{"accessLimitation":{"value":"Registration is required to access this data","code":"Available","uri":"https://www.eidc.ac.uk/help/faq/registration"},"authors":[{"familyName":"Botham","givenName":"M.","organisationName":"UK Centre for Ecology & Hydrology","organisationIdentifier":"https://ror.org/00pggkr55","role":"author","email":"enquiries@ceh.ac.uk","nameIdentifier":"https://orcid.org/0000-0002-5276-1405","fullName":"Botham, M."},{"familyName":"Brereton","givenName":"T.","organisationName":"Butterfly Conservation","role":"author","email":"tbrereton@butterfly-conservation.org","fullName":"Brereton, T."},{"familyName":"Harris","givenName":"S.","organisationName":"British Trust for Ornithology","role":"author","email":"sarah.harris@bto.org","fullName":"Harris, S."},{"familyName":"Harrower","givenName":"C.","organisationName":"UK Centre for Ecology & Hydrology","organisationIdentifier":"https://ror.org/00pggkr55","role":"author","email":"enquiries@ceh.ac.uk","nameIdentifier":"https://orcid.org/0000-0001-5070-5293","fullName":"Harrower, C."},{"familyName":"Middlebrook","givenName":"I.","organisationName":"Butterfly Conservation","role":"author","email":"imiddlebrook@butterfly-conservation.org","nameIdentifier":"https://orcid.org/0000-0002-0448-9144","fullName":"Middlebrook, I."},{"familyName":"Randle","givenName":"Z.","organisationName":"Butterfly Conservation","role":"author","email":"zrandle@butterfly-conservation.org","fullName":"Randle, Z."},{"familyName":"Roy","givenName":"D.B.","organisationName":"UK Centre for Ecology & Hydrology","organisationIdentifier":"https://ror.org/00pggkr55","role":"author","email":"enquiries@ceh.ac.uk","nameIdentifier":"https://orcid.org/0000-0002-5147-0331","fullName":"Roy, D.B."}],"availability":"Available","boundingBoxes":[{"westBoundLongitude":-8.648,"eastBoundLongitude":1.768,"southBoundLatitude":49.864,"northBoundLatitude":60.861,"bounds":"{\"type\": \"Feature\",      \"properties\": {},      \"geometry\": {        \"type\": \"Polygon\",        \"coordinates\": [[[-8.648, 49.864], [-8.648, 60.861], [1.768, 60.861], [1.768, 49.864], [-8.648, 49.864]]]      }}","coordinates":"[[[-8.648, 49.864], [-8.648, 60.861], [1.768, 60.861], [1.768, 49.864], [-8.648, 49.864]]]"}],"citation":{"authors":["Botham, M.","Brereton, T.","Harris, S.","Harrower, C.","Middlebrook, I.","Randle, Z.","Roy, D.B."],"bibtex":"https://catalogue.ceh.ac.uk/documents/8ccccf05-45b4-4a65-b145-38e9b44d2ce4/citation?format=bib","day":17,"doi":"10.5285/8ccccf05-45b4-4a65-b145-38e9b44d2ce4","month":7,"publisher":"NERC Environmental Information Data Centre","resourceTypeGeneral":"dataset","ris":"https://catalogue.ceh.ac.uk/documents/8ccccf05-45b4-4a65-b145-38e9b44d2ce4/citation?format=ris","title":"United Kingdom Butterfly Monitoring Scheme: species trends 2019","url":"https://doi.org/10.5285/8ccccf05-45b4-4a65-b145-38e9b44d2ce4","year":2020},"custodians":[{"organisationName":"NERC EDS Environmental Information Data Centre","organisationIdentifier":"https://ror.org/04xw4m193","role":"custodian","email":"info@eidc.ac.uk"}],"datasetReferenceDate":{"publicationDate":"2020-07-17"},"description":"This dataset provides linear trends, over varying time periods, for the Collated Indices of individual butterfly species across the UK. The main statistical values derived from a linear regression (slope, standard error, P-value) are presented for the entire time series for each species (1976# to the present year), for the last 20 years, and for the last decade.   In addition, trends are classified based on the direction and significance of a linear slope together with an estimated percentage change for that time period. These trend data are provided for all UK butterfly species for which we have sufficient data (58 species).\n\nTrends are calculated by performing a linear regression on the annual Collated indices for each species. Collated indices are calculated using a log-linear model incorporating individual site indices from all monitored sites across the UK for a given species in a given year. \n\nTrends across different time series allow us to determine the long and short-term status of individual species. This is enables us to focus conservation and research and also to assess species responses to conservation already in place.\n\nThe UK Butterfly Monitoring Scheme is organized and funded by Butterfly Conservation (BC), the Centre for Ecology & Hydrology (CEH), the British Trust for Ornithology (BTO), and the Joint Nature Conservation Committee (JNCC). The UKBMS is indebted to all volunteers who contribute data to the scheme.