Biodiversity & Conservation

Echinocardium cordatum and Ensis spp. in lower shore or shallow sublittoral muddy fine sand.

SS.IMS.FaMS.EcorEns


IMS.EcorEns

Image Anon. - Echinocardium cordatum dug out of sand. Image width ca XX cm.
Image copyright information

Distribution map

SS.IMS.FaMS.EcorEns 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 Moderate Moderate Major decline High
Smothering Tolerant Not relevant Not sensitive Not relevant Moderate
Increase in suspended sediment Low High Low No change Low
Decrease in suspended sediment
Desiccation Low High Low No change Moderate
Increase in emergence regime Intermediate High Low No change Moderate
Decrease in emergence regime
Increase in water flow rate High High Moderate Decline Low
Decrease in water flow rate
Increase in temperature Intermediate High Low Decline Low
Decrease in temperature
Increase in turbidity Low Very high Very low No change High
Decrease in turbidity
Increase in wave exposure Intermediate High Low Decline Moderate
Decrease in wave exposure
Noise Tolerant Not relevant Not sensitive No change High
Visual Presence Tolerant Not relevant Not sensitive Not relevant Not relevant
Abrasion & physical disturbance High Moderate Moderate Decline Moderate
Displacement Intermediate High Low No change Moderate

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 Minor decline Moderate
Hydrocarbon contamination High Moderate Moderate Major decline High
Radionuclide contamination Insufficient information Insufficient information Insufficient information Insufficient Information Not relevant
Changes in nutrient levels Intermediate High Low Major decline High
Increase in salinity Intermediate High Low Decline Moderate
Decrease in salinity
Changes in oxygenation High High Moderate Major decline 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 Intermediate High Low Decline Moderate
Extraction of other species Low High Low No change Low

Species used to indicate biotope intolerance

Physical factors

Echinocardium cordatum
Key functional
Liocarcinus depurator
Important characterizing
Substratum LossHighIntermediate
SmotheringTolerantTolerant
Increase in suspended sedimentLowTolerant
Decrease in suspended sediment
DesiccationLowNot relevant
Increase in emergence regimeLowNot relevant
Decrease in emergence regime
Increase in water flow rateIntermediateIntermediate
Decrease in water flow rate
Increase in temperatureIntermediateIntermediate
Decrease in temperature
Increase in turbidityLowTolerant
Decrease in turbidity
Increase in wave exposureIntermediateIntermediate
Decrease in wave exposure
NoiseTolerantTolerant
Visual PresenceNot relevantTolerant
Abrasion & physical disturbanceHighHigh
DisplacementLowTolerant

Chemical factors

Echinocardium cordatum
Key functional
Liocarcinus depurator
Important characterizing
Synthetic compound contaminationHighInsufficient information
Heavy metal contaminationIntermediateIntermediate
Hydrocarbon contaminationHighInsufficient information
Radionuclide contaminationInsufficient informationInsufficient information
Changes in nutrient levelsHighInsufficient information
Increase in salinityIntermediateIntermediate
Decrease in salinity
Changes in oxygenationHighHigh

Biological factors

Echinocardium cordatum
Key functional
Liocarcinus depurator
Important characterizing
Introduction of microbial pathogens/parasitesLowIntermediate
Introduction of non-native speciesNot relevantTolerant
Extraction of this speciesIntermediateIntermediate
Extraction of other speciesIntermediateTolerant

Species used to indicate biotope recoverability

Physical factors

Echinocardium cordatum
Key functional
Liocarcinus depurator
Important characterizing
Substratum LossHighHigh
SmotheringNot relevantNot relevant
Increase in suspended sedimentHighNot relevant
Decrease in suspended sediment
DesiccationHighNot relevant
Increase in emergence regimeHighNot relevant
Decrease in emergence regime
Increase in water flow rateHighHigh
Decrease in water flow rate
Increase in temperatureHighHigh
Decrease in temperature
Increase in turbidityHighNot relevant
Decrease in turbidity
Increase in wave exposureHighVery high
Decrease in wave exposure
NoiseNot relevantNot relevant
Visual PresenceNot relevantNot relevant
Abrasion & physical disturbanceHighHigh
DisplacementHighNot relevant

Chemical factors

Echinocardium cordatum
Key functional
Liocarcinus depurator
Important characterizing
Synthetic compound contaminationHighNot relevant
Heavy metal contaminationHighHigh
Hydrocarbon contaminationHighInsufficient information
Radionuclide contaminationInsufficient informationInsufficient information
Changes in nutrient levelsHighInsufficient information
Increase in salinityHighHigh
Decrease in salinity
Changes in oxygenationHighHigh

Biological factors

Echinocardium cordatum
Key functional
Liocarcinus depurator
Important characterizing
Introduction of microbial pathogens/parasitesHighHigh
Introduction of non-native speciesNot relevantNot relevant
Extraction of this speciesHighHigh
Extraction of other speciesHighNot relevant

This review can be cited as follows:

Hill, J.M. 2007. Echinocardium cordatum and Ensis spp. in lower shore or shallow sublittoral muddy fine sand.. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 02/09/2014]. Available from: <http://www.marlin.ac.uk/habitatsensitivity.php?habitatid=124&code=1997>