Table 1 Results of counting procedure
From: Monitoring butterflies with an unmanned aerial vehicle: current possibilities and future potentials
Date | Entry | Left | Re-entry | Total count | % Error |
|---|---|---|---|---|---|
04.06.2015 | 87 | 57 | 29 | 58 | −1.72414 |
10.06.2015 | 15 | 9 | 3 | 12 | −25 |
18.06.2015 | 9 | 7 | 1 | 8 | −12.5 |