Biodiversity & Conservation

Sensitivity

Importance

Fucus serratus, sponges and ascidians on tide-swept lower eulittoral rock

LR.SLR.F.Fserr.T

<i>%Fucus serratus%</i>, sponges and ascidians on tide-swept lower eulittoral rock

LR.SLR.F.Fserr.T 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	Moderate	Moderate	Major decline	Moderate
Smothering	Tolerant	Not relevant	Not sensitive	Not relevant	Not relevant
Increase in suspended sediment	Intermediate	High	Low	Minor decline	Low
Decrease in suspended sediment	Tolerant*	Not relevant	Not sensitive*	No change	Low
Desiccation	Intermediate	High	Low	Decline	Moderate
Increase in emergence regime	Intermediate	High	Low	Major decline	Low
Decrease in emergence regime	Tolerant	Not relevant	Not sensitive	Not relevant	Not relevant
Increase in water flow rate	Not relevant	Not relevant	Not relevant	Not relevant	Not relevant
Decrease in water flow rate	Intermediate	High	Low	Decline	Moderate
Increase in temperature	Low	Very high	Very low	Minor decline	Low
Decrease in temperature	Low	Very high	Very low	Minor decline	Low
Increase in turbidity	Tolerant	Not relevant	Not sensitive	Not relevant	Not relevant
Decrease in turbidity	Tolerant*	Not relevant	Not sensitive*	No change	Not relevant
Increase in wave exposure	High	Moderate	Moderate	Major decline	Moderate
Decrease in wave exposure	Not relevant	Not relevant	Not relevant	Not relevant	Not relevant
Noise	Tolerant	Not relevant	Not sensitive	Not relevant	Not relevant
Visual Presence	Tolerant	Not relevant	Not sensitive	Not relevant	Not relevant
Abrasion & physical disturbance	Intermediate	High	Low	Decline	Moderate
Displacement	High	Moderate	Moderate	Major decline	Moderate

Chemical Factors

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

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	Not relevant	Not relevant	Not relevant	Not relevant	Not relevant
Extraction of this species	High	Moderate	Moderate	Major decline	Low
Extraction of other species	Not relevant	Not relevant	Not relevant	Not relevant	Not relevant

Species used to indicate biotope intolerance

Physical factors

	Fucus serratus Key Structuring	Ascidiella scabra Important characterizing	Chondrus crispus Important other	Pomatoceros triqueter Important other	Patella vulgata Important other
Substratum Loss	High	High	High	High	High
Smothering	High	Low	Intermediate	High	High
Increase in suspended sediment	Low	Low	Intermediate	Low	Low
Decrease in suspended sediment		Tolerant	Tolerant	Low	Low
Desiccation	Intermediate	Intermediate	Intermediate	Intermediate	Low
Increase in emergence regime	Intermediate	Intermediate	Intermediate	Intermediate	Low
Decrease in emergence regime		Tolerant*	Tolerant	Tolerant*
Increase in water flow rate	Intermediate	Low	Intermediate	Tolerant*	Low
Decrease in water flow rate		Low	Intermediate	Tolerant
Increase in temperature	Tolerant	Tolerant	Low	Tolerant*	Low
Decrease in temperature		Tolerant	Low	Intermediate
Increase in turbidity	Low	Tolerant	Low	Tolerant	Low
Decrease in turbidity		Tolerant*	Tolerant*	Tolerant
Increase in wave exposure	High	Intermediate	Intermediate	Low	Low
Decrease in wave exposure		Tolerant*	Low	Tolerant
Noise	Tolerant	Tolerant	Tolerant	Tolerant	Low
Visual Presence	Tolerant	Tolerant	Tolerant	Tolerant	Tolerant
Abrasion & physical disturbance	Intermediate	High	Low	Intermediate	Low
Displacement	High	High	High	Low	Intermediate

