Biodiversity & Conservation

Dense Lanice conchilega in tide-swept lower shore sand

LS.LGS.S.Lan


LGS.Lan

Image Anon. - Dense Lanice conchilega in muddy sand. Image width ca XX cm.
Image copyright information

Distribution map

LS.LGS.S.Lan 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 Moderate
Smothering Intermediate High Low Minor decline High
Increase in suspended sediment Low Very high Very low No change Moderate
Decrease in suspended sediment Low Very high Very low No change Moderate
Desiccation Intermediate High Low Minor decline Low
Increase in emergence regime Intermediate High Low Decline Low
Decrease in emergence regime Tolerant* Not relevant Not sensitive* Rise Low
Increase in water flow rate High High Moderate Decline Low
Decrease in water flow rate High High Moderate Decline Low
Increase in temperature Intermediate High Low Minor decline Low
Decrease in temperature High High Moderate Major decline High
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 Moderate Moderate Major decline Moderate
Decrease in wave exposure Tolerant Not relevant Not sensitive No change Low
Noise Tolerant Not relevant Not sensitive Not relevant Low
Visual Presence Tolerant Not relevant Not sensitive Not relevant Low
Abrasion & physical disturbance Intermediate High Low Minor 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 Major decline Low
Heavy metal contamination Intermediate High Low Decline Moderate
Hydrocarbon contamination High High Moderate Major decline Moderate
Radionuclide contamination Insufficient information Not relevant Insufficient information Not relevant Not relevant
Changes in nutrient levels High High Moderate Major decline 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 Intermediate High Low 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 Very low
Introduction of non-native species Not relevant Not relevant Not relevant Not relevant Not relevant
Extraction of this species Intermediate High Low Decline High
Extraction of other species Not relevant Not relevant Not relevant Not relevant Not relevant

Species used to indicate biotope intolerance

Physical factors

Lanice conchilega
Key structural
Nephtys hombergii
Important characterizing
Cerastoderma edule
Important characterizing
Substratum LossHighIntermediateHigh
SmotheringLowTolerantIntermediate
Increase in suspended sedimentTolerantTolerantLow
Decrease in suspended sedimentLowNot relevant
DesiccationIntermediateNot relevantIntermediate
Increase in emergence regimeIntermediateNot relevantIntermediate
Decrease in emergence regimeTolerant*Low
Increase in water flow rateIntermediateLowIntermediate
Decrease in water flow rateIntermediateTolerant
Increase in temperatureLowTolerantIntermediate
Decrease in temperatureHighTolerant
Increase in turbidityTolerantNot relevantTolerant
Decrease in turbidityTolerantNot relevant
Increase in wave exposureHighIntermediateIntermediate
Decrease in wave exposureLowTolerant
NoiseTolerantTolerantTolerant
Visual PresenceTolerantTolerantTolerant
Abrasion & physical disturbanceIntermediateIntermediateIntermediate
DisplacementIntermediateTolerantLow

Chemical factors

Lanice conchilega
Key structural
Nephtys hombergii
Important characterizing
Cerastoderma edule
Important characterizing
Synthetic compound contaminationHighIntermediateIntermediate
Heavy metal contaminationIntermediateIntermediateIntermediate
Hydrocarbon contaminationIntermediateHighIntermediate
Radionuclide contaminationInsufficient informationInsufficient informationInsufficient information
Changes in nutrient levelsIntermediateLowIntermediate
Increase in salinityNot relevantLowLow
Decrease in salinityIntermediateLow
Changes in oxygenationIntermediateTolerantHigh

Biological factors

Lanice conchilega
Key structural
Nephtys hombergii
Important characterizing
Cerastoderma edule
Important characterizing
Introduction of microbial pathogens/parasitesInsufficient informationInsufficient informationIntermediate
Introduction of non-native speciesInsufficient informationTolerantInsufficient information
Extraction of this speciesNot relevantIntermediateIntermediate
Extraction of other speciesIntermediateHighHigh

Species used to indicate biotope recoverability

Physical factors

Lanice conchilega
Key structural
Nephtys hombergii
Important characterizing
Cerastoderma edule
Important characterizing
Substratum LossHighVery highHigh
SmotheringHighNot relevantHigh
Increase in suspended sedimentNot relevantNot relevantImmediate
Decrease in suspended sedimentHighNot relevant
DesiccationHighNot relevantHigh
Increase in emergence regimeHighNot relevantHigh
Decrease in emergence regimeNot relevantVery high
Increase in water flow rateHighVery highHigh
Decrease in water flow rateHighNot relevant
Increase in temperatureHighNot relevantHigh
Decrease in temperatureHighNot relevant
Increase in turbidityNot relevantNot relevantNot relevant
Decrease in turbidityNot relevantNot relevant
Increase in wave exposureHighVery highHigh
Decrease in wave exposureHighNot relevant
NoiseNot relevantNot relevantNot relevant
Visual PresenceNot relevantNot relevantNot relevant
Abrasion & physical disturbanceVery highVery highHigh
DisplacementVery highImmediateHigh

Chemical factors

Lanice conchilega
Key structural
Nephtys hombergii
Important characterizing
Cerastoderma edule
Important characterizing
Synthetic compound contaminationHighHighHigh
Heavy metal contaminationHighHighHigh
Hydrocarbon contaminationHighHighHigh
Radionuclide contaminationNot relevantNot relevantInsufficient information
Changes in nutrient levelsModerateVery highHigh
Increase in salinityNot relevantVery highVery high
Decrease in salinityHighVery high
Changes in oxygenationHighNot relevantHigh

Biological factors

Lanice conchilega
Key structural
Nephtys hombergii
Important characterizing
Cerastoderma edule
Important characterizing
Introduction of microbial pathogens/parasitesInsufficient informationNot relevantHigh
Introduction of non-native speciesInsufficient informationNot relevantInsufficient information
Extraction of this speciesNot relevantVery highHigh
Extraction of other speciesModerateVery highHigh

This review can be cited as follows:

Budd, G.C. 2006. Dense Lanice conchilega in tide-swept lower shore sand. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 23/07/2014]. Available from: <http://www.marlin.ac.uk/habitatsensitivity.php?habitatid=195&code=1997>