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Effectiveness of small road tunnels and fences in reducing amphibian roadkill and barrier effects; case studies of retrofitted roads in Sweden

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Effectiveness of small road tunnels and fences in reducing amphibian - roadkill and barrier effects; case studies of retrofitted roads in Sweden https://t.co/d8m3pFzgs3 I actually encouraged ODOT to work on projects like, while at Ohio EPA.
RT @RichardConniff: Protected road crossings for #amphibians caused a dramatic spike in successful crossings and reduced roadkills by 91-10…
RT @RichardConniff: Protected road crossings for #amphibians caused a dramatic spike in successful crossings and reduced roadkills by 91-10…
46 days ago
RT @RichardConniff: Protected road crossings for #amphibians caused a dramatic spike in successful crossings and reduced roadkills by 91-10…
RT @RichardConniff: Protected road crossings for #amphibians caused a dramatic spike in successful crossings and reduced roadkills by 91-10…
46 days ago
RT @RichardConniff: Protected road crossings for #amphibians caused a dramatic spike in successful crossings and reduced roadkills by 91-10…
RT @RichardConniff: Protected road crossings for #amphibians caused a dramatic spike in successful crossings and reduced roadkills by 91-10…
Protected road crossings for #amphibians caused a dramatic spike in successful crossings and reduced roadkills by 91-100% (pending peer-review) https://t.co/633Fdo9Sgc https://t.co/Tc79hyiN6P
48 days ago
Effectiveness of small road tunnels and fences in reducing amphibian roadkill and barrier effects; case studies of retrofitted roads in Sweden https://t.co/VppVKS0XkR https://t.co/QVRKvX6Fhu
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Supplemental Information

Detailed description of study sites and field methods

DOI: 10.7287/peerj.preprints.27530v2/supp-1

Additional Information

Competing Interests

Silviu O Petrovan is non-paid trustee (board of directors) of Froglife, a charity (non-profit) NGO.

Author Contributions

Jan Olof Helldin conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, prepared figures and/or tables, authored or reviewed drafts of the paper, approved the final draft.

Silviu O Petrovan analyzed the data, contributed reagents/materials/analysis tools, authored or reviewed drafts of the paper, approved the final draft.

Data Deposition

The following information was supplied regarding data availability:

Raw data are presented in technical reports according to URLs provided in the Main article and the Supplementary article 1.

Funding

The analysis and writing of this article was conducted within research funding from the Swedish Transport Administration (project TRIEKOL, TRV2016/50073). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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