Medium] does not cause alteration to the biotopes, and stability, across the habitat. Supporting processes: Maintain the natural physico-chemical properties of the water. Pressures do not affect physic-chemical physico-chemical properties. properties Supporting processes: Maintain all hydrodynamic and physical conditions such that Important. Abrasion/ penetration/ sediment movement natural water flow and sediment movement are not significantly disturbance of the surface of the seabed and hydrodynamic altered or prevented from responding to changes in may affect sedimentation rate. regime environmental conditions. Supporting processes: Restrict aqueous contaminants to levels equating to (High / Pressures do not affect quality. quality - Good) Status (according to Annex VIII and X of the Water contaminants Framework Directive), avoiding deterioration from existing levels Supporting processes: Maintain the dissolved oxygen (DO) concentration at levels Pressures do not affect water quality. water quality - dissolved equating to High Ecological Status (specifically 5.7 mg per ≥ oxygen litre (at 35 salinity) for 95 % of the year), avoiding deterioration from existing levels. Supporting processes: Maintain water quality, specifically mean winter dissolved Pressures do not affect water quality. water quality - nutrients inorganic nitrogen (DIN) at a concentration equating to High Ecological Status (mean winter DIN is < 12 µM for coastal waters), avoiding deterioration from existing levels. Supporting processes: Maintain natural levels of turbidity across the habitat. Not relevant. Pressures do not affect water water quality - turbidity quality.
Medium] does not cause alteration to the biotopes, and stability, across the habitat. Supporting processes: physico-chemical properties Maintain the natural physico-chemical properties of the water. Pressures do not affect physic-chemical properties. Supporting processes: sediment movement and hydrodynamic regime Maintain all hydrodynamic and physical conditions such that natural water flow and sediment movement are not significantly altered or prevented from responding to changes in environmental conditions. Important. Abrasion/ penetration/ disturbance of the surface of the seabed may affect sedimentation rate. Supporting processes: quality - contaminants Restrict aqueous contaminants to levels equating to (High / Good) Status (according to Annex VIII and X of the Water Framework Directive), avoiding deterioration from existing levels Pressures do not affect quality. Supporting processes: water quality - dissolved oxygen Maintain the dissolved oxygen (DO) concentration at levels equating to High Ecological Status (specifically ≥ 5.7 mg per litre (at 35 salinity) for 95 % of the year), avoiding deterioration from existing levels. Pressures do not affect water quality. Supporting processes: water quality - nutrients Maintain water quality, specifically mean winter dissolved inorganic nitrogen (DIN) at a concentration equating to High Ecological Status (mean winter DIN is < 12 µM for coastal waters), avoiding deterioration from existing levels. Pressures do not affect water quality. Supporting processes: water quality - turbidity Maintain natural levels of turbidity across the habitat. Not relevant. Pressures do not affect water quality.
20161014_DRAFT_MLS_MMO_MPA_assessment_v0.6_NG_LS.docx