27 Works

Integrative ichthyological species delimitation in the Greenthroat Darter complex (Percidae: Etheostomatinae)

Daniel MacGuigan, Christopher Hoagstrom, Sami Domisch, C. Hulsey & Thomas Near
Species delimitation is fundamental to deciphering the mechanisms that generate and maintain biodiversity. Alpha taxonomy historically relied on expert knowledge to describe new species using phenotypic and biogeographic evidence, which has the appearance of investigator subjectivity. In contrast, DNA‐based methods using the multispecies coalescent model (MSC) promise a more objective approach to describing biodiversity. However, recent criticisms suggest that under some conditions the MSC may over‐split lineages, identifying species that do not reflect biological reality....

Data for spin quantum beats in pump push spectroscopy

Christoph Lambert, David Mims, Jonathan Herpich, Nikita Lukzen & Ulrich Steiner
Spin quantum beats prove the quantum nature of reactions involving radical pairs, the key species of spin chemistry. However, such quantum beats remain hidden to transient-absorption-based optical observation because the spin hardly affects the radical pairs’ absorption properties. We succeeded in demonstrating such quantum beats in the photo-induced charge separated state (CSS) of an electron-donor-acceptor dyad by using two laser pulses, one for pumping the sample, and another one, with variable delay, for further exciting...

Data from: Dual function and associated costs of a highly exaggerated trait in a cichlid fish

Sina Julia Rometsch, Julián Torres-Dowdall, Gonzalo Machado-Schiaffino, Nidal Karagic & Axel Meyer
Exaggerated secondary sexual characteristics are apparently costly and seem to defy natural selection. This conundrum prompted Charles Darwin to propose the theory of sexual selection. Accordingly, exaggerated secondary sexual characteristics might be ornaments on which female choice is based and/or armaments used during male-male competition. Males of many cichlid fish species, including the adaptive radiation of Nicaraguan Midas cichlids, develop a highly exaggerated nuchal hump, which is thought to be a sexually selected trait. To...

RepeatModeler and RepeatMasker output files

Reuben Nowell, Christopher Wilson, Pedro Almeida, Philipp Schiffer, Diego Fontaneto, Lutz Becks, Fernando Rodriguez, Irina Arkhipova & Timothy Barraclough
Transposable elements (TEs) are selfish genomic parasites whose ability to spread autonomously is facilitated by sexual reproduction in their hosts. If hosts become obligately asexual, TE frequencies and dynamics are predicted to change dramatically, but the long-term outcome is unclear. Here, we test current theory using whole-genome sequence data from eight species of bdelloid rotifers, a class of invertebrates in which males are thus far unknown. Contrary to expectations, we find a variety of active...

Flexibility in Red Sea Tridacna maxima-Symbiodiniaceae associations supports environmental niche adaptation datasets

Benjamin Hume, Susann Rossbach, Anny Cardenas, Gabriela Perna, Christian Voolstra & Carlos Duarte
Giant clams (Tridacninae) are important members of Indo-Pacific coral reefs and among the few bivalve groups that live in a symbiosis with unicellular algae (Symbiodiniaceae). Despite the importance of these endosymbiotic dinoflagellates for clam ecology, the diversity and specificity of these associations remains relatively poorly studied, especially in the Red Sea. Here, we used the internal transcribed spacer 2 (ITS2) rDNA gene region to investigate Symbiodiniaceae communities associated with Red Sea Tridacna maxima clams. We...

Data from: Responses of native and invasive woody seedlings to combined competition and drought are species-specific

Judy Simon, Andrea Bueno & Karin Pritsch
A greenhouse experiment was conducted to evaluate the effects of drought on the interactions between native and invasive tree species. Organic and inorganic net N uptake capacity and total soluble protein as well as total soluable amino acid contents were quantified in leaves and fine roots of the native species Fagus sylvatica L., Quercus robur L. and Pinus sylvestris L.) and the invasive species Prunus serotina Ehrh. and Robinia pseudoacacia L.. We used a fully...

Data from: Biomass responses of widely and less-widely naturalized alien plants to artificial light at night

Benedikt Speißer, Yanjie Liu & Mark Van Kleunen
Artificial light at night has rapidly increased during the last century, and could potentially affect many ecological processes, from individuals via communities to entire ecosystems. Recent research has shown that artificial light at night may not only affect the behavior of animals but also growth of plants and vegetation composition. However, it is not known yet whether artificial light at night may also affect other global change components such as plant invasions. Here, we tested...

