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… project is a collaboration between ten partners. Scientists Koos Biesmeijer and Vincent Kalkman lead two work packages, one …

… During the official launch on December 15 at Naturalis, Koos Biesmeijer, Scientific Director, delivered a keynote speech … Eva van der Veer, Director of Collections Naturalis, Koos Biesmeijer, Scientific Director Naturalis, Antoine …

… Bee Census is an initiative of bee experts Prof. Dr. Koos Biesmeijer and Dr. Ing. Vincent Kalkman, both associated … to contribute to the protection of wild bees," said Biesmeijer. The National Bee Count 2022 is on the weekend of …