Biodiversity & Conservation

Sabellaria alveolata reefs on sand-abraded eulittoral rock

LS.LBR.Sab.Salv


MLR.Salv

Image Rohan Holt - Sabellaria alveolata reefs on sand abraded eulittoral rocks. Image width ca 150 cm.
Image copyright information

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Distribution map

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

Chemical Factors

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

Biological Factors

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

Species used to indicate biotope intolerance

Physical factors

Sabellaria alveolata
Key structural
Fucus serratus
Important structural
Littorina littorea
Important functional
Substratum LossHighHighHigh
SmotheringLowHighHigh
Increase in suspended sedimentLowLowIntermediate
Decrease in suspended sediment
DesiccationIntermediateIntermediateLow
Increase in emergence regimeIntermediateIntermediateLow
Decrease in emergence regime
Increase in water flow rateIntermediateIntermediateIntermediate
Decrease in water flow rate
Increase in temperatureIntermediateTolerantLow
Decrease in temperature
Increase in turbidityTolerantLowLow
Decrease in turbidity
Increase in wave exposureIntermediateHighIntermediate
Decrease in wave exposure
NoiseTolerantTolerantTolerant
Visual PresenceTolerantTolerantTolerant
Abrasion & physical disturbanceIntermediateIntermediateIntermediate
DisplacementHighHighTolerant

Chemical factors

Sabellaria alveolata
Key structural
Fucus serratus
Important structural
Littorina littorea
Important functional
Synthetic compound contaminationInsufficient informationHighLow
Heavy metal contaminationInsufficient informationLowIntermediate
Hydrocarbon contaminationInsufficient informationIntermediateHigh
Radionuclide contaminationInsufficient informationInsufficient informationInsufficient information
Changes in nutrient levelsInsufficient informationIntermediateTolerant
Increase in salinityIntermediateLowTolerant
Decrease in salinity
Changes in oxygenationIntermediateLowLow

Biological factors

Sabellaria alveolata
Key structural
Fucus serratus
Important structural
Littorina littorea
Important functional
Introduction of microbial pathogens/parasitesInsufficient informationInsufficient informationInsufficient information
Introduction of non-native speciesInsufficient informationInsufficient informationInsufficient information
Extraction of this speciesIntermediateIntermediateIntermediate
Extraction of other speciesIntermediateTolerantTolerant

Species used to indicate biotope recoverability

Physical factors

Sabellaria alveolata
Key structural
Fucus serratus
Important structural
Littorina littorea
Important functional
Substratum LossModerateHighHigh
SmotheringImmediateHighHigh
Increase in suspended sedimentVery highVery highHigh
Decrease in suspended sediment
DesiccationHighHighImmediate
Increase in emergence regimeHighHighImmediate
Decrease in emergence regime
Increase in water flow rateHighHighHigh
Decrease in water flow rate
Increase in temperatureHighNot relevantImmediate
Decrease in temperature
Increase in turbidityNot relevantVery highVery high
Decrease in turbidity
Increase in wave exposureHighHighHigh
Decrease in wave exposure
NoiseNot relevantNot relevantNot relevant
Visual PresenceNot relevantNot relevantNot relevant
Abrasion & physical disturbanceHighHighHigh
DisplacementModerateHighNot relevant

Chemical factors

Sabellaria alveolata
Key structural
Fucus serratus
Important structural
Littorina littorea
Important functional
Synthetic compound contaminationInsufficient informationHighVery high
Heavy metal contaminationInsufficient informationHighHigh
Hydrocarbon contaminationInsufficient informationHighHigh
Radionuclide contaminationInsufficient informationInsufficient informationInsufficient information
Changes in nutrient levelsInsufficient informationHighNot relevant
Increase in salinityHighVery highNot relevant
Decrease in salinity
Changes in oxygenationHighVery highVery high

Biological factors

Sabellaria alveolata
Key structural
Fucus serratus
Important structural
Littorina littorea
Important functional
Introduction of microbial pathogens/parasitesInsufficient informationInsufficient informationInsufficient information
Introduction of non-native speciesInsufficient informationInsufficient informationInsufficient information
Extraction of this speciesHighHighHigh
Extraction of other speciesHighNot relevantNot relevant

This review can be cited as follows:

Jackson, A. 2005. Sabellaria alveolata reefs on sand-abraded eulittoral rock. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 20/09/2014]. Available from: <http://www.marlin.ac.uk/habitatsensitivity.php?habitatid=351&code=2004>