50 Works

Dissertations and Data

Joachim Schopfel, Primož Južnič, Helene Prost, Cécile Malleret, Ana Češarek & Teja Koler-Povh

Information-Seeking Behaviour of Slovenian Researchers: Implications for information services

Polona Vilar, Primož Južnič & Tomaz Bartol
The paper present one part of a survey of information behaviour of Slovenian researchers. Results show that Slovenian researchers in most areas show usual traits of scholarly information behaviour. Exceptions are the non-use of Web 2.0 tools for research purposes and low use of open-access materials. Survey confirmed that ICT is influential in preferences regarding resource formats, access, means for information exchange, organization of resources, writing, reading, etc. The use of grey literature is quite...

Data from: The importance of naming cryptic species and the conservation of endemic subterranean amphipods

Teo Delić, Peter Trontelj, Michal Rendoš & Cene Fišer
Molecular taxonomy often uncovers cryptic species, reminding us that taxonomic incompleteness is even more severe than previous thought. The importance of cryptic species for conservation is poorly understood. Although some cryptic species may be seriously threatened or otherwise important, they are rarely included in conservation programs as most of them remain undescribed. We analysed the importance of cryptic species in conservation by scrutinizing the South European cryptic complex of the subterranean amphipod Niphargus stygius sensu...

The interplay between habitat use, morphology and locomotion in subterranean crustaceans of the genus Niphargus

Simona Kralj-Fišer, Žiga Fišer, Ester Premate, Teja Vovk, Gabor Herczeg, Gergely Balázs, Denis Copilas-Ciocianu, Teo Delić & Cene Fišer
Locomotion is an important, fitness-related functional trait. Environment selects for type of locomotion and shapes the morphology of locomotion-related traits such as body size and appendages. In subterranean aquatic arthropods, these traits are subjected to multiple, at times opposing selection pressures. Darkness selects for enhanced mechano- and chemosensory systems and hence elongation of appendages. Conversely, water currents have been shown to favor short appendages. However, no study has addressed the variation in locomotion of invertebrates...

Data from: Genetic diversity in widespread species is not congruent with species richness in alpine plant communities

Pierre Taberlet, Niklaus E. Zimmermann, Thorsten Englisch, Andreas Tribsch, Rolf Holderegger, Nadir Alvarez, Harald Niklfeld, Zbigniew Mirek, Atte Moilanen, Wolfgang Ahlmer, Paolo Ajmone Marsan, Enzo Bona, Maurizio Bovio, Philippe Choler, Elżbieta Cieślak, Gheorghe Coldea, Licia Colli, Vasile Cristea, Jean-Pierre Dalmas, Božo Frajman, Luc Garraud, Myriam Gaudeul, Ludovic Gielly, Walter Gutermann, Nejc Jogan … & Karol Marhold
The Convention on Biological Diversity (CBD) aims at the conservation of all three levels of biodiversity, i.e. ecosystems, species and genes. Genetic diversity represents evolutionary potential and is important for ecosystem functioning. Unfortunately, genetic diversity in natural populations is hardly considered in conservation strategies because it is difficult to measure and has been hypothesized to co-vary with species richness. This means that species richness is taken as a surrogate of genetic diversity in conservation planning,...

Cross-continental comparison of parasite communities in a wide-ranging carnivore suggests associations with prey diversity and host density

Astrid Stronen, Barbara Molnar, Paolo Ciucci, Chris Darimont, Lorenza Grottoli, Paul Paquet, Tim Sallows, Judit Smits & Heather Bryan
Parasites are integral to ecosystem functioning yet often overlooked. Improved understanding of host-parasite associations is important, particularly for wide-ranging species for which host range shifts and climate change could alter host-parasite interactions and their effects on ecosystem function. Among the most widely distributed mammals with diverse diets, grey wolves (Canis lupus) host parasites that are transmitted among canids and via prey species. Grey wolf-parasite associations may therefore influence the population dynamics and ecological functions of...

Red-green opponency in the long visual fibre photoreceptors of brushfoot butterflies (Nymphalidae)

Gregor Belušič, Marko Ilić, Primoz Pirih & Andrej Meglic
In many butterflies, the ancestral trichromatic insect colour vision, based on UV-, blue- and green-sensitive photoreceptors, is extended with red-sensitive cells. Physiological evidence for red receptors has been missing in Nymphalid butterflies, although some species can discriminate red hues well. In eight species from genera Archaeoprepona, Argynnis, Charaxes, Danaus, Melitaea, Morpho, Heliconius and Speyeria we found a novel class of green-sensitive photoreceptors that have hyperpolarising responses to stimulation with red light. These green-positive, red-negative (G+R–)...

