LeaCatchment Hertfordshire is home to one of the world's rarest habitats - the #chalkstream ! Celebrate the special wildlife the… https://t.co/YD07gsUJM3

LeaCatchment @amwellmagna Looking forward to seeing the #RiverLea transformation @amwellmagna after the restorations are complet… https://t.co/PZUfJ00Aap

LeaCatchment Fantastic footage by @37squadron of a "Lady in the Stream" swimming gracefully along the #RiverMimram through… https://t.co/R9DmgekPfO

LeaCatchment A beautiful Brown Trout caught on camera in the #RiverMimram They rely on "gin-clear" unpolluted rivers with grave… https://t.co/P7Dt152ODk

LeaCatchment Find out what's been happening along the #RiverBeane this summer - one of the world's rare chalk streams - by takin… https://t.co/LBc4iJGk4n