East of Haig Fras Rmcz Summary Site Report
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East of Haig Fras rMCZ Post-survey Site Report Contract Reference: MB0120 Report Number: 6 Version 12 November 2014 Project Title: Coordination of the Defra MCZ data collection programme 2011/12 Report No 6. Title: East of Haig Fras rMCZ Post-survey Site Report Project Code: MB0120 Defra Contract Manager: Carole Kelly Funded by: Department for Environment, Food and Rural Affairs (Defra) Marine Science and Evidence Unit Marine Directorate Nobel House 17 Smith Square London SW1P 3JR The Joint Nature Conservation Committee (JNCC) Monkstone House City Road Peterborough PE1 1JY Authorship Jacqueline Eggleton Centre for Environment, Fisheries and Aquaculture Science (Cefas) [email protected] Anna Downie Centre for Environment, Fisheries and Aquaculture Science (Cefas) [email protected] Acknowledgements We thank Drs Sue Ware and Christopher Barrio Froján (Cefas) for editing the text of earlier drafts of this report. Disclaimer: The content of this report does not necessarily reflect the views of Defra, nor is Defra liable for the accuracy of information provided, or responsible for any use of the reports content. Cefas Document Control Title: East of Haig Fras rMCZ: Post-survey Site Report Submitted to: rMCZ Project Steering Group Date submitted: November 2014 Project Manager: David Limpenny Report compiled by: Jacqueline Eggleton, Anna Downie Quality control by: Sue Ware Approved by & date: Keith Weston (06/11/2014) Version: V12 Version Control History Author Date Comment Version Jacqueline Eggleton 07/12/2012 First Draft V1 Jacqueline Eggleton 21/12/2012 Revised draft following internal QA V2 Jacqueline Eggleton 11/01/2013 Final edits ready for sign-off following Project V3 Steering Group review Jacqueline Eggleton 11/02/2013 Revised BSH map and description V4 Jacqueline Eggleton 28/02/2013 Edited following additional PSG comment and V5 external peer review Jacqueline Eggleton 14/03/2013 Edited following additional comments provided by V6 the JNCC Jacqueline Eggleton 25/03/2013 Edited following additional comments provided by V7 the JNCC Jacqueline Eggleton 26/03/2013 Cefas final QA V8 Jacqueline Eggleton 25/11/2013 Revised draft incorporating analysis of additional V9 survey data collected during CEND05/13 Jacqueline Eggleton 10/12/2013 Revised draft following internal QA V10 Christopher Barrio 24/03/2014 Revised following updated mud HOCI definitions V11 Jacqueline Eggleton 06/11/2014 2nd round of Defra and Project Steering Group V12 Comments Table of Contents Table of Contents ........................................................................................................ i List of Tables .............................................................................................................. iii List of Figures ............................................................................................................. iv 1 Executive Summary: Report Card ................................................................. 1 1.1 Features proposed in the SAD for inclusion within the rMCZ designation ..... 1 1.2 Features present but not proposed in the SAD for inclusion within the rMCZ designation .................................................................................................... 1 1.3 Evidence of human activities within the rMCZ ............................................... 2 2 Introduction ................................................................................................... 3 2.1 Location of the rMCZ ..................................................................................... 4 2.2 Rationale for the site position and designation .............................................. 4 2.3 Rationale for prioritising this rMCZ for additional evidence collection ........... 5 2.4 Survey aims and objectives .......................................................................... 6 3 Methods ........................................................................................................ 7 3.1 Acoustic data acquisition ............................................................................... 7 3.2 Ground truth sample acquisition .................................................................... 7 3.3 Production of the updated habitat map ......................................................... 9 3.4 Quality of updated map ............................................................................... 13 4 Results ........................................................................................................ 14 4.1 Site Assessment Document (SAD) habitat map .......................................... 14 4.2 Updated habitat map based on new survey data ........................................ 14 4.3 Quality of the updated habitat map ............................................................. 18 4.4 Broadscale habitats identified ..................................................................... 18 4.5 Habitat FOCI identified ................................................................................ 19 4.6 Species FOCI identified .............................................................................. 20 4.7 Quality Assurance (QA) and Quality Control (QC) ...................................... 20 4.8 Data limitations and adequacy of the updated habitat map ......................... 21 4.9 Observations of human activities within the rMCZ ...................................... 21 5 Conclusions ................................................................................................ 22 5.1 Presence and extent of broadscale habitats ............................................... 22 5.2 Presence and extent of FOCI habitats ........................................................ 22 5.3 Presence and distribution of species FOCI ................................................. 23 5.4 Evidence of human activities within the rMCZ ............................................. 23 References ............................................................................................................... 24 Data sources ............................................................................................................ 26 East of Haig Fras rMCZ: Post-survey Site Report i Annexes ................................................................................................................... 27 Annex 1. Broadscale habitat features listed in the ENG ...................................... 27 Annex 2. Habitat FOCI listed in the ENG* ........................................................... 28 Annex 3. Low or limited mobility species FOCI listed in the ENG* ...................... 29 Annex 4. Highly mobile species FOCI listed in the ENG* .................................... 30 Annex 5. Video and stills processing protocol ..................................................... 31 Appendices .............................................................................................................. 33 Appendix 1. Survey Metadata (CEND 03/12) ...................................................... 33 Appendix 2. Outputs from Acoustic Surveys ........................................................ 36 Appendix 3. Evidence of human activities within the rMCZ ................................. 38 Appendix 4. Species List ..................................................................................... 39 Appendix 5. Analyses of sediment samples: classification and composition ....... 49 Appendix 6. BSH/EUNIS Level 3 descriptions derived from video and stills ........ 51 Appendix 7. Example images from survey for broadscale habitats ..................... 55 Appendix 8. Example image from survey for habitat FOCI .................................. 57 East of Haig Fras rMCZ: Post-survey Site Report ii List of Tables Table 1. Broadscale habitats for which this rMCZ was proposed for designation. .... 4 Table 2. Habitat FOCI present but not proposed for designation of East of Haig Fras rMCZ. ................................................................................................................. 5 Table 3. Species FOCI for which this rMCZ was proposed for designation. .............. 5 Table 4. Description of derivatives calculated for bathymetry and backscatter (where specified). ........................................................................................................ 11 Table 5. Results of independent validation of the broadscale habitat map using newly acquired ground truth video and still imagery.* ...................................... 13 Table 6. Broadscale habitats identified in East of Haig Fras rMCZ. ........................ 19 Table 7. Habitat FOCI identified in East of Haig Fras rMCZ. ................................... 20 Table 8. Species FOCI identified in East of Haig Fras rMCZ. ................................. 20 East of Haig Fras rMCZ: Post-survey Site Report iii List of Figures Figure 1. Location of the East of Haig Fras rMCZ in the context of other rMCZs in the area. Bathymetry is from the Defra Digital Elevation Model (Astrium, 2011). ........................................................................................................................... 4 Figure 2. Location of ground truth sampling sites at the East of Haig Fras rMCZ. Bathymetry displayed is from the Defra Digital Elevation Model (Astrium, 2011). ........................................................................................................................... 8 Figure 3. Flowchart outlining the process of producing