Grey Literature in Slovenia – Traditional is solved, what's next?

Primož Južnic
This paper presents the research done on the special libraries of institutions that are the biggest producers of grey literature in Slovenia. They were defined as the one that do not belong to the formal information and publishing industry (organisations (or individuals working for them) in industry, research institutes, museums and governmental agencies. The results of the research show how the long-term use and collaboration to the National Union bibliographic system prepared librarians and other...

Data from: Monitoring the effective population size of a brown bear (Ursus arctos) population using new single-sample approaches

Tomaž Skrbinšek, Maja Jelenčič, Lisette Waits, Ivan Kos, Klemen Jerina & Peter Trontelj
The effective population size (Ne) could be the ideal parameter for monitoring populations of conservation concern as it conveniently summarizes both the evolutionary potential of the population and its sensitivity to genetic stochasticity. However, tracing its change through time is difficult in natural populations. We applied four new methods for estimating Ne from a single sample of genotypes to trace temporal change in Ne for bears in the Northern Dinaric Mountains. We genotyped 510 bears...

Data from: Do cryptic species matter in macroecology? Sequencing European groundwater crustaceans yields smaller ranges but does not challenge biodiversity determinants

David Eme, Maja Zagmajster, Teo Delić, Cene Fiser, Jean-François Flot, Lara Konecny-Dupré, Snaebjorn Palsson, Fabio Stoch, Valerija Zakšek, Christophe J. Douady & Florian Malard
Ecologists increasingly rely on molecular delimitation methods (MMs) to identify species boundaries, thereby potentially increasing the number of putative species because of the presence of morphologically cryptic species. It has been argued that cryptic species could challenge our understanding of what determine large-scale biodiversity patterns which have traditionally been documented from morphology alone. Here, we used morphology and three MMs to derive four different sets of putative species among the European groundwater crustaceans. Then, we...

Data from: Future ecosystem services from European mountain forests under climate change

Marco Mina, Harald Bugmann, Thomas Cordonnier, Florian Irauschek, Matija Klopcic, Marta Pardos & Maxime Cailleret
Ecosystem services (ES) from mountain forests are highly relevant for human societies. ES with a direct economic support function (e.g. timber production), regulatory services (e.g. protection from natural hazards) and cultural services (e.g. recreation) are likely to be affected strongly by a rapidly changing climate. To evaluate whether adverse climate change effects on ES can be counteracted by adapting management, dynamic models and indicator-based assessments are needed. We applied a forest dynamic model in case...

Data from: Reliable wolf-dog hybrid detection in Europe using a reduced SNP panel developed for non-invasively collected samples

Jenni Harmoinen, Alina Von Thaden, Jouni Aspi, Laura Kvist, Berardino Cocchiararo, Anne Jarausch, Andrea Gazzola, Teodora Sin, Hannes Lohi, Marjo Hytönen, Ilpo Kojola, Astrid Vik Stronen, Romolo Caniglia, Federica Mattucci, Marco Galaverni, Raquel Godinho, Aritz Ruiz-González, Ettore Randi, Violeta Muñoz-Fuentes & Carsten Nowak
Background: Understanding the processes that lead to hybridization of wolves and dogs is of scientific and management importance, particularly over large geographical scales, as wolves can disperse great distances. However, a method to efficiently detect hybrids in routine wolf monitoring is lacking. Microsatellites offer only limited resolution due to the low number of markers showing distinctive allele frequencies between wolves and dogs. Moreover, calibration across laboratories is time-consuming and costly. In this study, we selected...

Data from: Quantifying natural disturbances using a large-scale dendrochronological reconstruction to guide forest management

Vojtěch Čada, Volodymyr Trotsiuk, Pavel Janda, Martin Mikolas, Radek Bace, Thomas Nagel, Robert Morrissey, Alan Tepley, Ondřej Vostarek, Krešimir Begović, Oleh Chaskovskyy, Martin Dušátko, Ondrej Kameniar, Daniel Kozák, Jana Lábusová, Jakub Málek, Peter Meyer, Joseph Pettit, Jonathan Schurman, Kristýna Svobodová, Michal Synek, Marius Teodosiu, Karol Ujházy & Miroslav Svoboda
Estimates of historical disturbance patterns are essential to guide forest management aimed at ensuring the sustainability of ecosystem functions and biodiversity. However, quantitative estimates of various disturbance characteristics required in management applications are rare in longer-term historical studies. Thus, our objectives were to: (1) quantify past disturbance severity, patch size, and stand proportion disturbed, and (2) test for temporal and sub-regional differences in these characteristics. We developed a comprehensive dendrochronological method to evaluate an approximately...

