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Solutions for amphibians

Amphibians are doing poorly, even common species. For example, Dutch populations of the common toad have declined by more than 50% since 2008 (source: toads.nu). Traffic accidents, urbanization and deaths in street gullies contribute to this. And these animals also struggle on construction sites.

Protective measures around construction sites

Placing amphibian and reptile screens at border areas of development sites and migration areas, often around construction sites, (new) construction routes and along roads and levees prevents movement to areas where it is unsafe for the animals (e.g., a road or work site). Animals are thus directed to other locations which prevents them from being injured or killed. Fencing is often combined with trapping methods so that animals can be taken to a safe area. In doing so, the screen ensures that protected animals do not settle on construction sites during the execution of excavation and construction work.

Amphibians in street gullies

It is estimated that about 1 million amphibians end up in street gullies every year. In dry periods, the water in the gullies exerts a strong attraction. The animals then actively seek moist and cool places. They also follow high curbs and then fall down sidewalk or street gullies. Once in the swirl, there is no way out of it. As a result, most amphibians die from drowning, dehydration or lack of food in the gullies. This occurs not only during spring migration, but over a long period from late February to about mid-November

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