[1] At the time of writing, the SMP is subject to an iterative review process, therefore, the information provided within this chapter is based upon the SMP published by the Scottish Government in 2020.

[2] As per JNCC Habitat Classification list

[3] C = Construction, O = Operation and maintenance, D = Decommissioning

[4] C = Construction, O = Operation and maintenance, D = Decommissioning

[5] Council Directive 92/43/EEC on the Conservation of natural habitats and of wild fauna and flora and Directive 2009/147/EC of the European Parliament and of the Council of 30 November 2009 on the conservation of wild birds.

[6] C = Construction, O = Operation and maintenance, D = Decommissioning

[7] C = Construction, O = Operation and maintenance, D = Decommissioning

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Figures ▼

Figure 8.1
Benthic Subtidal Ecology Study Areas

Figure 8.2
Subtidal Sediments within the Regional Benthic Subtidal Ecology Study Area (Source: EMODnet (2023))

Figure 8.3
NMDS Plot Based on Untransformed Non-Colonial Faunal Composition from Macrofaunal Grab Sampling Sites within the Array Benthic Subtidal Ecology Study Area

Figure 8.4
NMDS Plot Based on Square Root Transformed Non-Colonial Faunal Composition from Macrofaunal Grab Sampling Sites within the Array Benthic Subtidal Ecology Study Area

Figure 8.5
Designated Sites Relevant to Benthic Subtidal Ecology

Figure 8.6
Other Projects/Plans Screened into the CEA for Benthic Subtidal Ecology

Tables ▼

Table 8.1
Summary of Habitat Regulations (Conservation of Offshore Marine Habitats and Species Regulations 2017and Conservation of Habitats and Species Regulations 2017) of Relevance to Benthic Subtidal Ecology

Table 8.2
Summary of the SMP for Offshore Wind Energy Relevant to Benthic Subtidal Ecology (Scottish Government, 2020a)

Table 8.3
Summary of the Scottish NMP Relevant to Benthic Subtidal Ecology (Scottish Government, 2015)

Table 8.4
Summary of the UK MPS Relevant to Benthic Subtidal Ecology (UK Government, 2011)

Table 8.5
Summary of Issues Raised During Consultation and Scoping Opinion Representations Relevant to Benthic Subtidal Ecology

Table 8.6
Summary of Key Desktop Reports

Table 8.7
Summary of Site-Specific Survey Data Collected

Table 8.8
Overview of Benthic Subtidal Communities from other Projects within the Regional Benthic Subtidal Ecology Study Area

Table 8.9
Benthic Habitats and Species of Conservation Importance Identified during the Site-Specific Environmental Survey

Table 8.10
Designated Sites and Relevant Qualifying Interest Features for the Benthic Subtidal Ecology Array EIA Report Chapter

Table 8.11
IEFs within the Array Benthic Subtidal Ecology Study Area

Table 8.12
Maximum Design Scenario Considered for Each Potential Impact as Part of the Assessment of LSE1 on Benthic Subtidal Ecology

Table 8.13
Impacts Scoped Out of the Assessment for Benthic Subtidal Ecology (Tick Confirms the Impact is Scoped Out

Table 8.14
Definition of Terms Relating to the Magnitude of an Impact

Table 8.15
Definition of Terms Relating to the Sensitivity of the Receptor

Table 8.16
Matrix Used for the Assessment of the Significance of the Effect

Table 8.17
Designed In Measures Adopted as Part of the Array

Table 8.18
Sensitivity of the IEFs to Temporary Habitat Loss and Disturbance

Table 8.19
Sensitivity of the IEFs to Long Term Habitat Loss and Disturbance

Table 8.20
Sensitivity of the IEFs to Increased SSCs and Associated Deposition

Table 8.21
Sensitivity of the IEFs to Increased Risk of INNS

Table 8.22
List of Other Plans and Projects Considered within the CEA for Benthic Subtidal Ecology

Table 8.23
Maximum Design Scenario Considered for Each Impact as part of the Assessment of Likely Significant Cumulative Effects on Benthic Subtidal Ecology

Table 8.24
Cumulative Footprint of Temporary Habitat Loss and Disturbance (km2) for the Tier 1 Projects’ Site Preparation and Construction Phases

Table 8.25
Cumulative Footprint of Long Term Habitat Loss and Disturbance (km2) for the Tier 1 Projects

Table 8.26
Cumulative Footprint of Hard Substrates Installed (km2) for the Tier 1 Projects

Table 8.27
Summary of Likely Significant Inter-Related Effects for Benthic Subtidal Ecology from Individual Effects Occurring Across the Construction, Operation and Maintenance and Decommissioning Phases of the Array (Array Lifetime Effects) and from Multiple Effects Interacting Across all Phases (Receptor-led Effects)

Table 8.28
Summary of Likely Significant Environmental Effects, Secondary Mitigation and Monitoring

Table 8.29
Summary of Likely Significant Cumulative Environment Effects, Mitigation and Monitoring

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