Environmental Impact Assessment and Environmental Baseline Surveys
Sediment Contamination Analysis Survey in the Thames Estuary
Arcadis – MV Shake Dog
In 2016 Seastar Survey Ltd. was contracted to undertake five vibracores to 3.3m depth in the Thames Estuary to obtain samples for contamination analysis to inform on the feasibility of dredging operations to accommodate the berthing of a large aggregate vessel on a newly proposed pier. A modular 5m vibracore was used to obtain samples and these were subsampled at set depth intervals to provide stratified assessment of potential contamination.
Freshwater Lens Underwater Photography
Natural England – SV Mariner
In 2014-2015 Seastar Survey Ltd. was contracted to obtain imagery of the seabed under heavily restricted visibility to enable biotope classification of potential Annex I rocky reef habitats in Morecambe Bay and Allonby Bay. To do this we used our bespoke freshwater lens camera system which can obtain high resolution imagery of the seabed at visibilities of <20cm. A drop down camera survey methodology was used to delineate potential Annex I habitats.
Luce Bay SAC PMF Monitoring Survey
Scottish Natural Heritage – SV Otarie<
In 2012-2013 Seastar Survey Ltd. were commissioned by SNH to undertake a survey of the known Priority Marine Features (PMFs) and species within Luce Bay and obtain a broader knowledge of the habitats present. The work was conducted using a combination of drop-down camera (Kongsberg 14-208) and sediment sampling (van Veen grab) systems.
Celtic Array Wind Farm – Cable Route Corridor
EGS (International) Ltd, RES, DONG and Centrica – MV Clupea / SV Otarie
In 2012-2013 Seastar Survey Ltd. undertook an Environmental Impact Assessment and broad-scale baseline survey for a proposed cable route area in the southern Irish Sea using a sediment grab sampler and a drop-down camera to assess the seabed characteristics. Tasks included sidescan sonar interpretation, seabed photography analysis, infaunal identification, analysis and reporting writing.
South Wight Maritime SAC – Inshore ground-truthing and Habitat Survey
Natural England – SV Mariner
In 2012-2013 Seastar Survey Ltd. undertook a ground-truthing survey of existing multibeam data using drop-down camera and sediment sampling to map the habitats of the inner 1 km of the South Wight SAC. The survey covered the entire south coast of the Isle of Wight, completing a survey commenced in 2010. Input incl. analysis of still photographs/video, macrofaunal identification and report writing.
Dorset Integrated Seabed (DORIS) Survey
Dorset Wildlife Trust – SV Mariner
In 2009 Seastar Survey Ltd. was contracted by Dorset Wildlife Trust to conduct a ground-truthing / habitat mapping survey to obtain the information needed to plan a regional network of Marine Protected Areas and a basis for developing a pilot marine spatial plan for Dorset. Throughout the summer of 2009 a broad-scale survey off the Dorset coastline was completed using the Kongsberg 14-208 underwater stills camera and Kongsberg 14-366 high resolution video.
Broadscale Mapping of North Rona Special Area of Conservation (SAC)
Scottish Natural Heritage – SV Otarie
During June - August 2009 Seastar Survey Ltd. planned and undertook a broad-scale environmental survey of the SAC around North Rona, a remote island 45 miles northwest of the Butt of Lewis, Scotland. The survey was completed using a single beam echosounder, high resolution sidescan sonar, underwater video and digital stills photography and sediment sampling.
Mapping of Marine Habitats and Species within the Community Marine Conservation Area at Lamlash Bay
Scottish Natural Heritage – SV Alba na Mara
During October 2008 Seastar Survey Ltd. planned and undertook a broad-scale environmental survey of Lamlash Bay and surrounding coast. The survey comprised RTK GPS (vertical and horizontal control), single beam echosounder, high resolution sidescan sonar, underwater video and stills photography and sediment sampling using a Day grab.
Eddystone Reef Habitat Mapping Survey - Read Article
English Nature – SV Mariner
Between July 2005 and January 2006 Seastar Survey Ltd. undertook a habitat mapping survey of an area around Eddystone Reef, Plymouth. The objectives of the survey were to map the extent of the rocky reef and surrounding mixed sediments, and classify the various habitats present. The survey was undertaken in two phases - phase 1, acoustic survey using sidescan sonar and single beam echosounder, and phase 2, environmental survey using underwater video and digital still photography.
