Making the impassable possible
  	Posted by: 
	Katherine Causer, Posted on: 
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  Categories: 
  Fisheries and biodiversity, Uncategorized, Water
     
  It’s 15 years since I first filmed a poignant video of salmon trying to negotiate a weir on the lower reaches of the River Bollin, in Cheshire, during the breeding season. Salmon disappeared from the Bollin nearly two centuries ago …
 
                