Search results for "molecular diet analysis"

showing 3 items of 3 documents

Data from: Exposing the structure of an Arctic food web

2016

How food webs are structured has major implications for their stability and dynamics. While poorly studied to date, arctic food webs are commonly assumed to be simple in structure, with few links per species. If this is the case, then different parts of the web may be weakly connected to each other, with populations and species united by only a low number of links. We provide the first highly resolved description of trophic link structure for a large part of a high-arctic food web. For this purpose, we apply a combination of recent techniques to describing the links between three predator guilds (insectivorous birds, spiders, and lepidopteran parasitoids) and their two dominant prey orders …

HolocenePlectrophenax nivalisLife SciencesXysticus deichmannispecialismErigone arcticaIchneumonidaeEmblyna borealismedicine and health careBraconidaegeneralismTachinidaePardosa glacialismolecular diet analysisMedicineXysticus labradorensisEulophidaeCalidris alpinaCalidris alba
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Exposing the structure of an Arctic food web

2015

15 pages; International audience; How food webs are structured has major implications for their stability and dynamics. While poorly studied to date, arctic food webs are commonly assumed to be simple in structure, with few links per species. If this is the case, then different parts of the web may be weakly connected to each other, with populations and species united by only a low number of links. We provide the first highly resolved description of trophic link structure for a large part of a high-arctic food web. For this purpose, we apply a combination of recent techniques to describing the links between three predator guilds (insectivorous birds, spiders, and lepidopteran parasitoids) a…

MUTUALISTIC NETWORKSPlectrophenaxTrophic speciesPopulationGreenlandPOLLINATION NETWORKSDIVERSITYBiologyspecialismPredation[SDV.EE.ECO]Life Sciences [q-bio]/Ecology environment/EcosystemsgeneralismDNA barcodingeducationPredatorEcology Evolution Behavior and SystematicsBEAR ISLANDNature and Landscape ConservationTrophic levelPardosaOriginal Researcheducation.field_of_study[ SDE.BE ] Environmental Sciences/Biodiversity and EcologyMOLECULAR-DETECTIONGLOBAL PATTERNSCalidrisEcologyEcology15. Life on landHOST-SPECIFICITYbiology.organism_classificationHymenopteraFood web[ SDV.EE.ECO ] Life Sciences [q-bio]/Ecology environment/EcosystemsPardosaArctic1181 Ecology evolutionary biologymolecular diet analysisAPPARENT COMPETITIONta1181XysticusHERBIVOROUS INSECTS[SDE.BE]Environmental Sciences/Biodiversity and EcologyTROPICAL FORESTEcology and Evolution
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Tracking mite trophic interactions by multiplex PCR

2020

Background A thorough knowledge of trophic webs in agroecosystems is essential to achieve successful biological pest control. Phytoseiid mites are the most efficient natural enemies of tetranychid mites, which include several important pests worldwide. Nevertheless, phytoseiids may feed on other food sources including other microarthropods, plants and even other phytoseiids (intraguild predation), which can interfere with biological control services. Molecular gut content analysis is a valuable tool for characterizing trophic interactions, mainly when working on microarthropods such as mites. We have designed new primers for Phytoseiidae, Tetranychidae and Thysanoptera identification and th…

trophic linksMitesPhytoseiidaebiologyThysanopteraPrey detectionBiological pest controlZoologyplantGeneral Medicinebiology.organism_classificationPredationprey detectionPredatory BehaviorInsect Sciencemolecular diet analysisAnimalsTetranychus urticaePest Control BiologicalMultiplex Polymerase Chain ReactionAcariAgronomy and Crop SciencePredatorIntraguild predationTrophic levelPest Management Science
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