Marine phytoplankton are responsible for half of the global net primary production and perform multiple other ecological functions and services of the global ocean. These photosynthetic organisms comprise more than 4300 marine species, but their biogeographic patterns and the resulting species diversity are poorly known, mostly owing to severe data limitations. Here, we compile, synthesize, and harmonize marine phytoplankton occurrence ...

The here presented dataset is based on a survey that was conducted with Swiss cherry growers in 2017 and 2018, with the specific aim to identify risk management strategies taken in response to Drosophila suzukii as well as to survey perceived infestation levels and harvest losses.