Common Standards Monitoring of Nationally Important Cave Invertebrate Assemblages in Ogof Draenen and Ogof FFynnon Ddu, 2023 and 2024

The report for a recent survey of cave invertebrate assemblages (including several hypogean Crustacea species), contracted by Natural Resources Wales, in two major cave systems in South Wales. This project will potentially form the basis for future monitoring of cave invertebrate assemblages across Wales.