The EIDC hosts a number of data collections from the UK Centre for Ecology & Hydrology. UKCEH have prepared a number of video guides to help users navigate, access and understand the data.
COSMOS-UK
Data available from https://doi.org/10.5285/399ed9b1-bf59-4d85-9832-ee4d29f49bfb
Countryside survey
Data available from https://catalogue.ceh.ac.uk/documents/2069de82-619d-4751-9904-aec8500d07e6
Thames Initiative
Data available from https://catalogue.ceh.ac.uk/documents/70baf58a-baec-45fb-958a-e6883f7f9f02