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Biodiversity & Conservation
| Basic Information | Biotope classification | Ecology | Habitat preferences and distribution | Species composition | Sensitivity | Importance |
Abra alba, Nucula nitida and Corbula gibba in circalittoral muddy sand or slightly mixed sediment
SS.CMS._.AbrNucCor
SS.CMS._.AbrNucCor 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 | Moderate |
| Smothering | Low | Immediate | Not sensitive | No change | High |
| Increase in suspended sediment | Tolerant* | Not relevant | Not sensitive* | No change | High |
| Decrease in suspended sediment | Low | Very high | Very low | No change | Moderate |
| Desiccation | Not relevant | Not relevant | Not relevant | No change | Not relevant |
| Increase in emergence regime | Not relevant | Not relevant | Not relevant | No change | Not relevant |
| Decrease in emergence regime | Not relevant | Not relevant | Not relevant | No change | Not relevant |
| Increase in water flow rate | High | High | Moderate | Decline | Moderate |
| Decrease in water flow rate | Low | Very high | Very low | Minor decline | Moderate |
| Increase in temperature | Low | Immediate | Not sensitive | No change | Very low |
| Decrease in temperature | Intermediate | High | Low | Decline | High |
| Increase in turbidity | Low | Very high | Very low | No change | Moderate |
| Decrease in turbidity | Tolerant* | Not relevant | Not sensitive* | No change | Moderate |
| Increase in wave exposure | High | High | Moderate | Major decline | Moderate |
| Decrease in wave exposure | Tolerant | Not relevant | Not sensitive | No change | Moderate |
| Noise | Tolerant | Not relevant | Not sensitive | No change | Low |
| Visual Presence | Tolerant | Not relevant | Not sensitive | Not relevant | Moderate |
| Abrasion & physical disturbance | Intermediate | High | Low | No change | Moderate |
| Displacement | Intermediate | Very high | Low | Minor decline | Low |
Chemical Factors
| Click factor name to view rationale | Intolerance | Recoverability | Sensitivity | Species Richness | Evidence / Confidence |
|---|---|---|---|---|---|
| Synthetic compound contamination | High | High | Moderate | Decline | |
| Heavy metal contamination | Intermediate | High | Low | Decline | Low |
| Hydrocarbon contamination | Intermediate | Moderate | Moderate | Decline | Very low |
| Radionuclide contamination | Insufficient information | Not relevant | Insufficient information | Not relevant | Not relevant |
| Changes in nutrient levels | Tolerant* | Not relevant | Not sensitive* | No change | Low |
| Increase in salinity | Not relevant | Not relevant | Not relevant | Not relevant | Not relevant |
| Decrease in salinity | Not relevant | Not relevant | Not relevant | Not relevant | Not relevant |
| Changes in oxygenation | Intermediate | High | Low | 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 | Not relevant | Not relevant | Not relevant | Not relevant | Not relevant |
| Extraction of this species | Not relevant | Not relevant | Not relevant | Not relevant | Not relevant |
| Extraction of other species | Not relevant | Not relevant | Not relevant | Not relevant | Not relevant |
Species used to indicate biotope intolerance
Physical factors
| Abra alba Important characterizing | Nucula nitidosa Important characterizing | Corbula gibba Important characterizing | Nephtys hombergii Important characterizing | Echinocardium cordatum Important other | |
| Substratum Loss | High | High | High | Intermediate | High |
| Smothering | Low | Low | Low | Tolerant | Tolerant |
| Increase in suspended sediment | Tolerant* | Tolerant* | Tolerant* | Tolerant | Low |
| Decrease in suspended sediment | Low | Low | Low | Not relevant | |
| Desiccation | Low | Low | Low | Not relevant | Low |
| Increase in emergence regime | Intermediate | Intermediate | Intermediate | Not relevant | Low |
| Decrease in emergence regime | Tolerant | Tolerant* | Tolerant* | Low | |
| Increase in water flow rate | Low | Intermediate | Intermediate | Low | Intermediate |
| Decrease in water flow rate | Low | Intermediate | Intermediate | Tolerant | |
| Increase in temperature | Low | Tolerant | Tolerant | Tolerant | Intermediate |
| Decrease in temperature | Intermediate | Low | Tolerant | Tolerant | |
| Increase in turbidity | Low | Not relevant | Low | Not relevant | Low |
| Decrease in turbidity | Tolerant | Not relevant | Not relevant | Not relevant | |
| Increase in wave exposure | Intermediate | Intermediate | Intermediate | Intermediate | Intermediate |
| Decrease in wave exposure | Tolerant | Intermediate | Intermediate | Tolerant | |
| Noise | Tolerant | Insufficient information | Tolerant | Tolerant | Tolerant |
| Visual Presence | Not relevant | Insufficient information | Tolerant | Tolerant | Not relevant |
| Abrasion & physical disturbance | Intermediate | Intermediate | Intermediate | Intermediate | High |
| Displacement | Intermediate | Low | Intermediate | Tolerant | Low |
Chemical factors
| Abra alba Important characterizing | Nucula nitidosa Important characterizing | Corbula gibba Important characterizing | Nephtys hombergii Important characterizing | Echinocardium cordatum Important other |