Strategic Environmental Assessment (SEA) Surveys
United Kingdom Department of Trade and Industry (DTI)
Seastar Survey Ltd. were involved in the DTI’s SEA project for 6 years, with a presence onboard all of the SEA environmental surveys. The main objectives of the SEA surveys were to classify and map the seabed habitats and communities within the UK continental shelf. Seastar Survey Ltd. were responsible for undertaking underwater video and stills photography and seabed sampling using Day grabs, van Veen grabs, Hamon grabs, Box corers and Mega corers.
The Sublittoral Sandbanks of the Solway Firth - Read Summary
Scottish Natural Heritage – SV Mariner
During the summer and autumn of 2004 Seastar Survey Ltd. planned and undertook a broad-scale environmental survey of Solway Firth using Day grab and beam trawl sampling techniques. All survey operation were conducted from our survey vessel Mariner.
Across Wales Drop-Down Video Survey - Read Summary
Countryside Council for Wales – SV Pedryn
In summer of 2004 and 2005 Seastar Survey Ltd. were contracted to complete drop-down video surveys around the Welsh coast. In conjunction with the Countryside Council for Wales (CCW) we spent several weeks planning, conducting and analysing video surveys to record and map biotopes around the Welsh coast.
Oceanographic and Hydrographic Surveys
Monthly Bathymetric Survey of Cardiff Marina
Cardiff Harbour Authority – MV Lady Jane
In April 2014 Seastar Survey Ltd. was awarded a three year contract to carry out ongoing bathymetric monitoring for Cardiff Harbour Authority to inform dredging operations. Work is carried out on a monthly basis on a dedicated small survey boat, Lady Jane, using a single beam echosounder and Real-time Kinematic (RTK) corrected positioning (horizontal and vertical corrections). The data is processed in house and delivered to the client monthly.
Severn Estuary SAC Sub-tidal Sandbanks Survey
Natural England – SV Otarie
In January and February 2013 Seastar Survey Ltd. acquired singlebeam bathymetric and high resolution sidescan sonar data within a 70 km2 area of the Severn Estuary SAC. The equipment used were a survey grade single beam echosounder, Leica RTK GPS receiver and Edgetech 4125 High frequency sidescan sonar system. This data was collected to inform identification of sub tidal sand banks with the SAC, so as to aid management decisions regarding the protection of these features.
Braye Harbour bathymetric Survey
Alderney Harbour Authority – SV Mariner
In May 2012 Seastar Survey Ltd. undertook a singlebeam bathymetric survey to IHO Special Order standard within Braye Harbour, Alderney. The data were collected using a survey grade singlebeam echosounder and Real-time Kinematic (RTK) corrected positioning (horizontal and vertical corrections. The data collected produced a chart to inform dredging requirements within the harbour, and also to aid in navigation.
Alderney South Banks ADCO and Water Column Profiling Survey
Alderney Commission for Renewable Energy (ACRE) – MV Topcat III
In August 2011 Seastar Survey Ltd. took measurements of tidal current data and water column parameters within the Alderney Race during spring tide and over the entire tidal cycle. The equipment used included an RDI Workhorse vessel mounted ADCP system, Valeport MIDAS CTD system, turbidity measurements and water samples collected using a 1L Niskin Bottle. Data were collected to inform a proposed tidal turbine prototype emplacement.
Alderney South Banks MBES and Sidescan Sonar Survey
Alderney Commission for Renewable Energy (ACRE) – SV Mariner
In January 2011 Seastar Survey Ltd. undertook a MBES bathymetric and high resolution sidescan sonar survey of the Alderney South Banks area. Equipment used included a Geoswath 250 kHz multibeam echosounder system and Edgetech 4125 high frequency sidescan sonar system. Data were collected to inform a proposed tidal turbine prototype emplacement.
Sedimentation Monitoring Programme Survey
Halcrow Ltd. / Sovereign Harbour Marina Ltd. – SV Mariner
Between 2003 and 2010 Seastar Survey Ltd. undertook yearly survey work at Sovereign Harbour Marina as part of their entrance channel maintenance dredging licence application. The work comprised of a single-beam bathymetric survey of the entrance channel and full environmental survey of the dredged sediment disposal site. Seabed sediment samples were collected using 0.1 m2 Hamon grab from our survey vessel ‘Mariner’ - sub-samples were taken for chemical, biological and particle size analysis.
