United Kingdom Butterfly Monitoring Scheme annual report 2009

Botham, Marc ORCID: https://orcid.org/0000-0002-5276-1405; Brereton, TM; Middlebrook, I; Cruickshanks, KL; Zannese, A; Roy, David ORCID: https://orcid.org/0000-0002-5147-0331. 2010 United Kingdom Butterfly Monitoring Scheme annual report 2009. Wallingford, JRS, 46pp.

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Abstract/Summary

HIGHLIGHTS • A major milestone was made as the number of sites monitored in 2009 exceeded a thousand, whilst trends were assessed for 53 of the 59 regularly occurring UK species. • Following two of the poorest years on record for butterflies in the UK, most species made some recovery in what turned out to be a mixed year, still ranking below average (23) in the 34- year series. • The year ranked as the second best on record for Painted Lady migration with a huge influx in May/June. • Many expanding species continued to do well, whilst five species produced their highest index of the series – Comma, Green-veined White, Ringlet, Speckled Wood and the habitat specialist, Large Heath. • However, despite a warm, sunny start to the year, much of the butterfly season in July and August was once again characterised by wet weather having an adverse effect on a number of species. • Four species had their worst year with continued declines for some of our most threatened species – Duke of Burgundy, Heath Fritillary, Lulworth Skipper and Wood White. • Other threatened species, as well as some of our commoner species, still produced low indices despite the slight recovery from 2008. • For 47 of the 53 species assessed (89%), the mean flight date was advanced compared with the series average, and for the majority of species which fared better than in 2008, the mean flight date was advanced by 1-2 weeks.

Item Type:	Publication - Report
Programmes:	CEH Topics & Objectives 2009 - 2012 > Biodiversity > BD Topic 1 - Observations, Patterns, and Predictions for Biodiversity > BD - 1.3 - Long-term/large-scale monitoring and experiments ...
UKCEH and CEH Sections/Science Areas:	Pywell
Funders/Sponsors:	defra, Butterfly Conservation, JNCC, CEH
NORA Subject Terms:	Ecology and Environment
Related URLs:	Project Website
Date made live:	04 Nov 2011 10:20 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/15170

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