CEFAS271cd60f-d1cd-4272-9953-74bf3c984ade English dataset Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS) Cefas Lowestoft Laboratory Pakefield Road Lowestoft Suffolk NR33 0HT UK data.manager@cefas.co.uk pointOfContact 2022-01-05T11:19:09 EPSG Geodetic Parameter Registry 2022-01-07 revision WGS 84 Nematode assemblages from trawling experiments at two stations in the southern North Sea, 1999-2000 2020-09-09 publication 2022-01-05 revision 2020-02-26 creation CEFAS20351 https://data.cefas.co.uk Data is presented as counts of nematode worms present in samples obtained from two locations in the southern North Sea, the Western Mud Hole and the Botney Cut. These data are results of trawling experiments conducted from October 1999 to November 2000. Samples were collected from impact site A and an untrawled control site B at both locations. Data including the biomass and abiotic factors of the sampling locations are also available. Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS) Cefas Lowestoft Laboratory Pakefield Road Lowestoft Suffolk NR33 0HT UK data.manager@cefas.co.uk originator Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS) Cefas Lowestoft Laboratory Pakefield Road Lowestoft Suffolk NR33 0HT UK data.manager@cefas.co.uk custodian Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS) Cefas Lowestoft Laboratory Pakefield Road Lowestoft Suffolk NR33 0HT UK data.manager@cefas.co.uk distributor Centre for Environment, Fisheries and Aquaculture Science, Lowestoft Laboratory (CEFAS) data.manager@cefas.co.uk owner notPlanned Biodiversity Benthos Sediment GEMET, version 1.0 2008-06-01 publication Species distribution GEMET - INSPIRE themes, version 1.0 2008-06-01 publication Sediment Benthic boundary SeaVoX Vertical Co-ordinate Coverages 2010-05-18 revision Marine Environmental Data and Information Network MEDIN metadata record availability 2012-01-11 publication data.gov.uk MEDIN metadata record availability 2012-01-11 publication otherRestrictions noLimitations otherRestrictions Public data - no limitations to reuse English biota 0.00 4.00 53.25 55.50 1999-10-29 2000-11-29 Delimited Geographic Information System Unknown https://data.cefas.co.uk/view/20351 Cefas Data Portal download The Cefas Data Portal contains metadata records and data sets available to download and connect to in support of our commitment to open science. Data is available in the following formats: CSV, ESRI Shapefile. The data can also be accessed via the WFS and WMS protocols. dataset INSPIRE Data Specification on Species Distribution – Technical Guidelines 2013-12-10 publication false See the referenced specification Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services 2010-12-08 publication true See the referenced specification Trawling experiments were conducted at two sites in the southern North Sea, the Western Mud Hole and the Botney Cut, during an investigation of the short-term effects of beam trawling in the Southern North Sea. Trawling experiments were conducted at two locations in the southern North Sea: the Western Mud Hole (depth 39 m) and the Botney Cut (depth 59 m). The sediments at both experimental locations fall within the category of muddy sands (Western Mud Hole, mean particle diameter 76 lm) or muds (Botney Cut, mean particle diameter 16 lm). The sediment at the Western Hole consisted of 79% sand and 21% silt/clay; that at Botney Cut, of 27% sand and 73% silt/clay. Meiofauna were sampled randomly using a 0.1 m2 NIOZ corer at an impact site A and an untrawled control site B at both locations, once before and on several occasions after experimental trawling. After initial sampling, both impact sites (A) were trawled with a 4-m-beam trawl (25 parallel hauls). The trawl was fished at a speed of 5 knots (8 km h–1) and was fitted with 80-mm mesh and a chain matrix. The identification keys used were Platt & Warwick (1983, 1988), Warwick et al. (1998). MEDIN 3.1.1