Clyde Current mapping
Partrac Ltd. – SV Otarie
In 2009 Seastar Survey Ltd. were contracted by Partrac Ltd. to undertake a survey to assess dissolution rates of potential effluents into the Clyde Sea. The project involved vessel operations, navigation and monitoring of Rhodamine dye in a tidal channel using a hull mounted flourometer.
British Energy Estuarine and Marine Studies (BEEMS) - Nearshore Habitat Survey, Bradwell
CEFAS – SV Mariner
During February and March 2008 Seastar Survey Ltd. undertook a habitat mapping survey in the river Blackwater, Essex. The survey comprised the use of high resolution sidescan sonar (Klein 3000), multi-beam swath bathymetry (GeoSwath plus) and single-beam echo-sounder (Marimatech). Horizontal and vertical control was obtained via a Leica GX1230 rover SmartNet RTK GPS.
Falmouth Harbour Seabed Mapping Survey
Cornwall County Council - SV Mariner
During September 2007 we undertook a seabed mapping survey of Falmouth harbour using a single beam echosounder, GeoChirp sub-bottom profiler, high resolution sidescan sonar and magnetometer. The purpose of the survey was to locate any areas of archaeological interest as part of the Falmouth Harbour redevelopment environmental impact assessment.
HSE Dive Team Surveys
Flamborough Head SAC: Condition Assessment
Natural England - MV Anabel
In 2014 Seastar Survey Ltd. developed and implemented scuba-diving monitoring methodology to establish and collect baseline data for previously surveyed habitats at Flamborough Head for future condition monitoring. Contract involved planning, method development, diving, analysis and reporting.
Salcombe to Kingsbridge Estuary SSSI: Condition Assessment
Natural England - MV Top Gun
In 2014 Seastar Survey Ltd. developed and implemented a scuba-diving monitoring methodology to establish and collect baseline data for previously surveyed habitats in the Salcombe Estuary for future condition monitoring surveys. Contract involved planning, method development, diving, analysis and reporting.
Fal and Helford SAC Diving Survey
Natural England – SV Otarie
In 2013 Seastar Survey Ltd. developed and implemented scuba-diving monitoring methodology followed by a diver based survey of the maerl beds within the Fal and Helford SAC to establish the health of the beds. Techniques included video transect swims, quadrat assessments, still photography and in-situ identification of fauna and flora. Other tasks included the analysis and interpretation of the results and supply of detailed report and GIS.
Isles of Scilly Complex SAC: Reef Condition Assessment
Natural England – MV Morvoren / MV Tiburon
In 2013 Seastar Survey Ltd. developed and implemented scuba-diving monitoring methodology to establish and collect baseline data for SAC reef sub-features (vertical wall and kelp forest communities). Techniques included video transect swims, quadrat assessments, still photography and in-situ identification of fauna and flora. Other tasks included the analysis and interpretation of the results and supply of a detailed report and GIS.
Survey and Monitoring of Seagrass Beds, Studland Bay, Dorset
The Crown Estate – SV Mariner
From 2009 to 2012 Seastar Survey Ltd. completed scientific diving monitoring surveys collecting data to investigate the potential impact of anchoring on the seagrass habitat at Studland Bay. The project involved a drop-down video survey followed by bi-annual scientific scuba-diving surveys over three years ending with statistical analysis and report writing.
Marine Biological Survey of Priority Marine Features in the Clyde Sea Area
Scottish Natural Heritage – SV Otarie
In 2010 Seastar Survey Ltd. undertook scientific diving to identify discrete Priority Marine Features within the Clyde Sea (Clyde Sea, Loch Long and Loch Fyne) area.
Supply of Survey Personnel
Fugro Emu Ltd. – B/O Sarmiento de Gamboa
October-December 2014, Jon Hawes.
Lead PAM Operative and MMO during a 2d hi-res seismic site survey in the Black Sea, off the coast of Romania. Responsibilities included setup and operation of a Seiche Fireface 800 PAM system using PAMGuard Beta 1.12, followed by report writing and GIS. Over 70 acoustic detections of common and bottlenose dolphin were made during the 5 week cruise.
Calesurvey - MRSV Siem Stork
July-August 2014, Jen O’Dell.
Environmental scientist on board for a ROV survey to map features of conservation interest – including soft corals and deep-water sponge aggregations – around a proposed well site. Online work included direction of ROV pilot and real-time logging and analysis of video footage including species identification and assessment of feature health; offline work involved detailed analysis and QC of captured data and preparation of data for entry into Global Mapper software.
