Biodiversity & Conservation

Ampharete falcata turf with Parvicardium ovale on cohesive muddy very fine sand near margins of deep stratified seas

SS.SMu.OMu.AfalPova


COS.AmpPar

Image Matthew Service - Ampharete falcata turf with Nephrops sp. from the southern edge of the north west Irish Sea. Image with ca 2 m.
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Distribution map

SS.SMu.OMu.AfalPova recorded (dark blue bullet) and expected (light blue bullet) distribution in Britain and Ireland (see below)



Habitat sensitivity

Physical Factors

Click factor name to view rationale Intolerance Recoverability Sensitivity Species Richness Evidence / Confidence
Substratum Loss High Moderate Moderate Major decline Moderate
Smothering High High Moderate Major decline Moderate
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 Not relevant Not relevant Not relevant Not relevant Not relevant
Increase in emergence regime Not relevant Not relevant Not relevant Not relevant Not relevant
Decrease in emergence regime Not relevant Not relevant Not relevant Not relevant Not relevant
Increase in water flow rate High Moderate Moderate Major decline Moderate
Decrease in water flow rate Low Very high Very low No change Moderate
Increase in temperature Low Very high Very low No change Low
Decrease in temperature Low Very high Very low No change Low
Increase in turbidity Low Very high Very low No change Moderate
Decrease in turbidity Low Very high Very low No change Moderate
Increase in wave exposure High Moderate Moderate Major decline Low
Decrease in wave exposure Not relevant Not relevant Not relevant Not relevant Not relevant
Noise Tolerant Not relevant Not sensitive No change Moderate
Visual Presence Tolerant Not relevant Not sensitive No change Moderate
Abrasion & physical disturbance Intermediate High Low Decline Low
Displacement Intermediate High Low Minor decline Very low

Chemical Factors

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

Species used to indicate biotope intolerance

Physical factors

Amphiura filiformis
Important Structural
Substratum LossHigh
SmotheringLow
Increase in suspended sedimentLow
Decrease in suspended sedimentTolerant
DesiccationLow
Increase in emergence regimeLow
Decrease in emergence regimeTolerant
Increase in water flow rateHigh
Decrease in water flow rateTolerant
Increase in temperatureLow
Decrease in temperatureLow
Increase in turbidityLow
Decrease in turbidityTolerant
Increase in wave exposureHigh
Decrease in wave exposureNot relevant
NoiseLow
Visual PresenceTolerant
Abrasion & physical disturbanceLow
DisplacementLow

Chemical factors

Amphiura filiformis
Important Structural
Synthetic compound contaminationHigh
Heavy metal contaminationIntermediate
Hydrocarbon contaminationHigh
Radionuclide contaminationInsufficient information
Changes in nutrient levelsTolerant*
Increase in salinityNot relevant
Decrease in salinityHigh
Changes in oxygenationLow

Biological factors

Amphiura filiformis
Important Structural
Introduction of microbial pathogens/parasitesInsufficient information
Introduction of non-native speciesNot relevant
Extraction of this speciesNot relevant
Extraction of other speciesTolerant

Species used to indicate biotope recoverability

Physical factors

Amphiura filiformis
Important Structural
Substratum LossModerate
SmotheringVery high
Increase in suspended sedimentVery high
Decrease in suspended sedimentNot relevant
DesiccationVery high
Increase in emergence regimeVery high
Decrease in emergence regimeNot relevant
Increase in water flow rateModerate
Decrease in water flow rateNot relevant
Increase in temperatureHigh
Decrease in temperatureHigh
Increase in turbidityVery high
Decrease in turbidityNot relevant
Increase in wave exposureModerate
Decrease in wave exposureNot relevant
NoiseImmediate
Visual PresenceNot relevant
Abrasion & physical disturbanceVery high
DisplacementImmediate

Chemical factors

Amphiura filiformis
Important Structural
Synthetic compound contaminationModerate
Heavy metal contaminationHigh
Hydrocarbon contaminationModerate
Radionuclide contaminationInsufficient information
Changes in nutrient levelsHigh
Increase in salinityNot relevant
Decrease in salinityModerate
Changes in oxygenationVery high

Biological factors

Amphiura filiformis
Important Structural
Introduction of microbial pathogens/parasitesInsufficient information
Introduction of non-native speciesNot relevant
Extraction of this speciesNot relevant
Extraction of other speciesNot relevant

This review can be cited as follows:

Hill, J.M. 2001. Ampharete falcata turf with Parvicardium ovale on cohesive muddy very fine sand near margins of deep stratified seas. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 01/10/2014]. Available from: <http://www.marlin.ac.uk/habitatsensitivity.php?habitatid=75&code=2004>