Fig 4. Associations between local parameters and residue occurrence of anticoagulant rodenticides (ARs).
Relations between residue occurrence (y-axis [%]) in red fox (Vulpes vulpes) livers and livestock density as well as the percentage of urban area per district in Germany (N = 14) are displayed for pooled anticoagulants (AR; any of all eight analyzed ARs), brodifacoum (BR), bromadiolone (BM), difenacoum (DN) and flocoumafen (F). Lines represent model predictions. Significant associations are marked with *.
