| 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) | 200 | 64 | 62 | 8 | 64 | 100% |
| Medium (chequerboard low priority) | 175 | 56 | 22 | 11 | 33 | 59% |
| 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) | 200 | 64 | 63 | 6 | 64 | 100% |
| Medium (chequerboard low priority) | 175 | 56 | 17 | 0 | 17 | 30% |
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Results generated by SAS® software |
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birdatlas@bto.org |
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