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Remediation of migratory barriers in Nordic/fennoscandian watercourses (ReMiBar)
Date du début: 1 sept. 2011, Date de fin: 31 déc. 2016,
Background
There are a huge number of migratory barriers in the rivers of northern Sweden, primarily consisting of road infrastructure and dams to facilitate the floating of logs by the forestry industry. Inventories show that approximately 30-50% of all culverts are migratory barriers and it is estimated that some 5 000 to 8 000 culverts within valuable ...
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