Biodiversity & Conservation

Neomysis integer and Gammarus spp. in low salinity infralittoral mobile sand

SS.IGS.EstGS.NeoGam


<i>%Neomysis integer%</i> and <i>Gammarus</i> spp. in low salinity infralittoral mobile sand
Distribution map

SS.IGS.EstGS.NeoGam recorded (dark blue bullet) and expected (light blue bullet) distribution in Britain and Ireland (see below)


  • EC_Habitats

Habitat sensitivity

Physical Factors

Click factor name to view rationale Intolerance Recoverability Sensitivity Species Richness Evidence / Confidence
Substratum Loss High Very high Low Decline Low
Smothering Not relevant Not relevant Not relevant Not relevant Not relevant
Increase in suspended sediment Tolerant Not relevant Not sensitive No change Moderate
Decrease in suspended sediment Tolerant Not relevant Not sensitive No change Moderate
Desiccation Not relevant Not relevant Not relevant Not relevant Not relevant
Increase in emergence regime Not relevant Not relevant Not relevant Not relevant Not relevant
Decrease in emergence regime Not relevant Not relevant Not relevant Not relevant Not relevant
Increase in water flow rate High Very high Low Major decline Moderate
Decrease in water flow rate High High Moderate Rise Low
Increase in temperature Intermediate Very high Low Decline Moderate
Decrease in temperature Intermediate Very high Low Decline Very low
Increase in turbidity Tolerant Not relevant Not sensitive No change High
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 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 Tolerant Not relevant Not sensitive No change High
Displacement Not relevant Not relevant Not relevant Not relevant Not relevant

Chemical Factors

Click factor name to view rationale Intolerance Recoverability Sensitivity Species Richness Evidence / Confidence
Synthetic compound contamination Intermediate Very high Low Decline High
Heavy metal contamination Intermediate Very high Low Decline High
Hydrocarbon contamination High Very high Low Major decline Moderate
Radionuclide contamination Insufficient information Not relevant Insufficient information Not relevant Not relevant
Changes in nutrient levels Tolerant* Not relevant Not sensitive* Not relevant Very low
Increase in salinity High Immediate Very low Rise Low
Decrease in salinity High Immediate Very low Rise Low
Changes in oxygenation High Immediate Very low Major 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 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

Neomysis integer
Important characterizing
Gammarus salinus
Important characterizing
Substratum LossTolerantIntermediate
SmotheringTolerantIntermediate
Increase in suspended sedimentTolerant*Tolerant
Decrease in suspended sedimentLowTolerant
DesiccationNot relevantLow
Increase in emergence regimeNot relevantLow
Decrease in emergence regimeNot relevantLow
Increase in water flow rateIntermediateHigh
Decrease in water flow rateTolerant*Tolerant
Increase in temperatureIntermediateLow
Decrease in temperatureIntermediateIntermediate
Increase in turbidityTolerant*Low
Decrease in turbidityLowTolerant
Increase in wave exposureHighHigh
Decrease in wave exposureNot relevantTolerant
NoiseTolerantTolerant
Visual PresenceTolerantTolerant
Abrasion & physical disturbanceNot relevantTolerant
DisplacementNot relevantNot relevant

Chemical factors

Neomysis integer
Important characterizing
Gammarus salinus
Important characterizing
Synthetic compound contaminationIntermediateLow
Heavy metal contaminationIntermediateLow
Hydrocarbon contaminationIntermediateHigh
Radionuclide contaminationInsufficient informationInsufficient information
Changes in nutrient levelsTolerant*Tolerant*
Increase in salinityHighLow
Decrease in salinityTolerantLow
Changes in oxygenationNot relevantLow

Biological factors

Neomysis integer
Important characterizing
Gammarus salinus
Important characterizing
Introduction of microbial pathogens/parasitesInsufficient informationInsufficient information
Introduction of non-native speciesInsufficient informationInsufficient information
Extraction of this speciesNot relevantNot relevant
Extraction of other speciesInsufficient informationInsufficient information

Species used to indicate biotope recoverability

Physical factors

Neomysis integer
Important characterizing
Gammarus salinus
Important characterizing
Substratum LossNot relevantVery high
SmotheringNot relevantVery high
Increase in suspended sedimentNot relevantNot relevant
Decrease in suspended sedimentImmediateNot relevant
DesiccationNot relevantImmediate
Increase in emergence regimeNot relevantImmediate
Decrease in emergence regimeNot relevantVery high
Increase in water flow rateVery highVery high
Decrease in water flow rateNot relevantNot relevant
Increase in temperatureVery highImmediate
Decrease in temperatureVery highVery high
Increase in turbidityNot relevantVery high
Decrease in turbidityVery highNot relevant
Increase in wave exposureVery highHigh
Decrease in wave exposureNot relevantNot relevant
NoiseNot relevantNot relevant
Visual PresenceNot relevantNot relevant
Abrasion & physical disturbanceNot relevantNot relevant
DisplacementNot relevantNot relevant

Chemical factors

Neomysis integer
Important characterizing
Gammarus salinus
Important characterizing
Synthetic compound contaminationVery highVery high
Heavy metal contaminationVery highVery high
Hydrocarbon contaminationVery highHigh
Radionuclide contaminationNot relevantNot relevant
Changes in nutrient levelsNot relevantNot relevant
Increase in salinityVery highImmediate
Decrease in salinityNot relevantImmediate
Changes in oxygenationNot relevantImmediate

Biological factors

Neomysis integer
Important characterizing
Gammarus salinus
Important characterizing
Introduction of microbial pathogens/parasitesNot relevantNot relevant
Introduction of non-native speciesNot relevantNot relevant
Extraction of this speciesNot relevantNot relevant
Extraction of other speciesNot relevantNot relevant

This review can be cited as follows:

Budd, G.C. 2002. Neomysis integer and Gammarus spp. in low salinity infralittoral mobile sand. Marine Life Information Network: Biology and Sensitivity Key Information Sub-programme [on-line]. Plymouth: Marine Biological Association of the United Kingdom. [cited 28/07/2014]. Available from: <http://www.marlin.ac.uk/habitatsensitivity.php?habitatid=51&code=1997>