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Scotland's Marine Assessment 2020
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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
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Waste disposal - Dredging (capital, maintenance) & quarrying (geological material)
The disposal of dredging and quarrying spoil at sea.
Associated productive assessment:
Waste disposal - dredge material
Associated pressures:
De-oxygenation
Death or injury by collision above water
Death or injury by collision below water
Genetic modification and translocation of indigenous species
Hydrocarbon & PAH contamination. (Includes those priority substances listed in Annex II of Directive 2008/105/EC).
Introduction of light or shading
Introduction of microbial pathogens (disease), viruses or parasites
Introduction of other substances (solid, liquid or gas)
Introduction or spread of non-indigenous species and translocations (competition)
Litter
Nitrogen and phosphorus enrichment
Organic enrichment
Physical change (to another seabed type)
Reduction in availability or quality of prey
Siltation rate changes (heavy)
Siltation rate changes (light)
Synthetic compound contamination (inc. pesticides, antifoulants, pharmaceuticals). Includes those priority substances listed in Annex II of Directive 2008/105/EC.
Transition elements & organo-metal e.g. Chromium, Copper, TBT) contamination. Includes those priority substances listed in Annex II of Directive 2008/105/EC.
Underwater noise
Visual disturbance (behaviour)
Water clarity changes