Calesurvey / E.ON - Kommandor Stuart
June 2014, Alex Shakspeare.
Environmental scientist on board for site survey off Norway. The job involved onboard analysis and interpretation of MBES and SSS data using Global Mapper software to plan ROV dive sites for protected habitats, primarily Lophelia coral structures and sponge communities.
Fugro Emu Ltd. – SV GeoEndeavour
April-May 2014, Jon Hawes.
Lead environmental scientist in charge of environmental operations including water sampling using Niskin bottles and a Valeport Midas 606 + multiparamter CTD system, during a Site survey offshore of Malongo in Cabinda Province (Angola). Duties also included Marine Mammal Observer (MMO) during seismic operations.
Fugro Emu Ltd. / Shell - MV Geo Endeavour
February 2014, Alex Shakspeare.
Environmental scientist on board for EBS for pipeline rejuvenation project off the Gabonese coast. The job involved deployment of a Day grab and a Kongsberg 0E14-208 camera system, processing of grab samples and video data, water sampling and partial demobilisation of the environmental equipment.
Fugro Emu Ltd. / Genel - MV Minerva Uno
September-October 2013, Alex Shakspeare.
Environmental scientist on board for 3 weeks of a site survey off the Moroccan coast. The job involved deployment of a dual van Veen grab and a DTS 6000 deep water camera system, processing of all grab samples and video data, writing of draft reports and partial demobilisation of the environmental equipment.
Fugro Emu Ltd. – MV Fugro Searcher
September 2013, Jim Kerr.
Lead environmental scientist on board for surveys in the North Sea using a SES underwater camera system and dual Van veen grab for biological and chemical samples. MMO and PAM (Vanishing Point).
Fugro Emu Ltd. – SV Minerva Uno
August 2013, Jon Hawes.
Lead environmental scientist and MMO in charge of mobilizing, designing and conducting an EBS, habitat assessment and marine mammal mitigation program for three proposed oil well sites in the Atlantic Ocean, offshore of Morocco in 1000 m of water depth. This job involved the use of the DTS 6000 sub-sea camera system, a dual van Veen grab and 0.1m2 Box Corer.
Fugro EMU Ltd. – SV Minerva Uno
June-July 2013, Jon Hawes.
Lead environmental scientist in charge of mobilizing, designing and conducting an EBS and habitat assessment of a proposed oil well site, offshore of Malta. This job involved the use of the DTS 6000 sub-sea camera system, a dual van -Veen grab and a Sea Bird Electronics 9 Plus CTD system, mounted on a 10 bottle rosette. Sediment and water samples alongside high resolution stills and video were obtained in over 500 m depth.
Fugro Survey / GDF Suez - MV Fugro Discovery
September-October 2012, Jon Hawes.
Lead environmental scientist on a proposed rig site survey in Norwegian sector of the North Sea. Responsibilities included: Collation and analysis of acoustic data (SSS and MBES), preparation of a habitat assessment strategy, acquisition of video footage and still photographs (using the SES underwater video and stills camera system), analysis of data (photographic ID of macrofauna) and compilation of the field report.
Fugro Survey / Chevron E and P - MV Fugro Geo Prospector
May-June 2012, Jon Hawes.
Environmental scientist and MMO on a pipeline route site survey. Responsibilities included; collation and analysis of acoustic data including side scan sonar (SSS) and multibeam bathymetry (MBES), habitat assessment analysis using still photographs obtained using the AUV system Hugin 1000 and a DTS 6000 camera system, composition of an appropriate environmental baseline survey (EBS) using a twin 0.1m2 van-Veen grab.
ARTOO marine biology consultants – 2009-2015
Seastar Survey Ltd. have undertaken macroinvertebrate sample sorting on 82 different projects for ARTOO since March 2009 processing over 3000 samples in total.
CEFAS – 2012-2015
13 separate contracts for infaunal analysis of Hamon grab samples collected as part of the rMCZ surveys from various locations around the UK (macroinvertebrate sample sorting, identification and biomass).
CEFAS – 2014
Infaunal analysis of sediment samples collected from South Falls (North Sea). Macroinvertebrate sample sorting and identification, biomass to species level of 39 grab samples.
JNCC – September 2013
Sorting, identification and enumeration of 40 Hamon grab samples collected from Pobie Bank, the interpretation of the results and the supply of a report and GIS.
Alderney Commission for Renewable Energy (ACRE) – 2011
Alderney South Bank environmental survey. Macroinvertebrate sample sorting, identification and biomass of 11 Day grab samples collected from South Bank, Alderney. Part of a broad scale habitat mapping survey.
