82 Works

Data from: Phylogenetic and functional distinctiveness explain alien plant population responses to competition

Sam Levin, Raelene Crandall, Tyler Pokoski, Claudia Stein & Tiffany Knight
Several invasion hypotheses predict a positive association between phylogenetic and functional distinctiveness of aliens and their performance, leading to the idea that distinct aliens compete less with their resident communities. However, synthetic pattern relationships between distinctiveness and alien performance and direct tests of competition as the driving mechanism have not been forthcoming. This is likely because different patterns are observed at different spatial grains, because functional trait and phylogenetic information are often incomplete, and due...

Data from: A tale of scale: plot but not neighbourhood tree diversity increases leaf litter ant diversity

Michael Staab, Merle Noack, Helge Bruelheide, Werner Härdtle, Goddert Von Oheimb, Thomas Scholten, Steffen Seitz & Carl Skarbek
1. Diversity of producers (e.g. plants) usually increases the diversity of associated organisms, but the scale (i.e. the spatial area of plant diversity considered) at which plant diversity acts on other taxa has rarely been studied. Most evidence for cross-taxon diversity relations come from aboveground consumers that directly interact with plants. 2. Experimental tests of plant diversity effects on elusive organisms inhabiting the leaf litter layer, which are important for nutrient cycling and decomposition, are...

Data from: Neighbour species richness and local structural variability modulate aboveground allocation patterns and crown morphology of individual trees

Matthias Kunz, Andreas Fichtner, Werner Härdtle, Pasi Raumonen, Helge Bruelheide & Goddert Von Oheimb
Local neighbourhood interactions are considered a main driver for biodiversity–productivity relationships in forests. Yet, the structural responses of individual trees in species mixtures and their relation to crown complementarity remain poorly understood. Using a large‐scale forest experiment, we studied the impact of local tree species richness and structural variability on above‐ground wood volume allocation patterns and crown morphology. We applied terrestrial laser scanning to capture the three‐dimensional structure of trees and their temporal dynamics. We...

Data from: Temporal variation in the genetic structure of a drone congregation area: An insight into the population dynamics of wild African honeybees (Apis mellifera scutellata)

Rodolfo Jaffe, Vincent Dietemann, Robin Crewe & Robin Moritz
The mating system of the honeybee (Apis mellifera) has been regarded as one of the most panmictic in the animal kingdom, with thousands of males aggregating in drone congregation areas (DCAs) that virgin queens visit to mate with tens of partners. Although males from many colonies gather at such congregations, the temporal changes in the colonies contributing drones remain unknown. Yet, changes in the DCAs' genetic structure will ultimately determine population gene flow and effective...

Data from: Stronger effect of gastropods than rodents on seedling establishment, irrespective of exotic or native plant species origin

Lotte Korell, Claudia Stein, Isabell Hensen, Helge Bruelheide, Katharine N. Suding & Harald Auge
Experimental evidence about how generalist consumers affect exotic plant invasions is equivocal, but most tests have been limited to few plant species, single herbivore guilds, and single locations. Using a seed-addition experiment, we studied effects of gastropods and rodents on recruitment success of 37 exotic and 37 native plant species affiliated to three different functional groups (i.e. grasses, legumes and non-legume herbs). We replicated our seed addition x herbivore exclusion experiment at multiple grassland sites,...

Climate and mycorrhizae mediate the relationship of tree species diversity and carbon stocks in subtropical forests

Guoyong Yan, Franca J. Bongers, Stefan Trogisch, Yin Li, Guoke Chen, Haoru Yan, Xianglu Deng, Keping Ma & Xiaojuan Liu
1. It is increasingly being recognized that tree species diversity has positive effects on forest ecosystem carbon (C) stock. However, at broad spatial scales this relationship may depend on climate conditions and species mycorrhizal associations. 2. Here, observations from 667 forest plots in subtropical China, were used to investigate the effects of species diversity, mean annual precipitation (MAP), mean annual temperature (MAT) and mycorrhizal type (arbuscular or ectomycorrhizal) on the forest C stock and its...

Data from: Temporal variation in the genetic structure of a drone congregation area: An insight into the population dynamics of wild African honeybees (Apis mellifera scutellata)

Rodolfo Jaffe, Vincent Dietemann, Robin Crewe & Robin Moritz
The mating system of the honeybee (Apis mellifera) has been regarded as one of the most panmictic in the animal kingdom, with thousands of males aggregating in drone congregation areas (DCAs) that virgin queens visit to mate with tens of partners. Although males from many colonies gather at such congregations, the temporal changes in the colonies contributing drones remain unknown. Yet, changes in the DCAs' genetic structure will ultimately determine population gene flow and effective...

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