Biodiversity & Conservation

Hartlaubella gelatinosa and Conopeum reticulum on low salinity infralittoral mixed substrata

IR.SIR.EstFa.HarCon


<i>%Hartlaubella gelatinosa%</i> and <i>%Conopeum reticulum%</i> on low salinity infralittoral mixed substrata
Distribution map

IR.SIR.EstFa.HarCon 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 High Very high Low Decline Moderate
Increase in suspended sediment Low Immediate Not sensitive No change Low
Decrease in suspended sediment Low Immediate Not sensitive No change Low
Desiccation Intermediate Very high Low Minor decline Low
Increase in emergence regime Intermediate Very high Low Minor decline Low
Decrease in emergence regime Tolerant* Not relevant Not sensitive* No change Moderate
Increase in water flow rate Intermediate Very high Low Decline Low
Decrease in water flow rate Intermediate Very high Low Decline Low
Increase in temperature Intermediate Very high Low Decline Low
Decrease in temperature Low Immediate Not sensitive No change Low
Increase in turbidity Low Immediate Not sensitive No change Low
Decrease in turbidity Low Immediate Not sensitive Rise Low
Increase in wave exposure Intermediate Very high Low Minor decline Moderate
Decrease in wave exposure Tolerant Not relevant Not sensitive No change Moderate
Noise Tolerant Not relevant Not sensitive No change High
Visual Presence Tolerant Not relevant Not sensitive No change High
Abrasion & physical disturbance Intermediate Very high Low Decline Low
Displacement High High Moderate Decline Low

Chemical Factors

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

Biological Factors

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

Species used to indicate biotope intolerance

Physical factors

Balanus crenatus
Key structural
Conopeum reticulum
Important characterizing
Substratum LossHighHigh
SmotheringHighHigh
Increase in suspended sedimentLowLow
Decrease in suspended sedimentTolerant*
DesiccationHighIntermediate
Increase in emergence regimeHighIntermediate
Decrease in emergence regimeTolerant*
Increase in water flow rateLowIntermediate
Decrease in water flow rateIntermediate
Increase in temperatureHighLow
Decrease in temperatureLow
Increase in turbidityLowLow
Decrease in turbidityTolerant
Increase in wave exposureLowIntermediate
Decrease in wave exposureLow
NoiseTolerantTolerant
Visual PresenceTolerantTolerant
Abrasion & physical disturbanceIntermediateIntermediate
DisplacementHighHigh

Chemical factors

Balanus crenatus
Key structural
Conopeum reticulum
Important characterizing
Synthetic compound contaminationHighIntermediate
Heavy metal contaminationIntermediateLow
Hydrocarbon contaminationLowHigh
Radionuclide contaminationInsufficient informationInsufficient information
Changes in nutrient levelsIntermediateInsufficient information
Increase in salinityLowInsufficient information
Decrease in salinityLow
Changes in oxygenationHighLow

Biological factors

Balanus crenatus
Key structural
Conopeum reticulum
Important characterizing
Introduction of microbial pathogens/parasitesInsufficient informationInsufficient information
Introduction of non-native speciesInsufficient informationInsufficient information
Extraction of this speciesNot relevantNot relevant
Extraction of other speciesNot relevantNot relevant

Species used to indicate biotope recoverability

Physical factors

Balanus crenatus
Key structural
Conopeum reticulum
Important characterizing
Substratum LossHighVery high
SmotheringHighVery high
Increase in suspended sedimentHighImmediate
Decrease in suspended sedimentNot relevant
DesiccationHighVery high
Increase in emergence regimeHighVery high
Decrease in emergence regimeNot relevant
Increase in water flow rateVery highVery high
Decrease in water flow rateVery high
Increase in temperatureHighImmediate
Decrease in temperatureImmediate
Increase in turbidityVery highImmediate
Decrease in turbidityNot relevant
Increase in wave exposureVery highVery high
Decrease in wave exposureImmediate
NoiseNot relevantNot relevant
Visual PresenceNot relevantNot relevant
Abrasion & physical disturbanceHighVery high
DisplacementHighVery high

Chemical factors

Balanus crenatus
Key structural
Conopeum reticulum
Important characterizing
Synthetic compound contaminationHighVery high
Heavy metal contaminationHighImmediate
Hydrocarbon contaminationHighVery high
Radionuclide contaminationNot relevantNot relevant
Changes in nutrient levelsHighNot relevant
Increase in salinityVery highNot relevant
Decrease in salinityImmediate
Changes in oxygenationHighImmediate

Biological factors

Balanus crenatus
Key structural
Conopeum reticulum
Important characterizing
Introduction of microbial pathogens/parasitesNot relevantNot relevant
Introduction of non-native speciesNot relevantNot relevant
Extraction of this speciesNot relevantNot relevant
Extraction of other speciesNot relevantNot relevant

This review can be cited as follows:

Tyler-Walters, H. 2002. Hartlaubella gelatinosa and Conopeum reticulum on low salinity infralittoral mixed substrata. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 30/08/2014]. Available from: <http://www.marlin.ac.uk/habitatsensitivity.php?habitatid=86&code=1997>