South Thames Estuary and Marshes South Thames Estuary and Marshes South Thames Estuary and Marshes is a biological Site of Special Scientific Interest which stretches between Gravesend and the mouth of the River Medway in Kent. Part of it is a Nature Conservation Review site, Grade I, and part is a Royal Society for the Protection of Birds nature reserve. It is part of the Thames Estuary and Marshes Ramsar internationally important wetland site and Special Protection Area under the European Union Directive on the Conservation of Wild Birds. Over 20,000 waterfowl use this site, and some species are present in internationally important numbers. There
River, Estuary and Coastal Observing Network general public. Information disseminated through the website includes concise definitions of water quality parameters measured and how to interpret trends in water quality at high resolution. To maintain data quality control, water samples are collected to validate instrument settings and readings with traditional wet-chemistry methods. Water samples are analyzed by a state-certified Florida Department of Environmental Protection laboratory in Tallahassee, FL. SCCF plans to maintain the observing systems for the next three years or more, depending on funding. River, Estuary and Coastal Observing Network The River, Estuary, and Coastal Observing Network (RECON) is a pioneering waterway observing system founded and