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These data were collected to show the relationship between climate, especially short-term climatic perturbations, and diatom assemblages. The sediment trap data cover the period from October 2004 to January 2017, while the thermal profiles cover October 2005 to December 2016. Diatom data is presented with date, percentage taxa abundance and diatom fluxes based on total sediment yield. Temperature profiles are presented as mean daily figures. The work was carried out as part of a Natural Environment Research Council (NERC) funded PhD [grant number NE/L002493/1], with the temperature data funded by the UKLEON (UK Lake Ecological Observatory Network) project via a NERC small grant [grant number NE/I007261/1].","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","awardTitle":"Central England NERC Training Alliance (CENTA)","awardNumber":"NE/L002493/1","awardURI":"https://gtr.ukri.org/projects?ref=NE/L002493/1","orcid":false,"ror":true}],"id":"16f52064-a19d-4cf5-a388-aff04a592179","incomingCitationCount":0,"infoLinks":[{"url":"https://data-package.ceh.ac.uk/sd/16f52064-a19d-4cf5-a388-aff04a592179.zip","name":"Supporting information","description":"Supporting information available to assist in re-use of this dataset","function":"information","eidcDistribution":false,"type":"OTHER"}],"inspireThemes":[{"theme":"Environmental Monitoring Facilities","uri":"http://inspire.ec.europa.eu/theme/ef"}],"keywordsOther":[{"value":"Stephanodiscus parvus","uri":"http://www.wikidata.org/entity/Q67888523"},{"value":"Sediment traps"},{"value":"diatom","uri":"http://www.eionet.europa.eu/gemet/concept/2168"},{"value":"stratification","uri":"http://www.eionet.europa.eu/gemet/concept/8125"},{"value":"water temperature"},{"value":"relative resistance to thermal mixing"},{"value":"RTRM"}],"keywordsPlace":[{"value":"Rostherne Mere"}],"keywordsProject":[{"value":"UK Lake Ecological Observatory Network UKLEON"}],"licences":[{"value":"This resource is made available under the terms of the Open Government Licence","code":"license","uri":"https://eidc.ac.uk/licences/ogl/plain"}],"lineage":"Sediment trapping using open traps and sequencing traps was carried out at Rostherne Mere from January 2004 to January 2017. Traps were deployed in a central lake location at 10 m and 25 m water depths, sequentially opening into 12 individual 250 ml HDPE bottles, each representing a ~2 week collection period (in January and February longer collection periods of 3-4 weeks were used). The traps were reset every ~6 months as dictated by the trapping interval used, with trap sediment kept cool, dark and sealed during transport to the laboratory where it was stored frozen prior to analysis. All trap samples were freeze-dried prior to analysis and weighed for total trap sample dry sediment flux. 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