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1.

001-es BibID:BIBFORM065703
Első szerző:Debnár Zsuzsanna
Cím:Group selection harvesting supports diversity of forest specialist epigaeic arthropods (Coleoptera: Carabidae; Arachnida: Araneae; Isopoda: Oniscidae) / Zsuzsanna Debnár, Tibor Magura, Roland Horváth, Dávid D. Nagy, Szabolcs Mizser, András Demkó, Bence Tajthi, Béla Tóthmérész
Dátum:2016
ISSN:0031-5362
Tárgyszavak:Természettudományok Környezettudományok idegen nyelvű folyóiratközlemény külföldi lapban
Megjelenés:Periodicum Biologorum. - 118 : 3 (2016), p. 311-314. -
További szerzők:Magura Tibor (1969-) (ökológus) Horváth Roland (1974-) (biológus-ökológus) Nagy Dávid (1986-) (biológus-ökológus) Mizser Szabolcs (1977-) (biológus-ökológus) Demkó András Tajthi Bence (1989-) (ökológus) Tóthmérész Béla (1960-) (ökológus)
Pályázati támogatás:TÁMOP-4.2.2.B-15/1/KONV20150001
TÁMOP
OTKA K-116639
OTKA
TÁMOP 4.2.4.A/2-11-1-2012-0001
TÁMOP
Internet cím:DOI
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2.

001-es BibID:BIBFORM117897
035-os BibID:(Scopus)85182225631 (WoS)001141770200001 (cikkazonosító)e17265
Első szerző:Magura Tibor (ökológus)
Cím:Urbanization reduces gut bacterial microbiome diversity in a specialist ground beetle, Carabus convexus / Tibor Magura, Szabolcs Mizser, Roland Horváth, Mária Tóth, István Likó, Gábor Lövei
Dátum:2024
ISSN:0962-1083
Megjegyzések:Urbanization is rapidly shaping and transforming natural environments, creating networks of modified land types. These urbanization-driven modifications lead to local extinctions of several species, but the surviving ones also face numerous novel selection pressures, including exposure to pollutants, habitat alteration, and shifts in food availability and diversity. Based on the assumption that the environmental pool of microorganisms is reduced in urban habitats due to habitat alteration, biodiversity loss, and pollution, we hypothesized that the diversity of bacterial microbiome in digestive tracts of arthropods would be lower in urban than rural habitats. Investigating the gut bacterial communities of a specialist ground beetle, Carabus convexus, in forested rural versus urban habitats by next generation high-throughput sequencing of the bacterial 16S rRNA gene, we identified 3839 bacterial amplicon sequence variants. The composition of gut bacterial samples did not significantly differ by habitat (rural vs. urban), sex (female vs. male), sampling date (early vs. late spring), or their interaction. The microbiome diversity (evaluated by the Rényi diversity function), however, was higher in rural than urban adults. Our findings demonstrate that urbanization significantly reduced the diversity of the gut bacterial microbiome in C. convexus.
Tárgyszavak:Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
carabid
habitat alteration
microorganisms
next generation sequencing
rural
urban
Megjelenés:Molecular Ecology. - [Epub ahead of print] : - (2024), p. -. -
További szerzők:Mizser Szabolcs (1977-) (biológus-ökológus) Horváth Roland (1974-) (biológus-ökológus) Tóth Mária (1985-) Likó István Lövei Gábor L.
Pályázati támogatás:K-131459
Egyéb
K-146628
Egyéb
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DOI
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3.

001-es BibID:BIBFORM103391
035-os BibID:(cikkazonosító)757 (WOS)000845623800001
Első szerző:Magura Tibor (ökológus)
Cím:Urban individuals of three rove beetle species are not more exploratory or risk-taking than rural conspecifics / Tibor Magura, Roland Horváth, Szabolcs Mizser, Mária Tóth, Dávid D. Nagy, Réka Csicsek, Emőke Balla, Gábor L. Lövei
Dátum:2022
ISSN:2075-4450
Megjegyzések:Urbanization is creating changes in environmental and habitat conditions, as well as creating disturbance and threats to urban-associated species. Some traits, such as high exploratory and risk-taking behavior, are beneficial to allow colonization of urban habitats and coping with urbanization-derived pressures. In this study the exploratory and risk-taking behavior of rural and urban individuals of three forest-associated rove beetle species were tested during their main reproductive period by five frequently used behavioral measures. Individuals of all studied species were similarly ranked by all behavioral measures, indicating that the studied rove beetles responded consistently in the different contexts. However, the behavior of beetles was consistent over time for all/most studied species only by using two measures of exploratory behavior. These provide evidence for the existence of the exploratory dimension of personality in rove beetles. We found a higher exploratory behavior in males than females in Ocypus nitens which can be explained by the active searching of males for mating partners. There were no urbanization-related differences in the exploratory behavior of individuals, suggesting that behavioral changes (being more exploratory) may not yield additional fitness benefits in these rove beetle species with good dispersal capacity.
Tárgyszavak:Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
staphylinids
urbanization
exploratory behavior
risk-taking behavior
human disturbance
Megjelenés:Insects. - 13 : 8 (2022), p. 1-13. -
További szerzők:Horváth Roland (1974-) (biológus-ökológus) Mizser Szabolcs (1977-) (biológus-ökológus) Tóth Mária (1985-) Nagy Dávid (1986-) (biológus-ökológus) Csicsek Réka (1994-) Balla Emőke Lövei Gábor L.
Pályázati támogatás:K-131459
OTKA
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4.

