Data from: A pre-Miocene Irano-Turanian cradle: origin and diversification of the species-rich monocot genus Gagea (Liliaceae)Angela Peterson, Dörte Harpke, Jens Peterson, Alexander Harpke & Lorenzo Peruzzi
The Irano‐Turanian (IT) floristic region is considered an important centre of origin for many taxa. However, there is a lack of studies dealing with typical IT genera that also occur in neighbouring areas. The species-rich monocot genus Gagea Salisb. shows a centre of diversity in IT region and a distribution in adjacent regions, therefore representing a good study object to investigate spatial and temporal relationships among IT region and its neighbouring areas (East-Asia, Euro-Siberia, Himalaya,...
Data from: Increasing plant diversity of experimental grasslands alters the age and growth of Plantago lanceolata from younger and faster to older and slowerAnna Roeder, Fritz H. Schweingruber, Markus Fischer & Christiane Roscher
The persistence of plant populations depends on the ability of individuals to cope with the conditions provided by the community. So far, it is not known whether differences in the diversity and composition of plant communities affect the age structure of plant populations or the expression of stem anatomical traits reflecting investment into plant growth and storage. We analyzed annual growth rings in the secondary xylem and measured stem anatomical traits in individuals from 18...
Data from: Spatially structured intraspecific trait variation can foster biodiversity in disturbed, heterogeneous environmentsThomas Banitz
Trait variation within populations is an important area of research for empirical and theoretical ecologists. While differences between individuals are doubtlessly ubiquitous, their role for species coexistence is much less clear and highly debated. Both unstructured (random) and structured (linked to space, time or inheritance) intraspecific trait variation (ITV) may modify species interactions with nontrivial consequences for emerging community compositions. In many ecosystems, these compositions are further driven by prevalent disturbance regimes. I therefore explored...
Inferring competitive outcomes, ranks and intransitivity from empirical data: A comparison of different methodsEnrica De Luca, Bernhard Schmid, Yanhao Feng, Santiago Soliveres, Eric Allan, Benjamin Rosenbaum, Cameron Wagg, Andrea Tabi, Nico Eisenhauer, Alexandra Weigelt, Wolfgang W. Weisser, Christiane Roscher & Markus Fischer
The inference of pairwise competitive outcomes (PCO) and multispecies competitive ranks and intransitivity from empirical data is essential to evaluate how competition shapes plant communities. Three categories of methods, differing in theoretical background and data requirements, have been used: (a) theoretically sound coexistence theory‐based methods, (b) index‐based methods, and (c) ‘process‐from‐pattern’ methods. However, how they are related is largely unknown. In this study, we explored the relations between the three categories by explicitly comparing three...
Helmholtz Centre for Environmental Research4
German Center for Integrative Biodiversity Research1
University of Zurich1
University of Bern1
Institute of Plant Genetics and Crop Plant Research1
Centro di Ecologia Teorica ed Applicata1
University of Pisa1
Swiss Federal Institute for Forest, Snow and Landscape Research1
Martin Luther University Halle-Wittenberg1
Pädagogische Hochschule Bern1