| 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) | 460 | 171 | 167 | 5 | 170 | 99% |
| Medium (chequerboard low priority) | 408 | 147 | 77 | 12 | 89 | 61% |
| Low (coastal tetrads) | 69 | . | 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) | 460 | 171 | 166 | 8 | 171 | 100% |
| Medium (chequerboard low priority) | 408 | 147 | 59 | 14 | 73 | 50% |
| Low (coastal tetrads) | 69 | . | 0 | 0 | . |
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Results generated by SAS® software |
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birdatlas@bto.org |
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