|
| Synthetic compound contamination | High | Insufficient information | Intermediate | Intermediate | High |
| Heavy metal contamination | Intermediate | Insufficient information | Intermediate | Intermediate | Intermediate |
| Hydrocarbon contamination | Low | Insufficient information | Insufficient information | High | High |
| Radionuclide contamination | Insufficient information | Insufficient information | Insufficient information | Insufficient information | Insufficient information |
| Changes in nutrient levels | Tolerant* | Tolerant* | Tolerant* | Low | High |
| Increase in salinity | Not relevant | Insufficient information | Tolerant | Low | Intermediate |
| Decrease in salinity | Intermediate | Intermediate | Tolerant | Low | |
| Changes in oxygenation | Tolerant | Intermediate | Low | Tolerant | High |
Biological factors
| Abra alba Important characterizing | Nucula nitidosa Important characterizing | Corbula gibba Important characterizing | Nephtys hombergii Important characterizing | Echinocardium cordatum Important other |
|
| Introduction of microbial pathogens/parasites | Insufficient information | Intermediate | Low | Insufficient information | Low |
| Introduction of non-native species | Not relevant | Insufficient information | Insufficient information | Tolerant | Not relevant |
| Extraction of this species | Not relevant | Not relevant | Not relevant | Intermediate | Intermediate |
| Extraction of other species | Intermediate | Intermediate | Intermediate | High | Intermediate |
Species used to indicate biotope recoverability
Physical factors
| Abra alba Important characterizing | Nucula nitidosa Important characterizing | Corbula gibba Important characterizing | Nephtys hombergii Important characterizing | Echinocardium cordatum Important other | |
| Substratum Loss | High | Moderate | High | Very high | High |
| Smothering | Immediate | Very high | Immediate | Not relevant | Not relevant |
| Increase in suspended sediment | Not relevant | Not relevant | Not relevant | Not relevant | High |
| Decrease in suspended sediment | Immediate | Very high | Immediate | Not relevant | |
| Desiccation | Immediate | High | Very high | Not relevant | High |
| Increase in emergence regime | Very high | High | High | Not relevant | High |
| Decrease in emergence regime | Not relevant | Not relevant | Not relevant | Very high | |
| Increase in water flow rate | Very high | High | High | Very high | High |
| Decrease in water flow rate | Very high | High | High | Not relevant | |
| Increase in temperature | Very high | Not relevant | Not relevant | Not relevant | High |
| Decrease in temperature | Very high | Very high | Not relevant | Not relevant | |
| Increase in turbidity | Very high | Not relevant | Very high | Not relevant | High |
| Decrease in turbidity | Not relevant | Not relevant | Not relevant | Not relevant | |
| Increase in wave exposure | Very high | Moderate | High | Very high | High |
| Decrease in wave exposure | Not relevant | High | High | Not relevant | |
| Noise | Not relevant | Not relevant | Not relevant | Not relevant | Not relevant |
| Visual Presence | Not relevant | Not relevant | Insufficient information | Not relevant | Not relevant |
| Abrasion & physical disturbance | Very high | High | High | Very high | High |
| Displacement | Immediate | High | High | Immediate | High |
Chemical factors
| Abra alba Important characterizing | Nucula nitidosa Important characterizing | Corbula gibba Important characterizing | Nephtys hombergii Important characterizing | Echinocardium cordatum Important other |
|
| Synthetic compound contamination | High | Not relevant | High | High | High |
| Heavy metal contamination | High | Not relevant | High | High | High |
| Hydrocarbon contamination | Very high | Not relevant | Insufficient information | High | High |
| Radionuclide contamination | Not relevant | Not relevant | Insufficient information | Not relevant | Insufficient information |
| Changes in nutrient levels | Not relevant | Not relevant | Not relevant | Very high | High |
| Increase in salinity | Not relevant | Not relevant | Not relevant | Very high | High |
| Decrease in salinity | Very high | High | Not relevant | Very high | |
| Changes in oxygenation | Not relevant | High | Immediate | Not relevant | High |
Biological factors
| Abra alba Important characterizing | Nucula nitidosa Important characterizing | Corbula gibba Important characterizing | Nephtys hombergii Important characterizing | Echinocardium cordatum Important other |
|
| Introduction of microbial pathogens/parasites | Not relevant | High | Very high | Not relevant | High |
| Introduction of non-native species | Not relevant | Not relevant | Insufficient information | Not relevant | Not relevant |
| Extraction of this species | Not relevant | Not relevant | Not relevant | Very high | High |
| Extraction of other species | Very high | High | High | Very high | High |
This review can be cited as follows:
Budd, G.C. 2006. Abra alba, Nucula nitida and Corbula gibba in circalittoral muddy sand or slightly mixed sediment. 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=62&code=1997>
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