Beavers 49 Beaver slides are a tell-tale sign of these rodents. Rodents Beavers prefer to damage maize fields close to water. An electric fence to deter beavers? These rodents are particularly and strictly protected in line with the Federal Nature Conservation law. Beavers are also listed in Annex II of the Habitats Directive, meaning that you must comply with certain protective provisions. Nature conservation authorities, beaver managers and beaver consultants can provide information on the legal requirements and possible support measures for the use of an electric fence as a preventive measure against damage. In many places, the damage caused by beavers is an issue: chewing damage to trees, the construction of beaver dams in sensitive flood areas, the construction of tunnels under fields and dams or even railway lines. In addition, these rodents cause chewing and moisture damage to agricultural crops (food crops, fruit, vegetables, special crops) or even damage to fish farm ponds. Electric fences have been successfully used to ward off beavers for many years now, keeping them away from arable land and gardens and to prevent new or rebuilt beaver dams. We know from practical experience that a 12 V AKO battery unit with a fence voltage of around 3000 to 4000 volts and a pulse energy of 1 Joule to around 4 Joules is sufficient for supplying the power to a two-wire fence. Optimum earthing must be ensured. AKO plastic posts with a total height of 70 cm (with ground nails) at intervals of around 5 m are used to construct the fence. A wooden post is driven in at the corners to be able to tension the wires and insulators screwed in. To prevent the construction of a new dam,
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