Ulrich Claussen

Overview of eutrophication indicators to assess environmental status within the European Marine Strategy Framework Directive

J.G. Ferreira, Jesper H. Andersen, Ángel Borja et al. · Estuarine Coastal and Shelf Science · 2011 · 490 citations

Eutrophication Indicators, Environmental Indicator, Marine Resource +9

Nutrient criteria for surface waters under the European Water Framework Directive: Current state-of-the-art, challenges and future outlook

Sandra Poikāne, Martyn Kelly, Fuensanta Salas et al. · The Science of The Total Environment · 2019 · 222 citations · Full text

Getting the measure of eutrophication in the Baltic Sea: towards improved assessment principles and methods

Jesper H. Andersen, Philip Axe, Hermanni Backer et al. · Biogeochemistry · 2010 · 118 citations · Full text

Kratom alkaloids and O-desmethyltramadol in urine of a “Krypton” herbal mixture consumer

Torsten Arndt, Ulrich Claussen, B. Güssregen et al. · Forensic Science International · 2010 · 102 citations

Kratom Alkaloids, Medicine, Herbal Medicine +8

Assessment of the eutrophication status of transitional, coastal and marine waters within OSPAR

Ulrich Claussen, Wanda Zevenboom, Uwe Brockmann et al. · Hydrobiologia · 2009 · 60 citations

Coastal Management, Eutrophication, Engineering +9