Dr John Koehn is an internationally recognized freshwater fish ecologist with over forty years’ experience. For most of this time was a Principal Research Scientist at the Arthur Rylah Institute for Environmental Research (Victorian Government), where he remains an Honorary Fellow and is also an Adjunct Professor at Charles Sturt University. He has undertaken a wide range of research involving native fishes, their ecology, threats to them and their habits, and restoration of their populations. This work has resulted in over 300 scientific publications and honored with several awards. He has been a member of Ministerial committees, many national recovery teams and advisory/expert panels and provided professional advice to Commonwealth, State and New Zealand research and management agencies.
Jan 24, 2023 05:39 am UTC| Nature
With widespread La Niña flooding in the Murray-Darling Basin, common carp (Cyprinus carpio) populations are having a boom year. Videos of writhing masses of both adult and young fish illustrate that all is not well...