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Data was collected weekly as part of a study into the presence of algal blooms and the toxins they may produce. In situ testing recorded temperature, pH, oxygen and conductivity measures. Water samples were also collected and analysed in the laboratory for anion, cation and metal concentrations, chlorophyll-a concentrations and cyanobacteria identification and counts. \n\nThe work was supported by the Natural Environment Research Council (Grant NE/X011607/1).\n","distributionFormats":[{"name":"Comma-separated values (CSV)","type":"text/csv","version":"unknown"}],"distributorContacts":[{"organisationName":"NERC EDS Environmental Information Data Centre","organisationIdentifier":"https://ror.org/04xw4m193","role":"distributor","email":"info@eidc.ac.uk"}],"funding":[{"funderName":"Natural Environment Research Council","funderIdentifier":"https://ror.org/02b5d8509","awardNumber":"NE/X011607/1","orcid":false,"ror":true}],"id":"3fcb8359-9ca3-4319-b680-e0286f59571a","incomingCitationCount":0,"infoLinks":[{"url":"https://data-package.ceh.ac.uk/sd/3fcb8359-9ca3-4319-b680-e0286f59571a.zip","name":"Supporting information","description":"Supporting information available to assist in re-use of this dataset","function":"information","type":"OTHER"}],"inspireThemes":[{"theme":"Environmental Monitoring Facilities","uri":"http://inspire.ec.europa.eu/theme/ef"}],"keywordsOther":[{"value":"Water chemistry"},{"value":"Cyanobacteria "},{"value":"algal bloom","uri":"http://www.eionet.europa.eu/gemet/concept/303"}],"keywordsPlace":[{"value":"Cheshire Meres"}],"keywordsTheme":[{"value":"Environmental survey","uri":"http://onto.nerc.ac.uk/CEHMD/topic/7"}],"licences":[{"value":"This resource is available under the terms of the Open Government Licence","code":"license","uri":"https://eidc.ac.uk/licences/ogl/plain"}],"lineage":"Samples were taken on a weekly basis from three sampling locations at each site. Field measurements were conducted for pH, conductivity, oxygen and temperature, using field meters calibrated according to the manufacturer’s instructions. \n\nFor analysis of water chemistry, water samples were filtered and ran using ion chromatography (IC) to quantify chloride, nitrite, sulphate, nitrate, phosphate, sodium, ammonium, magnesium, potassium and calcium.  \n\nChlorophyll-a samples were prepared by filtering water onto a Whatman filter paper (0.2µm) and extracted in 96% ethanol, before absorbance was measured at wavelengths of 665 and 750 nm. \n\nCyanobacterial were identified and enumerated using a Sedgewick-Rafter slide and analysed using a light microscope. \n","metadataDate":"2026-06-29T17:06:15","notGEMINI":false,"onlineResources":[{"url":"https://data-package.ceh.ac.uk/data/3fcb8359-9ca3-4319-b680-e0286f59571a","name":"Download the data","description":"Download a copy of this data","function":"download","type":"OTHER"},{"url":"https://data-package.ceh.ac.uk/sd/3fcb8359-9ca3-4319-b680-e0286f59571a.zip","name":"Supporting information","description":"Supporting information available to assist in re-use of this dataset","function":"information","type":"OTHER"}],"pointsOfContact":[{"honorificPrefix":"Dr","familyName":"Shaw","givenName":"Kirsty","organisationName":"Manchester Metropolitan University","role":"pointOfContact","email":"k.shaw@mmu.ac.uk","fullName":"Shaw, K.","pointOfContact":"Manchester Metropolitan University"}],"publicationDate":"2024-05-21T00:00:00.000Z","publishers":[{"organisationName":"NERC EDS Environmental Information Data Centre","organisationIdentifier":"https://ror.org/04xw4m193","role":"publisher","email":"info@eidc.ac.uk"}],"resourceIdentifiers":[{"code":"https://catalogue.ceh.ac.uk/id/3fcb8359-9ca3-4319-b680-e0286f59571a"},{"code":"10.5285/3fcb8359-9ca3-4319-b680-e0286f59571a","codeSpace":"doi"}],"resourceType":{"value":"dataset"},"responsibleParties":[{"familyName":"Jenkinson","givenName":"L.A.","organisationName":"Manchester Metropolitan University","role":"author","email":"lauren.a.jenkinson@stu.mmu.ac.uk","fullName":"Jenkinson, L.A."},{"familyName":"Dean","givenName":"A.P.","organisationName":"Manchester Metropolitan University","role":"author","email":"andrew.dean@mmu.ac.uk","nameIdentifier":"https://orcid.org/0000-0001-6893-5118","fullName":"Dean, A.P."},{"familyName":"Redfern","givenName":"J.","organisationName":"Manchester Metropolitan University","role":"author","email":"j.redfern@mmu.ac.uk","nameIdentifier":"https://orcid.org/0000-0003-0958-683X","fullName":"Redfern, J."},{"familyName":"Shaw","givenName":"K.J.","organisationName":"Manchester Metropolitan University","role":"author","email":"k.shaw@mmu.ac.uk","nameIdentifier":"https://orcid.org/0000-0001-9241-4195","fullName":"Shaw, K.J."},{"honorificPrefix":"Dr","familyName":"Shaw","givenName":"Kirsty","organisationName":"Manchester Metropolitan University","role":"pointOfContact","email":"k.shaw@mmu.ac.uk","fullName":"Shaw, K.","pointOfContact":"Manchester Metropolitan University"},{"organisationName":"NERC EDS Environmental Information Data Centre","organisationIdentifier":"https://ror.org/04xw4m193","role":"publisher","email":"info@eidc.ac.uk"},{"organisationName":"NERC EDS Environmental Information Data Centre","organisationIdentifier":"https://ror.org/04xw4m193","role":"custodian","email":"info@eidc.ac.uk"},{"organisationName":"Manchester Metropolitan University ","organisationIdentifier":"https://ror.org/02hstj355","role":"rightsHolder"}],"rightsHolders":[{"organisationName":"Manchester Metropolitan University ","organisationIdentifier":"https://ror.org/02hstj355","role":"rightsHolder"}],"spatialReferenceSystems":[{"code":"http://www.opengis.net/def/crs/EPSG/0/4326","title":"WGS 84"}],"spatialRepresentationTypes":["textTable"],"spatialResolutions":[{"distance":"1000","uom":"urn:ogc:def:uom:EPSG::9001"}],"temporalExtents":[{"begin":"2022-06-01","end":"2022-09-30"}],"temporalResolution":["weekly"],"title":"Environmental and biological measurements from Tatton Mere and Rostherne Mere, UK, 2022","topicCategories":[{"value":"biota","uri":"http://inspire.ec.europa.eu/metadata-codelist/TopicCategory/biota"},{"value":"environment","uri":"http://inspire.ec.europa.eu/metadata-codelist/TopicCategory/environment"}],"topics":["http://onto.nerc.ac.uk/CEHMD/topic/7"],"type":"dataset","uri":"https://catalogue.ceh.ac.uk/id/3fcb8359-9ca3-4319-b680-e0286f59571a","useConstraints":[{"value":"This resource is available under the terms of the Open Government Licence","code":"license","uri":"https://eidc.ac.uk/licences/ogl/plain"}]}