Longtown weir demolished to help endangered eels

by | Jul 17, 2026 | Science

News summary produced by Claude AI

West Cumbria Rivers Trust has begun removing a redundant weir at Glinger Burn near Longtown as part of a conservation initiative aimed at improving river passage for endangered fish species. The £50,000 project, funded by the Environment Agency, will take approximately two weeks to complete and represents the first of several planned restoration efforts for the organization this summer.

European eels have experienced a dramatic 90% population decline over the past three decades, according to the environmental charity. The weir has posed a particular obstacle for the species, as eels attempting to leap over the structure often struggle when water levels drop, risking injury in the process. While heavy winter flows sometimes allow the creatures to pass, most conditions make traversal difficult.

Following the demolition phase, the site will be restructured to be more conducive to fish movement. The trust plans to construct a series of natural step pools that will replace the barrier and create additional habitats while enabling migration and spawning activities. Luke Bryant, assistant director of the trust, explained that this approach achieves a balance between a healthy river ecosystem and the removal of physical obstacles that restrict species movement.

Bryant indicated that the weir removal forms part of a broader strategy to address factors affecting multiple species, including salmon and trout populations. He noted that similar restoration work being undertaken by river trusts across the country could significantly improve the resilience of fish populations within British waterways.

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