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Biodiversity & Conservation
| Basic Information | Biotope classification | Ecology | Habitat preferences and distribution | Species composition | Sensitivity | Importance |
Rhodothamniella floridula in upper littoral fringe soft rock caves
LR.FLR.CvOv.AudCla
Image Kathryn Birch - Rhodothamniella floridula in upper littoral fringe soft rock caves.
Image copyright information
LR.FLR.CvOv.AudCla recorded (
) and expected (
) 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 | 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 Loss | High |
| Smothering | High |
| Increase in suspended sediment | Intermediate |
| Decrease in suspended sediment | Low |
| Desiccation | Intermediate |
| Increase in emergence regime | Intermediate |
| Decrease in emergence regime | Tolerant |
| Increase in water flow rate | Tolerant |
| Decrease in water flow rate | Low |
| Increase in temperature | Low |
| Decrease in temperature | Low |
| Increase in turbidity | Intermediate |
| Decrease in turbidity | Tolerant |
| Increase in wave exposure | Intermediate |
| Decrease in wave exposure | Tolerant |
| Noise | Tolerant |
| Visual Presence | Tolerant |
| Abrasion & physical disturbance | Intermediate |
| Displacement | High |
Chemical factors
| Rhodothamniella floridula Important characterizing |
|
| Synthetic compound contamination | High |
| Heavy metal contamination | Insufficient information |
| Hydrocarbon contamination | High |
| Radionuclide contamination | Insufficient information |
| Changes in nutrient levels | Intermediate |
| Increase in salinity | Not relevant |
| Decrease in salinity | High |
| Changes in oxygenation | Insufficient information |
Biological factors
| Rhodothamniella floridula Important characterizing |
|
| Introduction of microbial pathogens/parasites | Insufficient information |
| Introduction of non-native species | Insufficient information |
| Extraction of this species | Not relevant |
| Extraction of other species | Insufficient information |
Species used to indicate biotope recoverability
Physical factors
| Rhodothamniella floridula Important characterizing | |
| Substratum Loss | High |
| Smothering | High |
| Increase in suspended sediment | Very high |
| Decrease in suspended sediment | Very high |
| Desiccation | Very high |
| Increase in emergence regime | High |
| Decrease in emergence regime | Not relevant |
| Increase in water flow rate | Not relevant |
| Decrease in water flow rate | Very high |
| Increase in temperature | Very high |
| Decrease in temperature | Very high |
| Increase in turbidity | High |
| Decrease in turbidity | Not relevant |
| Increase in wave exposure | High |
| Decrease in wave exposure | Not relevant |
| Noise | Not relevant |
| Visual Presence | Not relevant |
| Abrasion & physical disturbance | High |
| Displacement | High |
Chemical factors
| Rhodothamniella floridula Important characterizing |
|
| Synthetic compound contamination | High |
| Heavy metal contamination | Not relevant |
| Hydrocarbon contamination | High |
| Radionuclide contamination | Not relevant |
| Changes in nutrient levels | High |
| Increase in salinity | Not relevant |
| Decrease in salinity | High |
| Changes in oxygenation | Not relevant |
Biological factors
| Rhodothamniella floridula Important characterizing |
|
| Introduction of microbial pathogens/parasites | Not relevant |
| Introduction of non-native species | Not relevant |
| Extraction of this species | Not relevant |
| Extraction of other species | Insufficient 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 20/05/2013]. Available from: <http://www.marlin.ac.uk/habitatsensitivity.php?habitatid=39&code=2004>
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