On April 24, a team from Serica Energy spent a hands-on day with The River Dee Trust, supporting efforts to protect one of the river’s most remarkable yet little-understood residents, the critically endangered European eel.
This species is believed to have declined by as much as 90% over the last three decades.
A vital part of the freshwater ecosystem providing a key food source for iconic riverside wildlife such as otters, herons and ospreys, the European eel remains one of nature’s great mysteries.
Eels undertake an extraordinary migration of around 4,000 miles from the Sargasso Sea (near the Bermuda Triangle) to reach rivers like the Dee, navigating a host of obstacles including dams, weirs, and waterfalls in the final stages of their journey.
Keilidh Ewan, Education Officer at the River Dee Trust, explains: “That’s where eel ropes come in. Constructed from sustainable, biodegradable materials such as straw and twine, and made using traditional twisting techniques, they are deployed at key sites across the River Dee catchment.
“Elvers (juvenile eels) are excellent climbers, and eel ropes help them bypass barriers that would otherwise block their migration to nursery habitats. By moving through the straw, they also gain some protection from predators such as birds and mammals.”
Claire Fleming, Engagement Officer at the River Dee Trust, said: “It’s been fantastic to welcome Serica back for a third-year volunteering as River Dee Guardians, and this was their first opportunity to build eel ropes. It’s a great team activity, and it was wonderful to meet new members of the growing Serica team.
“Their enthusiasm was evident from start to finish, from constructing the ropes to deploying them on the Coy and Leuchar Burns. We’ll now monitor the ropes for signs of eel migration and keep volunteers updated.
“We’re looking forward to having the team back over the summer to help tackle invasive plant species along the river.”
Johnny Pike, Senior ESG Analyst at Serica Energy, added: “It was great to be out and about on the River Dee and its tributaries with the River Dee Guardians again. We always learn so much from the team about the natural habitat around us and the threats it faces. A really great day out for normally office-bound folks, so thank you.”
To learn more about how your organisation can enjoy exciting volunteering activities and support the award-winning conservation and restoration work of the River Dee Trust, contact claire@riverdee.org or visit www.riverdeetrust.org.uk.