Official Statistics
Point of first release for statistics on abundance of UK butterflies (2021 publication; includes data up to 2020)
Trends of population indices for UK butterflies.
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Trends of UK butterfly species are based on results of the UK Butterfly Monitoring Scheme (UKBMS), presented at UK level, and at country level where there are sufficient data. The UKBMS helps the UK to implement or report on country biodiversity strategies and feed into biodiversity indicators.
The UK Butterfly Monitoring Scheme is organized and funded by Butterfly Conservation, the UK Centre for Ecology and Hydrology, British Trust for Ornithology, and the Joint Nature Conservation Committee. The UKBMS is indebted to all volunteers who contribute data to the scheme.
Published 26 March 2021