Monitoring Butterflies For Ecology And Conserva... -

Guidelines for Standardised Global Butterfly Monitoring - GEO BON

Furthermore, as soon as a butterfly monitoring scheme starts up in your country or region, your data will be made available to it. European Butterfly Monitoring Scheme Monitoring butterflies for ecology and conserva...

Ideally, counts should happen weekly during the flight season (at least 10 times per year). The most common method, developed by Ernie Pollard in 1973

They are vital pollinators and a key food source for birds, bats, and other wildlife. This is ideal for remote areas or urban

The most common method, developed by Ernie Pollard in 1973. Recorders walk a fixed route (typically 1km) at a constant pace, counting all butterflies seen within an imaginary "counting box" (5m wide, 5m high, and 5m ahead).

A more flexible approach where recorders list all species seen in a specific area over 15 minutes. This is ideal for remote areas or urban parks where a full transect might not be feasible.

Global initiatives like the European Butterfly Monitoring Scheme (eBMS) and the UK Butterfly Monitoring Scheme rely on thousands of volunteers. This data informs policy, tracks species declines (like the 30% drop in European grassland butterflies since 1990), and directs habitat restoration efforts. Butterfly Transect Counts