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Biodiversity & Conservation
| Basic Information | Biotope classification | Ecology | Habitat preferences and distribution | Species composition | Sensitivity | Importance |
Dense Lanice conchilega and other polychaetes in tide-swept infralittoral sand
SS.IGS.FaS.Lcon
Image Bernard Picton - Dense Lanice conchilega and other polychaetes in tide-swept infralittoral sand. Image width ca 7 cm
Image copyright information
SS.IGS.FaS.Lcon 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 | Low | Immediate | Not sensitive | No change | Moderate |
| Increase in suspended sediment | Tolerant | Not relevant | Not sensitive | Rise | Moderate |
| Decrease in suspended sediment | Low | Very high | Very low | No change | Low |
| Desiccation | Low | High | Low | No change | Low |
| Increase in emergence regime | Tolerant | Not relevant | Not sensitive | No change | Moderate |
| Decrease in emergence regime | Not relevant | Not relevant | Not relevant | Not relevant | Not relevant |
| Increase in water flow rate | High | High | Moderate | Decline | Low |
| Decrease in water flow rate | High | High | Moderate | Decline | Low |
| Increase in temperature | Low | Very high | Very low | No change | Low |
| Decrease in temperature | Low | Very high | Very low | Decline | Low |
| Increase in turbidity | Low | Very high | Very low | No change | Low |
| 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 | Low |
| Noise | Tolerant | Not relevant | Not sensitive | No change | Low |
| Visual Presence | Tolerant | Not relevant | Not sensitive | No change | Low |
| Abrasion & physical disturbance | Intermediate | High | Low | Minor decline | Moderate |
| Displacement | Intermediate | Immediate | Very low | Minor decline | Moderate |
Chemical Factors
| Click factor name to view rationale | Intolerance | Recoverability | Sensitivity | Species Richness | Evidence / Confidence |
|---|---|---|---|---|---|
| Synthetic compound contamination | High | High | Moderate | Major decline | Low |
| Heavy metal contamination | Intermediate | High | Low | Decline | Moderate |
| Hydrocarbon contamination | Intermediate | High | Low | Decline | High |
| Radionuclide contamination | Insufficient information | Not relevant | Insufficient information | Not relevant | Not relevant |
| Changes in nutrient levels | High | High | Moderate | Decline | Low |
| Increase in salinity | Not relevant | Not relevant | Not relevant | Not relevant | Not relevant |
| Decrease in salinity | High | High | Moderate | Decline | Low |
| 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 | Insufficient information | Not relevant | Insufficient information | Not relevant | Not relevant |
| Extraction of this species | Intermediate | Very high | Low | Decline | Moderate |
| Extraction of other species | High | Very high | Low | Major decline | Moderate |
Species used to indicate biotope intolerance
Physical factors
| Lanice conchilega Key structural | Arenicola marina Important characterizing | Abra alba Important other | |
| Substratum Loss | High | High | High |
| Smothering | Low | Tolerant | Low |
| Increase in suspended sediment | Tolerant | Low | Tolerant* |
| Decrease in suspended sediment | Low | Low | |
| Desiccation | Intermediate | Not relevant | Low |
| Increase in emergence regime | Intermediate | Intermediate | Intermediate |
| Decrease in emergence regime | Tolerant* | Tolerant | |
| Increase in water flow rate | Intermediate | Intermediate | Low |
| Decrease in water flow rate | Intermediate | Low | |
| Increase in temperature | Low | Intermediate | Low |
| Decrease in temperature | High | Intermediate | |
| Increase in turbidity | Tolerant | Low | Low |
| Decrease in turbidity | Tolerant | Tolerant | |
| Increase in wave exposure | High | Intermediate | Intermediate |
| Decrease in wave exposure | Low | Tolerant | |
| Noise | Tolerant | Tolerant | Tolerant |
| Visual Presence | Tolerant | Tolerant | Not relevant |
| Abrasion & physical disturbance | Intermediate | Intermediate | Intermediate |
| Displacement | Intermediate | Low | Intermediate |
Chemical factors
| Lanice conchilega Key structural | Arenicola marina Important characterizing | Abra alba Important other |
|
| Synthetic compound contamination | High | High | High |
| Heavy metal contamination | Intermediate | Low | Intermediate |
| Hydrocarbon contamination | Intermediate | Intermediate | Low |
| Radionuclide contamination | Insufficient information | Insufficient information | Insufficient information |
| Changes in nutrient levels | Intermediate | Intermediate | Tolerant* |
| Increase in salinity | Not relevant | Low | Not relevant |
| Decrease in salinity | Intermediate | Intermediate | |
| Changes in oxygenation | Intermediate | Low | Tolerant |
Biological factors
| Lanice conchilega Key structural | Arenicola marina Important characterizing | Abra alba Important other |
|
| Introduction of microbial pathogens/parasites | Insufficient information | Insufficient information | Insufficient information |
| Introduction of non-native species | Insufficient information | Insufficient information | Not relevant |
| Extraction of this species | Not relevant | Intermediate | Not relevant |
| Extraction of other species | Intermediate | Intermediate | Intermediate |
Species used to indicate biotope recoverability
Physical factors
| Lanice conchilega Key structural | Arenicola marina Important characterizing | Abra alba Important other | |
| Substratum Loss | High | High | High |
| Smothering | High | Not relevant | Immediate |
| Increase in suspended sediment | Not relevant | Immediate | Not relevant |
| Decrease in suspended sediment | High | Immediate | |
| Desiccation | High | Not relevant | Immediate |
| Increase in emergence regime | High | Very high | Very high |
| Decrease in emergence regime | Not relevant | Not relevant | |
| Increase in water flow rate | High | Very high | Very high |
| Decrease in water flow rate | High | Very high | |
| Increase in temperature | High | Very high | Very high |
| Decrease in temperature | High | Very high | |
| Increase in turbidity | Not relevant | Immediate | Very high |
| Decrease in turbidity | Not relevant | Not relevant | |
| Increase in wave exposure | High | Very high | Very high |
| Decrease in wave exposure | High | Not relevant | |
| Noise | Not relevant | Not relevant | Not relevant |
| Visual Presence | Not relevant | Not relevant | Not relevant |
| Abrasion & physical disturbance | Very high | Very high | Very high |
| Displacement | Very high | Immediate | Immediate |
Chemical factors
| Lanice conchilega Key structural | Arenicola marina Important characterizing | Abra alba Important other |
|
| Synthetic compound contamination | High | High | High |
| Heavy metal contamination | High | Very high | High |
| Hydrocarbon contamination | High | High | Very high |
| Radionuclide contamination | Not relevant | Not relevant | Not relevant |
| Changes in nutrient levels | Moderate | High | Not relevant |
| Increase in salinity | Not relevant | Immediate | Not relevant |
| Decrease in salinity | High | Very high | |
| Changes in oxygenation | High | Immediate | Not relevant |
Biological factors
| Lanice conchilega Key structural | Arenicola marina Important characterizing | Abra alba Important other |
|
| Introduction of microbial pathogens/parasites | Insufficient information | Not relevant | Not relevant |
| Introduction of non-native species | Insufficient information | Not relevant | Not relevant |
| Extraction of this species | Not relevant | Very high | Not relevant |
| Extraction of other species | Moderate | Very high | Very high |
This review can be cited as follows:
Budd, G.C. 2006. Dense Lanice conchilega and other polychaetes in tide-swept infralittoral sand. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 22/05/2013]. Available from: <http://www.marlin.ac.uk/habitatsensitivity.php?habitatid=116&code=1997>
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