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...

Tree growth response to drought partially explains regional-scale growth and mortality patterns in Iberian forests

Antonio Gazol, J. Julio Camarero, Raúl Sánchez-Salguero, Miguel A. Zavala, Xavier Serra-Maluquer, Emilia Gutiérrez, Martín De Luis, Gabriel Sangüesa-Barreda, Klemen Novak, Vicente Rozas, Pedro A. Tíscar, Juan C. Linares, Edurne Martínez Del Castillo, Montse Ribas, Ignacio García-González, Fernando Silla, Álvaro Camison, Mar Génova, José M. Olano, Ana-Maria Hereş, Jorge Curiel Yuste, Luis A. Longares, Andrea Hevia, J. Diego Galván & Paloma Ruiz-Benito
To quantify responses to drought from different data sources we take advantage of an extensive network of cross-dated tree-ring data with increment cores from 16 tree species sampled across the Spanish Iberian Peninsula (hereafter abbreviated as RWI-net), and of the Spanish National Forest Inventory (hereafter abbreviated as NFI) sampling tree and plot level data each km in forested areas. We selected the five most severe droughts that have affected each selected RWI-net population in the...

Opponent processing in the retinal mosaic of nymphalid butterflies

Gregor Belušič, Primož Pirih, Marko Ilić & Andrej Meglič
The eyes of nymphalid butterflies, investigated with incident illumination, show colourful facet reflection patterns, the eye shine, which is uniform or heterogeneous, dependent on the species. Facet colours suggest that the ommatidia contain different sets of photoreceptors and screening pigments, but how the colours and the cell characteristics are associated has not been clearly established. Here we analyse the retinae of two nymphalids, Apatura ilia, which has a uniform eyeshine, and Charaxes jasius, a species...

Data from: Using a reference population yardstick to calibrate and compare genetic diversity reported in different studies: an example from the brown bear.

Tomaž Skrbinšek, Maja Jelenčič, Lisette P. Waits, Hubert Potočnik & Peter Trontelj
In species with large geographic ranges, genetic diversity of different populations may be well studied, but differences in loci and sample sizes can make the results of different studies difficult to compare. Yet, such comparisons are important for assessing the status of populations of conservation concern. We propose a simple approach of using a single well-studied reference population as a "yardstick" to calibrate results of different studies to the same scale, enabling comparisons. We use...

Data from: Partial genomic survival of cave bears in living brown bears

Axel Barlow, James A. Cahill, Stefanie Hartmann, Christoph Theunert, Georgios Xenikoudakis, Gloria G. Fortes, Johanna L. A. Paijmans, Gernot Rabeder, Christine Frischauf, Aurora Grandal-D'Anglade, Ana García-Vázquez, Marine Murtskhvaladze, Urmas Saarma, Peeter Anijalg, Tomaž Skrbinšek, Giorgio Bertorelle, Boris Gasparian, Guy Bar-Oz, Ron Pinhasi, Montgomery Slatkin, Love Dalén, Beth Shapiro & Michael Hofreiter
Although many large mammal species went extinct at the end of the Pleistocene epoch, their DNA may persist due to past episodes of interspecies admixture. However, direct empirical evidence of the persistence of ancient alleles remains scarce. Here, we present multifold coverage genomic data from four Late Pleistocene cave bears (Ursus spelaeus complex) and show that cave bears hybridized with brown bears (Ursus arctos) during the Pleistocene. We develop an approach to assess both the...

Data from: Niches within a niche: ecological differentiation of subterranean amphipods across Europe’s interstitial waters

Cene Fiser, Teo Delić, Roman Luštrik, Maja Zagmajster & Florian Altermatt
Species that successfully colonized subterranean environments are subject to two opposing selection processes. Stringent abiotic factors select for convergent adaptations, such as loss of eyes and pigments, while interspecific competition drives between-species divergence. Subterranean species can resolve opposing selection by adaptation to physically different microhabitats. Yet, species frequently co-occur in physically homogeneous subterranean habitats, like interstitial. These co-occurrences in such a narrow ecological context can be explained either by equalizing mechanisms, in which neither of...

