Biodiversity & Conservation

Venerupis senegalensis and Mya truncata in lower shore or infralittoral muddy gravel

SS.IMX.FaMx.VsenMtru


<i>%Venerupis senegalensis%</i> and <i>%Mya truncata%</i> in lower shore or infralittoral muddy gravel
Distribution map

SS.IMX.FaMx.VsenMtru recorded (dark blue bullet) and expected (light blue bullet) distribution in Britain and Ireland (see below)


  • EC_Habitats
  • UK_BAP

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

Chemical Factors

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

Biological Factors

Click factor name to view rationale Intolerance Recoverability Sensitivity Species Richness Evidence / Confidence
Introduction of microbial pathogens/parasites Intermediate High Low High
Introduction of non-native species Intermediate Very low / none High Minor decline Very low
Extraction of this species Intermediate High Low Minor decline High
Extraction of other species Not relevant Not relevant Not relevant Not relevant Not relevant

Species used to indicate biotope intolerance

Physical factors

Venerupis senegalensis
Important characterizing
Littorina littorea
Important other
Arenicola marina
Important other
Substratum LossHighHighHigh
SmotheringIntermediateHighTolerant
Increase in suspended sedimentLowIntermediateLow
Decrease in suspended sedimentLow
DesiccationLowLowNot relevant
Increase in emergence regimeIntermediateLowIntermediate
Decrease in emergence regimeTolerant
Increase in water flow rateIntermediateIntermediateIntermediate
Decrease in water flow rateTolerant
Increase in temperatureLowLowIntermediate
Decrease in temperatureIntermediate
Increase in turbidityLowLowLow
Decrease in turbidityTolerant
Increase in wave exposureIntermediateIntermediateIntermediate
Decrease in wave exposureTolerant
NoiseTolerantTolerantTolerant
Visual PresenceTolerantTolerantTolerant
Abrasion & physical disturbanceIntermediateIntermediateIntermediate
DisplacementIntermediateTolerantLow

Chemical factors

Venerupis senegalensis
Important characterizing
Littorina littorea
Important other
Arenicola marina
Important other
Synthetic compound contaminationHighLowHigh
Heavy metal contaminationHighIntermediateLow
Hydrocarbon contaminationIntermediateHighIntermediate
Radionuclide contaminationInsufficient informationInsufficient informationInsufficient information
Changes in nutrient levelsIntermediateTolerantIntermediate
Increase in salinityTolerantTolerantLow
Decrease in salinityIntermediate
Changes in oxygenationIntermediateLowLow

Biological factors

Venerupis senegalensis
Important characterizing
Littorina littorea
Important other
Arenicola marina
Important other
Introduction of microbial pathogens/parasitesIntermediateInsufficient informationInsufficient information
Introduction of non-native speciesInsufficient informationInsufficient informationInsufficient information
Extraction of this speciesIntermediateIntermediateIntermediate
Extraction of other speciesIntermediateTolerantIntermediate

Species used to indicate biotope recoverability

Physical factors

Venerupis senegalensis
Important characterizing
Littorina littorea
Important other
Arenicola marina
Important other
Substratum LossHighHighHigh
SmotheringHighHighNot relevant
Increase in suspended sedimentVery highHighImmediate
Decrease in suspended sedimentVery high
DesiccationVery highImmediateNot relevant
Increase in emergence regimeHighImmediateVery high
Decrease in emergence regimeNot relevant
Increase in water flow rateHighHighVery high
Decrease in water flow rateNot relevant
Increase in temperatureVery highImmediateVery high
Decrease in temperatureHigh
Increase in turbidityVery highVery highImmediate
Decrease in turbidityNot relevant
Increase in wave exposureHighHighVery high
Decrease in wave exposureNot relevant
NoiseNot relevantNot relevantNot relevant
Visual PresenceNot relevantNot relevantNot relevant
Abrasion & physical disturbanceHighHighVery high
DisplacementHighNot relevantImmediate

Chemical factors

Venerupis senegalensis
Important characterizing
Littorina littorea
Important other
Arenicola marina
Important other
Synthetic compound contaminationHighVery highHigh
Heavy metal contaminationHighHighVery high
Hydrocarbon contaminationHighHighHigh
Radionuclide contaminationNot relevantInsufficient informationNot relevant
Changes in nutrient levelsHighNot relevantHigh
Increase in salinityNot relevantNot relevantImmediate
Decrease in salinityHigh
Changes in oxygenationHighVery highImmediate

Biological factors

Venerupis senegalensis
Important characterizing
Littorina littorea
Important other
Arenicola marina
Important other
Introduction of microbial pathogens/parasitesHighInsufficient informationNot relevant
Introduction of non-native speciesNot relevantInsufficient informationNot relevant
Extraction of this speciesHighHighVery high
Extraction of other speciesHighNot relevantVery high

This review can be cited as follows:

Rayment, W.J. 2001. Venerupis senegalensis and Mya truncata in lower shore or infralittoral muddy gravel. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 22/07/2014]. Available from: <http://www.marlin.ac.uk/habitatsensitivity.php?habitatid=354&code=1997>