Anglian Coastal Monitoring Programme Phase 9 (2016 – 2021) Habitat Mapping Project Report: RP049/A/2018 Project: PM_1761 Report version 1.0 March 2018 Version Date Contributor Version_1.0 31/03/2018 Geomatics Crispin Hambidge David White Emma Taylor Isobel Moberly Sally Crudge Lucy North James Ford Authored by: Geomatics Environment Agency Horizon House, Deanery Road, Bristol BS1 5AH Email: [email protected] www.gov.uk/environment-agency © Environment Agency 2018 All rights reserved. This document may be reproduced with prior permission of the Environment Agency. PM_1761: Anglian Coastal Monitoring Programme Habitat Mapping 2 of 113 Contents 1. Introduction (lead author Environment Agency) .................................................................... 5 Key Aims and Objectives ............................................................................................................. 5 Outputs ....................................................................................................................................... 5 Extent and Location ..................................................................................................................... 6 Overview map............................................................................................................................................................. 6 List of habitat classes mapped .................................................................................................... 7 Shoreline Management Plan Areas ........................................................................................... 10 Humber Estuary Coastal Authorities Group (HECAG) .............................................................................................. 10 The Wash ................................................................................................................................................................. 11 North Norfolk ............................................................................................................................................................ 12 Norfolk ...................................................................................................................................................................... 13 Suffolk ...................................................................................................................................................................... 14 Essex ........................................................................................................................................................................ 15 2. Methodology............................................................................................................................ 18 Aerial photography interpretation (API) ...................................................................................... 18 Comparison with 2011 methodology .......................................................................................... 18 Auxiliary datasets ...................................................................................................................... 18 2016 ACMP Aerial Photography ............................................................................................................................... 19 MasterMap ............................................................................................................................................................... 20 Vertical Offshore Reference Frames (VORF) data ................................................................................................... 21 Saltmarsh layer......................................................................................................................................................... 23 OS 10k Rasters ........................................................................................................................................................ 24 LIDAR ....................................................................................................................................................................... 24 Anglian Coastal Monitoring Programme Profile data ................................................................................................ 24 Priority Habitat Inventory .......................................................................................................................................... 26 Seagrass layer.......................................................................................................................................................... 26 Blue mussel data ...................................................................................................................................................... 27 Google Earth ............................................................................................................................................................ 28 Sentinel-2 satellite data ............................................................................................................................................ 28 Habitat Mapping Tool ................................................................................................................ 29 Quality Assessment ................................................................................................................... 29 Manual checks.......................................................................................................................................................... 29 Automated checks .................................................................................................................................................... 30 3. Results ..................................................................................................................................... 31 Example map with legend ......................................................................................................... 32 Summary table by SMP and main habitat code ......................................................................... 33 Comparison of priority habitats with 2011 results ....................................................................... 35 4. Limitations and recommendations ........................................................................................ 41 Quality of the photography ........................................................................................................ 41 Seasonal and developmental considerations ............................................................................. 41 PM_1761: Anglian Coastal Monitoring Programme Habitat Mapping 3 of 113 Managed realignment and habitat creation sites ........................................................................ 43 Comparison of 2011 and 2016 datasets .................................................................................... 44 Interpreter bias .......................................................................................................................... 44 Under-canopy and sub-tidal communities .................................................................................. 44 Licensing and copyright ............................................................................................................. 45 5. Appendices ............................................................................................................................. 46 Description of attributes in output spatial data ........................................................................... 46 Matrix code ................................................................................................................................ 47 Complex code ........................................................................................................................... 47 Priority habitats – descriptions and photos ................................................................................ 47 Anglian Priority Habitat Classes ............................................................................................................................... 47 Coastal ..................................................................................................................................................................... 48 Woodland ................................................................................................................................................................. 53 Grassland ................................................................................................................................................................. 54 Wetland .................................................................................................................................................................... 59 Water ........................................................................................................................................................................ 62 Aerial images of all habitats and brief IHS descriptions ............................................................. 63 Broadleaved and Mixed Woodland ........................................................................................................................... 64 Coniferous Woodland ..............................................................................................................................................