Each grid was selected in close vicinity of the nest of F. polyctena in such way that no intersection hit the nest but the closest intersection was close as one meter, the rest of the grid was located upslope of the nest.
Each grid was selected in close vicinity of the nest of F. polyctena in such way that no intersection hit the nest but the closest intersection was close as one meter, the rest of the grid was located upslope of the nest.