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Biodiversity & Conservation
| Basic Information | Biotope classification | Ecology | Habitat preferences and distribution | Species composition | Sensitivity | Importance |
Sabellaria spinulosa crusts on silty turbid circalittoral rock
CR.MCR.As.MolPol.Sab
Image Anon. - Sabellaria spinulosa crusts on silty turbid circalittoral rock. Image width ca 10 cm.
Image copyright information
CR.MCR.As.MolPol.Sab 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 | Major decline | High |
| Increase in suspended sediment | Low | Very high | Very low | Minor decline | Moderate |
| Decrease in suspended sediment | Low | Very high | Very low | No change | Moderate |
| Desiccation | Low | Very high | Very low | Minor decline | Low |
| Increase in emergence regime | Intermediate | High | Low | Decline | Low |
| Decrease in emergence regime | Tolerant* | Not relevant | Not sensitive* | Rise | High |
| 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 | Very high | Very low | Minor decline | Moderate |
| Decrease in temperature | Tolerant | Not relevant | Not sensitive | No change | Moderate |
| Increase in turbidity | Low | Very high | Very low | Minor decline | Low |
| Decrease in turbidity | Low | High | Low | Minor decline | Low |
| Increase in wave exposure | Intermediate | High | Low | Decline | Low |
| Decrease in wave exposure | Intermediate | High | Low | Minor decline | Low |
| Noise | Tolerant | Not relevant | Not sensitive | No change | Low |
| Visual Presence | Tolerant | Not relevant | Not sensitive | No change | High |
| Abrasion & physical disturbance | Intermediate | High | Low | Decline | Low |
| Displacement | High | High | Moderate | Decline | High |
Chemical Factors
| Click factor name to view rationale | Intolerance | Recoverability | Sensitivity | Species Richness | Evidence / Confidence |
|---|---|---|---|---|---|
| Synthetic compound contamination | Intermediate | High | Low | Decline | Moderate |
| Heavy metal contamination | Insufficient information | Insufficient information | Insufficient information | Insufficient Information | Not relevant |
| Hydrocarbon contamination | Insufficient information | Insufficient information | Insufficient information | Insufficient Information | Not relevant |
| Radionuclide contamination | Insufficient information | Insufficient information | Insufficient information | Insufficient Information | Not relevant |
| Changes in nutrient levels | Low | Very high | Very low | Minor decline | Moderate |
| Increase in salinity | Insufficient information | Not relevant | Insufficient information | Insufficient Information | Not relevant |
| Decrease in salinity | Intermediate | High | Low | Decline | Moderate |
| Changes in oxygenation | Insufficient information | Insufficient information | Insufficient information | Insufficient Information | Not relevant |
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 | Insufficient information | Insufficient information | Insufficient information | Insufficient Information | Not relevant |
| Extraction of this species | Low | Very high | Very low | No change | Moderate |
| Extraction of other species | Low | Very high | Very low | Minor decline | Low |
Species used to indicate biotope intolerance
Physical factors
| Sabellaria spinulosa Key structural | Urticina felina Important functional | Ophiothrix fragilis Important functional | |
| Substratum Loss | High | High | High |
| Smothering | Low | Low | High |
| Increase in suspended sediment | Low | Low | Low |
| Decrease in suspended sediment | Intermediate | Tolerant* | |
| Desiccation | Tolerant | Intermediate | Intermediate |
| Increase in emergence regime | Intermediate | Intermediate | Not relevant |
| Decrease in emergence regime | Tolerant* | Tolerant* | |
| Increase in water flow rate | Intermediate | Tolerant | Low |
| Decrease in water flow rate | Intermediate | Intermediate | |
| Increase in temperature | Low | Intermediate | Intermediate |
| Decrease in temperature | Tolerant | Intermediate | |
| Increase in turbidity | Tolerant | Tolerant | Low |
| Decrease in turbidity | Intermediate | Tolerant | |
| Increase in wave exposure | Intermediate | Tolerant | Low |
| Decrease in wave exposure | Intermediate | Intermediate | |