Borkum Riftgrund Windfarm Construction Phase PAM Survey
Baker Consultants – MV Fritz Reuter
During January to May 2014 Seastar Survey Ltd. designed and deployed seabed frames for the emplacement of 7 dual system passive acoustic monitoring (PAM) moorings, designed to monitor harbour Porpoise vocalisations and construction noise during piling operations. We designed and deployed the mooring systems, and developing a safe working procedure for the client to use for the duration of the project.
Investigations into Wader and Wildfowl Density and Behaviour in Relation to Algal Cover Density in Poole Harbour
Natural England - terrestrial
The study comprised of recording the presence of birds on algal mats and areas of clear sediment and the behaviour of the birds on each. Algal sampling was undertaken in the study areas once a month from November 2011 to February 2012. Intertidal sediment cores were collected at each study site at the start and end of the survey to gather data on infaunal communities.
MMO and PAM survey for the construction phase of Sheringham Shoal Windfarm
Safety Boat Services – SB Observer
We designed and managed the MMO and PAM survey for the piling phase of the construction of the Sheringham Shoal Windfarm, Norfolk, UK, including checking compliance with regulatory bodies. A bespoke PAM system was commissioned and installed on SB Observer and a team of MMO and PAM operatives used to provide 24 hours operations.
Fish Population Surveys Near Fawley and Shoreham Power Stations
Babtie Aquatic – SV Mariner
Seastar Survey Ltd. was involved in a 3 year contract with Babtie Aquatic, Southampton, to undertake fish population studies around the cooling water intake pipes of Fawley and Shoreham power stations. Sets of Beam trawls, Otter Board trawls, and Frame trawls were taken close to the cooling water uptake pipes and the control stations.
Assessment of Fish Stocks and Health in the Humber Estuary
Environment Agency – SV Mariner
Seastar Survey Ltd. undertook more than 45 days of seabed trawling around the entirety of the Humber Estuary including into tidal river sections to assess fish stocks with the ultimate aim of assessing bioaccumulation of toxins in the livers of key species (e.g. Whiting).
Unexploded Ordnance (UXO) Survey in the Thames Estuary
Arcadis - MV Watch Dog
In January 2016 Seastar Survey Ltd. were contracted to undertake a UXO survey in a predefined area of the Thames estuary. Ferrous objects to 3.3m depth were identified in the area using a transverse gradiometer (TVG) and non-ferrous surface debris was identified using a 900 kHz sidescan sonar. Horizontal positioning was provided using a Leica real time kinematic GPS system.
In June 2015 Seastar Survey Ltd. personnel were sourced at short notice to map the currents at a pipe line landing location to inform on the forces that would be exerted on equipment during operations. Seastar Survey sourced, calibrated and deployed a seabed mounted ADCP (Sentinel V, Teledyne RD Instruments) at the limit of the intertidal region to map currents over a tidal cycle. The data were processed and delivered to the client two days after data collection.
Sustainable Marine Ltd. – MV Willchallenge
In August 2014 Seastar Survey provided, calibrated and undertook the underwater positioning of a drill rig for a prototype tidal turbine using a USBL system. The equipment used was a Sonardyne SCOUT Plus USBL system with 2 x WSM transponders with TSS Gyrocompass, MRU and Leica RTK GPS. Accuracy of < 1m was achieved in very shallow depths (<20m).
In August 2012 Seastar Survey Ltd. was contracted to locate the lost keel of an ocean going racing yacht off Fastnet Rock, Ireland. To locate the keel we used side scan sonar imagery coupled with accurate hydrographic positioning.
Seatech Diving / Titan Salvage – MV Andre B
During March 2013 Seastar Survey Ltd. undertook a survey to locate four 30 m long jack-up rig leg sections in 60m depth off St. Nazaire in the Bay of Biscay, France. The missing legs were located using the C-Max CM2 sidescan sonar system, an exact position of each of the legs was ascertained on the first line run.
Archaeological Survey in Falmouth harbour
Cornwall County Council – SV Mariner
During September 2007 we undertook a seabed mapping survey of Falmouth harbour using a single beam echosounder; GeoChirp sub-bottom profiler; high resolution side scan sonar; and magnetometer. The purpose of the survey was to locate any areas of archaeological interest as part of the Falmouth Harbour redevelopment environmental impact assessment.