Study

Amphibian mitigation measures on Hungarian roads: design, efficiency, problems and possible improvement, need for a co-ordinated European environmental education strategy

  • Published source details Puky M. & Vogel Z. (2003) Amphibian mitigation measures on Hungarian roads: design, efficiency, problems and possible improvement, need for a co-ordinated European environmental education strategy. International Conference on Habitat Fragmentation due to Transportation Infrastructure, IENE, Brussels,

Actions

This study is summarised as evidence for the following.

Action Category

Install culverts or tunnels as road crossings

Action Link
Amphibian Conservation
  1. Install culverts or tunnels as road crossings

    A replicated study in 1998 of 38 amphibian tunnels at 16 sites, two game bridges and five game passages in northern Hungary (Puky & Vogel 2003) found that 11 amphibian species used the passageways. Some of the passageways were used successfully and others had efficiency below 25%. Problems were considered to include improper design, gaps between the fence and entrance and lack of fencing or maintenance. Population estimates suggested that the mitigation measures helped 1 million to 5 million amphibians across roads annually. Tunnels were circular or square, made of concrete or metal and had diameters of 0.6–1.0 m. Concrete or mesh fences (0.5–0.7 m high) were present in 80% of cases. Day and night road transects were undertaken during spring and summer to count live and dead amphibians. Population sizes in neighbouring habitats were estimated using visual encounter surveys, torching and netting, acoustic surveys and transect counts.

     

Output references

What Works in Conservation

What Works in Conservation provides expert assessments of the effectiveness of actions, based on summarised evidence, in synopses. Subjects covered so far include amphibians, birds, terrestrial mammals, forests, peatland and control of freshwater invasive species. More are in progress.

More about What Works in Conservation

Download free PDF or purchase
The Conservation Evidence Journal

The Conservation Evidence Journal

An online, free to publish in, open-access journal publishing results from research and projects that test the effectiveness of conservation actions.

Read the latest volume: Volume 18

Go to the CE Journal

Discover more on our blog

Our blog contains the latest news and updates from the Conservation Evidence team, the Conservation Evidence Journal, and our global partners in evidence-based conservation.


Who uses Conservation Evidence?

Meet some of the evidence champions

Endangered Landscape Programme Red List Champion - Arc Kent Wildlife Trust The Rufford Foundation Save the Frogs - Ghana Bern wood Supporting Conservation Leaders National Biodiversity Network Sustainability Dashboard Frog Life The international journey of Conservation - Oryx British trust for ornithology Cool Farm Alliance UNEP AWFA Butterfly Conservation People trust for endangered species Vincet Wildlife Trust