Table 3. Estimated number of amphibians killed per night along the studied road sections before and after mitigation, separated between mitigated and adjacent non-mitigated sections.

Section	Before	After	Δ
Site 1. Skårby
Mitigated	228	10	−218
Non-mitigated	91	60	−31
Total	319	70	−249
Site 2. Kyrksjölöten
Mitigated	32.2	7.1	−25.1
Non-mitigated	9.9	43.1	+33.3
Total	42.1	48.1	+8.2
Site 3. Skeppdalsström
Mitigated	25.3	0	−25.3
Non-mitigated	8.4	9.0	+0.6
Total	33.7	9.0	−24.7

Note:

Data were standardized to allow comparisons within and among sites; see text for further explanation.