001-es BibID:BIBFORM095711
035-os BibID:(cikkazonosító)646
Első szerző:Magura Tibor (ökológus)
Cím:Are there personality differences between rural vs. urban-living individuals of a specialist ground beetle, Carabus convexus? / Tibor Magura, Szabolcs Mizser, Roland Horváth, Dávid D. Nagy, Mária Tóth, Réka Csicsek, Gábor L. Lövei
Dátum:2021
ISSN:2075-4450
Megjegyzések:The world-wide, rapid urbanization is leading to substantial changes in environmental and habitat conditions. These changes, as well as disturbances accompanying urbanization have considerable effects at various levels of the biological organization on wildlife. Understanding behavioral responses to such changes is essential for identifying which organisms may successfully adapt to the altered conditions. In this study, individuals of a forest specialist ground beetle, Carabus convexus, from rural and urban forest patches were tested for their exploratory and risk-taking behavior. Beetles responded consistently in the different contexts; furthermore, by behaving consistently over time, demonstrated that they had personalities. Agglomerative cluster analysis identified two groups of behavioral traits: the exploratory and the risk-taking dimension of personality. Urban females were significantly more exploratory than urban males which can be an adaptation to find high quality food needed to mature eggs in urban habitats, as well as to select favorable microsites for oviposition. Moreover, urban females and males showed more risk-taking behavior than rural females. Urban beetles with more risk-taking behavior may be better able to cope with frequent urbanization-driven disturbance events.
Tárgyszavak:Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
carabid
urbanization
exploratory behavior
risk-taking behavior
personality
human disturbance
Megjelenés:Insects. - 12 : 7 (2021), p. 1-13. -
További szerzők:Mizser Szabolcs (1977-) (biológus-ökológus) Horváth Roland (1974-) (biológus-ökológus) Nagy Dávid (1986-) (biológus-ökológus) Tóth Mária Csicsek Réka (1994-) Lövei Gábor L.
Pályázati támogatás:OTKA-131459
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5.

001-es BibID:BIBFORM095116
035-os BibID:(cikkazonosító)540
Első szerző:Magura Tibor (ökológus)
Cím:Differences in life history traits in rural vs. urban populations of a specialist ground beetle, Carabus convexus / Tibor Magura, Szabolcs Mizser, Roland Horváth, Dávid D. Nagy, Mária Tóth, Réka Csicsek, Gábor L. Lövei
Dátum:2021
ISSN:2075-4450
Megjegyzések:Urbanization is increasing worldwide and causes substantial changes in environmental parameters, generating various kinds of stress on arthropods, with several harmful consequences. We examined a forest specialist ground beetle, Carabus convexus, in forested habitats to evaluate the changes in four important life history traits between rural and urban populations. Analyzing beetles from the overwintered cohort in their first breeding season, we found no significant differences in body length or body mass between the rural and urban individuals. Body condition, judged by fat reserve scores, was similarly poor in both habitats, indicating that beetles were not able to accumulate substantial fat reserves at either habitat. Females with ripe eggs in their ovaries were first captured at the same time in both areas. The number of ripe eggs, however, was significantly higher in females of the low-density urban population (6.13 eggs/female) than in those of the high-density rural population (4.14 eggs/female), indicating density-dependent fecundity. Altered environmental and habitat conditions by urbanization, however, seemed to cause high mortality during egg hatching and/or larval development, preventing the growth of the urban population to the level of rural one.
Tárgyszavak:Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
environmental stress
carabid
body length
body mass
body condition
eggs
densitydependent fecundity
Megjelenés:Insects. - 12 : 6 (2021), p. 1-11. -
További szerzők:Mizser Szabolcs (1977-) (biológus-ökológus) Horváth Roland (1974-) (biológus-ökológus) Nagy Dávid (1986-) (biológus-ökológus) Tóth Mária Csicsek Réka (1994-) Lövei Gábor L.
Pályázati támogatás:K131459
OTKA
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6.

001-es BibID:BIBFORM079633
Első szerző:Tajthi Bence (ökológus)
Cím:Spider assemblages in floodplain forests along an urbanization gradient / Tajthi Bence, Horváth Roland, Mizser Szabolcs, Nagy D. D., Tóthmérész B.
Dátum:2017
ISSN:1585-8553 1588-2756
Megjegyzések:Urban areas have been growing radically worldwide, causing considerable changes in biodiversity of natural habitats. In floodplain forests, we studied the effects of urbanization on ground-dwelling spider assemblages along a rural?suburban?urban gradient in Hungary. We tested three traditional hypotheses (intermediate disturbance hypothesis, habitat specialist hypothesis and hygrophilous species hypothesis) and two novel expectations (shade-preferring species hypothesis, and disturbance sensitive species hypothesis) on spiders. We found that the total number of species was higher in the suburban habitat than in rural and urban ones, supporting the intermediate disturbance hypothesis. We found a decrease in the species richness of forest specialist and shade-preferring species along the urbanization gradient. We found that the number of hygrophilous and disturbance sensitive species was the lowest in the urban habitat. The spider assemblages of the rural and suburban habitats were clearly separated from the assemblages of urban habitats. Based on our findings we emphasize that low and moderate intensity of forest management contributes to the preservation of the local species richness in floodplain forests.
Tárgyszavak:Természettudományok Környezettudományok idegen nyelvű folyóiratközlemény hazai lapban
folyóiratcikk
Diversity
Floodplain forest
GlobeNet
Human disturbance
Litter sifting
Megjelenés:Community Ecology. - 18 : 3 (2017), p. 311-318. -
További szerzők:Horváth Roland (1974-) (biológus-ökológus) Mizser Szabolcs (1977-) (biológus-ökológus) Nagy Dávid (1986-) (biológus-ökológus) Tóthmérész Béla (1960-) (ökológus)
Pályázati támogatás:OTKA K 116639
OTKA
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