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7. Appendix – Summary tables of changes in
population size and breeding performance
 
7.1 Tables of alerts and population increases from CBC
1a. CBC/BBS UK alerts – 38 years
1b. CBC/BBS England alerts – 38 years
2a. CBC/BBS UK alerts – 25 years
2b. CBC/BBS England alerts – 25 years
3a. CBC/BBS UK alerts – 10 years
3b. CBC/BBS England alerts – 10 years
4a. CBC/BBS UK alerts – 5 years
4b. CBC/BBS England alerts – 5 years
5a. CBC/BBS UK population increases of >50% – 38 years
5b. CBC/BBS England population increases of >50% – 38 years
   
7.2 Tables of alerts and population increases from WBS
1. WBS alerts – 30 years
2. WBS alerts – 25 years
3. WBS alerts – 10 years
4. WBS alerts – 5 years
5. WBS population increases of >50% – 30 years
   
7.3 Tables of alerts and population increases from CES
1. CES adults alerts – 21 years
2. CES adults alerts – 10 years
3. CES adults alerts – 5 years
4. CES adults population increases of >50% – 21 years
   
7.4 Tables of population declines and increases from BBS
1. BBS – UK population declines
2. BBS – England population declines
3. BBS – Scotland population declines
4. BBS – Wales population declines
5. BBS – UK population increases of >50%
6. BBS – England population increases of >50%
7. BBS – Scotland population increases of >50%
8. BBS – Wales population increases of >50%
9. BBS – Northern Ireland population increases of >50%
 
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This report should be cited as:
Baillie, S.R., Marchant, J.H., Crick, H.Q.P., Noble, D.G., Balmer, D.E., Barimore, C., Coombes, R.H.,
Downie, I.S., Freeman, S.N., Joys, A.C., Leech, D.I., Raven, M.J., Robinson, R.A. & Thewlis, R.M. (2007)
Breeding Birds in the Wider Countryside: their conservation status 2007.
BTO Research Report No. 487. BTO, Thetford. (http://www.bto.org/birdtrends)

Pages maintained by Susan Waghorn and Iain Downie: Last updated 7 November, 2008