http://tyneriverstrust.org/index.php/home/about-the-river/threats/obstructions/23/95-obstructions

Obstructions

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Obstruction weir

Another complication in the management of a migratory fishery is the degree to which the fish can reach all of the potential breeding habitat in the catchment and so boost the recruitment of adults to catch.

Whilst it is a popular site on the Tyne to watch fish jumping up weirs, bridge aprons and other structures there are many obstructions which debar even the strongest swimmer.

The Trust seeks, in partnership with owners and operators of river structures, to modify the flow at these sites, remove the barrier permanently (not so easy!) or equip the structure with a fish pass.