CES alerts & population increases

1. CES adults alerts – long term
2. CES adults alerts – 25 years
3. CES adults alerts – 10 years
4. CES adults alerts – 5 years
5. CES adults population increases of >50% – long term

1. Table of alerts for CES adults 1984-2016

Species	Period (yrs)	Plots (n)	Change (%)	Lower limit	Upper limit	Alert	Comment
Willow Warbler	32	89	-74	-80	-67	>50
Willow Tit	32	16	-68	-88	-33	>50	Small sample
Lesser Whitethroat	32	37	-66	-84	-49	>50
Reed Bunting	32	60	-60	-72	-48	>50
Whitethroat	32	64	-49	-63	-25	>25
Sedge Warbler	32	67	-46	-61	-31	>25

2. Table of alerts for CES adults 1991-2016

Species	Period (yrs)	Plots (n)	Change (%)	Lower limit	Upper limit	Alert	Comment
Lesser Whitethroat	25	39	-70	-81	-59	>50
Willow Warbler	25	96	-67	-72	-61	>50
Willow Tit	25	15	-65	-88	-29	>50	Small sample
Greenfinch	25	44	-63	-81	-45	>50
Sedge Warbler	25	75	-52	-61	-45	>50
Reed Bunting	25	66	-46	-61	-30	>25
Chaffinch	25	84	-42	-58	-26	>25
Whitethroat	25	72	-40	-56	-13	>25

3. Table of alerts for CES adults 2006-2016

Species	Period (yrs)	Plots (n)	Change (%)	Lower limit	Upper limit	Alert	Comment
Greenfinch	10	41	-68	-76	-58	>50
Chaffinch	10	77	-49	-57	-43	>25
Lesser Whitethroat	10	34	-27	-43	-6	>25

4. Table of alerts for CES adults 2011-2016

Species	Period (yrs)	Plots (n)	Change (%)	Lower limit	Upper limit	Alert	Comment
Greenfinch	5	36	-49	-63	-36	>25
Whitethroat	5	81	-38	-47	-29	>25
Chaffinch	5	75	-30	-40	-23	>25

5. Table of population increases for CES adults 1984-2016

Species	Period (yrs)	Plots (n)	Change (%)	Lower limit	Upper limit	Alert	Comment
Goldfinch	32	35	65	8	249
Robin	32	95	71	41	112
Wren	32	102	87	59	128
Blackcap	32	94	116	79	167
Chiffchaff	32	78	338	165	681