56 Works

Data from: Spatial heterogeneity in species composition constrains plant community responses to herbivory and fertilization

Dorothee Hodapp, Elizabeth T. Borer, W. Stanley Harpole, Eric M. Lind, Eric W. Seabloom, Peter B. Adler, Juan Alberti, Carlos A. Arnillas, Jonathan D. Bakker, Lori Biederman, Marc Cadotte, Elsa E. Cleland, Scott Collins, Philip A. Fay, Jennifer Firn, Nicole Hagenah, Yann Hautier, Oscar Iribarne, Johannes M.H. Knops, Rebecca L. McCulley, Andrew MacDougall, Joslin L. Moore, John W. Morgan, Brent Mortensen, Kimberly J. La Pierre … & Johannes M. H. Knops
Environmental change can result in substantial shifts in community composition. The associated immigration and extinction events are likely constrained by the spatial distribution of species. Still, studies on environmental change typically quantify biotic responses at single spatial (time series within a single plot) or temporal (spatial beta-diversity at single time points) scales, ignoring their potential interdependence. Here, we use data from a global network of grassland experiments to determine how turnover responses to two major...

Data from: Hybridization among the species of Veronica subg. Pseudolysimachium from the Altai detected by SRAP markers

Petr Kosachev, Eike Mayland-Quellhorst & Dirk C. Albach
Veronica subg. Pseudolysimachium is widely known and cultivated because of the large and dense inflorescences of its species. Their success as cultivated plant stems in part to the cross-compatibility across the subgenus and in the part to the wide ecological amplitude from species growing in wetlands to others growing in semi-deserts. Hybridization between species is believed to be frequent due to the large morphological variation and intermediate forms in sympatry of their putative parents. The...

Data from: Selective modulation of interhemispheric functional connectivity by HD-tACS shapes perception

Randolph Frederik Helfrich, Hannah Knepper, Guido Nolte, Daniel Strüber, Stefan Rach, Christoph S. Herrmann, Till R. Schneider & Andreas K. Engel
Oscillatory neuronal synchronization between cortical areas has been suggested to constitute a flexible mechanism to coordinate information flow in the human cerebral cortex. However, it remains unclear whether synchronized neuronal activity merely represents an epiphenomenon or whether it is causally involved in the selective gating of information. Here, we combined bilateral high-density transcranial alternating current stimulation (HD-tACS) at 40 Hz with simultaneous electroencephalographic (EEG) recordings to study immediate electrophysiological effects during the selective entrainment of...

Data from: Simulating climate change in situ in a tropical rainforest understorey using active air warming and CO2 addition

Maaike Y. Bader, Elodie Moureau, Nada Nikolić, Thomas Madena, Nils Koehn & Gerhard Zotz
Background: Future climate-change effects on plant growth are most effectively studied using microclimate-manipulation experiments, the design of which has seen much advance in recent years. For tropical forests, however, such experiments are particularly hard to install and have hence not been widely used. We present a system of active heating and CO2 fertilisation for use in tropical forest understoreys, where passive heating is not possible. The system was run for two years to study climate-change...

Data from: Traits mediate niches and co-occurrences of forest beetles in ways that differ among bioclimatic regions

Ryan C. Burner, Jörg G. Stephan, Lukas Drag, Tone Birkemoe, Jörg Muller, Tord Snäll, Otso Ovaskainen, Mária Potterf, Juha Siitonen, Olav Skarpaas, Inken Doerfler, Martin M. Gossner, Peter Schall, Wolfgang W. Weisser & Anne Sverdrup-Thygeson
Aim To investigate the role of traits in beetle community assembly and test for consistency in these effects among several bioclimatic regions. We asked (1) whether traits predicted species’ responses to environmental gradients (i.e., their niches), (2) whether these same traits could predict co-occurrence patterns, and (3) how consistent were niches and the role of traits among study regions. Location Boreal forests in Norway and Finland, temperate forests in Germany. Methods We complied capture records...

Vascular epiphyte global distributions

Amanda Taylor, Gerhard Zotz, Patrick Weigelt, Lirong Cai, Dirk Karger, Christian König & Holger Kreft
Aim: Vascular epiphytes are ubiquitous components of wet tropical forests where they contribute substantially to local and regional plant diversity. While some basic epiphyte distribution patterns are relatively well studied, little effort has been made to understand the drivers responsible for constraining their global distribution. This study quantifies the substantial contribution of epiphytes to global gradients and centres of vascular plant diversity and explores whether epiphytes vary from terrestrial plants in relation to contemporary and...

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