Data from: Morphological vs. molecular delineation of taxa across montane regions in Europe: the case study of Gammarus balcanicus Schäferna, 1922 (Crustacea: Amphipoda)

Tomasz Mamos, Remi Wattier, Aneta Majda, Boris Sket & Michał Grabowski
Mountainous areas are characterized by substantial biodiversity and endemicity due to their complex geological history and habitat fragmentation. Hence, it can be assumed that particularly high species richness can be found in organisms with limited dispersal capabilities that inhabit mountain streams. A number of scientific papers focus on molecular phylogeography or traditional taxonomy of species or species groups inhabiting such habitats. However, there is a lack of studies that integrate morphological and molecular data to...

Data from: Recovery of native genetic background in admixed Populations Using haplotypes, phenotypes, and pedigree information – using Cika cattle as a case breed

Mojca Simčič, Anamarija Smetko, Johann Sölkner, Doris Seichter, Gregor Gorjanc, Dragomir Kompan & Ivica Medugorac
The aim of this study was to obtain unbiased estimates of the diversity parameters, the population history, and the degree of admixture in Cika cattle which represents the local admixed breeds at risk of extinction undergoing challenging conservation programs. Genetic analyses were performed on the genome-wide Single Nucleotide Polymorphism (SNP) Illumina Bovine SNP50 array data of 76 Cika animals and 531 animals from 14 reference populations. To obtain unbiased estimates we used short haplotypes spanning...

Data from: Recovery of large carnivores in Europe’s modern human-dominated landscapes

Guillaume Chapron, Petra Kaczensky, John D. C. Linnell, Manuela Von Arx, Djuro Huber, Henrik Andrén, José Vicente López-Bao, Michal Adamec, Francisco Álvares, Ole Anders, Linas Balčiauskas, Vaidas Balys, Péter Bedő, Ferdinand Bego, Juan Carlos Blanco, Urs Breitenmoser, Henrik Brøseth, Luděk Bufka, Raimonda Bunikyte, Paolo Ciucci, Alexander Dutsov, Thomas Engleder, Christian Fuxjäger, Claudio Groff, Katja Holmala … & Luigi Boitani
The conservation of large carnivores is a formidable challenge for biodiversity conservation. Using a data set on the past and current status of brown bears (Ursus arctos), Eurasian lynx (Lynx lynx), gray wolves (Canis lupus), and wolverines (Gulo gulo) in European countries, we show that roughly one-third of mainland Europe hosts at least one large carnivore species, with stable or increasing abundance in most cases in 21st-century records. The reasons for this overall conservation success...

The awareness, visibility and support for young carers across Europe: a Delphi study

Henk Herman Nap, Renske Hoefman, Nynke De Jong, Lieke Lovink, Ludo Glimmerveen, Feylyn Lewis, Sara Santini, Barbara D’Amen, Marco Socci, Licia Boccaletti, Giulia Casu, Alessandra Manattini, Rosita Brolin, Karina Sirk, Valentina Hlebec, Tatjana Rakar, Tjasa Hudobivnik, Agnes Leu, Fabian Berger, Lennart Magnusson & Elizabeth Hanson
Across Europe, young carers (YCs) and their need for support receive limited attention in the media, policy and empirical research, even though, similar to adult carers, they also provide care to ill family members. The Delphi study, a qualitative research methodology, which provides the focus for this article, had the overall aim of exploring existing successful strategies to support YCs. Compared to YCs, even less is known about adolescent young carers (AYCs), a group that...

Hazelnut SSR database: genetic profiles of the accessions, list of synonyms, and true-to-type genotypes

Paolo Boccacci, Maria Aramini, Matthew Ordidge, Theo Van Hintum, Daniela Torello Marinoni, Nadia Valentini, Jean-Paul Sarraquigne, Anita Solar, Mercè Rovira, Loretta Bacchetta & Roberto Botta
Hazelnut (Corylus avellana L.) is one of the most important tree nut crops in Europe. Germplasm accessions are conserved in ex situ repositories, located in countries where hazelnut production occurs. In this work, we used ten simple sequence repeat (SSR) markers as the basis to establish a core collection representative of the hazelnut genetic diversity conserved in different European collections. A total of 480 accessions were used: 430 from ex situ collections and 50 landraces...

Grey Literature produced and made available by Universities – Helping future Scholars or Plagiarists?

Primož Južnic
Universities and other institutions of higher education are far the greatest producers of grey literature (GL). Most of their education process is based on various written essays or other sorts of similar tasks. Even more important, the whole process is usually finished by some sort of written theses/dissertation (graduation work, diploma) that shows a graduate is capable of research work and has a proper knowledge of the field. The traditional paradigm was to make this...

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