Station Number 1 2 3 4 5 6 7 8 9 10 11 12
No. of tortoises initially present 2 2 4 0 5 2 2 2 2 2 2 5
Average no. over 162 days 3.5 4.1 3.6 0.7 4.7 1.0 0.9 1.7 1.8 2.0 0.1 4.0