Biodiversity & Conservation

Sensitivity

Importance

Fucus ceranoides on reduced salinity eulittoral rock

LR.LLR.FVS.Fcer

Image Rohan Holt - Fucus ceranoides near freshwater stream. Image width ca 40 cm.
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LR.LLR.FVS.Fcer 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	Intermediate	High	Low	Decline	Low
Increase in suspended sediment	Low	High	Low	Minor decline	Low
Decrease in suspended sediment	Low	Immediate	Not sensitive	No change	Low
Desiccation	Intermediate	High	Low	Minor decline	Moderate
Increase in emergence regime	Low	Immediate	Not sensitive	Minor decline	Low
Decrease in emergence regime	Low	Very high	Very low	No change	Low
Increase in water flow rate	Intermediate	High	Low	Minor decline	Low
Decrease in water flow rate	Tolerant	Not relevant	Not sensitive	Not relevant	Not relevant
Increase in temperature	Low	Very high	Very low	No change	Low
Decrease in temperature	Low	Immediate	Not sensitive	Minor decline	Low
Increase in turbidity	Low	Immediate	Not sensitive	Minor decline	Low
Decrease in turbidity	Tolerant*	Not relevant	Not sensitive*	No change	Low
Increase in wave exposure	Intermediate	High	Low	Major decline	Low
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	Minor decline	Moderate
Displacement	High	High	Moderate	Decline	Moderate

Chemical Factors

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

Biological Factors

Click factor name to view rationale	Intolerance	Recoverability	Sensitivity	Species Richness	Evidence / Confidence
Introduction of microbial pathogens/parasites	Low	None	High		High
Introduction of non-native species	Tolerant	Not relevant	Not sensitive	Not relevant	Not relevant
Extraction of this species	High	High	Moderate	Decline	Moderate
Extraction of other species	High	High	Moderate	Decline	Moderate

Species used to indicate biotope intolerance

Physical factors

	Fucus ceranoides Key structural	Littorina littorea Key functional	Ulva intestinalis Important characterizing	Semibalanus balanoides Important other
Substratum Loss	High	High	High	High
Smothering	High	High	High	Intermediate
Increase in suspended sediment	Tolerant	Intermediate	Intermediate	Low
Decrease in suspended sediment			Tolerant
Desiccation	High	Low	Low	Intermediate
Increase in emergence regime	High	Low	Tolerant*	High
Decrease in emergence regime			Low
Increase in water flow rate	Intermediate	Intermediate	Intermediate	Low
Decrease in water flow rate			Tolerant
Increase in temperature	Low	Low	Tolerant*	Intermediate
Decrease in temperature			Tolerant
Increase in turbidity	Low	Low	Low	Low
Decrease in turbidity			Tolerant*
Increase in wave exposure	Intermediate	Intermediate	Low	Low
Decrease in wave exposure			Tolerant
Noise	Not relevant	Tolerant	Not relevant	Tolerant
Visual Presence	Not relevant	Tolerant	Not relevant	Tolerant
Abrasion & physical disturbance	Intermediate	Intermediate	High	Intermediate
Displacement	High	Tolerant	Tolerant	High

Chemical factors

	Fucus ceranoides Key structural	Littorina littorea Key functional	Ulva intestinalis Important characterizing	Semibalanus balanoides Important other
Synthetic compound contamination	Insufficient information	Low	Intermediate	Intermediate
Heavy metal contamination	Low	Intermediate	Low	Low
Hydrocarbon contamination	Insufficient information	High	High	Intermediate
Radionuclide contamination	Insufficient information	Insufficient information	Insufficient information	Insufficient information
Changes in nutrient levels	High	Tolerant	Tolerant*	Intermediate
Increase in salinity	Intermediate	Tolerant	Tolerant	Low
Decrease in salinity			Tolerant
Changes in oxygenation	Insufficient information	Low	Insufficient information	Intermediate

Biological factors

	Fucus ceranoides Key structural	Littorina littorea Key functional	Ulva intestinalis Important characterizing	Semibalanus balanoides Important other
Introduction of microbial pathogens/parasites	Insufficient information	Insufficient information	Insufficient information	Intermediate
Introduction of non-native species	Insufficient information	Insufficient information	Not relevant	Intermediate
Extraction of this species	Insufficient information	Intermediate	Intermediate	Not relevant
Extraction of other species	Insufficient information	Tolerant	Not relevant	Intermediate

Species used to indicate biotope recoverability

Physical factors

	Fucus ceranoides Key structural	Littorina littorea Key functional	Ulva intestinalis Important characterizing	Semibalanus balanoides Important other
Substratum Loss	Moderate	High	Very high	High
Smothering	Moderate	High	Very high	High
Increase in suspended sediment	Not relevant	High	Very high	Very high
Decrease in suspended sediment			Not relevant
Desiccation	Moderate	Immediate	Very high	High
Increase in emergence regime	Moderate	Immediate	Not relevant	High
Decrease in emergence regime			Very high
Increase in water flow rate	Moderate	High	Very high	Very high
Decrease in water flow rate			Not relevant
Increase in temperature	Moderate	Immediate	Not relevant	High
Decrease in temperature			Not relevant
Increase in turbidity	Immediate	Very high	Very high	Very high
Decrease in turbidity			Not relevant
Increase in wave exposure	Moderate	High	Very high	High
Decrease in wave exposure			Not relevant
Noise	Not relevant	Not relevant	Not relevant	Not relevant
Visual Presence	Not relevant	Not relevant	Not relevant	Not relevant
Abrasion & physical disturbance	Moderate	High	Very high	High
Displacement	Moderate	Not relevant	Not relevant	High

Chemical factors

	Fucus ceranoides Key structural	Littorina littorea Key functional	Ulva intestinalis Important characterizing	Semibalanus balanoides Important other
Synthetic compound contamination	Not relevant	Very high	High	Moderate
Heavy metal contamination	Very high	High	Very high	High
Hydrocarbon contamination	Not relevant	High	Very high	Moderate
Radionuclide contamination	Not relevant	Insufficient information	Not relevant	Not relevant
Changes in nutrient levels	Moderate	Not relevant	Not relevant	High
Increase in salinity	Moderate	Not relevant	Not relevant	High
Decrease in salinity			Not relevant
Changes in oxygenation	Not relevant	Very high	Not relevant	High

Biological factors

	Fucus ceranoides Key structural	Littorina littorea Key functional	Ulva intestinalis Important characterizing	Semibalanus balanoides Important other
Introduction of microbial pathogens/parasites	Not relevant	Insufficient information	Not relevant	High
Introduction of non-native species	Not relevant	Insufficient information	Not relevant	High
Extraction of this species	Not relevant	High	Very high	Not relevant
Extraction of other species	Not relevant	Not relevant	Not relevant	High

This review can be cited as follows:

Budd, G.C. 2007. Fucus ceranoides on reduced salinity 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=271&code=2004>

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Fucus ceranoides on reduced salinity eulittoral rock

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LR.LLR.FVS.Fcer