Biodiversity & Conservation

Barnacles and fucoids (moderately exposed shores)

LR.MLR.BF


Barnacles and fucoids (moderately exposed shores)
Distribution map

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

Chemical Factors

Click factor name to view rationale Intolerance Recoverability Sensitivity Species Richness Evidence / Confidence
Synthetic compound contamination High High Moderate Major decline Moderate
Heavy metal contamination Low High Low Decline Very low
Hydrocarbon contamination Intermediate High Low Major decline Moderate
Radionuclide contamination Insufficient information Insufficient information Insufficient information Insufficient Information Not relevant
Changes in nutrient levels Intermediate High Low Decline Low
Increase in salinity Low High Low Minor decline Low
Decrease in salinity
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 Very low
Introduction of non-native species Low High Low No change Low
Extraction of this species Intermediate High Low Decline Low
Extraction of other species Intermediate High Low No change Very low

Species used to indicate biotope intolerance

Physical factors

Fucus serratus
Key structural
Ascophyllum nodosum
Key structural
Semibalanus balanoides
Key structural
Patella vulgata
Key functional
Substratum LossHighHighHighHigh
SmotheringHighHighIntermediateHigh
Increase in suspended sedimentLowLowLowLow
Decrease in suspended sedimentLow
DesiccationIntermediateIntermediateIntermediateLow
Increase in emergence regimeIntermediateHighHighLow
Decrease in emergence regime
Increase in water flow rateIntermediateIntermediateLowLow
Decrease in water flow rate
Increase in temperatureTolerantLowIntermediateLow
Decrease in temperature
Increase in turbidityLowLowLowLow
Decrease in turbidity
Increase in wave exposureHighHighLowLow
Decrease in wave exposure
NoiseTolerantTolerantTolerantLow
Visual PresenceTolerantTolerantTolerantTolerant
Abrasion & physical disturbanceIntermediateHighIntermediateLow
DisplacementHighHighHighIntermediate

Chemical factors

Fucus serratus
Key structural
Ascophyllum nodosum
Key structural
Semibalanus balanoides
Key structural
Patella vulgata
Key functional
Synthetic compound contaminationHighIntermediateIntermediateHigh
Heavy metal contaminationLowLowLowIntermediate
Hydrocarbon contaminationIntermediateLowIntermediateHigh
Radionuclide contaminationInsufficient informationInsufficient informationInsufficient informationInsufficient information
Changes in nutrient levelsIntermediateIntermediateIntermediateLow
Increase in salinityLowLowLowLow
Decrease in salinity
Changes in oxygenationLowInsufficient informationIntermediateIntermediate

Biological factors

Fucus serratus
Key structural
Ascophyllum nodosum
Key structural
Semibalanus balanoides
Key structural
Patella vulgata
Key functional
Introduction of microbial pathogens/parasitesInsufficient informationInsufficient informationIntermediateInsufficient information
Introduction of non-native speciesInsufficient informationInsufficient informationIntermediateNot relevant
Extraction of this speciesIntermediateIntermediateNot relevantIntermediate
Extraction of other speciesTolerantTolerantIntermediateLow

Species used to indicate biotope recoverability

Physical factors

Fucus serratus
Key structural
Ascophyllum nodosum
Key structural
Semibalanus balanoides
Key structural
Patella vulgata
Key functional
Substratum LossHighLowHighHigh
SmotheringHighLowHighHigh
Increase in suspended sedimentVery highImmediateVery highHigh
Decrease in suspended sedimentHigh
DesiccationHighModerateHighHigh
Increase in emergence regimeHighLowHighHigh
Decrease in emergence regime
Increase in water flow rateHighLowVery highHigh
Decrease in water flow rate
Increase in temperatureNot relevantModerateHighHigh
Decrease in temperature
Increase in turbidityVery highImmediateVery highVery high
Decrease in turbidity
Increase in wave exposureHighLowHighHigh
Decrease in wave exposure
NoiseNot relevantNot relevantNot relevantHigh
Visual PresenceNot relevantNot relevantNot relevantNot relevant
Abrasion & physical disturbanceHighLowHighVery high
DisplacementHighLowHighHigh

Chemical factors

Fucus serratus
Key structural
Ascophyllum nodosum
Key structural
Semibalanus balanoides
Key structural
Patella vulgata
Key functional
Synthetic compound contaminationHighLowModerateHigh
Heavy metal contaminationHighHighHighHigh
Hydrocarbon contaminationHighModerateModerateHigh
Radionuclide contaminationInsufficient informationInsufficient informationNot relevantInsufficient information
Changes in nutrient levelsHighHighHighHigh
Increase in salinityVery highHighHighHigh
Decrease in salinity
Changes in oxygenationVery highInsufficient informationHighHigh

Biological factors

Fucus serratus
Key structural
Ascophyllum nodosum
Key structural
Semibalanus balanoides
Key structural
Patella vulgata
Key functional
Introduction of microbial pathogens/parasitesInsufficient informationNot relevantHighInsufficient information
Introduction of non-native speciesInsufficient informationNot relevantHighNot relevant
Extraction of this speciesHighLowNot relevantHigh
Extraction of other speciesNot relevantNot relevantHighHigh

This review can be cited as follows:

Hill, J.M. 2000. Barnacles and fucoids (moderately exposed shores). 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/habitatsensitivity.php?habitatid=33&code=2004>