ArticleScientific reports2018
High Redundancy as well as Complementary Prey Choice Characterize Generalist Predator Food Webs in Agroecosystems.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed.
- Bottom-up and top-down effects combine to drive predator-prey interactions in a forest biodiversity experiment.The Journal of animal ecology · 2025Article
- Strip cropping shows promising increases in ground beetle community diversity compared to monocultures.eLife · 2025Article
- Molecular assessment of food web dynamics identifies critical periods for managing resilience in biological pest control.Ecological applications : a publication of the Ecological Society of America · 2025Article
- Reduced temporal turnover in carabid communities enhances biomass stability in agricultural landscapes.The Journal of animal ecology · 2025Article
- Article
- Diet Diversity of the Fluviatile Masu Salmon,Biology · 2024Article
- Consumer identity but not food availability affects carabid diet in cereal crops.Journal of pest science · 2024Article
- Composition and Food Web Structure of Aphid-Parasitoid Populations on Plum Orchards in Chile.Insects · 2023Article
- Intraguild Predation ofInsects · 2023Article
- Monitoring Arthropods in maize and pasture fields in São Miguel and São Jorge Islands: IPM-Popillia Project.Biodiversity data journal · 2023Article
- Towards Predictions of Interaction Dynamics between Cereal Aphids and Their Natural Enemies: A Review.Insects · 2022Review
- Beyond body size-new traits for new heights in trait-based modelling of predator-prey dynamics.PloS one · 2022Article
- Combining DNA metabarcoding and ecological networks to inform conservation biocontrol by small vertebrate predators.Ecological applications : a publication of the Ecological Society of America · 2021Article
- Inferring species interactions from ecological survey data: A mechanistic approach to predict quantitative food webs of seed feeding by carabid beetles.Ecology and evolution · 2021Article
- Drought has negative consequences on aphid fitness and plant vigor: Insights from a meta-analysis.Ecology and evolution · 2021Article
- Molecular gut content analysis indicates the inter- and intra-guild predation patterns of spiders in conventionally managed vegetable fields.Ecology and evolution · 2021Article
- Identifying Molecular-Based Trophic Interactions as a Resource for Advanced Integrated Pest Management.Insects · 2021Review
- Fish as predators and prey: DNA-based assessment of their role in food webs.Journal of fish biology · 2021Review
- The resilience of weed seedbank regulation by carabid beetles, at continental scales, to alternative prey.Scientific reports · 2020Article
- Convergent evolution of specialized generalists: Implications for phylogenetic and functional diversity of carabid feeding groups.Ecology and evolution · 2020Article
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Food web structure influences ecosystem functioning and the strength and stability of associated ecosystem services. With their broad diet, generalist predators represent key nodes in the structure of many food webs and they contribute substantially to ecosystem services such as biological pest control. However, until recently it has been difficult to empirically assess food web structure with generalist predators. We utilized DNA-based molecular gut-content analyses to assess the prey use of a set of generalist invertebrate predator species common in temperate agricultural fields. We investigated the degree of specialization of predator-prey food webs at two key stages of the cropping season and analysed the link temperature of different trophic links, to identify non-random predation. We found a low level of specialization in our food webs, and identified warm and cool links which may result from active prey choice or avoidance. We also found a within-season variation in interaction strength between predators and aphid pests which differed among predator species. Our results show a high time-specific functional redundancy of the predator community, but also suggest temporally complementary prey choice due to within-season succession of some predator species.
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