Biodiversity & Conservation

Sensitivity

Laminaria hyperborea with dense foliose red seaweeds on exposed infralittoral rock.

IR.EIR.KFaR.LhypR

Image Anon. - Laminaria hyperborea forest with dense foliose red seaweeds on exposed upper infralittoral rock (EIR.LhypR.Ft). Image width ca 3 m in foreground.
Image copyright information

IR.EIR.KFaR.LhypR 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	Decline	Moderate
Smothering	Intermediate	High	Low	Decline	Low
Increase in suspended sediment	Intermediate	Very high	Low	Decline	Low
Decrease in suspended sediment	Tolerant	Not relevant	Not sensitive	No change	Low
Desiccation	High	Moderate	Moderate	Decline	Moderate
Increase in emergence regime	High	Moderate	Moderate	Decline	Low
Decrease in emergence regime	Tolerant*	Not relevant	Not sensitive*	No change	Low
Increase in water flow rate	High	Moderate	Moderate	Minor decline	Low
Decrease in water flow rate	Low	Very high	Very low	No change	Low
Increase in temperature	High	Moderate	Moderate	Decline	Low
Decrease in temperature	Low	Very high	Very low	No change	Very low
Increase in turbidity	Intermediate	Moderate	Moderate	Minor decline	Moderate
Decrease in turbidity	Tolerant*	Not relevant	Not sensitive*	No change	Moderate
Increase in wave exposure	Intermediate	Moderate	Moderate	Minor decline	Moderate
Decrease in wave exposure	High	Moderate	Moderate	Decline	Moderate
Noise	Tolerant	Not relevant	Not sensitive	Not relevant	Very low
Visual Presence	Tolerant	Not relevant	Not sensitive	Not relevant	Very low
Abrasion & physical disturbance	Intermediate	Moderate	Moderate	Decline	Moderate
Displacement	High	Moderate	Moderate	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	Moderate
Heavy metal contamination	Intermediate	High	Low	Minor decline	Low
Hydrocarbon contamination	Intermediate	High	Low	Minor decline	Moderate
Radionuclide contamination	Insufficient information	Insufficient information	Insufficient information	Insufficient Information	Not relevant
Changes in nutrient levels	Intermediate	Moderate	Moderate	Decline	Low
Increase in salinity	Not relevant	Not relevant	Not relevant	Not relevant	Not relevant
Decrease in salinity	Intermediate	Moderate	Moderate	Minor decline	Low
Changes in oxygenation	Intermediate	High	Low	Decline	Very low

Biological Factors

Click factor name to view rationale	Intolerance	Recoverability	Sensitivity	Species Richness	Evidence / Confidence
Introduction of microbial pathogens/parasites	Intermediate	High	Low		Moderate
Introduction of non-native species	Intermediate	High	Low	Minor decline	Very low
Extraction of this species	Intermediate	Moderate	Moderate	Decline	Moderate
Extraction of other species	High	Moderate	Moderate	Decline	Moderate

Species used to indicate biotope intolerance

Physical factors

	Laminaria hyperborea Key structural	Echinus esculentus Key functional	Delesseria sanguinea Important characterizing
Substratum Loss	High	High	High
Smothering	Low	Intermediate	Intermediate
Increase in suspended sediment	Low	Low	Low
Decrease in suspended sediment
Desiccation	High	Intermediate	High
Increase in emergence regime	High	Low	Intermediate
Decrease in emergence regime
Increase in water flow rate	High	Low	Intermediate
Decrease in water flow rate
Increase in temperature	High	Intermediate	Low
Decrease in temperature
Increase in turbidity	Intermediate	Low	Tolerant
Decrease in turbidity
Increase in wave exposure	High	Low	Tolerant
Decrease in wave exposure
Noise	Tolerant	Tolerant	Tolerant
Visual Presence	Tolerant	Low	Tolerant
Abrasion & physical disturbance	Intermediate	Intermediate	Intermediate
Displacement	High	Low	High

Chemical factors

	Laminaria hyperborea Key structural	Echinus esculentus Key functional	Delesseria sanguinea Important characterizing
Synthetic compound contamination	Low	High	High
Heavy metal contamination	Intermediate	High	Low
Hydrocarbon contamination	Low	High	High
Radionuclide contamination	Insufficient information	Insufficient information	Insufficient information
Changes in nutrient levels	Intermediate	Tolerant*	Low
Increase in salinity	Intermediate	Intermediate	Low
Decrease in salinity
Changes in oxygenation	Insufficient information	Intermediate	High

Biological factors

	Laminaria hyperborea Key structural	Echinus esculentus Key functional	Delesseria sanguinea Important characterizing
Introduction of microbial pathogens/parasites	Low	Intermediate	Insufficient information
Introduction of non-native species	Insufficient information	Not relevant	Not relevant
Extraction of this species	Intermediate	Intermediate	Not relevant
Extraction of other species	Intermediate	Intermediate	Tolerant*

Species used to indicate biotope recoverability

Physical factors

	Laminaria hyperborea Key structural	Echinus esculentus Key functional	Delesseria sanguinea Important characterizing
Substratum Loss	Moderate	High	High
Smothering	Immediate	High	High
Increase in suspended sediment	Immediate	Very high	Immediate
Decrease in suspended sediment
Desiccation	Moderate	High	High
Increase in emergence regime	Moderate	Very high	High
Decrease in emergence regime
Increase in water flow rate	Moderate	Very high	High
Decrease in water flow rate
Increase in temperature	Moderate	High	Immediate
Decrease in temperature
Increase in turbidity	Moderate	Very high	Not relevant
Decrease in turbidity
Increase in wave exposure	Moderate	Very high	Not relevant
Decrease in wave exposure
Noise	Not relevant	Not relevant	Not relevant
Visual Presence	Not relevant	Immediate	Not relevant
Abrasion & physical disturbance	Moderate	High	High
Displacement	Moderate	Very high	High

Chemical factors

	Laminaria hyperborea Key structural	Echinus esculentus Key functional	Delesseria sanguinea Important characterizing
Synthetic compound contamination	Immediate	High	High
Heavy metal contamination	Immediate	High	Very high
Hydrocarbon contamination	Immediate	High	High
Radionuclide contamination	Insufficient information	Insufficient information	Not relevant
Changes in nutrient levels	Moderate	Not relevant	Immediate
Increase in salinity	Moderate	High	Immediate
Decrease in salinity
Changes in oxygenation	Not relevant	High	High

Biological factors

	Laminaria hyperborea Key structural	Echinus esculentus Key functional	Delesseria sanguinea Important characterizing
Introduction of microbial pathogens/parasites	Immediate	High	Insufficient information
Introduction of non-native species	Not relevant	Not relevant	Not relevant
Extraction of this species	Moderate	High	Not relevant
Extraction of other species	Moderate	High	Not relevant

This review can be cited as follows:

Tyler-Walters, H. 2005. Laminaria hyperborea with dense foliose red seaweeds on exposed infralittoral rock.. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 21/05/2013]. Available from: <http://www.marlin.ac.uk/habitatsensitivity.php?habitatid=171&code=1997>

for
Laminaria hyperborea with dense foliose red seaweeds on exposed infralittoral rock.

for
IR.EIR.KFaR.LhypR