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2004-2012 Bishop et al. Occurrence of non-native sessile invertebrates on the English coast

Dataset homepage

Citation

Marine Biological Association (2023). 2004-2012 Bishop et al. Occurrence of non-native sessile invertebrates on the English coast. Occurrence dataset https://doi.org/10.15468/t9edux accessed via GBIF.org on 2023-12-07.

Description

As part of efforts to monitor marine non-native species (NNS) populations, a series of surveys were conducted at 61 marina sites across England and Wales. The data was collected from 2004 to 2012. Only English data is included

Purpose

To monitor marine non-native species (NNS) populations in marinas.

Sampling Description

Quality Control

Internal QA procedure at the Marine Biological Association by John Bishop at al. The dataset has not been put through the NBN record cleaner since many of the species are NNS of which distribution not widely known.

Method steps

  1. Rapid Assessment Survey; Fixed Panels; Targeted Collections. At each marina the available floating pontoons were allocated between 3 surveyors. Each surveyor spent 1 hour searching their allocated area, examining and scraping pontoon sides, and examining any other substrates accessible from the surface e.g. ropes, buoys, fenders, kelps etc. All 34 target NNS presence/absence were noted and abundance estimated (using an abbreviated and adapted SACFORN scale where A=SA, F=CF, R=OR, N=N). The majority of species were determined on site. Any other potential NNS, unidentified specimens, those requiring microscopical examination for species confirmation, and specimens to substantiate significant findings were relaxed, preserved and examined later in the laboratory.

Taxonomic Coverages

Geographic Coverages

Covers surveys from marinas around the country, form the River Wyre near Blackpool on the West coast all the way down the coast, along the South and up the East coast to Newcastle-Upon-Tyne in the North East. Most surveys were undertaken on the South and South East coasts of England.

Bibliographic Citations

Contacts

originator
Marine Biological Association
The Laboratory
Citadel Hill
PL1 2PB
Plymouth, Devon
GB
Telephone: +44 (0) 1752633207
email: dassh.enquiries@mba.ac.uk
homepage: http://www.mba.ac.uk
metadata author
Marine Biological Association
The Laboratory
Citadel Hill
PL1 2PB
Plymouth, Devon
GB
Telephone: +44 (0) 1752633207
email: dassh.enquiries@mba.ac.uk
homepage: http://www.mba.ac.uk
distributor
NBN Atlas
Unit F, 14 - 18 St Mary's Gate, Lace Market
Nottingham
NG1 1PF
Nottinghamshire
GB
email: admin@nbnatlas.org
administrative point of contact
position: editor
email: dassh.enquiries@mba.ac.uk
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