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Distance functions of carabids in crop fields depend on functional traits, crop type and adjacent habitat: a synthesis

Boetzl, Fabian A.; Sponsler, Douglas; Albrecht, Matthias; Batáry, Péter; Birkhofer, Klaus; Knapp, Michael; Krauss, Jochen; Maas, Bea; Martin, Emily A.; Sirami, Clélia; Sutter, Louis; Bertrand, Colette; Bosem Baillod, Aliette; Bota, Gerard; Bretagnolle, Vincent; Brotons, Lluis; Frank, Thomas; Fusser, Moritz; Giralt, David; González, Ezequiel; Hof, Anouschka R.; Luka, Henryk; Marrec, Ronan; Nash, Michael A.; Ng, Katharina; Plantegenest, Manuel; Poulin, Brigitte; Siriwardena, Gavin M.; Tscharntke, Teja; Tschumi, Matthias; Vialatte, Aude; Van Vooren, Laura; Zubair-Anjum, Muhammad; Entling, Martin H.; Steffan-Dewenter, Ingolf and Schirmel, Jens (2024) Distance functions of carabids in crop fields depend on functional traits, crop type and adjacent habitat: a synthesis. Proceedings of the Royal Society B, 291 (2014), pp. 1-10.

[thumbnail of Boetzl-etal-2024-ProceedingsRoyalSocietyB-Vol291-Issue2014-p1-10.pdf] PDF - English
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Document available online at: https://royalsocietypublishing.org/doi/10.1098/rspb.2023.2383


Natural pest and weed regulation are essential for agricultural production, but the spatial distribution of natural enemies within crop fields and its drivers are mostly unknown. Using 28 datasets comprising 1204 study sites across eight Western and Central European countries, we performed a quantitative synthesis of carabid richness, activity densities and functional traits in relation to field edges (i.e. distance functions). We show that distance functions of carabids strongly depend on carabid functional traits, crop type and, to a lesser extent, adjacent non-crop habitats. Richness of both carnivores and granivores, and activity densities of small and granivorous species decreased towards field interiors, whereas the densities of large species increased. We found strong distance decays in maize and vegetables whereas richness and densities remained more stable in cereals, oilseed crops and legumes. We conclude that carabid assemblages in agricultural landscapes are driven by the complex interplay of crop types, adjacent non-crop habitats and further landscape parameters with great potential for targeted agroecological management. In particular, our synthesis indicates that a higher edge–interior ratio can counter the distance decay of carabid richness per field and thus likely benefits natural pest and weed regulation, hence contributing to agricultural sustainability.

EPrint Type:Journal paper
Keywords:natural enemies, plant protection, weed control, organic agriculture, biodiversity, sustainability, Abacus, FiBL25095
Agrovoc keywords:
natural enemies
pest management
weed control
alternative agriculture
Subjects: Environmental aspects > Biodiversity and ecosystem services
Crop husbandry > Crop health, quality, protection
Crop husbandry > Weed management
Research affiliation: Spain > CSIC (Spanish National Research Council)
Austria > University of Vienna
Switzerland > Agroscope > ART - Reckenholz location
Switzerland > FiBL - Research Institute of Organic Agriculture Switzerland > Sustainability > Nature conservation
Switzerland > FiBL - Research Institute of Organic Agriculture Switzerland > Sustainability > Agroecology
Czech Republic > Czech University of Life Sciences (CZU)
Germany > University of Gießen
Spain > Other organizations Spain
France > INRAe - Institut national de recherche pour l’agriculture, l’alimentation et l’environnement
France > Other organizations France
Hungary > Other organizations Hungary
Sweden > University of Uppsala
Netherlands > Wageningen University & Research (WUR)
Germany > Other organizations Germany
Australia > Other organizations Australia
Related Links:https://www.fibl.org/en/themes/projectdatabase/projectitem/project/1999
Deposited By: Forschungsinstitut für biologischen Landbau, FiBL
ID Code:52393
Deposited On:15 Jan 2024 08:23
Last Modified:15 Jan 2024 08:32
Document Language:English
Refereed:Peer-reviewed and accepted

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