This might not be your idea of fun but the Defra website is currently churning out colossal amounts of documentation on Brexit related matters both in terms of advice re No deal as well as detailed amendments re the Withdrawal Bill to pretty much every aspect of environmental & marine legislation. Three examples: 

The Marine Environment (Amendment) (EU Exit) Regulations 2018

This instrument is made in exercise of the powers conferred by section 8(1) of, and paragraph 21 of Schedule 7 to, the European Union (Withdrawal) Act 2018 in order to ensure that UK and EU legislation relating to the marine environment, in particular marine strategy, will continue to be operable after the UK leaves the EU. 

Fishing industry encouraged to get ready for EU catch certificates in the event of a no deal

Advice on preparing for the introduction of catch certificates part of contingency planning – Click here to read more

Commercial fishing and marketing of seafood if there’s no Brexit deal

What the fishing, seafood and aquaculture industries need to do to prepare for rules and processes that will apply if the UK leaves the EU with no deal. Click here to read more