Biodiversity & Conservation

Fabulina fabula and Magelona mirabilis with venerid bivalves in infralittoral compacted fine sand

SS.SSa.IMuSa.FfabMag


<i>%Fabulina fabula%</i> and <i>%Magelona mirabilis%</i> with venerid bivalves in infralittoral compacted fine sand
Distribution map

SS.SSa.IMuSa.FfabMag 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 Low Very high Very low No change Low
Increase in suspended sediment Low Very high Very low No change Low
Decrease in suspended sediment Low Very high Very low No change Low
Desiccation Low Very high Very low No change Low
Increase in emergence regime Intermediate High Low No change Low
Decrease in emergence regime Tolerant Not relevant Not sensitive No change High
Increase in water flow rate High High Moderate Decline Moderate
Decrease in water flow rate Intermediate High Low Minor decline Low
Increase in temperature Low Very high Very low Minor decline Moderate
Decrease in temperature Low Very high Very low Minor decline Moderate
Increase in turbidity Low Very high Very low No change Low
Decrease in turbidity Tolerant Not relevant Not sensitive No change Low
Increase in wave exposure High High Moderate Major decline Moderate
Decrease in wave exposure Intermediate High Low Minor decline Low
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 Moderate
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 Major decline Low
Heavy metal contamination High High Moderate Decline Low
Hydrocarbon contamination Intermediate High Low No change Low
Radionuclide contamination Insufficient information Not relevant Insufficient information Insufficient Information Not relevant
Changes in nutrient levels Intermediate High Low Minor decline Low
Increase in salinity Not relevant Not relevant Not relevant Not relevant Not relevant
Decrease in salinity Intermediate High Low Minor decline Low
Changes in oxygenation Tolerant Not relevant Not sensitive Decline High

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 Tolerant Not relevant Not sensitive No change Low
Extraction of this species Intermediate High Low Minor decline Low
Extraction of other species Not relevant Not relevant Not relevant Not relevant Not relevant

Species used to indicate biotope intolerance

Physical factors

Fabulina fabula
Important characterizing
Magelona mirabilis
Important characterizing
Substratum LossHighHigh
SmotheringLowLow
Increase in suspended sedimentTolerant*Tolerant*
Decrease in suspended sedimentLowIntermediate
DesiccationLowIntermediate
Increase in emergence regimeIntermediateIntermediate
Decrease in emergence regimeTolerantTolerant
Increase in water flow rateIntermediateIntermediate
Decrease in water flow rateIntermediateIntermediate
Increase in temperatureLowInsufficient information
Decrease in temperatureLowIntermediate
Increase in turbidityLowLow
Decrease in turbidityTolerant*Tolerant
Increase in wave exposureIntermediateIntermediate
Decrease in wave exposureLowIntermediate
NoiseTolerantTolerant
Visual PresenceTolerantTolerant
Abrasion & physical disturbanceIntermediateIntermediate
DisplacementIntermediateIntermediate

Chemical factors

Fabulina fabula
Important characterizing
Magelona mirabilis
Important characterizing
Synthetic compound contaminationHighInsufficient information
Heavy metal contaminationIntermediateInsufficient information
Hydrocarbon contaminationIntermediateInsufficient information
Radionuclide contaminationInsufficient informationInsufficient information
Changes in nutrient levelsIntermediateIntermediate
Increase in salinityTolerantTolerant
Decrease in salinityIntermediateInsufficient information
Changes in oxygenationIntermediateTolerant

Biological factors

Fabulina fabula
Important characterizing
Magelona mirabilis
Important characterizing
Introduction of microbial pathogens/parasitesIntermediateInsufficient information
Introduction of non-native speciesTolerantInsufficient information
Extraction of this speciesNot relevantNot relevant
Extraction of other speciesInsufficient informationInsufficient information

Species used to indicate biotope recoverability

Physical factors

Fabulina fabula
Important characterizing
Magelona mirabilis
Important characterizing
Substratum LossHighHigh
SmotheringImmediateImmediate
Increase in suspended sedimentNot relevantNot relevant
Decrease in suspended sedimentVery highImmediate
DesiccationVery highHigh
Increase in emergence regimeHighHigh
Decrease in emergence regimeNot relevantNot relevant
Increase in water flow rateHighHigh
Decrease in water flow rateHighHigh
Increase in temperatureVery highInsufficient information
Decrease in temperatureVery highHigh
Increase in turbidityVery highVery high
Decrease in turbidityNot relevantNot relevant
Increase in wave exposureHighHigh
Decrease in wave exposureVery highHigh
NoiseNot relevantNot relevant
Visual PresenceNot relevantNot relevant
Abrasion & physical disturbanceHighHigh
DisplacementHighHigh

Chemical factors

Fabulina fabula
Important characterizing
Magelona mirabilis
Important characterizing
Synthetic compound contaminationHighInsufficient information
Heavy metal contaminationHighNot relevant
Hydrocarbon contaminationModerateInsufficient information
Radionuclide contaminationInsufficient informationInsufficient information
Changes in nutrient levelsHighHigh
Increase in salinityNot relevantNot relevant
Decrease in salinityHighInsufficient information
Changes in oxygenationHighNot relevant

Biological factors

Fabulina fabula
Important characterizing
Magelona mirabilis
Important characterizing
Introduction of microbial pathogens/parasitesHighInsufficient information
Introduction of non-native speciesNot relevantInsufficient information
Extraction of this speciesNot relevantNot relevant
Extraction of other speciesInsufficient informationInsufficient information

This review can be cited as follows:

Rayment, W.J. 2006. Fabulina fabula and Magelona mirabilis with venerid bivalves in infralittoral compacted fine sand. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 29/11/2014]. Available from: <http://www.marlin.ac.uk/habitatsensitivity.php?habitatid=142&code=2004>