Moderate Minor decline High
Displacement High High Moderate Decline High

Chemical Factors

Click factor name to view rationale Intolerance Recoverability Sensitivity Species Richness Evidence / Confidence
Synthetic compound contamination High High Moderate Minor decline High
Heavy metal contamination Low Very high Very low No change Moderate
Hydrocarbon contamination High Moderate Moderate No change High
Radionuclide contamination Insufficient information Insufficient information Insufficient information Not relevant Not relevant
Changes in nutrient levels Intermediate High Low Decline Low
Increase in salinity High High Moderate Decline Low
Decrease in salinity High High Moderate Decline Low
Changes in oxygenation Low Immediate Not sensitive No change Moderate

Biological Factors

Click factor name to view rationale Intolerance Recoverability Sensitivity Species Richness Evidence / Confidence
Introduction of microbial pathogens/parasites Low High Low Moderate
Introduction of non-native species Low High Low No change Moderate
Extraction of this species Not relevant Not relevant Not relevant Not relevant Not relevant
Extraction of other species Low High Low No change Moderate

Species used to indicate biotope intolerance

Physical factors

Semibalanus balanoides
Key structural
Patella vulgata
Key structural
Nucella lapillus
Important functional
Substratum LossHighHighHigh
SmotheringIntermediateHighLow
Increase in suspended sedimentLowLowLow
Decrease in suspended sedimentLowTolerant
DesiccationIntermediateLowIntermediate
Increase in emergence regimeHighLowIntermediate
Decrease in emergence regimeTolerant
Increase in water flow rateLowLowLow
Decrease in water flow rateTolerant
Increase in temperatureIntermediateLowIntermediate
Decrease in temperatureLow
Increase in turbidityLowLowTolerant
Decrease in turbidityTolerant
Increase in wave exposureLowLowIntermediate
Decrease in wave exposureIntermediate
NoiseTolerantLowTolerant
Visual PresenceTolerantTolerantTolerant
Abrasion & physical disturbanceIntermediateLowLow
DisplacementHighIntermediateIntermediate

Chemical factors

Semibalanus balanoides
Key structural
Patella vulgata
Key structural
Nucella lapillus
Important functional
Synthetic compound contaminationIntermediateHighHigh
Heavy metal contaminationLowIntermediateLow
Hydrocarbon contaminationIntermediateHighIntermediate
Radionuclide contaminationInsufficient informationInsufficient informationInsufficient information
Changes in nutrient levelsIntermediateLowHigh
Increase in salinityLowLowLow
Decrease in salinityIntermediate
Changes in oxygenationIntermediateIntermediateIntermediate

Biological factors

Semibalanus balanoides
Key structural
Patella vulgata
Key structural
Nucella lapillus
Important functional
Introduction of microbial pathogens/parasitesIntermediateInsufficient informationIntermediate
Introduction of non-native speciesIntermediateNot relevantInsufficient information
Extraction of this speciesNot relevantIntermediateNot relevant
Extraction of other speciesIntermediateLowLow

Species used to indicate biotope recoverability

Physical factors

Semibalanus balanoides
Key structural
Patella vulgata
Key structural
Nucella lapillus
Important functional
Substratum LossHighHighLow
SmotheringHighHighImmediate
Increase in suspended sedimentVery highHighImmediate
Decrease in suspended sedimentHighNot relevant
DesiccationHighHighHigh
Increase in emergence regimeHighHighHigh
Decrease in emergence regimeNot relevant
Increase in water flow rateVery highHighVery high
Decrease in water flow rateNot relevant
Increase in temperatureHighHighHigh
Decrease in temperatureVery high
Increase in turbidityVery highVery highNot relevant
Decrease in turbidityNot relevant
Increase in wave exposureHighHighHigh
Decrease in wave exposureHigh
NoiseNot relevantHighNot relevant
Visual PresenceNot relevantNot relevantNot relevant
Abrasion & physical disturbanceHighVery highImmediate
DisplacementHighHighHigh

Chemical factors

Semibalanus balanoides
Key structural
Patella vulgata
Key structural
Nucella lapillus
Important functional
Synthetic compound contaminationModerateHighLow
Heavy metal contaminationHighHighVery high
Hydrocarbon contaminationModerateHighHigh
Radionuclide contaminationNot relevantInsufficient informationInsufficient information
Changes in nutrient levelsHighHighLow
Increase in salinityHighHighVery high
Decrease in salinityHigh
Changes in oxygenationHighHighHigh

Biological factors

Semibalanus balanoides
Key structural
Patella vulgata
Key structural
Nucella lapillus
Important functional
Introduction of microbial pathogens/parasitesHighInsufficient informationHigh
Introduction of non-native speciesHighNot relevantNot relevant
Extraction of this speciesNot relevantHighNot relevant
Extraction of other speciesHighHighVery high

This review can be cited as follows:

Hill, J.M. 2001. Barnacles and Patella spp. on exposed or moderately exposed, or vertical sheltered, eulittoral rock. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 26/11/2014]. Available from: <http://www.marlin.ac.uk/habitatsensitivity.php?habitatid=199&code=1997>