94 Works

Global gradients in intraspecific variation in vegetative and floral traits are partially associated with climate and species richness

Jonas Kuppler, Cécile H. Albert, Gregory M. Ames, W. Scott Armbruster, Gerhard Boenisch, Florian C. Boucher, Diane R. Campbell, Liedson T. Carneiro, Eduardo Chacón-Madrigal, Brian J. Enquist, Carlos R. Fonseca, José M. Gómez, Antoine Guisan, Pedro Higuchi, Dirk N. Karger, Jens Kattge, Michael Kleyer, Nathan J. B. Kraft, Anne-Amélie C. Larue-Kontić, Amparo Lázaro, Martin Lechleitner, Deirdre Loughnan, Vanessa Minden, Ülo Niinemets, Gerhard E. Overbeck … & Robert R. Junker
Aim Intraspecific trait variation (ITV) within natural plant communities can be large, influencing local ecological processes and dynamics. Here, we shed light on how ITV in vegetative and floral traits responds to large-scale abiotic and biotic gradients (i.e. climate and species richness). Specifically, we tested if associations of ITV with temperature, precipitation and species richness were consistent with any of from four hypotheses relating to stress-tolerance and competition. Furthermore, we estimated the degree of correlation...

Linked-read sequencing enables haplotype-resolved resequencing at population scale

Dave Lutgen, Raphael Ritter, Remi-Andre Olsen, Holger Schielzeth, Joel Gruselius, Philip Ewels, Jesús García, Hadoram Shirihai, Manuel Schweizer, Alexander Suh & Reto Burri
The feasibility to sequence entire genomes of virtually any organism provides unprecedented insights into the evolutionary history of populations and species. Nevertheless, many population genomic inferences – including the quantification and dating of admixture, introgression and demographic events, and inference of selective sweeps – are still limited by the lack of high-quality haplotype information. The newest generation of sequencing technology now promises significant progress. To establish the feasibility of haplotype-resolved genome resequencing at population scale,...

Reassessing evidence of Moon-Earth dynamics: No evidence of shorter lunar months from tidal bundles at 3.2 Ga (Moodies Group, Barberton Greenstone Belt)

Christoph E. Heubeck & Tom Eulenfeld
The sole Archean data point to reconstruct past orbital parameters of the Earth’s moon is from the Moodies Group (ca. 3.22 Ga) of the Barberton Greenstone Belt. From time-series analysis of tidal bundles of a subaqueous sand wave, Eriksson and Simpson (2000) suggested that the Moon’s anomalistic month at 3.2 Ga was closer to 20 days than the present 27.5 days. This is in apparent accordance with models of orbital mechanics which place the Archean...

Data supplement to: Quality control of image sensors using gaseous tritium light sources

David McFadden, Brad Amos & Rainer Heintzmann
In the article “Quality Control of Image Sensors using Gaseous Tritium Light Sources” (https://doi.org/10.1098/rsta.2021.0130) we propose a practical method for radiometrically calibrating cameras using widely available gaseous tritium light sources (betalights). This dataset includes all the recorded data along with the scripts necessary to reproduce the results and figures.

Data from: Thermal differences between juveniles and adults increased over time in European forest trees

Maria Mercedes Caron, Florian Zellweger, Kris Verheyen, Lander Baeten, Radim Hédl, Bernhardt-Römermann Markus, Imre Berki, Jörg Brunet, Guillaume Decocq, Sandra Díaz, Thomas Dirnböck, Tomasz Durak, Thilo Heinken, Bogdan Jaroszewicz, Martin Kopecký, Jonathan Lenoir, Martin Macek, Malicki Marek, František Máliš, Thomas Nagel, Michael Perring, Petr Petřík, Kamila Reczyńska, Remigiusz Pielech, Wolfgang Schmidt … & Pieter De Frenne
Woody species’ requirements and environmental sensitivity change from seedlings to adults, a process referred to as ontogenetic shift. Such shifts can be increased by climate change. To assess the changes in the difference of temperature experienced by seedlings and adults in the context of climate change, it is essential to have reliable climatic data over long periods that capture the thermal conditions experienced by the individuals throughout their life cycle. Here we used a unique...

Estimating historic N- and S-deposition with publicly available data – An example from Central Germany

David Schellenberger Costa, Johanna Otto, Ines Chmara & Markus Bernhardt-Römermann
The deposition of reactive nitrogen and sulphur has profound effects on ecosystem functioning. In the last decades, monitoring networks providing high resolution spatio-temporal deposition estimates have been set up, but equivalent information on historic deposition is mostly missing. However, understanding vegetation change and mitigate future loss of biodiversity and ecosystem functioning is only possible evaluating the effects of its strongest drivers, which includes deposition in many ecosystems. Here, we combine different data sources to provide...

