Biodiversity & Conservation

Rhodothamniella floridula in upper littoral fringe soft rock caves

LR.LR.Ov.RhoCv


LR.RhoCv

Image Kathryn Birch - Rhodothamniella floridula in upper littoral fringe soft rock caves.
Image copyright information

Distribution map

LR.LR.Ov.RhoCv recorded (dark blue bullet) and expected (light blue bullet) distribution in Britain and Ireland (see below)


  • EC_Habitats
  • UK_BAP
  • OSPAR

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 Intermediate High Low Minor decline Moderate
Increase in suspended sediment Tolerant Not relevant Not sensitive No change Low
Decrease in suspended sediment Low High Low Minor decline Moderate
Desiccation Intermediate High Low No change High
Increase in emergence regime Intermediate High Low Minor decline Low
Decrease in emergence regime Intermediate High Low Major decline Low
Increase in water flow rate Tolerant Not relevant Not sensitive No change Moderate
Decrease in water flow rate Intermediate High Low Minor decline Moderate
Increase in temperature Low High Low No change High
Decrease in temperature Intermediate High Low Minor decline Moderate
Increase in turbidity Low Very high Very low No change High
Decrease in turbidity Tolerant Not relevant Not sensitive No change Moderate
Increase in wave exposure High High Moderate Major decline Low
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 Not relevant High
Abrasion & physical disturbance Intermediate High Low Major decline Moderate
Displacement High High Moderate Major decline High

Chemical Factors

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

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 Insufficient information Not relevant Insufficient information Insufficient Information Not relevant

Species used to indicate biotope intolerance

Physical factors

Rhodothamniella floridula
Important characterizing
Substratum LossHigh
SmotheringHigh
Increase in suspended sedimentIntermediate
Decrease in suspended sedimentLow
DesiccationIntermediate
Increase in emergence regimeIntermediate
Decrease in emergence regimeTolerant
Increase in water flow rateTolerant
Decrease in water flow rateLow
Increase in temperatureLow
Decrease in temperatureLow
Increase in turbidityIntermediate
Decrease in turbidityTolerant
Increase in wave exposureIntermediate
Decrease in wave exposureTolerant
NoiseTolerant
Visual PresenceTolerant
Abrasion & physical disturbanceIntermediate
DisplacementHigh

Chemical factors

Rhodothamniella floridula
Important characterizing
Synthetic compound contaminationHigh
Heavy metal contaminationInsufficient information
Hydrocarbon contaminationHigh
Radionuclide contaminationInsufficient information
Changes in nutrient levelsIntermediate
Increase in salinityNot relevant
Decrease in salinityHigh
Changes in oxygenationInsufficient information

Biological factors

Rhodothamniella floridula
Important characterizing
Introduction of microbial pathogens/parasitesInsufficient information
Introduction of non-native speciesInsufficient information
Extraction of this speciesNot relevant
Extraction of other speciesInsufficient information

Species used to indicate biotope recoverability

Physical factors

Rhodothamniella floridula
Important characterizing
Substratum LossHigh
SmotheringHigh
Increase in suspended sedimentVery high
Decrease in suspended sedimentVery high
DesiccationVery high
Increase in emergence regimeHigh
Decrease in emergence regimeNot relevant
Increase in water flow rateNot relevant
Decrease in water flow rateVery high
Increase in temperatureVery high
Decrease in temperatureVery high
Increase in turbidityHigh
Decrease in turbidityNot relevant
Increase in wave exposureHigh
Decrease in wave exposureNot relevant
NoiseNot relevant
Visual PresenceNot relevant
Abrasion & physical disturbanceHigh
DisplacementHigh

Chemical factors

Rhodothamniella floridula
Important characterizing
Synthetic compound contaminationHigh
Heavy metal contaminationNot relevant
Hydrocarbon contaminationHigh
Radionuclide contaminationNot relevant
Changes in nutrient levelsHigh
Increase in salinityNot relevant
Decrease in salinityHigh
Changes in oxygenationNot relevant

Biological factors

Rhodothamniella floridula
Important characterizing
Introduction of microbial pathogens/parasitesNot relevant
Introduction of non-native speciesNot relevant
Extraction of this speciesNot relevant
Extraction of other speciesInsufficient information

This review can be cited as follows:

Riley, K. 2007. Rhodothamniella floridula in upper littoral fringe soft rock caves. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 20/10/2014]. Available from: <http://www.marlin.ac.uk/habitatsensitivity.php?habitatid=39&code=1997>