Butterfly Conservation
Saving butterflies, moths and our environment
Hampshire and
Isle of Wight Branch

Transect 25-year Trends

A series of graphs showing the 25 year Annual Index trends for all Hampshire & Isle of Wight species, except Essex Skipper and Glanville Fritillary, for which there is currently insufficient data. The graphs show long-term Hants & Isle of Wight trends compared with national trends, and including graphs with trend lines and linear regression coefficients. For some species, individual site trends are also shown.

Posted by Andy & Linda Barker (Transect Co-ordinators)

25-Year Trend graphs (1992-2016) May 2017


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