Biodiversity & Conservation

Macoma balthica and Abra alba in infralittoral muddy sand or mud

SS.SMu.ISaMu.NhomMac


<i>%Macoma balthica%</i> and <i>%Abra alba%</i> in infralittoral muddy sand or mud
Distribution map

SS.SMu.ISaMu.NhomMac 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 Tolerant Not relevant Not sensitive Not relevant Low
Increase in suspended sediment Tolerant* Not relevant Not sensitive* Rise Moderate
Decrease in suspended sediment Low Very high Very low No change Moderate
Desiccation Not relevant Not relevant Not relevant Not relevant Not relevant
Increase in emergence regime Not relevant Not relevant Not relevant Not relevant Not relevant
Decrease in emergence regime Not relevant Not relevant Not relevant Not relevant Not relevant
Increase in water flow rate High High Moderate Decline Moderate
Decrease in water flow rate Low Very high Very low Decline Moderate
Increase in temperature Low Immediate Not sensitive No change Moderate
Decrease in temperature Intermediate High Low Decline Moderate
Increase in turbidity Low Very high Very low No change Low
Decrease in turbidity Tolerant Not relevant Not sensitive No change Moderate
Increase in wave exposure Intermediate High Low Decline Moderate
Decrease in wave exposure Tolerant Not relevant Not sensitive No change Low
Noise Tolerant Not relevant Not sensitive Not relevant Moderate
Visual Presence Tolerant Not relevant Not sensitive Not relevant Low
Abrasion & physical disturbance Intermediate High Low Decline Moderate
Displacement Intermediate Immediate Very low Minor decline Low

Chemical Factors

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

Biological Factors

Click factor name to view rationale Intolerance Recoverability Sensitivity Species Richness Evidence / Confidence
Introduction of microbial pathogens/parasites Intermediate Insufficient information High Low
Introduction of non-native species Insufficient information Not relevant Insufficient information Not relevant Not relevant
Extraction of this species Intermediate High Low Decline Low
Extraction of other species Not relevant Not relevant Not relevant Not relevant Not relevant

Species used to indicate biotope intolerance

Physical factors

Macoma balthica
Key functional
Abra alba
Key functional
Fabulina fabula
Important functional
Echinocardium cordatum
Important functional
Nephtys hombergii
Important characterizing
Crangon crangon
Important other
Substratum LossHighHighHighHighIntermediateHigh
SmotheringTolerantLowLowTolerantTolerantIntermediate
Increase in suspended sedimentTolerant*Tolerant*Tolerant*LowTolerantTolerant
Decrease in suspended sedimentLowLowLowNot relevantTolerant
DesiccationTolerantLowLowLowNot relevantHigh
Increase in emergence regimeLowIntermediateIntermediateLowNot relevantNot relevant
Decrease in emergence regimeTolerantTolerantTolerantLowNot relevant
Increase in water flow rateIntermediateLowIntermediateIntermediateLowLow
Decrease in water flow rateTolerantLowIntermediateTolerantTolerant
Increase in temperatureLowLowLowIntermediateTolerantTolerant
Decrease in temperatureTolerantIntermediateLowTolerantTolerant
Increase in turbidityLowLowLowLowNot relevantTolerant*
Decrease in turbidityTolerantTolerantTolerant*Not relevantTolerant
Increase in wave exposureIntermediateIntermediateIntermediateIntermediateIntermediateTolerant
Decrease in wave exposureTolerantTolerantLowTolerantTolerant
NoiseTolerantTolerantTolerantTolerantTolerantTolerant
Visual PresenceTolerantNot relevantTolerantNot relevantTolerantLow
Abrasion & physical disturbanceIntermediateIntermediateIntermediateHighIntermediateLow
DisplacementIntermediateIntermediateIntermediateLowTolerantTolerant

Chemical factors

Macoma balthica
Key functional
Abra alba
Key functional
Fabulina fabula
Important functional
Echinocardium cordatum
Important functional
Nephtys hombergii
Important characterizing
Crangon crangon
Important other
Synthetic compound contaminationHighHighHighHighIntermediateIntermediate
Heavy metal contaminationHighIntermediateIntermediateIntermediateIntermediateIntermediate
Hydrocarbon contaminationHighLowIntermediateHighHighHigh
Radionuclide contaminationInsufficient informationInsufficient informationInsufficient informationInsufficient informationInsufficient informationInsufficient information
Changes in nutrient levelsTolerant*Tolerant*IntermediateHighLowIntermediate
Increase in salinityLowNot relevantTolerantIntermediateLowTolerant
Decrease in salinityLowIntermediateIntermediateLowLow
Changes in oxygenationLowTolerantIntermediateHighTolerantLow