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...

Limited phenological and pollinator-mediated isolation among selfing and outcrossing Arabidopsis lyrata populations

Courtney E. Gorman, Lindsay Bond, Mark Van Kleunen, Marcel E. Dorken & Marc Stift
Transitions from outcrossing to selfing have been a frequent evolutionary shift in plants and clearly play a role in species divergence. However, many questions remain about the initial mechanistic basis of reproductive isolation during the evolution of selfing. For instance, how important are pre-zygotic pre-pollination mechanisms (e.g. changes in phenology and pollinator visitation) in maintaining reproductive isolation between newly arisen selfing populations and their outcrossing ancestors? To test whether changes in phenology and pollinator visitation...

Data from: Tree species rather than type of mycorrhizal association drives inorganic and organic nitrogen acquisition in tree-tree interactions

Judy Simon, Robert Reuter, Olga Ferlian, Mika Tarkka, Nico Eisenhauer & Karin Pritsch
A field study was conducted to evaluate the effects of associated mycorrhization type on tree-tree interactions using the framework of the MyDiv tree diversity experiment established at the Bad Lauchstädt Experimental Research Station of the Helmholtz Centre for Environmental Research (UFZ) (Saxony-Anhalt, Germany). Inorganic and organic net N uptake capacity was quantified in fine roots of AM (i.e. Acer pseudoplatanus L., Fraxinus excelsior L., and Prunus avium L.) as well as EM associated tree species...

Data for: Relative abundance of nitrogen cycling microbes in coral holobionts reflects environmental nitrate availability

Arjen Tilstra, Florian Roth, Yusuf El-Khaled, Claudia Pogoreutz, Nils Rädecker, Christian Wild & Christian Voolstra
Recent research suggests that nitrogen (N) cycling microbes are important for coral holobiont functioning. In particular, coral holobionts may acquire bioavailable N via prokaryotic dinitrogen (N2) fixation or remove excess N via denitrification activity. However, our understanding of environmental drivers on these processes in hospite remains limited. Employing the strong seasonality of the central Red Sea, this study assessed the effects of environmental parameters on the proportional abundances of N cycling microbes associated with the...

Fatty acid composition data for producers and consumers

Cornelia Twining, Joey Bernhardt & Blake Matthews
The nutritional diversity of resources can affect the adaptive evolution of consumer metabolism and consumer diversification. The omega-3 long-chain polyunsaturated fatty acids eicosapentaenoic acid (EPA; 20:5n-3) and docosahexaenoic acid (DHA; 22:6n-3) have a high potential to affect consumer fitness, through their widespread effects on reproduction, growth, and survival. However, few studies consider the evolution of fatty acid metabolism within an ecological context. In the paper associated with this dataset, we document the extensive diversity in...

No evidence for incipient speciation by selfing in North American Arabidopsis lyrata

Courtney Gorman, Yan Li, Marcel Dorken & Marc Stift
Self-fertilization inherently restricts gene flow by reducing the fraction of offspring that can be produced by inter-population matings. Therefore, mating system transitions from outcrossing to selfing could result in reproductive isolation between selfing and outcrossing lineages and provide a starting point for speciation. In newly diverged lineages, for example after a transition to selfing, further reproductive isolation can be caused by a variety of prezygotic and postzygotic mechanisms that operate before, during, and after pollination....

A genetically based ecological trade-off contributes to setting a geographic range limit

Alexander Mauro, Julian Torres-Dowdall, Craig Marshall & Cameron Ghalambor
Understanding the ecological factors that shape geographic range limits and the evolutionary constraints that prevent populations from adaptively evolving beyond these limits is an unresolved question. Here, we investigated why the euryhaline fish, Poecila reticulata, is confined to freshwater within its native range, despite being tolerant of brackish water. We hypothesized that competitive interactions with a close relative, Poecilia picta, in brackish water prevents P. reticulata from colonizing brackish water. Using a combination of field...

