55 Works

Data from: Environmental context determines the limiting demographic processes for plant recruitment across a species’ elevational range

Dominik Merges, Jörg Albrecht, Katrin Böhning-Gaese, Matthias Schleuning & Eike Lena Neuschulz
Plant recruitment is a multi-stage process determining population dynamics and species distributions. Still, we have limited understanding of how the successive demographic processes depend on the environmental context across species’ distributional ranges. We conducted a large-scale transplant experiment to study recruitment of Pinus cembra over six years. We quantified the effects of environmental conditions on four demographic processes and identified the most limiting across and beyond the pines’ elevational range over several years. Realized transition...

Data from: Genome analyses of the sunflower pathogen Plasmopara halstedii provide insights into effector evolution in downy mildews and Phytophthora

Rahul Sharma & Marco Thines
Background: Downy mildews are the most speciose group of oomycetes and affect crops of great economic importance. So far, there is only a single deeply-sequenced downy mildew genome available, from Hyaloperonospora arabidopsidis. Further genomic resources for downy mildews are required to study their evolution, including pathogenicity effector proteins, such as RxLR effectors. Plasmopara halstedii is a devastating pathogen of sunflower and a potential pathosystem model to study downy mildews, as several Avr-genes and R-genes have...

Pacific Introduced Flora (PacIFLora)

Michael Wohlwend, Dylan Craven, Patrick Weigelt, Hanno Seebens, Marten Winter, Holger Kreft, Wayne Dawson, Franz Essl, Mark Van Kleunen, Jan Pergl, Petr Pyšek, James Space, Philip Thomas & Tiffany Knight
The Pacific region has the highest density of naturalized plant species worldwide, which makes it an important area for research on the ecology, evolution and biogeography of biological invasions. While different data sources on naturalized plant species exist for the Pacific, there is no taxonomically and spatially harmonized database available for different subsets of species and islands. A comprehensive, accessible database containing the distribution of naturalized vascular plant species in the Pacific will enable new...

Global impacts of climate change on avian functional diversity

Peter Stewart, Alke Voskamp, Luca Santini, Matthias Biber, Adam Devenish, Christian Hof, Stephen Willis & Joseph Tobias
Climate change is predicted to drive geographical range shifts, leading to fluctuations in species richness worldwide. However, the effect of these changes on functional diversity remains unclear, in part because comprehensive species-level trait data are generally lacking at global scales. Here we use morphometric and ecological traits for 8268 bird species to estimate the impact of climate change on avian functional diversity (FD). We show that future bird assemblages are likely to undergo substantial shifts...

ANDEAN frugivory: data on plant–bird interactions and functional traits of plant and bird species from montane forests along the Andes

D. Matthias Dehling, Irene M. A. Bender, Pedro G. Blendinger, Marcia C. Muñoz, Marta Quitián, Francisco Saavedra, Vinicio Santillán, Katrin Böhning-Gaese, Eike-Lena Neuschulz & Matthias Schleuning
Species differ in their resource use and their interactions with other species and, consequently, they fulfil different functional roles in ecological processes. Species with specialized functional roles (specialists) are considered important for communities because they often interact with species with which few other species interact, thereby contributing complementary functional roles to ecological processes. However, the contribution of specialists could be low if they only interact with a small range of interaction partners. In contrast, species...

Lichen holobionts show compositional structure along elevation

Gregor Rolshausen
Holobionts are dynamic ecosystems that may respond to abiotic drivers with compositional changes. Uncovering elevational diversity patterns within these microecosystems can further our understanding of community-environment interactions. Here we assess how the major components of lichen holobionts – fungal hosts, green algal symbionts, and the bacterial community – collectively respond to an elevational gradient. We analyze populations of two lichen symbioses, Umbilicaria pustulata and U. hispanica, along an elevational gradient spanning 2100 altitudinal meters and...

Data from: The future distribution of the savannah biome: model-based and biogeographic contingency

Glenn R. Moncrieff, Simon Scheiter, Liam Langan, Steven I. Higgins & Antonio Trabucco
The extent of the savanna biome is expected to be profoundly altered by climatic change and increasing atmospheric CO2 concentrations. Contrasting projections are given when using different modelling approaches to estimate future distributions. Furthermore, biogeographic variation within savannas in plant function and structure is expected to lead to divergent responses to global change. Hence the use of a single model with a single savanna tree type will likely lead to biased projections. Here we compare...

