Playing a vital role informing complex consenting requirements and condition assessments, habitat sampling identifies and assesses habitats, species, and sediment makeup in detail.
ABPmer’s experienced surveyors use specialist equipment and bespoke sampling techniques, including core and grab sampling for detailed faunal and sediment analysis, and the capture of high-resolution drop-down video (DDV) stills for seabed visualisation.
Our ecologists undertake Phase II (quadrat and core sampling) surveys across a range of intertidal habitats and benthic sampling across multiple subtidal environments.
Our subtidal survey capabilities include:
Grab sampling
Our surveyors use a range of methods to capture offshore mud, sand and course sediment samples:
- Day grab sampling to obtain mud or sandy sediment from the seabed, providing quantifiable estimation of local species (infauna)
- Hamon grab sampling to obtain bottom samples from the seabed in course sand, gravel or cobble sediments for aggregate benthic monitoring
- Van Veen grab sampling to obtain bottom samples in intertidal areas or shallow subtidal in soft, muddy and/or sandy sediments
Sediment sampling
Our specialists collect sediment cores for infaunal, particle size analysis (PSA) and chemical analysis (trace metals, PCBs, PAHs) in intertidal areas.
We also undertake quadrat sampling to quantify fauna in rocky shore habitats, to estimate population abundance, density, frequency and distribution.
Underwater video surveys
Our surveyors capture underwater video via both Remote Operated Vehicle (ROV) and drop-down video (DDV).
Our bespoke DDV can simultaneously record underwater video and capture high-resolution stills in all underwater habitats.
For subtidal reefs and other sensitive habitats where remote sensing is unsuitable, our experienced divers can carry out detailed inspections up close.