Landscape comparisons (IMAGE) University of Göttingen Caption The restoration of agricultural landscapes for ecosystem services such as pollination and biological pest control needs targeted management to increase structural complexity and heterogeneity. Small fields, diverse crops and at least one-fifth semi-natural areas would be in line with the UN Decade (2021-2030) on ecosystem restoration. Credit Dr Tibor Härtel (right), Professor Teja Tscharntke (left) 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.