Data from: Non-native species spread in a complex network: the interaction of global transport and local population dynamics determines invasion success

Hanno Seebens, Elizabeta Briski, Sara Ghabooli, Tamara Shiganova, Hugh MacIsaac & Bernd Blasius
The number of released individuals, which is a component of propagule pressure, is considered to be a major driver for the establishment success of non-native species. However, propagule pressure is often assumed to result from single or few release events, which does not necessarily apply to the frequent releases of invertebrates or other taxa through global transport. For instance, the high intensity of global shipping may result in frequent releases of large numbers of individuals,...

Data from: Projecting consequences of global warming for the functional diversity of fleshy-fruited plants and frugivorous birds along a tropical elevational gradient

Larissa Nowak, W. Daniel Kissling, Irene M. A. Bender, D. Matthias Dehling, Till Töpfer, Katrin Böhning-Gaese & Matthias Schleuning
Aim: Species in ecological communities are linked by biotic interactions. It is therefore important to simultaneously study the impacts of global warming on interdependent taxa from different trophic levels. Here, we quantify current and potential future associations of functional diversity (based on multiple traits) and functional identity (based on individual traits) between interacting taxa using projection models under climate change. Location: A tropical elevational gradient (500–3500 m a.s.l.) in the Manú biosphere reserve, southeast Peru...

Data from: Y chromosome haplotype distribution of brown bears (Ursus arctos) in Northern Europe provides insight into population history and recovery (Ursus arctos)

Julia Schregel, Hans Geir Eiken, Finn Audun Grøndahl, Frank Hailer, Jouni Aspi, Ilpo Kojola, Konstantin Tirronen, Pjotr Danilov, Alexander Rykov, Eugene Poroshin, Axel Janke, Jon E. Swenson, Snorre B. Hagen & Piotr Danilov
High-resolution, male-inherited Y-chromosomal markers are a useful tool for population genetic analyses of wildlife species, but to date have only been applied in this context to relatively few species besides humans. Using nine Y-chromosomal STR and three Y-chromosomal single nucleotide polymorphism markers (Y-SNPs), we studied whether male gene flow was important for the recent recovery of the brown bear (Ursus arctos) in Northern Europe, where the species declined dramatically in numbers and geographic distribution during...

Data from: Spatial patterns of pathogenic and mutualistic fungi across the elevational range of a host plant

Dominik Merges, Miklós Bálint, Imke Schmitt, Katrin Böhning-Gaese & Eike Lena Neuschulz
1. Fungi are both agents of disease and mutualistic partners of plants. Previous studies have tested the effects of abiotic or biotic factors on plant-associated fungal communities in isolation. However, to better understand patterns of plant-fungal associations, the combined effects of abiotic and biotic drivers across environmental gradients may be important. 2. We investigated the effects of temperature, pH, soil moisture, vegetation cover and distance to host plant on the occurrence and abundance of fungi...

Data from: Observing frugivores or collecting scats: A method comparison to construct quantitative seed dispersal networks

Jan Schlautmann, Finn Rehling, Jörg Albrecht, Bogdan Jaroszewicz, Dana G. Schabo & Nina Farwig
Mutualistic interactions form the basis for many ecological processes and are often analyzed within the framework of ecological networks. These interactions can be sampled with a range of methods and first analyses of pollination networks sampled with different methods showed differences in common network metrics. However, it is yet unknown if metrics of seed dispersal networks are similarly affected by the sampling method and if different methods detect a complementary set of frugivores. This is...

Diurnal timing of nonmigratory movement by birds: the importance of foraging spatial scales

Julie Mallon, Marlee Tucker, Annalea Beard, , Keith Bildstein, Katrin Böhning-Gaese, John Brzorad, Evan Buechley, Javier Bustamante, Carlos Carrapato, José Castillo-Guerrero, Elizabeth Clingham, Mark Desholm, Christopher DeSorbo, Robert Domenech, Hayley Douglas, Olivier Duriez, Peter Enggist, Nina Farwig, Wolfgang Fiedler, Anna Gagliardo, Clara García-Ripollés, Juan Antonio Gil, Morgan Gilmour, Roi Harel … & Bill Fagan
Timing of activity can reveal an organism’s efforts to optimize foraging either by minimizing energy loss through passive movement or by maximizing energetic gain through foraging. Here, we assess whether signals of either of these strategies are detectable in the timing of activity of daily, local movements by birds. We compare the similarities of timing of movement activity among species using six temporal variables: start of activity relative to sunrise, end of activity relative to...

Mammal population densities at a global scale are higher in human-modified areas

Marlee A. Tucker, Luca Santini, Chris Carbone & Thomas Mueller
Global landscapes are changing due to human activities with consequences for both biodiversity and ecosystems. For single species, terrestrial mammal population densities have shown mixed responses to human pressure, with both increasing and decreasing densities reported in the literature. How the impacts of human activities on mammal populations translates into altered global density patterns remains unclear. Here we aim to disentangle the effect of human impacts on large-scale patterns of mammal population densities using a...

