Difference between revisions of "Skimming walls (fixed or floating)"
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[[category:Downstream fish migration measures]][[category:Measures]] | [[category:Downstream fish migration measures]][[category:Measures]] | ||
| + | =Introduction= | ||
[[file:spawning_gravel_excavator.png|thumb|250px|Figure 3: Excavator placing spawning gravel in a river.]] | [[file:spawning_gravel_excavator.png|thumb|250px|Figure 3: Excavator placing spawning gravel in a river.]] | ||
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=[[Methods, tools, and devices]]= | =[[Methods, tools, and devices]]= | ||