Biological factors

Macoma balthica
Key functional
Abra alba
Key functional
Fabulina fabula
Important functional
Echinocardium cordatum
Important functional
Nephtys hombergii
Important characterizing
Crangon crangon
Important other
Introduction of microbial pathogens/parasitesIntermediateInsufficient informationIntermediateLowInsufficient informationLow
Introduction of non-native speciesInsufficient informationNot relevantTolerantNot relevantTolerantInsufficient information
Extraction of this speciesNot relevantNot relevantNot relevantIntermediateIntermediateIntermediate
Extraction of other speciesIntermediateIntermediateInsufficient informationIntermediateHighTolerant*

Species used to indicate biotope recoverability

Physical factors

Macoma balthica
Key functional
Abra alba
Key functional
Fabulina fabula
Important functional
Echinocardium cordatum
Important functional
Nephtys hombergii
Important characterizing
Crangon crangon
Important other
Substratum LossHighHighHighHighVery highVery high
SmotheringNot relevantImmediateImmediateNot relevantNot relevantVery high
Increase in suspended sedimentNot relevantNot relevantNot relevantHighNot relevantNot relevant
Decrease in suspended sedimentVery highImmediateVery highNot relevantNot relevant
DesiccationNot relevantImmediateVery highHighNot relevantVery high
Increase in emergence regimeVery highVery highHighHighNot relevantNot relevant
Decrease in emergence regimeNot relevantNot relevantNot relevantVery highNot relevant
Increase in water flow rateHighVery highHighHighVery highImmediate
Decrease in water flow rateNot relevantVery highHighNot relevantNot relevant
Increase in temperatureVery highVery highVery highHighNot relevantNot relevant
Decrease in temperatureNot relevantVery highVery highNot relevantNot relevant
Increase in turbidityVery highVery highVery highHighNot relevantNot relevant
Decrease in turbidityNot relevantNot relevantNot relevantNot relevantNot relevant
Increase in wave exposureHighVery highHighHighVery highNot relevant
Decrease in wave exposureNot relevantNot relevantVery highNot relevantNot relevant
NoiseNot relevantNot relevantNot relevantNot relevantNot relevantNot relevant
Visual PresenceNot relevantNot relevantNot relevantNot relevantNot relevantImmediate
Abrasion & physical disturbanceHighVery highHighHighVery highVery high
DisplacementHighImmediateHighHighImmediateNot relevant

Chemical factors

Macoma balthica
Key functional
Abra alba
Key functional
Fabulina fabula
Important functional
Echinocardium cordatum
Important functional
Nephtys hombergii
Important characterizing
Crangon crangon
Important other
Synthetic compound contaminationHighHighHighHighHighVery high
Heavy metal contaminationHighHighHighHighHighVery high
Hydrocarbon contaminationHighVery highModerateHighHighVery high
Radionuclide contaminationNot relevantNot relevantInsufficient informationInsufficient informationNot relevantNot relevant
Changes in nutrient levelsNot relevantNot relevantHighHighVery highVery high
Increase in salinityVery highNot relevantNot relevantHighVery highNot relevant
Decrease in salinityVery highVery highHighVery highVery high
Changes in oxygenationVery highNot relevantHighHighNot relevantVery high

Biological factors

Macoma balthica
Key functional
Abra alba
Key functional
Fabulina fabula
Important functional
Echinocardium cordatum
Important functional
Nephtys hombergii
Important characterizing
Crangon crangon
Important other
Introduction of microbial pathogens/parasitesHighNot relevantHighHighNot relevantVery high
Introduction of non-native speciesNot relevantNot relevantNot relevantNot relevantNot relevantInsufficient information
Extraction of this speciesNot relevantNot relevantNot relevantHighVery highVery high
Extraction of other speciesHighVery highInsufficient informationHighVery highNot relevant

This review can be cited as follows:

Budd, G.C. 2007. Macoma balthica and Abra alba in infralittoral muddy sand or mud. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 22/08/2014]. Available from: <http://www.marlin.ac.uk/habitatsensitivity.php?habitatid=173&code=2004>