The drainage will help disperse excess ground water and a specialist flexible waterproof liner mat will be used to re-line and seal the canal.

BBC: Work starts to repair breached Trent and Mersey Canal

The team checked the responses of seal mothers by recording the number of pup checks made (where the mother raises her head off the ground and moves it in the direction of her young to check their well-being) during a specific time period.

BBC: Seal pup