Biodiversity & Conservation

Foraminiferans and Thyasira sp. in deep circalittoral soft mud

COS.COS.ForThy


Foraminiferans and <i>Thyasira</i> sp. in deep circalittoral soft mud
Distribution map

COS.COS.ForThy recorded (dark blue bullet) and expected (light blue bullet) distribution in Britain and Ireland (see below)


  • UK_BAP

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 Moderate Moderate Minor decline Very low
Increase in suspended sediment Low Very high Very low No change High
Decrease in suspended sediment Low Moderate Low No change High
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 Intermediate High Low Minor decline Moderate
Decrease in water flow rate Low Very high Very low No change High
Increase in temperature High Low High Major decline Moderate
Decrease in temperature High Low High Major decline Moderate
Increase in turbidity Low Very high Very low No change Moderate
Decrease in turbidity Low High Low No change Moderate
Increase in wave exposure Tolerant Not relevant Not sensitive No change Moderate
Decrease in wave exposure Tolerant Not relevant Not sensitive No change Moderate
Noise Tolerant Not relevant Not sensitive No change High
Visual Presence Not relevant Not relevant Not relevant No change High
Abrasion & physical disturbance Intermediate High Low Decline High
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 Insufficient information Not relevant Insufficient information Not relevant Not relevant
Heavy metal contamination Insufficient information Not relevant Insufficient information Not relevant Not relevant
Hydrocarbon contamination Insufficient information Not relevant Insufficient information Not relevant Not relevant
Radionuclide contamination Insufficient information Not relevant Insufficient information Not relevant Not relevant
Changes in nutrient levels Tolerant Not relevant Not sensitive Not relevant Very low
Increase in salinity Not relevant Not relevant Not relevant Not relevant Not relevant
Decrease in salinity High Moderate Moderate Major decline Moderate
Changes in oxygenation High Moderate Moderate Major decline High

Biological Factors

Click factor name to view rationale Intolerance Recoverability Sensitivity Species Richness Evidence / Confidence
Introduction of microbial pathogens/parasites Low High Low Low
Introduction of non-native species Insufficient information Not relevant Insufficient information Not relevant Not relevant
Extraction of this species Intermediate High Low Decline Moderate
Extraction of other species Intermediate High Low Major decline Moderate

This review can be cited as follows:

Riley, K. 2002. Foraminiferans and Thyasira sp. in deep circalittoral soft mud. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 18/12/2014]. Available from: <http://www.marlin.ac.uk/habitatsensitivity.php?habitatid=215&code=1997>