| 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) | 721 | 268 | 248 | 17 | 262 | 98% |
| Medium (chequerboard low priority) | 738 | 270 | 36 | 7 | 43 | 16% |
| Low (coastal tetrads) | 150 | . | 0 | 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) | 721 | 268 | 258 | 16 | 264 | 99% |
| Medium (chequerboard low priority) | 738 | 270 | 33 | 13 | 46 | 17% |
| Low (coastal tetrads) | 150 | . | 1 | 0 | . |
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Results generated by SAS® software |
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birdatlas@bto.org |
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