"in the project LimnoScenES "Developing improved social-ecological
scenarios for biodiversity and ecosystem service changes in north
temperate freshwater ecosystems over the next half century", there is an
open postdoc position you might be interested in.
https://www.uni-osnabrueck.de/universitaet/stellenangebote/stellenangebote_detail/160_fb_6_postdoc.html
Since much of the work will be in German, the job vacancy is also
written in German. The application deadline is already on thursday"