Global synthesis of the effectiveness of flower strips and hedgerows on pest control, pollination services and crop yield

Albrecht, Matthias, Kleijn, David, Williams, Neal, Tschumi, Matthias, Blaauw, Brett, Bommarco, Riccardo, Campbell, Alistair, Dainese, Matteo, Drummond, Frank, Entling, Martin, Ganser, Dominik, De Groot, Arjen, Goulson, David, Grab, Heather, Hamilton, Hannah, Herzog, Felix, Isaacs, Rufus, Jacot, Katja, Jeanneret, Philippe, Jonsson, Mattias, Knop, Eva, Kremen, Claire, Landis, Doug, Loeb, Greg, Marini, Lorenzo, McKerchar, Megan, Morandin, Lora, Pfister, Sonja, Potts, Simon, Rundlöf, Maj, Sardiñas, Hillary, Sciligo, Amber, Thies, Carsten, Tscharntke, Teja, Venturini, Eric, Veromann, Eve, Vollhardt, Ines, Wäckers, Felix, Ward, Kimiora, Wilby, Andrew, Woltz, Megan, Wratten, Steve and Sutter, Louis (2020) Global synthesis of the effectiveness of flower strips and hedgerows on pest control, pollination services and crop yield. Ecology Letters. ISSN 1461-023X (Accepted)

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Floral plantings are promoted to foster ecological intensification of agriculture through provisioning of ecosystem services. However, a comprehensive assessment of the effectiveness of different floral plantings, their characteristics and consequences for crop yield across global regions is lacking. Here we quantified the impacts of flower strips and hedgerows on pest control and pollination services in adjacent crops using a global dataset of 529 sites. Flower strips, but not hedgerows, enhanced pest control services in adjacent fields by 16% on average. However, effects on crop pollination and yield were more variable. Our synthesis identifies several important drivers of variability in effectiveness of plantings: pollination services declined exponentially with distance from plantings, and perennial and older flower strips with higher flowering plant diversity enhanced pollination more effectively. These findings provide promising pathways to optimize floral plantings to more effectively contribute to ecosystem service delivery and ecological intensification of agriculture in the future.

Item Type: Article
Schools and Departments: School of Life Sciences > Evolution, Behaviour and Environment
Depositing User: David Goulson
Date Deposited: 23 Jun 2020 13:06
Last Modified: 23 Jun 2020 13:15

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