Archaeological Services in relation to Marine Protection 2025-2027

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Value

£199,850

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Classifications

  • Marine survey services
  • Research services
  • Marine research services
  • Marine services
  • Archaeological services

Tags

  • award
  • contract

Published

9 months ago

Description

The UK is a signatory to the European Convention on the Protection of the Archaeological Heritage (revised) 1992. The aim of the Convention is to protect the archaeological heritage as a source of the European collective memory and as an instrument for historical and scientific study, whether on land or underwater.In order to meet this commitment and to provide for the conservation and enhancement of significant marine heritage assets, Historic England is seeking to procure, within a single contract, assessment functions to support marine protection and management for the two-year period April 2025 to March 2027 (inclusive). Effective marine protection advice is reliant on the provision of field observations to underpin the core functions of protection and management of, and access to, the marine historic environment in order to realise wider social, cultural, economic and environmental benefits. Both the UK Marine Policy Statement (2011) and the National Planning Policy Framework

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The Canyons MCZ DY200 eQA drop camera analysis

2. Project Summary In September 2025, NOC and JNCC conducted a survey aboard the RSS Discovery (DY200) gathering evidence to monitor The Canyons MCZ and inform assessment of the condition of the designated features of the site. The Canyons MCZ is in the far south-west corner of the UK continental shelf and is unique within the context of England's largely shallow seas due to its depth, sea-bed topography and the coral features it contains. The designated features of The Canyons MCZ are listed in Table 1. More information on The Canyons MCZ can be found in the JNCC site information centre (https://jncc.gov.uk/our-work/the-canyons-mpa/). Table 1 Designated features of The Canyons MCZ Protected Feature Feature Type Deep-sea bed Broadscale marine habitat Cold-water coral reefs Feature of Conservation Importance Coral gardens Feature of Conservation Importance Sea-pen and burrowing megafauna communities Feature of Conservation Importance Figure 1 Location of The Canyons MCZ in the context of Marine Protected Areas proximal to the site with existing multibeam data from previous surveys to The Canyons MCZ from the MESH 2007, JC125 (2015) and JC237 (2022) surveys, and EMODnet bathymetry. 3. Project Aims JNCC wishes to commission a contract to undertake the external quality assurance (eQA) analysis of seabed imagery (still images and video) collected on the DY200 survey via drop frame camera. More detailed metadata will be provided as well as information from logs and the survey report. There are also representative images from the DY200 survey shown in Appendix E. Table 2 Number of stills and hours of video data to be analysed from DY200. Data type Quantity Drop camera video 5 hours video Drop camera stills 300 images AUV images 100 images The following will be supplied to the successful contractor: • Access to BIIGLE project with all stills, video and label trees. o Please email the contacts for technical information (see page 1) if you would like to be added as a guest to the BIIGLE project to review the imagery. • Epibiota Quality Assurance Framework Proforma spreadsheets 4. Original Project Objectives To meet the overall aims of this project, the objectives for the original analysis were: 1. Analysis of stills and video taken with the drop-camera system 2. Provide substrate and taxonomic image reference collections for each substrate type and taxon identified from imagery. 3. Produce a final analysis report including, at a minimum, sections detailing the methodology, results , and details of all QA work undertaken with any remedial action deemed necessary. The report should be no longer than 10,000 words including all tables and appendices and be provided electronically via email as a Microsoft Word document. 4. Create a subset of stills annotated in a way suitable to act as training data for artificial intelligence. The contractor must: • Undertake the analysis as set out below and adhering to the NMBAQC Epibiota interpretation guidelines (Turner et al, 2016). Please note these guidelines are currently being updated by JNCC - the contractor must check with JNCC if the updated guidelines are available when the contract starts. • Use BIIGLE to annotate video and stills as described below. Alternative image annotation software may be used subject to agreement with the project officer. • Ensure that stills and video references used in analysis outputs are identical to those used in the naming of the original media to enable future reconciliation between data and media. If identical naming is not possible, a suitable alternative should be sought with JNCC. Some information, where specified, may be recorded directly into the proformas provided. The majority will be recorded first into BIIGLE and then used to populate the proforma. No analysis additional to what is described in this document is required. Any deviation from this methodology should be approved in writing by the project officer. 