2025 The Environment Agency (EA) Data for the UK Marine Strategy Article 8 biodiversity assessment: Condition of intertidal rocky shore macroalgae (seaweed) communities in coastal waters determined using Water Environment Regulations methods

Water Environment (Water Framework Directive) Regulations River Basin Management Plan Cycle 3 intertidal rocky shore macroalgal index classification data used for the UK Marine Strategy Article 8 biodiversity assessments for the UK Regional Seas. The WER rocky shore macroalgae method statement and classification tool (‘Precision In Rocky Shores_PIRATES_v04_UKTAG.xls’) used to calculate WER Ecological Quality Ratios are available at http://www.wfduk.org/resources%20/coastal-waters-rocky-shore-macroalgae. Project coordinated by the Environment Agency and Joint Nature Conservation Committee. River Basin Management Plan Cycle 3 rocky shore macroalgae data held by the relevant WER Agency.