Inheritance of color morphs in Chorthippus dorsatus

Gabe Winter, Mahendra Varma & Holger Schielzeth
The green-brown polymorphism of grasshoppers and bush-crickets represents one of the most penetrant polymorphisms in any group of organisms. This poses the question of why the polymorphism is shared across species and how it is maintained. There is mixed evidence for whether and in which species it is environmentally or genetically determined in Orthoptera. We report breeding experiments with the steppe grasshopper Chorthippus dorsatus, a polymorphic species for the presence and distribution of green body...

Sequence stratigraphy of the Moodies Group (3.2 Ga), Barberton Greenstone Belt, South Africa

Deon J. Janse van Rensburg , Christoph Heubeck & Sebastian Reimann
The Moodies Group (~3.2 Ga) of the Barberton Greenstone Belt is one of the oldest and best-preserved shallow-water siliciclastic sequences. It also harbors one of the largest occurrences of Paleoarchean microbial mats and the oldest record of early Earth-Moon dynamics. The extent (ca. 40 km * 70 km), lithologic and alluvial-to-prodeltaic facies diversity (incl. paleosols, pedogenic concretions and microbial mats etc.) , good outcrop, and excellent preservation of Moodies strata allows the recognition of mappable...

Data from: Phylogenomics and the evolution of hemipteroid insects

Kevin P. Johnson, Christopher H. Dietrich, Frank Friedrich, Rolf G. Beutel, Benjamin Wipfler, Ralph S. Peters, Julie M. Allen, Malte Petersen, Alexander Donath, Kimberly K. O. Walden, Alexey M. Kozlov, Lars Podsiadlowski, Christoph Mayer, Karen Meusemann, Alexandros Vasilikopoulos, Robert M. Waterhouse, Stephen L. Cameron, Christiane Weirauch, Daniel R. Swanson, Diana M. Percy, Nate B. Hardy, Irene Terry, Shanlin Liu, Xin Zhou, Bernhard Misof … & Kazunori Yoshizawa
Hemipteroid insects (Paraneoptera), with over 10% of all known insect diversity, are a major component of terrestrial and aquatic ecosystems. Previous phylogenetic analyses have not consistently resolved the relationships among major hemipteroid lineages. We provide maximum likelihood-based phylogenomic analyses of a taxonomically comprehensive dataset comprising sequences of 2,395 single-copy, protein-coding genes for 193 samples of hemipteroid insects and outgroups. These analyses yield a well-supported phylogeny for hemipteroid insects. Monophyly of each of the three hemipteroid...

Data from: Bacterial diversity amplifies nutrient-based plant-soil feedbacks

Simone Weidner, Robert Koller, Ellen Latz, George Kowalchuk, Michael Bonkowski, Stefan Scheu & Alexandre Jousset
Plants foster diverse assemblages of bacteria in the rhizosphere serving important functions which may result in enhanced plant growth. Microbial diversity is increasingly recognized to shape the functionality of microbial communities. This leads to the assumption that there is a positive relationship between rhizosphere diversity and plant growth. Here we investigate how bacterial diversity affects the mineralization of organic matter and plant nutrient acquisition. We hypothesized that altered bacterial diversity will affect nitrogen mineralisation, uptake...

Data from: A phylogenomic approach to reconstruct interrelationships of main clupeocephalan lineages with a critical discussion of morphological apomorphies.

Nicolas Straube, Chenhong Li, Matthias Mertzen, Hao Yuan & Timo Moritz
Background: Previous molecular studies on the phylogeny and classification of clupeocephalan fishes revealed numerous new taxonomic entities. For re-analysing these taxa on a phylogenomic scale, we perform target gene capturing and subsequent next generation sequencing of putative ortholog exons of major clupeocephalan lineages. Sequence information for the RNA bait design was derived from publicly available genomes of bony fishes. Newly acquired sequence data comprising >800 exon sequences was subsequently used for phylogenetic reconstructions. Results: Our...

Data from: The evolution of locomotor rhythmicity in tetrapods

Callum F. Ross, Richard W. Blob, David R. Carrier, Monica A. Daley, Stephen M. Deban, Brigitte Demes, Janaya L. Gripper, Jose Iriarte-Diaz, Brandon Michael Kilbourne, Tobias Landberg, John D. Polk, Nadja Schilling & Bieke Vanhooydonck
Differences in rhythmicity (relative variance in cycle period) between mammal, fish, and lizard feeding systems have been hypothesized to be associated with differences in their sensorimotor control systems. We tested this hypothesis by examining whether the locomotion of tachymetabolic tetrapods (birds and mammals) is more rhythmic than that of bradymetabolic tetrapods (lizards, alligators, turtles, salamanders). Species averages of intra-individual coefficients of variation in cycle period were compared while controlling for gait and substrate. Variance in...

