Population dynamics in greenhouse experiments of aphids and their predators

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dc.contributor.authorKate Wootton
dc.contributor.otherAmanda Laubmeier
dc.contributor.otherTomas Jonsson
dc.contributor.otherAlva Curtsdotter
dc.contributor.otherRiccardo Bommarco
dc.date.accessioned2025-01-20T09:43:40Z
dc.date.available2025-01-20T09:43:40Z
dc.date.issued2022-11-23T06:48:02.403582Z
dc.descriptionThe data was collected to determine the role of habitat use and non-trophic predator-predator interactions on food-web dynamics. We developed four dynamic food-web models - with vs without habitat use and non-trophic predator interactions - and fit the models to the data. We used mesocosm experiments in the greenhouse, combining all combinations of 0, 1 or 2 predator species with 1 or 2 prey species (33 combinations in total, each with 6 replicates). aphid_counts (1734R × 6C) and pred_counts (180R × 8C): Aphid populations were counted on days 2, 4, 6 and 8, while predator populations were counted on day 8. Aphid populations in treatments with no predator were also counted on day 0, and some treatments with Coccinella septempunctata were counted on day 1 and 3 as well. Initial predator populations were 10 Pardosa, 2 C. septempunctata, 20 O. majusculus, or 20 Bembidion. Where the treatment only contained one predator, these numbers were doubled (i.e. 4 C. septempunctata). 150 aphids were added to each mesocosm on day -2 (i.e. two days before predators were added). This was either 150 of one aphid species or 75 of each aphid species. body_masses_raw (44R x 5C): This data set contains body mass measurements for each species in our experiment. Some species were weighed multiple at a time because of their small size. The columns contain name of the species measured ("Species"), mass of the measured individual(s) in grams ("Mass (g)"), the number of individuals that were weighed together ("Number of individuals"), the per capita mass of those weighed in that group ("Per capita Mass (mg)"), and the average per capita mass for the species, in mg ("Avg species per capita mass (mg)"). aphid_hab_use_by_replicate ( 97R x 5C) and pred_hab_use_by_replicate (985R x 5C): This dataset contains the habitat use of each aphid and predator species. The cage was divided into four areas - walls (and roof), ground, barley, and beans and we recorded the number of individuals located in each area. If an individual moved during counting it was assigned half to each habitat it was in. Aphid habitat use was recorded on days 2 and 6 of the 8 day experiment, while predators were recorded every day (or multiple times a day for Coccinella septempunctata, because we had so few individuals.en_EN
dc.descriptionUppgifterna samlades in för att bestämma vilken roll mikrohabitatsanvändning och icke-trofiska interaktioner rovdjur sinsemellan har på dynamiken i näringsvävar. Vi utvecklade fyra dynamiska näringsvävsmodeller, med vs utan beaktande av mikrohabitatsanvändning och icke-trofiska rovdjursinteraktioner, och anpassade modellerna till data. Vi utförde mesokosmosexperiment i växthus, och kombinerade alla kombinationer av 0, 1 eller 2 rovdjursarter med 1 eller 2 bytesarter (totalt 33 kombinationer, var och en med 6 replikat). aphid_counts (1734R × 6C) och pred_counts (180R × 8C): Bladluspopulationer räknades dag 2, 4, 6 och 8, medan predatorpopulationer räknades dag 8. Bladluspopulationer i behandlingar utan predatorer räknades också dag 0, och vissa behandlingar med Coccinella septempunctata räknades dag 1 och 3 också. Initiala predatorpopulationer var 10 Pardosa, 2 C. septempunctata, 20 O. majusculus eller 20 Bembidion. Där behandlingen endast innehöll ett rovdjur fördubblades dessa antal (d.v.s. 4 C. septempunctata o.s.v.). 