Abstract
Abstract In order to thank Prof. Dr. Hans-Toni Ratte on the occasion of his retirement for his outstanding experimental and modelling merits in the field of ecotoxicology and ecology and his personal 65th anniversary on November 25th this article will present a laudation.
Highlights
As a junior scientist with a PhD degree in Aquatic Ecology, and hardly no international network in the field of environmental risk assessment, I was honoured with the invitation to present my post-doc research on the ecological impact of the insecticide chlorpyrifos in indoor freshwater microcosms
I considered this meeting as a milestone of my beginning career as aquatic ecotoxicologist. At this German-Dutch meeting, representatives of different stakeholder groups were present, many involved with the environmental risk assessment of pesticides
Within the scientific community it is more and more recognized that the extrapolation of results from laboratory toxicity experiments to complex field communities requires the analysis of the interactions between different trophic levels in ecosystems, which can be done by means of model ecosystems and mechanistic modelling
Summary
Dr Hans Toni Ratte: A pioneer in mechanistic effect modelling and an excellent lecturer. More than 20 years ago, Drs Hans Toni Ratte and Peter Leeuwangh organized a German-Dutch meeting in Ecotoxicology that took place at RWTH Aachen University.
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