Chemical factors

	Fucus serratus Key Structuring	Ascidiella scabra Important characterizing	Chondrus crispus Important other	Pomatoceros triqueter Important other	Patella vulgata Important other
Synthetic compound contamination	High	Intermediate	High	Insufficient information	High
Heavy metal contamination	Low	Insufficient information	Insufficient information	Insufficient information	Intermediate
Hydrocarbon contamination	Intermediate	Insufficient information	Low	Insufficient information	High
Radionuclide contamination	Insufficient information	Insufficient information	Insufficient information	Insufficient information	Insufficient information
Changes in nutrient levels	Intermediate	Insufficient information	Intermediate	Insufficient information	Low
Increase in salinity	Low	Tolerant	Tolerant	Tolerant	Low
Decrease in salinity		Intermediate	Low	High
Changes in oxygenation	Low	Low	Insufficient information	Insufficient information	Intermediate

Biological factors

	Fucus serratus Key Structuring	Ascidiella scabra Important characterizing	Chondrus crispus Important other	Pomatoceros triqueter Important other	Patella vulgata Important other
Introduction of microbial pathogens/parasites	Insufficient information	Insufficient information	Intermediate	Insufficient information	Insufficient information
Introduction of non-native species	Insufficient information	Tolerant	Insufficient information	Tolerant	Not relevant
Extraction of this species	Intermediate	Not relevant	Intermediate	Not relevant	Intermediate
Extraction of other species	Tolerant	Not relevant	Insufficient information	Not relevant	Low

Species used to indicate biotope recoverability

Physical factors

	Fucus serratus Key Structuring	Ascidiella scabra Important characterizing	Chondrus crispus Important other	Pomatoceros triqueter Important other	Patella vulgata Important other
Substratum Loss	High	Very high	High	High	High
Smothering	High	Immediate	High	High	High
Increase in suspended sediment	Very high	Immediate	High	High	High
Decrease in suspended sediment		Not relevant	Not relevant	High	High
Desiccation	High	Very high	High	High	High
Increase in emergence regime	High	Very high	High	High	High
Decrease in emergence regime		Not relevant	Not relevant	Not relevant
Increase in water flow rate	High	Immediate	High	Not relevant	High
Decrease in water flow rate		Immediate	High	Not relevant
Increase in temperature	Not relevant	Not relevant	Very high	Not relevant	High
Decrease in temperature		Not relevant	Very high	High
Increase in turbidity	Very high	Not relevant	Very high	Not relevant	Very high
Decrease in turbidity		Not relevant	Not relevant	Not relevant
Increase in wave exposure	High	Very high	High	High	High
Decrease in wave exposure		Not relevant	Very high	Not relevant
Noise	Not relevant	Not relevant	Not relevant	Not relevant	High
Visual Presence	Not relevant	Not relevant	Not relevant	Not relevant	Not relevant
Abrasion & physical disturbance	High	Very high	Very high	High	Very high
Displacement	High	Very high	High	High	High

Chemical factors

	Fucus serratus Key Structuring	Ascidiella scabra Important characterizing	Chondrus crispus Important other	Pomatoceros triqueter Important other	Patella vulgata Important other
Synthetic compound contamination	High	Very high	High	Not relevant	High
Heavy metal contamination	High	Not relevant	Insufficient information	Not relevant	High
Hydrocarbon contamination	High	Not relevant	Very high	Not relevant	High
Radionuclide contamination	Insufficient information	Not relevant	Insufficient information	Not relevant	Insufficient information
Changes in nutrient levels	High	Not relevant	High	Not relevant	High
Increase in salinity	Very high	Not relevant	Not relevant	Not relevant	High
Decrease in salinity		Very high	Very high	High
Changes in oxygenation	Very high	Immediate	Insufficient information	Not relevant	High

Biological factors

	Fucus serratus Key Structuring	Ascidiella scabra Important characterizing	Chondrus crispus Important other	Pomatoceros triqueter Important other	Patella vulgata Important other
Introduction of microbial pathogens/parasites	Insufficient information	Not relevant	High	Not relevant	Insufficient information
Introduction of non-native species	Insufficient information	Not relevant	Insufficient information	Not relevant	Not relevant
Extraction of this species	High	Not relevant	High	Not relevant	High
Extraction of other species	Not relevant	Not relevant	Insufficient information	Not relevant	High

This review can be cited as follows:

Marshall, C.E. 2005. Fucus serratus, sponges and ascidians on tide-swept lower eulittoral rock. 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=42&code=1997>

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Fucus serratus, sponges and ascidians on tide-swept lower eulittoral rock

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LR.SLR.F.Fserr.T