A comparison of national approaches to setting ecological status boundaries in phytobenthos assessment for the European Water Framework Directive: results of an intercalibration exercise

Martyn Kelly; Cathy Bennett; Michel Coste; Cristina Delgado; François Delmas; Luc Denys; Luc Ector; Claude Fauville; Martial Ferréol; Malgorzata Golub; Amelie Jarlman; Maria Kahlert; John Lucey; Bernadette Ní Chatháin; Isabel Pardo; Peter Pfister; Joanna Picinska-Faltynowicz; Juliette Rosebery; Christine Schranz; Jochen Schaumburg; Herman van Dam; Sirje Vilbaste