The influence of biogeographical and evolutionary histories on morphological trait-matching and resource specialization in mutualistic hummingbird-plant networks

Bo Dalsgaard, Pietro Maruyama, Jesper Sonne, Katrine Hansen, Thais Zanata, Stefan Abrahamczyk, Ruben Alarcon, Andréa Araujo, Francielle Araújo, Silvana Buzato, Edgar Chávez-González, Aline Coelho, Pete Cotton, Román Díaz-Valenzuela, Maria Dufke, Paula Enríquez, Manoel Martins Dias Filho, Erich Fischer, Glauco Kohler, Carlos Lara, Flor Maria Las-Casas, Liliana Rosero Lasprilla, Adriana Machado, Caio Machado, Maria Maglianesi … & Ana M. Martín González
Functional traits can determine pairwise species interactions, such as those between plants and pollinators. However, the effects of biogeography and evolutionary history on trait-matching and trait-mediated resource specialization remain poorly understood. We compiled a database of 93 mutualistic hummingbird-plant networks (including 181 hummingbird and 1,256 plant species), complemented by morphological measures of hummingbird bill and floral corolla length. We divided the hummingbirds into their principal clades and used knowledge on hummingbird biogeography to divide the...

Data from: Within-species trait variation can lead to size limitations in seed dispersal of small-fruited plants

Finn Rehling, Bogdan Jaroszewicz, Leonie Braasch, Jörg Albrecht, Pedro Jordano, Jan Schlautmann, Nina Farwig & Dana Schabo
The inability of small-gaped animals to consume very large fruits may limit seed dispersal of the respective plants. This has often been shown for large-fruited plant species that remain poorly dispersed when large-gaped animal species are lost due to anthropogenic pressure. Little is known about whether gape-size limitations similarly influence seed dispersal of small-fruited plant species that can show a large variation in fruit size within species. In this study, fruit sizes of 15 plant...

Behavioural and morphological traits influence sex-specific floral resource use by hummingbirds

Maria Alejandra Maglianesi, Pietro Maruyama, Ethan Temeles, Matthias Schleuning, Thais Zanata, Marlies Sazima, Aquiles Gutiérrez-Zamora, Oscar Marín-Gómez, Liliana Rosero-Lasprilla, Monica Ramirez Burbano, Alejandra Ruffini, Ricardo Salamanca-Reyes, Ivan Sazima, Laura E. Nuñez-Rosas, María Del Coro Arizmendi, Carsten Rahbek & Bo Dalsgaard
Research on resource partitioning in plant-pollinator mutualistic systems is mainly concentrated at the levels of species and communities, whereas differences between males and females are typically ignored. Nevertheless, pollinators often show large sexual differences in behaviour and morphology, which may lead to sex-specific patterns of resource use with the potential to differentially affect plant reproduction and diversification. We investigated variation in behavioural and morphological traits between sexes of hummingbird species as potential mechanisms underlying sex-specific...

Data from: Facial width predicts male fitness and rank but not survival in Second World War Finnish soldiers

John Loehr & Robert B. O'Hara
We investigated fitness, military rank and survival of facial phenotypes in large scale warfare using 795 Finnish soldiers who fought in the Winter War (1939-40). We measured bizygomatic facial width vs. height - a trait known to predict aggressive behaviour in males - and assessed whether facial morphology could predict survival, lifetime reproductive success (LRS) and social status. We found no difference in survival along the phenotypic gradient, however, wider-faced individuals had greater LRS, but...

Data from: Large birds travel farther in homogeneous environments

Marlee A. Tucker, Olga Alexandrou, , Keith L. Bildstein, Katrin Böhning-Gaese, Chloe Bracis, John N. Brzorad, Evan R. Buechley, David Cabot, Justin M. Calabrese, Carlos Carrapato, André Chiaradia, Lisa C. Davenport, Sarah C. Davidson, Mark Desholm, Christopher R. DeSorbo, Robert Domenech, Peter Enggist, William F. Fagan, Nina Farwig, Wolfgang Fiedler, Christen H. Fleming, Alastair Franke, John M. Fryxell, Clara García-Ripollés … & João Paulo Silva
Aim: Animal movement is an important determinant of individual survival, population dynamics, and ecosystem structure and function. Yet it is still unclear how local movements are related to resource availability and the spatial arrangement of resources. Using resident bird species and migratory bird species outside of the migratory period, we examined how the distribution of resources affect the movement patterns of both large terrestrial birds (e.g., raptors, bustards, hornbills) and waterbirds (e.g., cranes, storks, ducks,...

