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L'înformâtion et les sèrvices publyis pouor I'Île dé Jèrri

Butterfly monitoring scheme

Butterfly wings are actually transparent. The iridescent scales which overlap like shingles on a roof give the wings the colours that we see.

At least 49 species of butterflies have been recorded in Jersey. Around 26 of these can be expected to be encountered every year. The 28 species which are seen nearly every year are thought to be historically resident which include regular migrants that breed here like the Clouded Yellow, Red Admiral and Painted Lady.

Butterfly monitoring scheme

In 2004 the States of Jersey Environment Division launched the Jersey Butterfly Monitoring Scheme (JBMS). The scheme forms part of the division’s integrated monitoring programme for Jersey in order to carry out 'State of the Environment Monitoring’.

Volunteer records

The JBMS uses the same methodology used in the UK Butterfly Monitoring Scheme. The scheme is financed by the States of Jersey but is almost entirely based on volunteer recorders, making it highly cost-effective. The JBMS has benefited greatly from close collaboration with Butterfly Conservation (BC).

Primary aims

The primary aims of the scheme are to: 

  • provide information at local levels on changes in the abundance of butterfly species
  • detect trends which may indicate changes in their status
  • provide a reliable long-term reference against which population changes in species studied elsewhere on individual sites, or in other countries, can be monitored
  • monitor changes at individual sites
  • assess the impact of local factors such as habitat change caused by management
  • provide information on aspects of the population ecology and phenology of individual species, both in relation to the effect of environmental changes (including climate change) and as a contribution to butterfly ecology

Download butterfly monitoring scheme form 2014 (size 344kb)

Download butterfly monitoring calendar 2014 (size 16kb)

Download butterfly habitat classification form 2014 (size 340kb)

Download butterfly volunteer working agreement 2014 (size 166kb)

Further information

If you would like any further details about our scheme or would like to become a volunteer, please contact us.

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