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Scotland's Marine Assessment 2020
Headlines and next steps
Introduction
Managing the human activities that have an impact on Scotland’s seas
Climate change
Physical characteristics and ocean acidification
Clean and safe
Healthy and biologically diverse
Productive
Natural capital, ecosystem services and the Blue Economy
Pressures from activities
Regional assessments
Key outcomes from the peer review
Acknowledgements
Search
Sewage disposal
The disposal of sewage into the marine environment.
Associated productive assessment:
Waste water treatment and industrial outfalls
Associated pressures:
Barrier to species movement
De-oxygenation
Hydrocarbon & PAH contamination. (Includes those priority substances listed in Annex II of Directive 2008/105/EC).
Introduction of microbial pathogens (disease), viruses or parasites
Introduction of other substances (solid, liquid or gas)
Litter
Nitrogen and phosphorus enrichment
Organic enrichment
Physical change (to another seabed type)
Radionuclide contamination
Reduction in availability or quality of prey
Salinity changes - local
Siltation rate changes (light)
Sub-surface abrasion/penetration
Surface abrasion
Synthetic compound contamination (inc. pesticides, antifoulants, pharmaceuticals). Includes those priority substances listed in Annex II of Directive 2008/105/EC.
Temperature change - local
Transition elements & organo-metal e.g. Chromium, Copper, TBT) contamination. Includes those priority substances listed in Annex II of Directive 2008/105/EC.