4.1. Analysis of video data from drop-camera Video should be analysed in BIIGLE using the label trees shown in Table 2. A high-level review should be conducted as described in section 2.1 of Turner et al (2016). Annotations can be added to videos as either tier 1 or tier 2 annotations depending on the label tree used. More details on the video annotation tiers and how they should be applied are provided in Appendix A. Video will be analysed to extract the following information (all information should be recorded using the provided BIIGLE label trees, unless specified otherwise): 1. Video should be segmented into areas of continuous broadscale seabed habitat type (detailed in step 2) greater than or equal to 5 m along transect distance; JNCC will provide positional information for this purpose. The segment label tree should be used to delineate these segments and labels from other trees should be attached to each segment using the "add label" tool in BIIGLE. 2. The Marine Habitat Classification of Britain and Ireland (v 22.04) will be used, and a new segment should be started if the habitat classification changes. 3. Each segment will be assigned image quality scores using labels from the following two label trees. Further analysis of video segments will be dependent on the image quality score. For example, if a segment is given a score of zero, no further analysis should be carried out for that segment. a. NMBAQC image quality, a summary of these scores is shown in Table 4 and described in more detail in section 2.1 of Turner et al (2016). b. JNCC image quality, a summary of these labels is shown in Table 74. 4. Identify evidence of anthropogenic impacts on the seabed: a. Use the litter label tree to record the presence of litter using the categories listed in Annex 5.1 of the Joint Research Centres Guidance on Monitoring of Marine Litter in European Seas6. b. Use the Anthropogenic label tree to annotate trawl marks or anthropogenic impacts other than litter. This will not be a complete label tree and new labels may need to be added to the label tree. 5. Use the biotope label tree to assign biotopes, up to level 6 of the Marine habitat classification of Britain and Ireland hierarchy and in accordance with Parry (2019)7. A reference collection of representative images must be provided for each discreet habitat and biotope identified.   Table 3 Label trees for video annotation and the annotation type which should be used for each label tree Video analysis label tree Video annotation type Segment Tier 1 Marine habitat classification of Britain and Ireland (v 22.04) Tier 1 JNCC image quality Tier 1 NMBAQC image quality Tier 1 Biotope Tier 1 Coral Gardens (Henry and Roberts, 2014) (See Appendix D) Tier 1 Seapen and Burrowing Megafauna (please note the definition of this FOCI currently being updated by JNCC - see Appendix B) Tier 1 Deep Sea Sponge Aggregations (Henry and Roberts, 2014) Tier 1 Coral Reef (if present) Tier 1 Burrows Tier 1 Litter Tier 2 Anthropogenic Tier 2 Table 4 Summary of NMBAQC image quality categories (Turner et al., 2016) Table 5 JNCC image quality categories • Imagery quality level • Description • Fauna • Most fauna can be identified (e.g. including smaller taxa such as brittlestars etc.) • Conspicuous fauna • Large and conspicuous fauna can be identified (e.g. sponges, soft corals etc.) • Substrate • The substrate type can be identified, but the fauna cannot (e.g. the water column is obscured / the camera is too high off the seabed) • Zero • No visibility of the seabed, substrate cannot be identified. 4.2. Analysis of stills data from drop-camera Stills should be analysed in BIIGLE using the label trees shown in Table 5. Annotations should be added to stills as either tier 1 or tier 2 labels depending on the label tree used. Some tier 1 labels may be added directly into the proforma (see below). More details on the still annotation types and how they should be applied are provided in Appendix A. Table 6 Label trees for stills annotation and the annotation type which should be used for each label tree Stills analysis label tree Stills annotation type NMBAQC image quality Tier 1 JNCC image quality Tier 1 Substrate Tier 1 Biota Tier 2 Laser points Tier 2 Litter Tier 2 Anthropogenic Tier 2 Stills will be analysed to extract the following information: 1. Each still will be assigned image quality scores using labels from the following two label trees. Further analysis of the still image will be dependent on the image quality score. For example, if a still image is given a score of 'very poor' and 'substrate', no taxonomic identification should be carried out for that still image. a. NMBAQC image quality, a summary of these scores is shown in Table 3 and described in more detail in section 2.1 of Turner et al 2016. b. JNCC image quality, a summary of these labels is shown in Table 74. 2. Identification and enumeration of epifauna, JNCC will provide a reference collection built from images previously taken in these sites. Annotations made using the Biota label tree. For each still image being analysed, identify, and quantify all8: a. Solitary and/or erect epifaunal species present. b. Bioturbation traces using counts (achieved by using the point annotation tool within BIIGLE). c. Colonial and/or encrusting epifaunal species present as far as possible (using percentage cover (achieved by using the polygon, magic wand, or brush tools within BIIGLE). 3. Record substrate type and Faunal Turf cover to nearest 10% directly to proforma.

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Research Partner for Community Led: Supporting young people directly affected by interpersonal violence

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Katy Reed

Katy Reed

Published 3 days ago

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Archaeological Services in relation to Marine Protection 2025-2027 (NP225)

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