36 Works

Data from: The evolution of skull and body shape in Triturus newts reconstructed from 3D morphometric data and phylogeny

Ana Ivanović & Jan W. Arntzen
To explore the relationship between morphological change and species diversification, we reconstructed the evolutionary changes in skull size, skull shape, and body elongation in a monophyletic group of eight species that make up salamander genus Triturus. Their well-studied phylogenetic relationships and the marked difference in ecological preferences among five species groups makes this genus an excellent model system for the study of morphological evolution. The study involved three-dimensional imagery of the skull and the number...

Local versus broad scale environmental drivers of continental beta diversity patterns in subterranean spider communities across Europe

Stefano Mammola, Pedro Cardoso, Dorottya Angyal, Gergely Balázs, Theo Blick, Hervé Brustel, Julian Carter, Srećko Ćurčić, Samuel Danflous, László Dányi, Sylvain Déjean, Christo Deltshev, Mert Elverici, Jon Fernandez Perez, Fulvio Gasparo, Marjan Komnenov, Christian Komposch, Ľubomír Kováč, Kadir Kuntz, Andrej Mock, Oana Moldovan, Maria Naumova, Martina Pavlek, Carlos Prieto, Carles Ribera … & Marco Isaia
Macroecologists seek to identify drivers of community turnover (β-diversity) through broad spatial scales. Yet, the influence of local habitat features in driving broad-scale β-diversity patterns remains largely untested, due to the objective challenges of associating local-scale variables to continental-framed datasets. We examined the relative contribution of local- versus broad-scale drivers of continental β-diversity patterns, using a uniquely suited dataset of cave-dwelling spider communities across Europe (35–70° latitude). Generalized dissimilarity modeling showed that geographical distance, mean...

Photocatalytic degradation of methylene blue under natural sunlight using Fe2TiO5 nanoparticles prepared by a modified sol-gel method

Zorka Z Vasiljevic, Milena P Dojcinovic, Jelena D Vujancevic, Ivona Jankovic-Castvan, Milos Ognjanovic, Nenad B Tadic, Goran O Brankovic & Maria V Nikolic
Iron titanate (Fe2TiO5) nanoparticles with an orthorhombic structure were successfully synthesized using a modified sol-gel method and calcination at 750 °C. The as-prepared Fe2TiO5 nanoparticles exhibited a moderate specific surface area. The mesoporous Fe2TiO5 nanoparticles possessed strong absorption in the visible light region and the band gap was estimated to be around 2.16 eV. The photocatalytic activity was evaluated by the degradation of methylene blue under natural sunlight. The effect of parameters such as the...

Fragmentation in trader preferences among multiple markets: Market coexistence versus single market dominance

Aleksandra Alorić, Robin Nicole & Peter Sollich
Technological advancement has lead to an increase in number and type of trading venues and diversification of goods traded. These changes have re-emphasized the importance of understanding the effects of market competition: does proliferation of trading venues and increased competition lead to dominance of a single market or coexistence of multiple markets? In this paper, we address these questions in a stylized model of Zero Intelligence traders who make repeated decisions at which of three...

Large carnivore expansion in Europe is associated with human population density and land cover changes

Marta Cimatti, Nathan Ranc, Ana Ana Benítez-López, Luigi Maiorano, Luigi Boitani, Francesca Cagnacci, Mirza Čengić, Paolo Ciucci, Mark Huijbregts, Miha Krofel, José López Bao, Nuria Selva, Henrik Andren, Carlos Bautista, Duško Cirovic, Heather Hemmingmoore, Ilka Reinhardt, Miha Marenče, Yorgos Mertzanis, Luca Pedrotti, Igor Trbojević, Andreas Zetterberg, Tomasz Zwijacz-Kozica & Luca Santini
Aim: The recent recovery of large carnivores in Europe has been explained as resulting from a decrease in human persecution driven by widespread rural land abandonment, paralleled by forest cover increase and the consequent increase in availability of shelter and prey. We investigated whether land cover and human population density changes are related to the relative probability of occurrence of three European large carnivores: the grey wolf (Canis lupus), the Eurasian lynx (Lynx lynx) and...

The role of intravoxel incoherent motion (IVIM) parameters in characterization of hypovascular liver lesions: the raw diffusion weighted images and IVIM data

Jelena Đokić-Kovač, Marko Daković, Aleksandra Janković, Milica Mitrović, Vladmir Dugalić, Daniel Galun, Aleksandra Đurić-Stefanović & Dragan Mašulović
Background: The utility of intravoxel incoherent motion (IVIM) related parameters in differentiation of hypovascular liver lesions is still unknown. Purpose: The purpose of this study was to evaluate the value of IVIM related parameters in comparison to apparent diffusion coefficient (ADC) for differentiation among intrahepatic mass-forming cholangiocarcinoma (IMC), hypovascular liver metastases (HLM) and primary hepatic lymphoma (PHL). Methods: Seventy-seven prospectively enrolled patients (21 IMC, 53 HLM, and 3 PHL) underwent 1,5T magnetic resonance examination with...