Data from: Chironomus riparius (Diptera) genome sequencing reveals the impact of minisatellite transposable elements on population divergence

Ann-Marie Oppold, Hanno Schmidt, Marcel Rose, Sören Lukas Hellman, Florian Dolze, Fabian Ripp, Bettina Weich, Urs Schmidt-Ott, Erwin Schmidt, Robert Kofler, Thomas Hankeln & Markus Pfenninger
Active transposable elements (TEs) may result in divergent genomic insertion and abundance patterns among conspecific populations. Upon secondary contact, such divergent genetic backgrounds can theoretically give rise to classical Dobzhansky-Muller incompatibilities (DMI), thus contributing to the evolution of endogenous genetic barriers and eventually cause population divergence. We investigated differential TE abundance among conspecific populations of the non-biting midge Chironomus riparius and evaluated their potential role in causing endogenous genetic incompatibilities between these populations. We focussed...

Data from: Biotic interactions and seed deposition rather than abiotic factors determine recruitment at elevational range limits of an alpine tree

Eike Lena Neuschulz, Dominik Merges, Kurt Bollmann, Felix Gugerli & Katrin Böhning-Gaese
1. Abiotic factors, biotic interactions and dispersal ability determine the spatial distribution of species. Theory predicts that abiotic constraints set range limits under harsh climatic conditions and biotic interactions set range limits under benign climatic conditions, whereas dispersal ability should limit both ends of the distribution. However, empirical studies exploring how these three components jointly affect species across environmental gradients are scarce. 2. Here we present a study that jointly examines these factors to investigate...

Data from: Seed-dispersal networks respond differently to resource effects in open and forest habitats

Maximilian G. R. Vollstaedt, Stefan W. Ferger, Andreas Hemp, Kim M. Howell, Katrin Böhning-Gaese & Matthias Schleuning
While patterns in species diversity have been well studied across large-scale environmental gradients, little is known about how species' interaction networks change in response to abiotic and biotic factors across such gradients. Here we studied seed-dispersal networks on 50 study plots distributed over ten different habitat types on the southern slopes of Mt. Kilimanjaro, Tanzania, to disentangle the effects of climate, habitat structure, fruit diversity and fruit availability on different measures of interaction diversity. We...

Data from: Rapid adaptation to high temperatures in Chironomus riparius

Quentin Foucault, Andreas Wieser, Ann-Marie Waldvogel, Barbara Feldmeyer & Markus Pfenninger
Effects of seasonal or daily temperature variation on fitness and physiology of ectothermic organisms and their ways to cope with such variations have been widely studied. However, the way multivoltines organisms cope with temperature variations from a generation to another is still not well understood and complex to identify. The aim of this study is to investigate whether the multivoltine midge Chironomus riparius Meigen (1803) responds mainly via acclimation as predicted by current theories, or...

Data from: Brown and polar bear Y chromosomes reveal extensive male-biased gene flow within brother lineages

Tobias Bidon, Axel Janke, Steven R. Fain, Hans Geir Eiken, Snorre B. Hagen, Urmas Saarma, Björn M. Hallström, Nicolas Lecomte & Frank Hailer
Brown and polar bears have become prominent examples in phylogeography, but previous phylogeographic studies relied largely on maternally inherited mitochondrial DNA (mtDNA) or were geographically restricted. The male-specific Y chromosome, a natural counterpart to mtDNA, has remained under-explored. Although this paternally inherited chromosome is indispensable for comprehensive analyses of phylogeographic patterns, technical difficulties and low variability have hampered its application in most mammals. We developed 13 novel Y-chromosomal sequence and microsatellite markers from the polar...

Data from: Barrier Behavior Analysis (BaBA) reveals extensive effects of fencing on wide-ranging ungulates

Wenjing Xu, Nandintsetseg Dejid, Valentine Herrmann, Hall Sawyer & Arthur Middleton
1. As human activities expand globally, there is a growing need to identify and mitigate barriers to animal movements. Fencing is a pervasive human modification of the landscape that can impede the movements of wide-ranging animals. Previous research has largely focused on whether fences block movements altogether, but a more nuanced understanding of animals’ behavioral responses to fences may be critical for examining the ecological consequences and prioritizing conservation interventions. 2. We developed a spatial-...

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  • Senckenberg Biodiversity and Climate Research Centre
  • Goethe University Frankfurt
  • Philipp University of Marburg
  • Durham University
  • University of Copenhagen
  • University of Oviedo
  • Biodiversity Research Institute
  • University of Georgia
  • Royal Society for the Protection of Birds
  • Universidade Federal de Minas Gerais