Data from: Trait patterns of epiphytes compared to other plant life forms along a tropical elevation gradient

David Schellenberger Costa, Gerhard Zotz, Andreas Hemp & Michael Kleyer
Compared to other plant life forms, epiphytes remain understudied. Understanding the responses of epiphytes to changing environmental conditions is necessary to predict changes in ecosystem functioning especially in subtropical and tropical regions. We investigated the functional traits of epiphytes along a large elevation gradient on Mount Kilimanjaro, Tanzania. We measured traits of co-occurring trees and terrestrial non-tree life forms, and compared changes in community-weighted means of traits (CWM) and trait spread, the range of observed...

Data from: Ultraviolet radiation exposure time and intensity modulate tomato resistance against herbivory through activation of the jasmonic acid signaling

Rocío Escobar-Bravo, Gang Chen, Hye Kyong Kim, Katharina Grosser, Nicole M. Van Dam, Kirsten A. Leiss, Peter G.L. Klinkhamer & Peter G L Klinkhamer
Ultraviolet (UV) radiation can modulate plant defenses against herbivorous arthropods. We investigated how different UV exposure times and irradiance intensities affected tomato (Solanum lycopersicum) resistance to thrips (Frankliniella occidentalis) by assessing UV effects on thrips-associated damage and host-selection, selected metabolite and phytohormone contents, expression of defense-related genes, and trichome density and chemistry, the latter having dual roles in defense and UV protection. Short UV daily exposure times increased thrips resistance in the cultivar ‘Moneymaker’ but...

Data from: Parallel plumage color evolution and introgressive hybridization in wheatears

Manuel Schweizer, Vera Warmuth, Niloofar Alaei Kakhki, Mansour Aliabadian, Marc Förschler, Hadoram Shirihai, Alexander Suh & Reto Burri
Genetic and phenotypic mosaics, in which various phenotypes and different genomic regions show discordant patterns of species or population divergence, offer unique opportunities to study the role of ancestral and introgressed genetic variation in phenotypic evolution. Here, we investigated the evolution of discordant phenotypic and genetic divergence in a monophyletic clade of four songbird taxa – pied wheatear (O. pleschanka), Cyprus wheatear (O. cypriaca), and western and eastern subspecies of black-eared wheatear (O. h. hispanica...

Data from: Applying generalised allometric regressions to predict live body mass of tropical and temperate arthropods

Esra H. Sohlström, Lucas Marian, Andrew D. Barnes, Noor F. Haneda, Stefan Scheu, Björn C. Rall, Ulrich Brose & Malte Jochum
1. The ecological implications of body size extend from the biology of individual organisms to ecosystem–level processes. Measuring body mass for high numbers of invertebrates can be logistically challenging, making length-mass regressions useful for predicting body mass with minimal effort. However, standardised sets of scaling relationships covering a large range in body length, taxonomic groups, and multiple geographical regions are scarce. 2. We collected 6212 arthropods from 19 higher-level taxa in both temperate and tropical...

Data from: The simultaneous inducibility of phytochemicals related to plant direct and indirect defences against herbivores is stronger at low elevation

Loïc Pellissier, Xoaquín Moreira, Holger Danner, Martha Serrano, Nicolas Salamin, Nicole M. Van Dam & Sergio Rasmann
Ecological theory indicates that warmer and more stable climates should result in stronger biotic interactions. Therefore, plant species growing at lower elevations and experiencing greater herbivore pressure, should invest in higher levels of defences than those at higher elevations. Nonetheless, there are a number of studies that have found no effect of elevational gradients on plant defensive traits. Several factors might explain the lack of consistency for the altitude-defence relationships; including 1) the reduction of...

Data from: Stay at home aphids: comparative spatial and seasonal metapopulation structure and dynamics of two specialist tansy aphid species studied using microsatellite markers

Hugh D. Loxdale, Gerhard Schöfl, Kerstin R. Wiesner, Franklin N. Nyabuga, David G. Heckel & Wolfgang W. Weisser
Two tansy-feeding aphids – Macrosiphoniella tanacetaria (MA) and Metopeurum fuscoviride (ME) – were studied at a small spatial scale in and around Jena (< 80 km2) using polymorphic microsatellite markers. Both species were found in ~ 60% of sites formerly known to harbour the aphids, although generally when they did occur, they occurred singly (MA ~ 50%; ME ~60%) and rarely together on the same plant at the same time (~10%) and then usually only...

Age and textural anisotropy of the SCLM derived from studies on xenolithsof the Central European Cenozoic Igneous Province (CECIP)

Michael Abratis, Gerd Brey & Lothar Viereck-Goette

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  • Friedrich Schiller University Jena
  • German Center for Integrative Biodiversity Research
  • University of Göttingen
  • University of Lausanne
  • University of Freiburg
  • Uppsala University
  • Zoological Research Museum Alexander Koenig
  • Max Planck Institute for Chemical Ecology
  • Swiss Federal Institute for Forest, Snow and Landscape Research
  • Helmholtz Centre for Environmental Research