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Dudgeon and Sheringham Shoal Offshore Wind Farm ExtensionsPreliminary Environmental Information Report
Volume 2Chapter 11 - Fish Ecology
April 2021
Doc. No. PB8164-RHD-ZZ-XX-RP-Z-0010
Rev. no.1
Page 2 of 2
Classification: Open Status: Final www.equinor.com
Title:
Dudgeon and Sheringham Shoal Offshore Wind Farm Extensions Preliminary Environmental Information Report Chapter 11 Fish Ecology
Document no.: PB8164-RHD-ZZ-XX-RP-Z-0010
Date: Classification
29 April 2021 Final
Prepared by:
Royal HaskoningDHV
Approved by: Date:
Magnus Eriksen, Equinor
List of Figures
Figure 11.1 Study Area
Figure11.2 Herring Habitat Suitability
Figure 11.3 Herring Potential Spawning Areas
Figure 11.4 Sandeel Habitat Suitability
Figure 11.5 Sandeel Potential Spawning Areas
Figure 11.6 Worst Case Underwater Noise Impact Ranges in Relation to Potential Herring Spawning
.
29 April 2021
Legend:
Dudgeon
34F0
35F0
34F1
35F1
300000 325000 350000 375000 400000 42500058
2500
058
5000
058
7500
059
0000
059
2500
0 ±
Report:
Co-ordinate System: WGS 1984 UTM Zone 31N
PB8164-RHD-ZZ-OF-DR-Z-0168Document No:
Fish and Shellfish EcologyPreliminary Environmental Information Report (PEIR)
REV SCALE SIZE CHK APRDATE
A 07/04/2021 AZ RS RS
DRW
A31:450,000
Dudgeon Offshore Wind Farm Extension Site
Sheringham Shoal Offshore Wind FarmExtension Site
Offshore Cable Corridor
Existing Offshore Wind Farm Export Cable
Existing Offshore Wind Farm
ICES Rectangle
Local Study Area
Regional Study Area
Data Sources: © MMO, 2020. © Royal HaskoningDHV 2020.Base Map: © OpenStreetMap (and) contributors, CC-BY-SA.Service Layer Credits: © OpenStreetMap (and) contributors,CC-BY-SA
Sheringham Shoal and Dudgeon Extension Projects
Figure 11.1Study Area
Legend:
0 10 20 km
0 5 10 Miles
SheringhamShoal
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Report:
Co-ordinate System: WGS 1984 UTM Zone 31N
PB8164-RHD-ZZ-OF-DR-Z-0166Document No:
Legend:
Fish and Shellfish EcologyPreliminary Environmental Information Report (PEIR)
REV SCALE SIZE CHK APRDATE
A 09/04/2021 AZ RS RS
DRW
A31:250,000
Dudgeon Offshore Wind Farm Extension Site
Sheringham Shoal Offshore Wind Farm Extension Site
Offshore Cable Corridors
Existing Offshore Wind Farm Export Cable
Existing Offshore Wind Farm
Grab SamplesHerring Suitability!( Unsuitable
!( Marginal
!( Preferred
Habitat AreaHerring Suitabliity
Unsuitable
Marginal
Preferred
Data Sources: Envision, 2021; British Geological Surveymaterials © UKRI 2021 All rights reservedBase Map: © British Crown and OceanWise, 2021. All rightsreserved. License No. EMS-EK001-627782. Not to be used forNavigation; Crown copyright and database rights 2020,Ordnance Survey 0100031673; © OpenStreetMap (and)contributors, CC-BY-SA
Sheringham Shoal and Dudgeon Extension Projects
Figure 11.2Herring Habitat Suitability
0 7.5 15 km
0 4 8 Miles
Geophysical Survey Interpretation BGS Sediment Class Suitability
±
Report:
Co-ordinate System: WGS 1984 UTM Zone 31N
PB8164-RHD-ZZ-OF-DR-Z-0169Document No:
Legend:
Fish and Shellfish EcologyPreliminary Environmental Information Report (PEIR)
REV SCALE SIZE CHK APRDATE
A 09/04/2021 AZ RS RS
DRW
A31:750,000
Dudgeon Offshore Wind Farm Extension Site
Sheringham Shoal Offshore Wind Farm Extension Site
Offshore Cable Corridors
Existing Offshore Wind Farm Export Cable
Existing Offshore Wind Farm
Herring Spawning Area (Coull et al 1998)
BGS Sediment ClassHerring Suitability
Marginal
Preferred
International Herring Larvae Survey (IHLS)(2009 - 2017)! Sample Location
Larvae Count (per sq/m)0 - 50
50 - 200
200 - 600
> 600
Data Sources: Envision, 2021; British Geological Survey materials © UKRI 2021All rights reservedBase Map: © British Crown and OceanWise, 2021. All rights reserved. LicenseNo. EMS-EK001-627782. Not to be used for Navigation; Crown copyright anddatabase rights 2020, Ordnance Survey 0100031673; © OpenStreetMap (and)contributors, CC-BY-SA
Sheringham Shoal and Dudgeon Extension Projects
Figure 11.3Herring Potential Spawning Areas