150 bladlöss tillsattes till varje mesokosmos dag -2 (dvs två dagar innan rovdjur tillsattes). Detta var antingen 150 individer av en bladlusart eller 75 av varje bladlusart. body_masses_raw (44R x 5C): Detta dataset innehåller uppmätta kroppsmassor för varje art i vårt experiment. Vissa arter vägdes flera åt gången på grund av deras ringa vikt. Kolumnerna innehåller namnet på den uppmätta arten ("Species"), den/de uppmätta individens massa i gram ("Mass (g)"), antalet individer som vägdes tillsammans ("Number of individuals"), per capita massa av de som vägdes i den gruppen ("Per capita Mass (mg)"), och den genomsnittliga massan per capita för arten, i mg ("Avg species per capita mass (mg)"). aphid_hab_use_by_replicate ( 97R x 5C) och pred_hab_use_by_replicate (985R x 5C): Detta dataset innehåller livsmiljöanvändningen för varje bladlus- och rovdjursart. Buren var uppdelad i fyra områden - väggar (inklusive tak), mark, korn, samt bönor - och vi registrerade antalet individer som fanns i varje område. Om en individ flyttade sig från ett habitat till ett annat under räkningen så räknades den som en halv individ i vart av de två habitaten som den befann sig i. Bladlössens habitatanvändning registrerades dag 2 och 6 under 8-dagarsexperimentet, medan rovdjuren registrerades varje dag (eller flera gånger om dagen för Coccinella septempunctata, eftersom vi hade så få individer).sv_SE
dc.description.sponsorshipSwedish Research Councilen_EN
dc.description.sponsorshipVetenskapsrådetsv_SE
dc.description.sponsorshipFormasen_EN
dc.description.sponsorshipFormassv_SE
dc.identifier.govdocSLU.ekol.2022.4.4.IÄ-10
dc.identifier.urihttps://doi.org/10.5878/26hx-xy41
dc.identifier.urihttps://doi.org/10.5878/1nvc-v140
dc.identifier.urihttps://hdl.handle.net/20.500.12703/5468
dc.languageotheren_EN
dc.publisherSwedish National Data Serviceen_EN
dc.publisherSvensk Nationell Datatjänstsv_SE
dc.subjectEcologyen_EN
dc.subjectEkologisv_SE
dc.subjectBiological Sciencesen_EN
dc.subjectBiologisv_SE
dc.subjectNatural Sciencesen_EN
dc.subjectNaturvetenskapsv_SE
dc.subjectground beetlesen_EN
dc.subjectjordlöparesv_SE
dc.subjectecosystem parameteren_EN
dc.subjectcommunity ecologyen_EN
dc.subjectbeetlesen_EN
dc.subjectskalbaggarsv_SE
dc.subjectsystems in natural scienceen_EN
dc.subjectnaturvetenskapliga systemsv_SE
dc.subjectecologyen_EN
dc.subjectekologisv_SE
dc.subjectparameteren_EN
dc.subjectinsectsen_EN
dc.subjectinsektersv_SE
dc.subjectsystemsen_EN
dc.subjectsystemsv_SE
dc.subjectbiologyen_EN
dc.subjectbiologisv_SE
dc.subjectobjectsen_EN
dc.subjectentitetersv_SE
dc.subjectarthropodsen_EN
dc.subjectleddjursv_SE
dc.subjectnatural scienceen_EN
dc.subjectanimalsen_EN
dc.subjectdjursv_SE
dc.subjectresearch topicen_EN
dc.subjecteukaryoteen_EN
dc.subjecteukaryotersv_SE
dc.subjectresearch focusen_EN
dc.subjectorganismsen_EN
dc.subjectorganismersv_SE
dc.subjectorganic objectsen_EN
dc.subjectorganiska objektsv_SE
dc.subjectphysical objectsen_EN
dc.subjectfysiska objektsv_SE
dc.titlePopulation dynamics in greenhouse experiments of aphids and their predatorsen_EN
dc.titlePopulationsdynamik i växthusexperiment av bladlöss och deras rovdjursv_SE
dc.typeDatasetsv_SE
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Population dynamics in greenhouse experiments of aphids and their predators