Biodiversity & Conservation

Polydora ciliata in variable salinity infralittoral firm mud or clay

SS.IMU.EstMu.PolVS


<i>%Polydora ciliata%</i> in variable salinity infralittoral firm mud or clay
Distribution map

SS.IMU.EstMu.PolVS 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 High
Smothering Tolerant Not relevant Not sensitive No change Moderate
Increase in suspended sediment Tolerant Not relevant Not sensitive No change High
Decrease in suspended sediment Low Immediate Not sensitive No change High
Desiccation Not relevant Not relevant Not relevant Not relevant High
Increase in emergence regime Not relevant Not relevant Not relevant Not relevant High
Decrease in emergence regime Not relevant Not relevant Not relevant Not relevant High
Increase in water flow rate Intermediate Very high Low No change Moderate
Decrease in water flow rate Low Very high Very low No change Moderate
Increase in temperature Low Very high Very low No change Moderate
Decrease in temperature Low Very high Very low No change High
Increase in turbidity Low Very high Very low No change High
Decrease in turbidity Low Very high Very low No change High
Increase in wave exposure High Very high Low No change Moderate
Decrease in wave exposure Low Very high Very low No change Moderate
Noise Tolerant Not relevant Not sensitive No change Moderate
Visual Presence Low Immediate Not sensitive No change Moderate
Abrasion & physical disturbance Intermediate High Low No change Moderate
Displacement Low High Low No change High

Chemical Factors

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

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 Tolerant Not relevant Not sensitive Not relevant Moderate
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 Moderate

Species used to indicate biotope intolerance

Physical factors

Polydora ciliata
Key functional
Substratum LossHigh
SmotheringTolerant
Increase in suspended sedimentTolerant
Decrease in suspended sediment
DesiccationIntermediate
Increase in emergence regimeIntermediate
Decrease in emergence regime
Increase in water flow rateIntermediate
Decrease in water flow rate
Increase in temperatureLow
Decrease in temperature
Increase in turbidityTolerant
Decrease in turbidity
Increase in wave exposureLow
Decrease in wave exposure
NoiseTolerant
Visual PresenceLow
Abrasion & physical disturbanceIntermediate
DisplacementLow

Chemical factors

Polydora ciliata
Key functional
Synthetic compound contaminationLow
Heavy metal contaminationIntermediate
Hydrocarbon contaminationIntermediate
Radionuclide contaminationInsufficient information
Changes in nutrient levelsLow
Increase in salinityLow
Decrease in salinity
Changes in oxygenationLow

Biological factors

Polydora ciliata
Key functional
Introduction of microbial pathogens/parasitesInsufficient information
Introduction of non-native speciesInsufficient information
Extraction of this speciesLow
Extraction of other speciesNot relevant

Species used to indicate biotope recoverability

Physical factors

Polydora ciliata
Key functional
Substratum LossHigh
SmotheringNot relevant
Increase in suspended sedimentNot relevant
Decrease in suspended sediment
DesiccationHigh
Increase in emergence regimeHigh
Decrease in emergence regime
Increase in water flow rateHigh
Decrease in water flow rate
Increase in temperatureHigh
Decrease in temperature
Increase in turbidityNot relevant
Decrease in turbidity
Increase in wave exposureHigh
Decrease in wave exposure
NoiseNot relevant
Visual PresenceHigh
Abrasion & physical disturbanceHigh
DisplacementHigh

Chemical factors

Polydora ciliata
Key functional
Synthetic compound contaminationHigh
Heavy metal contaminationHigh
Hydrocarbon contaminationHigh
Radionuclide contaminationInsufficient information
Changes in nutrient levelsHigh
Increase in salinityHigh
Decrease in salinity
Changes in oxygenationHigh

Biological factors

Polydora ciliata
Key functional
Introduction of microbial pathogens/parasitesNot relevant
Introduction of non-native speciesInsufficient information
Extraction of this speciesHigh
Extraction of other speciesNot relevant

This review can be cited as follows:

Hill, J.M. 2002. Polydora ciliata in variable salinity infralittoral firm mud or clay. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 22/09/2014]. Available from: <http://www.marlin.ac.uk/habitatsensitivity.php?habitatid=193&code=1997>