CEFAS24-92 Contract for marine benthic macroinvertebrate analysis of samples

Cefas · awarded 15 August 2024

Who

Buyer	Cefas Lowestoft
Supplier	APEM Ltd
Category	services
Classification	Analysis services CPV 71620000
Notice published	23 August 2024

What it is for

Cefas require a Supplier to process the 36 sediment samples (12 stations with triplicate samples), to extract and identify all biota retained following sieving on a 1.0 mm capture mesh, as per the NMBAQC guidelines detailing extraction and identification protocols. In addition to this, there is a requirement to ensure these data are audited as per the NMBAQC Own Samples protocol prior to submission to Cefas (Hall, 2019). http://www.nmbaqcs.org/media/1764/os686970_summary-report.pdf. Enumeration, identification and biomassing to the lowest possible taxonomic level should be carried out following the NMBAQC Processing Requirement Protocol and Taxonomic Discrimination Protocol. Biomass (wet weight in grams to at least 4 d.p.) is required for all enumerable taxa. Balances must be serviced annually and a valid service certificate must be supplied. A single reference collection of all species/taxa identified is required to be returned to the Cefas laboratories in Lowestoft in an appropriate preservation liquid (i.e. 100% IDA or 70% IMS, 20% water and 10% glycerol). The reference collection should contain, as a minimum, the species name, name of identifier/ supervisor, station code, cruise code, date of collection and name of species identification verifier. A list of all taxa in the reference collection is also requested, in electronic form, with these details included. Notable taxa should be highlighted here such as non-native species and new or unusual records. Non-native species should be added to the Non-native Species Information Portal (NNSIP) (hosted on the Non-native Species Secretariat website, http://www.nonnativespecies.org/index.cfm?sectionid=81). The abundance and biomass data matrices should be in completed with, at minimum, the detail in the exemplar provided…

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