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Strategy for England’s Wildlife and Ecosystem Services, Biodiversity 2020 indicatorsSpecies in the wider countryside: wetlands (i) wintering birds, (ii) wetland birds

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Trends in populations of breeding wetland birds in England (Year)	Wintering birds Wintering All (41 species) Unsmoothed index	Wintering birds Wintering All (41 species) Smoothed index	Wintering birds Wildfowl (22 species) Unsmoothed index	Wintering birds Wildfowl (22 species) Smoothed index	Wintering birds Waders (15 species) Unsmoothed index	Wintering birds Waders (15 species) Smoothed index	year	Wetland birds Unsmoothed index	Wetland All (26 species) Smoothed index	Wetland All (26 species) Smoothed index lower 95% confidence interval	Wetland All (26 species) Smoothed index upper 95% confidence interval	Reedbeds (4 species) Unsmoothed index	Reedbeds (4 species) Smoothed index	Wetmeadow (8 species) Unsmoothed index	Wetmeadow (8 species) Smoothed index	Fastflow (4 species) Unsmoothed index	Fastflow (4 species) Smoothed index	Slowstand (6 species) Unsmoothed index	Slowstand (6 species) Smoothed index
1975-1976	100	100	100	100	100	100	1975	100	100	100	100	100	100	100	100	100	100	100	100
1976-1977	100	101	102	104	96	97	1976	102	103	100	106	104	110	90	100	91	95	119	109
1977-1978	94	104	94	109	95	96	1977	108	104	99	109	123	113	100	102	85	90	130	115
1978-1979	109	107	122	115	92	96	1978	98	103	96	109	93	110	103	104	83	85	114	118