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Distribution of ecosystem services within oilseed rape fields : Effects of field defects on pest and weed seed predation rates

2020-03Journal article Restricted access
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dc.contributor.authorGonzález, Ezequiel
dc.contributor.authorSeidl, Miroslav
dc.contributor.authorKadlec, Tomáš
dc.contributor.authorFerrante, Marco
dc.contributor.authorKnapp, Michal
dc.date.accessioned2021-05-21T11:17:19Z
dc.date.available2021-05-21T11:17:19Z
dc.date.issued2020-03
dc.description.abstractFrequent extreme weather events, which jeopardize agriculture by affecting crop health, characterize the ongoing climate change. Temporary patches where sown plants are poorly developed (hereafter “field defects”) are likely to increase with climate change and can be colonized by other plant species. Although perennial non-crop habitats can act as refuges for beneficial insects in agricultural landscapes and increase ecosystem services (ESs) in neighbouring arable fields, the relevance of field defects is unknown. Here, we quantified two ESs (pest and weed seed predation) in field defects within oilseed rape crops and related the ES levels with the activity-density of ground beetles and temperature. In 10 fields, we used artificial caterpillars made of plasticine and seed cards of two weed species (Taraxacum sp. and Stellaria sp.) to quantify the ESs in two sampling periods (spring and summer) and three habitat types: field defects, crops grown in standard conditions (field interiors) and crop-defect boundaries. Ground beetles were sampled using pitfall traps and classified into feeding guilds and body-size classes. Insects and mammals were the main pest predators, and predation increased in summer but did not differ among habitats. Seed predation rates for both species were significantly higher in summer. Predation upon Taraxacum seeds was higher in the field interiors, whereas the predation rate upon Stellaria seeds was significantly higher in the field interiors and defects compared to that in the crop-defect boundaries. The predation rate by insects increased with the activity-density of the medium- and large-sized carnivorous carabids, whereas the seed predation rate for both weed species was positively related to the activity-density of medium-sized herbivorous carabids. Finally, the mean and maximum temperatures were negatively linked to the predation rates on artificial caterpillars and seeds of Taraxacum, respectively. Our results suggest that these ephemeral habitats are not related to a strong decrease in ecosystem services; thus, field defects may not cause substantial changes in ES provisioning. We confirmed that ground beetles are important providers of both investigated ESs and showed that microclimatic conditions might play an important role in the regulation of ESs in agroecosystems.en
dc.description.sponsorshipGrant Agency of the Czech Republic (18-26542S); Faculty of Environmental Sciences, Czech University of Life Sciences Prague (IGA) (42110/1312/3118)pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationGonzález, E., Seidl, M., Kadlec, T., Ferrante, M. & Knapp, M. (2020). Distribution of ecosystem services within oilseed rape fields: effects of field defects on pest and weed seed predation rates. "Agriculture, Ecosystems & Environment", 295, 1-9. DOI:10.1016/j.agee.2020.106894en
dc.identifier.doi10.1016/j.agee.2020.106894pt_PT
dc.identifier.issn0167-8809
dc.identifier.urihttp://hdl.handle.net/10400.3/5929
dc.identifier.wos000527595400012
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S0167880920300797?viaihubpt_PT
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/pt_PT
dc.subjectBiological Controlen
dc.subjectEphemeral Habitatsen
dc.subjectGround Beetlesen
dc.subjectNon-Crop Habitatsen
dc.subjectOilseed Rapeen
dc.subjectSeed Cardsen
dc.subjectSentinel Preyen
dc.titleDistribution of ecosystem services within oilseed rape fields : Effects of field defects on pest and weed seed predation ratesen
dc.typejournal article
dspace.entity.typePublication
oaire.citation.conferencePlaceNetherlandsen
oaire.citation.endPage9pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleAgriculture, Ecosystems & Environmenten
oaire.citation.volume295pt_PT
person.familyNameFerrante
person.givenNameMarco
person.identifier.ciencia-id8916-9616-590E
person.identifier.orcid0000-0003-2421-396X
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication218af93d-de46-43d4-9391-b85b0d47e58c
relation.isAuthorOfPublication.latestForDiscovery218af93d-de46-43d4-9391-b85b0d47e58c

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