Data from: Multilocus phylogeography of the European ground squirrel: cryptic interglacial refugia of continental climate in Europe

Štěpánka Říčanová, Yordan Koshev, Oldřich Říčan, Nada Ćosić, Duško Ćirović, František Sedláček & Josef Bryja
The theory of classical and cryptic Pleistocene refugia is based mainly on historical changes in temperature, and the refugia are usually defined within a latitudinal gradient. However, the gradient of oceanic–continental climate (i.e. longitudinal) was also significantly variable during glacial cycles with important biotic consequences. Range-wide phylogeography of the European ground squirrel (EGS) was used to interpret the evolutionary and palaeogeographical history of the species in Europe and to shed light on its glacial–interglacial dynamic....

Data from: Sex-specific mitonuclear epistasis and the evolution of mitochondrial bioenergetics, ageing and life history in seed beetles

Mirko Dorđević, Biljana Stojkovic, Uroš Savković, Elina Immonen, Nikola Tucic, Jelica Jelica Lazarević & Göran Arnqvist
The role of mitochondrial DNA for the evolution of life history traits remains debated. We examined mitonuclear effects on the activity of the multi-subunit complex of the electron transport chain (ETC) involved in oxidative phosphorylation (OXPHOS) across lines of the seed beetle Acanthoscelides obtectus, selected for a short (E) or a long (L) life for more than >160 generations. We constructed and phenotyped mitonuclear introgression lines, which allowed us to assess the independent effects of...

Data from: Agriculture shapes the trophic niche of a bat preying on multiple pest arthropods across Europe: evidence from DNA metabarcoding

Ostaizka Aizpurua, Ivana Budinski, Panagiotis Georgiakakis, Shyam Gopalakrishnan, Carlos Ibáñez, Vanessa Mata, Hugo Rebelo, Danilo Russo, Farkas Szodoray-Parádi, Violeta Zhelyazkova, Vida Zrncic, M. Thomas P. Gilbert & Antton Alberdi
The interaction between agricultural production and wildlife can shape, and even condition, the functioning of both systems. In this study we i) explored the degree to which a widespread European bat, namely the common bent-wing bat Miniopterus schreibersii, consumes crop-damaging insects at a continental scale, and ii) tested whether its dietary niche is shaped by the extension and type of agricultural fields. We employed a dual-primer DNA metabarcoding approach to characterise arthropod 16S and COI...

Data from: The interplay of landscape composition and configuration: new pathways to manage functional biodiversity and agro-ecosystem services across Europe

Emily A. Martin, Matteo Dainese, Yann Clough, András Báldi, Riccardo Bommarco, Vesna Gagic, Michael Garratt, Andrea Holzschuh, David Kleijn, Anikó Kovács-Hostyánszki, Lorenzo Marini, Simon G. Potts, Henrik G. Smith, Diab Al Hassan, Matthias Albrecht, Georg K. S. Andersson, Josep Asis, Stephanie Aviron, Mario Balzan, Laura Baños-Picón, Ignasi Bartomeus, Peter Batary, Françoise Burel, Berta Caballero-López, Elena D. Concepcion … & Ingolf Steffan-Dewenter
Managing agricultural landscapes to support biodiversity and ecosystem services is a key aim of a sustainable agriculture. However, how the spatial arrangement of crop fields and other habitats in landscapes impacts arthropods and their functions is poorly known. Synthesising data from 49 studies (1515 landscapes) across Europe, we examined effects of landscape composition (% habitats) and configuration (edge density) on arthropods in fields and their margins, pest control, pollination and yields. Configuration effects interacted with...

Can antioxidant responses be induced by habitat fragmentation process?

Luciano Bani, Valerio Orioli, Roberto Giacchini, Paolo Parenti, Olivia Dondina, Marko Prokić, Caterina Faggio & Giulia Campli
Animal populations are increasingly forced to live in small residual natural or semi-natural areas due to habitat loss and fragmentation. Here, the viability of populations is often compromised by intrinsic threat factors typical of small and isolated populations, such as inbreeding depression, genetic drift, and environmental and demographic stochasticity. Under these circumstances, organisms may have low fitness due to inadequate physiological responses needed to face environmental challenges. However, few studies have investigated the relationship between...

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