The Framework Document sets out the purpose and responsibilities of Cefas and our relationships with Defra and other bodies Cefas, an Executive Agency of the Department for Environment, Food and Rural Affairs, is an internationally recognised centre of excellence for research, assessment and advice on fisheries management, aquaculture and environment protection Cefas makes an important contribution to securing healthy and sustainable marine and freshwater environments so that current and future generations can prosper Cefas is an executive agency of the UK government's Department for Environment We support this by collecting, managing and interpreting environmental, biodiversity and fisheries data