2012 University of Plymouth Falmouth towed underwater video maerl and associated epifauna survey

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Marine Environmental Data & Information Network
Last updated:
01 February 2023
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Summary

This data set comprises of marine epibenthos and endobenthos (approx. 370 identified taxa derived from Algae, Annelida, Arthropoda, Bryozoa, Chordata, Echinodermata, Hemichordata, Mollusca, Nematoda, Nemertea, Phoronida, Porifera and Sipuncula), associated with maerl beds in Falmouth Harbour, UK quantified between 2011 – 2013 using a towed underwater video system and hand cores taken by SCUBA divers. Additional data on sediment (organic content and particle size) and the porosity of maerl found at the sites are also provided. Surveys were conducted to assess the extent, distribution and species composition of maerl bed habitats within the harbour in response to proposed dredging activities to deepen the shipping channel. To establish the location and extent of maerl beds and quantify the abundance of epifauna transects were undertaken using a high definition towed underwater video system. Towed video surveys took place in November 2011 and February 2012 and transects were approximately 200 x 0.5 metres. Core samples collected by divers September - November 2012 and July - August 2013 were used to further assess habitat quality and species distribution by quantifying the abundance of infauna and analysing organic content, particle size and maerl structure. For associated infaunal cores, please see: 2012 - 2013 University of Plymouth Falmouth maerl bed infauna and sediment survey using diver cores

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DASSH website homepage N/A 01 February 2023 Not available
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Additional information

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Added to data.gov.uk
2021-06-10
Access contraints
Public access
Harvest GUID
2a186b7b-e20f-4640-9bb7-9bafbe71b843
Extent
Latitude: 50.1614° to 50.1323°
Longitude: -5.0726° to -5.0115°
Spatial reference system
urn:ogc:def:crs:EPSG::4326
Dataset reference date
2021-02-22 (publication)
2012-02-17 (creation)
2021-02-22 (revision)
Frequency of update
notPlanned
Responsible party
University of Plymouth, School of Biological and Marine Sciences (originator); Data Archive for Seabed Species and Habitats (DASSH) (custodian)
ISO 19139 resource type
dataset
Metadata language
eng
Source Metadata
XML
HTML

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CC BY NC