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7. Appendices– Summary tables of changes in
population size and breeding performance

 
7.1 Tables of alerts and population increases from CBC/BBS
1a. CBC/BBS UK alerts – 41 years
1b. CBC/BBS England alerts – 41 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% – 41 years
5b. CBC/BBS England population increases of >50% – 41 years
 
7.2 Tables of alerts and population increases from WBS/WBBS
1. WBS/WBBS alerts – 33 years
2. WBS/WBBS alerts – 25 years
3. WBS/WBBS alerts – 10 years
4. WBS/WBBS alerts – 5 years
5. WBS/WBBS population increases of >50% – 33 years
 
7.3 Tables of alerts and population increases from CES
1. CES adults alerts – 24 years
2. CES adults alerts – 10 years
3. CES adults alerts – 5 years
4. CES adults population increases of >50% – 24 years
 
7.4 Tables of population declines and increases from BBS
1. BBS – UK alerts – 13 years
2. BBS – England alerts – 13 years
3. BBS – Scotland alerts – 13 years
4. BBS – Wales alerts – 13 years
5. BBS – Northern Ireland alerts – 13 years
6. BBS – UK alerts – 10 years
7. BBS – England alerts – 10 years
8. BBS – Scotland alerts – 10 years
9. BBS – Wales alerts – 10 years
10. BBS – Northern Ireland alerts – 10 years
11. BBS – UK alert – 5 years
12. BBS – England alerts – 5 years
13. BBS – Scotland alerts – 5 years
14. BBS – Wales alerts – 5 years
15. BBS – Northern Ireland alerts – 5 years
16. BBS – UK population increases of >50%
17. BBS – England population increases of >50%
18. BBS – Scotland population increases of >50%
19. BBS – Wales population increases of >50%
20. BBS – Northern Ireland population increases of >50%
 
7.5 Tables of breeding performance
1. Clutch size
2. Brood size
3. Egg-stage nest failure rate
4. Chick-stage nest failure rate
 
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This report should be cited as: Baillie, S.R., Marchant, J.H., Leech, D.I., Renwick, A.R., Joys, A.C., Noble, D.G., Barimore, C., Conway, G.J., Downie, I.S., Risely, K. & Robinson, R.A. (2010). Breeding Birds in the Wider Countryside: their conservation status 2010. BTO Research Report No. 565. BTO, Thetford. (http://www.bto.org/birdtrends)

Pages maintained by Iain Downie, Mandy T Andrews and Laura Smith: Last updated 21.10.2010