Fish biomass and density data for 3 intensively studied Wessex chalkstream sites, England, UK

Density and biomass of fish taxa from three chalkstreams in the Wessex chalk area: Nine Mile River, River Till and River Wylye. Data were collected on five occasions, between October 2012 and October 2013. The density of fish taxa at each of the three streams was estimated using benthic fish sampling and multi-pass electrofishing. The mean biomass of individuals of each taxon at each site on each occasion was then applied to the density estimates to derive an estimate of the biomass per m2 of each taxon at each site on each occasion. Data were collected to quantify food webs detailing the flux of mass and nutrients between nodes of the food web. This dataset was created as part of work package 3.2 of the Wessex Biodiversity & Ecosystem Service Sustainability (BESS) project. Full details about this dataset can be found at https://doi.org/10.5285/7eee41f8-dbde-4b5e-b2d5-7296b5bfc558

Simple

Date (Publication)
2017-06-26
Date (Creation)
2013-10-31
Identifier
https://catalogue.ceh.ac.uk/id/7eee41f8-dbde-4b5e-b2d5-7296b5bfc558
Identifier
doi: / 10.5285/7eee41f8-dbde-4b5e-b2d5-7296b5bfc558
Other citation details
Jones, J.I., Arnold, A., Pretty, J., Duerdoth, C., Murphy, J., Hawczak, A., Scott, L., Lauridsen, R., Beaumont, W. (2017). Fish biomass and density data for 3 intensively studied Wessex chalkstream sites, England, UK. NERC Environmental Information Data Centre 10.5285/7eee41f8-dbde-4b5e-b2d5-7296b5bfc558
Point of contact
  Queen Mary University of London - Murphy, J.
Author
  Queen Mary University of London - Jones, J.I.
Author
  Queen Mary University of London - Arnold, A.
Author
  Queen Mary University of London - Pretty, J.
Author
  Queen Mary University of London - Duerdoth, C.
Author
  Queen Mary University of London - Murphy, J.
Author
  Queen Mary University of London - Hawczak, A.
Author
  Game and Wildlife Conservation Trust - Scott, L.
Author
  Game and Wildlife Conservation Trust - Lauridsen, R.
Author
  Game and Wildlife Conservation Trust - Beaumont, W.
Publisher
  NERC Environmental Information Data Centre
Custodian
  NERC EDS Environmental Information Data Centre
Maintenance and update frequency
notPlanned Not planned
GEMET - INSPIRE themes, version 1.0
  • Environmental Monitoring Facilities
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This resource is made available under the terms of the Open Government Licence
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© Queen Mary University of London
Use constraints
otherRestrictions Other restrictions
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© Game and Wildlife Conservation Trust
Use constraints
otherRestrictions Other restrictions
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If you reuse this data, you should cite: Jones, J.I., Arnold, A., Pretty, J., Duerdoth, C., Murphy, J., Hawczak, A., Scott, L., Lauridsen, R., Beaumont, W. (2017). Fish biomass and density data for 3 intensively studied Wessex chalkstream sites, England, UK. NERC Environmental Information Data Centre https://doi.org/10.5285/7eee41f8-dbde-4b5e-b2d5-7296b5bfc558
Spatial representation type
textTable Text, table
Metadata language
EnglishEnglish
Character set
utf8 UTF8
Topic category
  • Biota
Begin date
2012-10-01
End date
2013-10-31
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W
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Unique resource identifier
OSGB 1936 / British National Grid
Distribution format
  • Comma-separated values (CSV) ()

Distributor
  NERC EDS Environmental Information Data Centre
OnLine resource
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dataset Dataset
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Conformance result

Date (Publication)
2010-12-08
Statement
Samples were collected on five separate occasions from the three sites. Sampling did not occur during the salmonid breeding season, December to March, so as not to disturb redds. Protocols and standard procedures were strictly followed for benthic fish sampling and electrofishing but there was no formal quality assurance procedure, such as repeat surveying of the same reach on a different day within the same sampling period. Electrofishing was undertaken by fully qualified and very experienced fish biologists (Bill Bellamy and Luke Scott) from the Game and Wildlife Conservation Trust. Fish populations were assessed by multi-pass electrofishing. Population density estimates were derived using the the Zippin maximum likelihood method (Zippin, 1958). As electrofishing is not particularly effective at catching certain benthic species e.g. bullheads, stone loach, we used a modified Hess sampler (0.12 m2) to assess populations of these species, deployed 20 times on each date, using a stratified-random regime. The mean biomass of individuals of each taxa captured at each site on each occassion was determined using length-mass regressions, and multiplied by the density estimate to derive a biomass estimate.
File identifier
7eee41f8-dbde-4b5e-b2d5-7296b5bfc558 XML
Metadata language
EnglishEnglish
Character set
ISO/IEC 8859-1 (also known as Latin 1) 8859 Part 1
Hierarchy level
dataset Dataset
Hierarchy level name
dataset
Date stamp
2025-06-03T07:42:52
Metadata standard name
UK GEMINI
Metadata standard version
2.3
Point of contact
  NERC EDS Environmental Information Data Centre
Lancaster Environment Centre, Library Avenue, Bailrigg , Lancaster , LA1 4AP , UK
https://eidc.ac.uk/
 
 

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GEMET - INSPIRE themes, version 1.0
Environmental Monitoring Facilities

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