| Winter tetrad progress |
| Priority | No. of tetrads |
No. needed for minimum coverage (min-8-rule) |
Total no. TTVs (2 visits) |
Total no. TTVs (only 1 visit) |
No. using min-8-rule (1+ visits) |
% of target (1+ visits) |
|---|---|---|---|---|---|---|
| High (tetrads on land) | 759 | 269 | 247 | 32 | 267 | 99% |
| Medium (chequerboard low priority) | 796 | 283 | 63 | 11 | 74 | 26% |
| Low (coastal tetrads) | 144 | . | 1 | 1 | . |
| Breeding season tetrad progress |
| Priority | No. of tetrads |
No. needed for minimum coverage (min-8-rule) |
Total no. TTVs (2 visits) |
Total no. TTVs (only 1 visit) |
No. using min-8-rule (1+ visits) |
% of target (1+ visits) |
|---|---|---|---|---|---|---|
| High (tetrads on land) | 759 | 269 | 250 | 26 | 268 | 100% |
| Medium (chequerboard low priority) | 796 | 283 | 42 | 0 | 42 | 15% |
| Low (coastal tetrads) | 144 | . | 1 | 2 | . |
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Results generated by SAS® software |
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birdatlas@bto.org |
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