Trends in butterfly species, UK 1976 to 2016 data

Trends in populations of selected butterfly species - UK

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C6. Insects of the wider countryside (butterflies)
Trends in butterfly populations in the UK
Index (1976 = 100)
Year	Species of the wider countryside (24 species)				Habitat specialists (26 species)
	Unsmoothed	Smoothed	Smoothed index lower 95% confidence interval	Smoothed index upper 95% confidence interval	Unsmoothed	Smoothed	Smoothed index lower 95% confidence interval	Smoothed index upper 95% confidence interval

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