| 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) | 235 | 83 | 82 | 3 | 80 | 96% |
| Medium (chequerboard low priority) | 219 | 83 | 73 | 6 | 76 | 92% |
| Low (coastal tetrads) | 21 | . | 1 | 0 | . |
| 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) | 235 | 83 | 157 | 6 | 81 | 98% |
| Medium (chequerboard low priority) | 219 | 83 | 139 | 6 | 83 | 100% |
| Low (coastal tetrads) | 21 | . | 5 | 0 | . |
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Results generated by SAS® software |
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birdatlas@bto.org |
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