| Noise | Tolerant | Tolerant | Low |
| Visual Presence | Tolerant | Tolerant | Tolerant |
| Abrasion & physical disturbance | Intermediate | Intermediate | Intermediate |
| Displacement | High | Low | Tolerant |
Chemical factors
| Sabellaria spinulosa Key structural | Urticina felina Important functional | Ophiothrix fragilis Important functional |
|
| Synthetic compound contamination | Tolerant* | Intermediate | Insufficient information |
| Heavy metal contamination | Insufficient information | Insufficient information | Insufficient information |
| Hydrocarbon contamination | Insufficient information | Low | High |
| Radionuclide contamination | Insufficient information | Insufficient information | Insufficient information |
| Changes in nutrient levels | Insufficient information | Insufficient information | Intermediate |
| Increase in salinity | Insufficient information | Not relevant | Low |
| Decrease in salinity | Intermediate | Low | |
| Changes in oxygenation | Intermediate | Intermediate | High |
Biological factors
| Sabellaria spinulosa Key structural | Urticina felina Important functional | Ophiothrix fragilis Important functional |
|
| Introduction of microbial pathogens/parasites | Insufficient information | Insufficient information | Low |
| Introduction of non-native species | Insufficient information | Insufficient information | Tolerant |
| Extraction of this species | Not relevant | High | Not relevant |
| Extraction of other species | Intermediate | Tolerant | Tolerant |
Species used to indicate biotope recoverability
Physical factors
| Sabellaria spinulosa Key structural | Urticina felina Important functional | Ophiothrix fragilis Important functional | |
| Substratum Loss | High | Moderate | High |
| Smothering | Immediate | Very high | High |
| Increase in suspended sediment | Immediate | Very high | Very high |
| Decrease in suspended sediment | High | Not relevant | |
| Desiccation | Not relevant | Moderate | High |
| Increase in emergence regime | High | Moderate | Not relevant |
| Decrease in emergence regime | Not relevant | Not relevant | |
| Increase in water flow rate | High | Not relevant | Very high |
| Decrease in water flow rate | High | Moderate | |
| Increase in temperature | High | High | High |
| Decrease in temperature | Not relevant | High | |
| Increase in turbidity | Not relevant | Not relevant | Very high |
| Decrease in turbidity | High | Not relevant | |
| Increase in wave exposure | High | Not relevant | Very high |
| Decrease in wave exposure | High | High | |
| Noise | Not relevant | Not relevant | Very high |
| Visual Presence | Not relevant | Not relevant | Not relevant |
| Abrasion & physical disturbance | High | Moderate | High |
| Displacement | High | Immediate | Not relevant |
Chemical factors
| Sabellaria spinulosa Key structural | Urticina felina Important functional | Ophiothrix fragilis Important functional |
|
| Synthetic compound contamination | Not relevant | Moderate | Not relevant |
| Heavy metal contamination | Insufficient information | Insufficient information | Not relevant |
| Hydrocarbon contamination | Insufficient information | Very high | High |
| Radionuclide contamination | Insufficient information | Insufficient information | Not relevant |
| Changes in nutrient levels | Insufficient information | Insufficient information | High |
| Increase in salinity | Not relevant | Not relevant | High |
| Decrease in salinity | High | Very high | |
| Changes in oxygenation | High | High | High |
Biological factors
| Sabellaria spinulosa Key structural | Urticina felina Important functional | Ophiothrix fragilis Important functional |
|
| Introduction of microbial pathogens/parasites | Insufficient information | Insufficient information | High |
| Introduction of non-native species | Insufficient information | Insufficient information | Not relevant |
| Extraction of this species | Not relevant | Moderate | Not relevant |
| Extraction of other species | High | Not relevant | Not relevant |
This review can be cited as follows:
Jackson, A. & Hiscock, K. 2006. Sabellaria spinulosa crusts on silty turbid circalittoral rock. 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=348&code=1997>
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