| 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) | 123 | 48 | 49 | 0 | 47 | 98% |
| Medium (chequerboard low priority) | 100 | 41 | 14 | 4 | 18 | 44% |
| Low (coastal tetrads) | 20 | . | 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) | 123 | 48 | 47 | 1 | 48 | 100% |
| Medium (chequerboard low priority) | 100 | 41 | 12 | 4 | 12 | 29% |
| Low (coastal tetrads) | 20 | . | 0 | 0 | . |
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Results generated by SAS® software |
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birdatlas@bto.org |
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