Bumblebee colonies (IMAGE) University of Göttingen Caption Experimental set-up: two bumblebee colonies each were placed in the centre of the study landscapes and the reproductive success as well as the pollen input were investigated. Credit S Schweiger Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.