\nThis work was supported by the Natural Environment Research Council award number NE/R016429/1 as part of the UK-SCAPE programme delivering National Capability.\n\n#Because the Collated indices are only calculated for each species in years in which it was recorded on five or more sites, the starting year for the series is later than 1976 for a number of rarer species.\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/R016429/1","awardURI":"https://gtr.ukri.org/projects?ref=NE/R016429/1","orcid":false,"ror":true}],"id":"8ccccf05-45b4-4a65-b145-38e9b44d2ce4","incomingCitationCount":0,"infoLinks":[{"url":"https://data-package.ceh.ac.uk/sd/8ccccf05-45b4-4a65-b145-38e9b44d2ce4.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":"lepidopteran","uri":"http://www.eionet.europa.eu/gemet/concept/4777"},{"value":"butterfly","uri":"http://www.eionet.europa.eu/gemet/concept/1091"}],"keywordsPlace":[{"value":"England","uri":"http://sws.geonames.org/6269131"},{"value":"Scotland","uri":"http://sws.geonames.org/2638360"},{"value":"Wales","uri":"http://sws.geonames.org/2634895"},{"value":"Northern Ireland","uri":"http://sws.geonames.org/2641364"},{"value":"United Kingdom","uri":"http://sws.geonames.org/2635167"}],"keywordsProject":[{"value":"UK-SCAPE"}],"keywordsTheme":[{"value":"Biodiversity","uri":"http://onto.nerc.ac.uk/CEHMD/topic/2"}],"licences":[{"value":"This resource is available under the terms of the Open Government Licence","code":"license","uri":"https://eidc.ac.uk/licences/ogl-ukbms/plain"}],"lineage":"Trends are calculated by performing a linear regression on the annual Collated Indices for each species. Indices are calculated for all species (across WCBS squares and traditional UKBMS sites) using the Generalised Abundance Index (GAI) method developed in 2016 with an additional modification that the data from each site in each year is weighted in the final stage relative to the proportion of the species flight period surveyed that year for that site. They give a statistical measure of how the abundance of each species has changed on monitored sites since 1976, over the last 20 years, and over the last decade. Because the Collated indices are only calculated for each species in years in which there was sufficient data available, the starting year for the series is later than 1976 for a number of rarer species.","metadataDate":"2026-05-11T18:18:08","notGEMINI":false,"onlineResources":[{"url":"https://data-package.ceh.ac.uk/data/8ccccf05-45b4-4a65-b145-38e9b44d2ce4","name":"Download the data","description":"Download a copy of this data","function":"download","type":"OTHER"},{"url":"https://data-package.ceh.ac.uk/sd/8ccccf05-45b4-4a65-b145-38e9b44d2ce4.zip","name":"Supporting information","description":"Supporting information available to assist in re-use of this dataset","function":"information","type":"OTHER"}],"pointsOfContact":[{"familyName":"Brereton","givenName":"Tom","organisationName":"Butterfly Conservation","role":"pointOfContact","email":"tbrereton@butterfly-conservation.org","fullName":"Brereton, T.","pointOfContact":"Butterfly 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Z."},{"familyName":"Roy","givenName":"D.B.","organisationName":"UK Centre for Ecology & Hydrology","organisationIdentifier":"https://ror.org/00pggkr55","role":"author","email":"enquiries@ceh.ac.uk","nameIdentifier":"https://orcid.org/0000-0002-5147-0331","fullName":"Roy, D.B."},{"organisationName":"NERC EDS Environmental Information Data Centre","organisationIdentifier":"https://ror.org/04xw4m193","role":"custodian","email":"info@eidc.ac.uk"},{"organisationName":"NERC Environmental Information Data Centre","organisationIdentifier":"https://ror.org/04xw4m193","role":"publisher","email":"info@eidc.ac.uk"},{"familyName":"Brereton","givenName":"Tom","organisationName":"Butterfly Conservation","role":"pointOfContact","email":"tbrereton@butterfly-conservation.org","fullName":"Brereton, T.","pointOfContact":"Butterfly Conservation"}],"spatialReferenceSystems":[{"code":"http://www.opengis.net/def/crs/EPSG/0/27700","title":"OSGB 1936 / British National 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Environment Research Council","code":"copyright"},{"value":"© Joint Nature Conservation Committee","code":"copyright"},{"value":"Contains UK Butterfly Monitoring Scheme (UKBMS) data © copyright and database right Butterfly Conservation, the Centre for Ecology & Hydrology, British Trust for Ornithology, and the Joint Nature Conservation Committee.","code":"otherRestrictions"}]}