0 20 40 km
0 10 20 Miles
Herring Habitat Suitability Assessment 1 (Low)
2
3
4
5
6
7
8
9
10
11 (High)
Indicative Herring Spawning Data Herring Spawning Potential Heat Map
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±
Report:
Co-ordinate System: WGS 1984 UTM Zone 31N
PB8164-RHD-ZZ-OF-DR-Z-0167Document No:
Legend:
Fish and Shellfish EcologyPreliminary Environmental Information Report (PEIR)
REV SCALE SIZE CHK APRDATE
A 09/04/2021 AZ RS RS
DRW
A31:250,000
Dudgeon Offshore Wind Farm Extension Site
Sheringham Shoal Offshore Wind Farm Extension Site
Offshore Cable Corridors
Existing Offshore Wind Farm Export Cable
Existing Offshore Wind Farm
Grab SamplesSandeel Suitability!( Unsuitable
!( Marginal
!( Preferred
Habitat AreaSandeel Suitabliity
Unsuitable
Marginal
Preferred
Data Sources: Envision, 2021; British Geological Surveymaterials © UKRI 2021 All rights reservedBase Map: © British Crown and OceanWise, 2021. All rightsreserved. License No. EMS-EK001-627782. Not to be used forNavigation; Crown copyright and database rights 2020,Ordnance Survey 0100031673; © OpenStreetMap (and)contributors, CC-BY-SA
Sheringham Shoal and Dudgeon Extension Projects
Figure 11.4Sandeel Habitat Suitability
0 7.5 15 km
0 4 8 Miles
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Geophysical Survey Interpretation BGS Sediment Class Suitability
±
Report:
Co-ordinate System: WGS 1984 UTM Zone 31N
PB8164-RHD-ZZ-OF-DR-Z-0170Document No:
Legend:
Fish and Shellfish EcologyPreliminary Environmental Information Report (PEIR)
REV SCALE SIZE CHK APRDATE
A 12/04/2021 AZ RS RS
DRW
A31:750,000
Dudgeon Offshore Wind Farm Extension Site
Sheringham Shoal Offshore Wind Farm Extension Site
Offshore Cable Corridors
Existing Offshore Wind Farm Export Cable
Existing Offshore Wind Farm
BGS Sediment ClassSandeel Habitat Suitability
Marginal
Preferred
Sandeel Spawning Area (Coul et al, 1998)
Sandeel Fishing Grounds (Jensen et al, 2011)
Sandeel Habitat Suitability Assessment1 (Low)
2
3
4
5
6
7
8
9 (High)
Data Sources: Envision, 2021; British Geological Survey materials © UKRI2021 All rights reservedBase Map: © British Crown and OceanWise, 2021. All rights reserved. LicenseNo. EMS-EK001-627782. Not to be used for Navigation; Crown copyright anddatabase rights 2020, Ordnance Survey 0100031673; © OpenStreetMap (and)contributors, CC-BY-SA
Sheringham Shoal and Dudgeon Extension Projects
Figure 11.5Sandeel Potential Spawning Areas
0 20 40 km
0 10 20 Miles
Indicative Sandeel Spawning Data Sandeel Spawning Potential - Heat Map
!(
!(
±
Report:
Co-ordinate System: WGS 1984 UTM Zone 31N
PB8164-RHD-ZZ-OF-DR-Z-0171Document No:
Legend:
Fish and Shellfish EcologyPreliminary Environmental Information Report (PEIR)
REV SCALE SIZE CHK APRDATE
A 13/04/2021 AZ RS RS
DRW
A31:475,000
Dudgeon Offshore Wind Farm Extension Site
Sheringham Shoal Offshore Wind Farm Extension Site
Offshore Cable Corridors
Existing Offshore Wind Farm
Existing Offshore Wind Farm Export Cable
Modelled Noise Point Source!( Dudgeon South East Modelling Location
!( Sheringham East Modelling Location
Monopile Noise Impact Contours (StationaryModel)
Dudgeon South East Modelling Location
Sheringham Extension East Modelling Location
Extrapolated Noise Contours (Worst Case)Dudgeon Extension
Sheringham Extension
Data Sources: Envision, 2021; British Geological Survey materials ©UKRI 2021 All rights reservedBase Map: © British Crown and OceanWise, 2021. All rights reserved.License No. EMS-EK001-627782. Not to be used for Navigation; Crowncopyright and database rights 2020, Ordnance Survey 0100031673; ©OpenStreetMap (and) contributors, CC-BY-SA
Sheringham Shoal and Dudgeon Extension Projects
Figure 11.6Worst Case Underwater Noise Impact
Ranges in Relation to Potential Herring Spawning
0 10 20 km
0 8 16 Miles
Herring Habitat Suitability Assessment Heat Map1 (Low)
2
3
4
5
6
7
8
9
10
11 (High)
!(
!(
Mortality and Potential Mortal Injury (207 dB) Monopile Noise Impact Contour
TTS (186 dB) Monopile Noise Impact Contour