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    Identification versus counting protocols as sources of uncertainty in diatom-based ecological status assessments

    In 2009, seventeen analysts participated in a pan-European diatom ring-test (intercalibration), analyzing nine samples from seven countries following the European standard EN 14407. The objective of this exerc...

    Maria Kahlert, Martyn Kelly, Raino-Lars Albert, Salomé F. P. Almeida in Hydrobiologia (2012)