Biodiversity & Conservation

Moerella spp. with venerid bivalves in infralittoral gravelly sand

SS.SCS.ICS.MoeVen

<i>Moerella</i> spp. with venerid bivalves in infralittoral gravelly sand
Distribution map

SS.SCS.ICS.MoeVen recorded (dark blue bullet) and expected (light blue bullet) distribution in Britain and Ireland (see below)

SS.SCS.ICS.MoeVen is not listed under any importance categories.

Habitat sensitivity

Physical Factors

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

Chemical Factors

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

This review can be cited as follows:

Durkin, O.C. 2009. Moerella spp. with venerid bivalves in infralittoral gravelly sand. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 19/06/2013]. Available from: <http://www.marlin.ac.uk/habitatsensitivity.php?habitatid=388&code=2004>