The interplay of wind and uplift facilitates over-water flight in facultative soaring birds

Elham Nourani, Gil Bohrer, Paolo Becciu, Richard O Bierregaard, Olivier Duriez, Jordi Figuerola, Laura Gangoso, Sinos Giokas, Hiroyoshi Higuchi, Christina Kassara, Olga Kulikova, Nicolas Lecomte, Flavio Monti, Ivan Pokrovsky, Andrea Sforzi, Jean-François Therrien, Nikos Tsiopelas, Wouter MG Vansteelant, Duarte S Viana, Noriyuki M Yamaguchi, Martin Wikelski & Kamran Safi
Flying over the open sea is energetically costly for terrestrial birds. Despite this, over-water journeys of many birds, sometimes hundreds of kilometers long, are uncovered by bio-logging technology. To understand how these birds afford their flights over the open sea, we investigated the role of atmospheric conditions, specifically wind and uplift, in subsidizing over-water flight at the global scale. We first established that ∆T, the temperature difference between sea surface and air, is a meaningful...

Effect of mutation supply on population dynamics and trait evolution in experimental microbial community

Johannes Cairns, Alexandre Jousset, Lutz Becks & Teppo Hiltunen
Mutation supply can influence eco-evolutionary dynamics in important ways which have received little attention. Mutation supply determines key features of population genetics, such as the pool of adaptive mutations, evolutionary pathways available, and importance of processes such as clonal interference. The resultant trait evolutionary dynamics, in turn, can alter population size and species interactions. However, controlled experiments testing for the importance of mutation supply on rapid adaptation and thereby population and community dynamics are lacking....

Data from: Optimal allocation ratios: A square root relationship between the ratios of symbiotic costs and benefits

Brian Steidinger
All organisms struggle to make sense of environmental stimuli in order to maximize their fitness. For animals, single cells and superorganisms responses to stimuli are generally proportional to stimulus ratios – a phenomenon described by Weber’s Law. However, Weber’s Law has not yet been used to predict how plants respond to stimuli generated from their symbiotic partners. Here, we develop a model for quantitatively predicting the carbon (C) allocation ratios into symbionts that provide nutrients...

Data from: Declines in occurrence of plants characteristic for a nutrient-poor meadow habitat are partly explained by their responses to nutrient addition and competition

Stefanie Höckendorff, Markus Peintinger, Felicitas Fiedler, Marc Stift & Mark Van Kleunen
Species losses and local extinctions are alarmingly common, frequently as a consequence of habitat destruction. Nevertheless, many intact habitats also face species losses, most likely due to environmental changes. However, the exact drivers, and why they affect some species more than others in apparently intact habitats, are still poorly understood. Addressing these questions requires data on changes in occurrence frequency of many species, and comparisons of the responses of those species to experimental manipulations of...

Hydrogen isotopes (d2H) of polyunsaturated fatty acids track bioconversion by zooplankton

Matthias Pilecky, Samuel Kämmer, Margaux Mathieu-Resuge, Dominik Martin-Creuzburg, Sami Taipale, Leonard Wassenaar & Martin Kainz
Organisms at the base of aquatic food webs synthesize essential nutrients, such as omega-3 polyunsaturated fatty acids (n-3 PUFA), which are transferred to consumers at higher trophic levels. Many consumers, requiring n-3 long-chain (LC) PUFA, such as eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), have limited ability to bioconvert them from the essential dietary precursor α-linolenic acid (ALA) and thus rely on dietary provision of LC-PUFA. We investigated LC-PUFA metabolism in freshwater zooplankton using stable...

Soil conditions drive belowground trait space in temperate agricultural grasslands

Tom Lachaise, Joana Bergmann, Norbert Hölzel, Valentin Klaus, Till Kleinebecker, Matthias Rillig & Mark Van Kleunen
Plant belowground organs perform essential functions, including water and nutrient uptake, anchorage, vegetative reproduction and recruitment of mutualistic soil microbiota. Recently, multivariate analyses showed that root traits of species can largely be linked to a ‘conservation’ and a ‘collaboration’ gradient. Here, we tested whether this species-level bidimensional belowground trait space also exists at the community level in grasslands. Furthermore, we tested whether the position of grassland communities in belowground trait space relates to environmental variables....

