Biodiversity & Conservation

Laminaria saccharina park on very sheltered lower infralittoral rock

IR.SIR.K.Lsac.Pk


SIR.Lsac.Pk

Image Keith Hiscock - Algae attached to rock including Halidrys. Image width ca 60 cm.
Image copyright information

Distribution map

IR.SIR.K.Lsac.Pk 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 Moderate Moderate Major decline High
Smothering Intermediate High Low Decline Moderate
Increase in suspended sediment Intermediate High Low Minor decline Moderate
Decrease in suspended sediment Tolerant Not relevant Not sensitive Not relevant Moderate
Desiccation Intermediate High Low Minor decline Moderate
Increase in emergence regime High High Moderate Decline Low
Decrease in emergence regime Not relevant Not relevant Not relevant Not relevant Not relevant
Increase in water flow rate Intermediate High Low Minor decline Low
Decrease in water flow rate Not relevant Not relevant Not relevant Not relevant Not relevant
Increase in temperature Low Very high Very low No change Low
Decrease in temperature Low Very high Very low Moderate
Increase in turbidity Low High Low Minor decline Low
Decrease in turbidity Tolerant* Not relevant Not sensitive* Not relevant Moderate
Increase in wave exposure High Moderate Moderate Major decline Moderate
Decrease in wave exposure Low High Low Minor decline Low
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 Major decline High
Displacement Intermediate High Low Decline Low

Chemical Factors

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

Species used to indicate biotope intolerance

Physical factors

Echinus esculentus
Key structural
Saccharina latissima
Important characterizing
Lithophyllum incrustans
Important characterizing
Ciona intestinalis
Important characterizing
Ophiothrix fragilis
Important characterizing
Substratum LossHighHighHighHighHigh
SmotheringIntermediateHighLowIntermediateHigh
Increase in suspended sedimentLowLowLowLowLow
Decrease in suspended sedimentTolerant*
DesiccationIntermediateHighHighIntermediateIntermediate
Increase in emergence regimeLowIntermediateHighHighNot relevant
Decrease in emergence regimeTolerant
Increase in water flow rateLowLowLowLowLow
Decrease in water flow rateLow
Increase in temperatureIntermediateIntermediateTolerantIntermediateIntermediate
Decrease in temperatureTolerant
Increase in turbidityLowLowLowTolerantLow
Decrease in turbidityTolerant*
Increase in wave exposureLowHighTolerantIntermediateLow
Decrease in wave exposureLow
NoiseTolerantTolerantTolerantTolerantLow
Visual PresenceLowTolerantTolerantTolerantTolerant
Abrasion & physical disturbanceIntermediateIntermediateIntermediateHighIntermediate
DisplacementLowIntermediateLowHighTolerant

Chemical factors

Echinus esculentus
Key structural
Saccharina latissima
Important characterizing
Lithophyllum incrustans
Important characterizing
Ciona intestinalis
Important characterizing
Ophiothrix fragilis
Important characterizing
Synthetic compound contaminationHighLowHighInsufficient informationInsufficient information
Heavy metal contaminationHighIntermediateInsufficient informationInsufficient informationInsufficient information
Hydrocarbon contaminationHighLowHighInsufficient informationHigh
Radionuclide contaminationInsufficient informationInsufficient informationInsufficient informationInsufficient informationInsufficient information
Changes in nutrient levelsTolerant*IntermediateLowTolerant*Intermediate
Increase in salinityIntermediateHighInsufficient informationLowLow
Decrease in salinityIntermediate
Changes in oxygenationIntermediateInsufficient informationInsufficient informationLowHigh

Biological factors

Echinus esculentus
Key structural
Saccharina latissima
Important characterizing
Lithophyllum incrustans
Important characterizing
Ciona intestinalis
Important characterizing
Ophiothrix fragilis
Important characterizing
Introduction of microbial pathogens/parasitesIntermediateIntermediateInsufficient informationInsufficient informationLow
Introduction of non-native speciesNot relevantInsufficient informationInsufficient informationIntermediateTolerant
Extraction of this speciesIntermediateIntermediateNot relevantNot relevantNot relevant
Extraction of other speciesIntermediateInsufficient informationIntermediateTolerantTolerant

Species used to indicate biotope recoverability

Physical factors

Echinus esculentus
Key structural
Saccharina latissima
Important characterizing
Lithophyllum incrustans
Important characterizing
Ciona intestinalis
Important characterizing
Ophiothrix fragilis
Important characterizing
Substratum LossHighHighLowHighHigh
SmotheringHighHighVery highVery highHigh
Increase in suspended sedimentVery highHighVery highImmediateVery high
Decrease in suspended sedimentNot relevant
DesiccationHighHighLowVery highHigh
Increase in emergence regimeVery highHighLowHighNot relevant
Decrease in emergence regimeNot relevant
Increase in water flow rateVery highHighVery highImmediateVery high
Decrease in water flow rateVery high
Increase in temperatureHighHighNot relevantVery highHigh
Decrease in temperatureNot relevant
Increase in turbidityVery highHighVery highNot relevantVery high
Decrease in turbidityNot relevant
Increase in wave exposureVery highHighNot relevantVery highVery high
Decrease in wave exposureImmediate
NoiseNot relevantNot relevantNot relevantNot relevantVery high
Visual PresenceImmediateNot relevantNot relevantNot relevantNot relevant
Abrasion & physical disturbanceHighVery highHighHighHigh
DisplacementVery highHighVery highHighNot relevant

Chemical factors

Echinus esculentus
Key structural
Saccharina latissima
Important characterizing
Lithophyllum incrustans
Important characterizing
Ciona intestinalis
Important characterizing
Ophiothrix fragilis
Important characterizing
Synthetic compound contaminationHighHighLowInsufficient informationNot relevant
Heavy metal contaminationHighHighNot relevantInsufficient informationNot relevant
Hydrocarbon contaminationHighHighHighInsufficient informationHigh
Radionuclide contaminationInsufficient informationNot relevantNot relevantInsufficient informationNot relevant
Changes in nutrient levelsNot relevantHighHighNot relevantHigh
Increase in salinityHighHighNot relevantImmediateHigh
Decrease in salinityHigh
Changes in oxygenationHighNot relevantNot relevantImmediateHigh

Biological factors

Echinus esculentus
Key structural
Saccharina latissima
Important characterizing
Lithophyllum incrustans
Important characterizing
Ciona intestinalis
Important characterizing
Ophiothrix fragilis
Important characterizing
Introduction of microbial pathogens/parasitesHighHighNot relevantInsufficient informationHigh
Introduction of non-native speciesNot relevantNot relevantNot relevantVery highNot relevant
Extraction of this speciesHighHighNot relevantNot relevantNot relevant
Extraction of other speciesHighNot relevantHighNot relevantNot relevant

This review can be cited as follows:

Hiscock, K. 2001. Laminaria saccharina park on very sheltered lower infralittoral rock. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 25/10/2014]. Available from: <http://www.marlin.ac.uk/habitatsensitivity.php?habitatid=357&code=1997>