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2012, EGS, Lynn and Inner Dowsing Offshore Wind Farms, Survey of Benthic Communities within Jack-Up Footprints

2012, EGS, Lynn and Inner Dowsing Offshore Wind Farms, Survey of Benthic Communities within Jack-Up Footprints

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Benthic Ecology

Description

An investigative environmental survey was carried out at two jack-up footprint
locations within the Lynn and Inner Dowsing (L&ID) wind farms, owned by GLID
Wind Farms TopCo Ltd, located off the coast of Skegness (Lincolnshire). These sites
were in close proximity to turbines ID25 (locations G and H) and LN19 (locations J
and K). The survey was carried out by EGS International from the survey vessel
“Wessex Explorer”, assisted by Benthic Solutions Limited. The survey was designed
to investigate the differences in the sediments and communities within footprints
created by jack-up spud cans during construction. The main aim of the survey was to
establish if there were any perturbation to the sediments and associated
degradation of the macro-invertebrate communities. The presence or absence of
potential Annex I habitats at these locations was also investigated. Operations were
based on seabed sampling at two footprint centres in addition to reference locations
located 250m west of each. Field operations were based on a combination of seabed
photography and triplicate benthic samples at each survey location.  Please note the bathymetry and side-scan sonar data referenced in the report is only present within the "2012, EGS, Lynn and Inner Dowsing Offshore Wind Farms, Post Construction Hydrographic and Geophysical Survey" series.

Dataset

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Particle Size Distribution

Imagery

Macro-Invertebrate Matrices

Report

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Final Report

Drawings