Characteristics of the naturalized flora of Southern Africa largely reflect the non-random introduction of alien species for cultivation

Ali Omer, Trevor Fristoe, Qiang Yang, Noëlie Maurel, Patrick Weigelt, Holger Kreft, Jonas Bleilevens, Wayne Dawson, Franz Essl, Jan Pergl, Mark Van Kleunen & Petr Pyšek
This dataset contains data on the cultivated alien and native flora of Southern Africa associated with data on geographic origins, growth form, functional traits, and naturalization status extracted from different data sources described in Omer, A. et al. 2021. Characteristics of the naturalized flora of Southern Africa largely reflect the non-random introduction of alien species for cultivation– Ecography. doi: 10.1111/ecog.05669. It is frequently overlooked, however, that patterns in origin, phylogeny, and traits of naturalized alien...

Fine-scale changes in speed and altitude suggest protean movements in homing pigeon flights

Baptiste Garde, Rory Wilson, Emmanouil Lempidakis, Luca Börger, Steven Portugal, Anders Hedenström, Giacomo Dell'Omo, Michael Quetting, Martin Wikelski & Emily L. C. Shepard
The power curve provides a basis for predicting adjustments that animals make in flight speed, for example in relation to wind, distance, habitat foraging quality and objective. However, relatively few studies have examined how animals respond to the landscape below them, which could affect speed and power allocation through modifications in climb rate and perceived predation risk. We equipped homing pigeons (Columba livia) with high-frequency loggers to examine how flight speed, and hence effort, varies...

Data from: The comparative genomic landscape of adaptive radiation in Crater Lake cichlid fishes

Peiwen Xiong, C. Darrin Hulsey, Carmelo Fruciano, Wai Y. Wong, Alexander Nater, Andreas F. Kautt, Oleg Simakov, Martin Pippel, Shigehiro Kuraku, Axel Meyer & Paolo Franchini
Factors ranging from ecological opportunity to genome composition might explain why only some lineages form adaptive radiations. While being rare, particular systems can provide natural experiments within an identical ecological setting where the factors promoting increased species numbers and phenotypic divergence in two closely related lineages is notably different. We investigated one such natural experiment using two de novo assembled and 40 re-sequenced genomes and asked why two closely related Neotropical cichlid fish lineages, the...

Global maps of current (1979-2013) and future (2061-2080) habitat suitability probability for 1,485 European endemic plant species

Robin Pouteau, Idoia Biurrun, Caroline Brunel, Milan Chytrý, Wayne Dawson, Franz Essl, Trevor Fristoe, Rense Haveman, Carsten Hobohm, Florian Jansen, Holger Kreft, Jonathan Lenoir, Bernd Lenzner, Carsten Meyer, Jesper Erenskjold Moeslund, Jan Pergl, Petr Pyšek, Jens-Christian Svenning, Wilfried Thuiller, Patrick Weigelt, Thomas Wohlgemuth, Qiang Yang & Mark Van Kleunen
Aims: The rapid increase in the number of species that have naturalized beyond their native range is among the most apparent features of the Anthropocene. How alien species will respond to other processes of future global changes is an emerging concern and remains largely misunderstood. We therefore ask whether naturalized species will respond to climate and land-use change differently than those species not yet naturalized anywhere in the world. Location: Global Methods: We investigated future...

Data from: An intronic transposon insertion associates with a trans-species color polymorphism in Midas cichlid fishes

Claudius Kratochwil, Andreas Kautt, Alexander Nater, Andreas Härer, Yipeng Liang, Frederico Henning & Axel Meyer
Polymorphisms have fascinated biologists for a long time, but their genetic underpinnings often remained elusive. Here, we aimed to uncover the genetic basis of the gold/dark polymorphism that is eponymous of Midas cichlid fish (Amphilophus spp.) adaptive radiations in Nicaraguan crater lakes. While most Midas cichlids are of the melanic “dark morph”, about 10% of individuals lose their melanic pigmentation during their ontogeny and transition into a conspicuous “gold morph”. Using a new haplotype-resolved long-read...

Registration Year

  • 2021

Resource Types

  • Dataset


  • University of Konstanz
  • University of Vienna
  • German Center for Integrative Biodiversity Research
  • Durham University
  • University of Göttingen
  • Max Planck Institute of Animal Behavior
  • Helmholtz Zentrum München
  • King Abdullah University of Science and Technology
  • Chinese Academy of Sciences
  • National Research Council