65 Works

Data from: Biomass–density relationships of plant communities deviate from the self‐thinning rule due to age structure and abiotic stress

Maximiliane Herberich, Sebastian Gayler, Madhur Anand, Katja Tielbörger & Maximiliane Marion Herberich
A pertinent debate in plant ecology centers around the generality of the self-thinning rule. However, studies focused on highly simplified settings such as even-aged monospecific populations or optimal conditions. This neglects the fact that most natural communities, to which the classical self-thinning slope is often applied, are age-structured, composed of multiple species and exposed to various types of abiotic stress. With the help of an individual-based model, we relax these simplified assumptions and systematically test...

Environmental heterogeneity predicts global species richness patterns better than area

Kristy Udy, Matthias Fritsch, Katrin Meyer, Ingo Grass, Sebastian Hanß, Florian Hartig, Thomas Kneib, Hoger Kreft, Collins Kukuna, Guy Pe'er, Hannah Reininghaus, Britta Tietjen, Clara-Sophie Van Waveren, Kerstin Wiegand & Teja Tscharntke
Aim: It is widely accepted that biodiversity can be determined by niche-relate processes and by pure area effects from local to global scales. Their relative importance, however, is still disputed, and empirical tests are still surprisingly scarce at the global scale. We compare the explanatory power of area and environmental heterogeneity as a proxy for niche-related processes as drivers of native mammal species richnessworldwide and with biogeographical regions. Location: Global Time Period: Data was collated...

Diversification in evolutionary arenas – assessment and synthesis

Nicolai M. Nürk, H. Peter Linder, Renske E. Onstein, Matthew J. Larcombe, Colin E. Hughes, Laura Piñeiro Fernández, Philipp M. Schlüter, Luis Valente, Carl Beierkuhnlein, Vanessa Cutts, Michael J. Donoghue, Erika J. Edwards, Richard Field, Suzette G.A. Flantua, Steven I. Higgins, Anke Jentsch, Sigrid Liede-Schumann & Michael D. Pirie
Understanding how and why rates of evolutionary diversification vary is a central issue in evolutionary biology, ecology and biogeography. The concept of adaptive radiation has attracted much interest, but is metaphorical and verbal in nature, making it difficult to quantitatively compare different evolutionary lineages or geographic regions. In addition, the causes of evolutionary stasis are relatively neglected. Here we review the central concepts in the evolutionary diversification literature and bring these together by proposing a...

Data from: Middle Bronze Age land use practices in the north-western Alpine foreland – A multi-proxy study of colluvial deposits, archaeological features and peat bogs

Sascha Scherer, Benjamin Höpfer, Katleen Deckers, Elske Fischer, Markus Fuchs, Ellen Kandeler, Eva Lehndorff, Johanna Lomax, Sven Marhan, Elena Marinova, Julia Meister, Christian Poll, Humay Rahimova, Manfred Rösch, Kristen Wroth, Julia Zastrow, Thomas Knopf, Thomas Scholten & Peter Kühn
This paper aims to reconstruct Middle Bronze Age (MBA) land use practices in the north-western Alpine foreland (SW Germany, Hegau). We used a multi-proxy approach including the biogeochemical proxies from colluvial deposits in the surrounding of the well-documented settlement site of Anselfingen and offsite pollen data from two peat bogs. This approach allowed in-depth insights into the MBA subsistence economy and shows that the MBA in the north-western Alpine foreland was a period of establishing...

Negative impact of roadside mowing on arthropod fauna and its reduction with arthropod-friendly mowing technique

Johannes Steidle, Thomas Kimmich, Michael Csader & Oliver Betz
This dataset contains data from the paper: “Steidle, J. L.M., Kimmich, T., Csader, M. Betz, O. 2021. Negative impact of roadside mowing on arthropod fauna and its reduction with “arthropod-friendly” mowing technique. Journal of Applied Entomology.” The study investigates the impact of a conventional mowing head ("MK1200") and a supposedly "insects-friendly" mowing head ("Eco 1200") during roadside mowing on the arthropod fauna. Mowing with a conventional mowing head caused considerable losses in arthropods, ranging from...

Data from: Floral resource diversification promotes solitary bee reproduction and may offset insecticide effects – evidence from a semi-field experiment

Felix Klaus, Teja Tscharntke, Gabriela Bischoff & Ingo Grass
Pollinator declines in agricultural landscapes are driven by multiple stressors, but potential interactions of these remain poorly studied. Using a highly replicated semi-field study with 56 mesocosms of varying wild plant diversity (2-16 species) and oilseed rape treated with a neonicotinoid, we tested the interacting effects of resource diversity and insecticides on reproduction of a solitary wild bee. Compared to mesocosms with oilseed rape monocultures, availability of resources from wild plants complementing oilseed rape doubled...

Human impact, climate and dispersal strategies determine plant invasion on islands

Severin D. H. Irl, Andreas H. Schweiger, Manuel J. Steinbauer, Claudine Ah-Peng, José R. Arévalo, Carl Beierkuhnlein, Alessandro Chiarucci, Curtis C. Daehler, José M. Fernández-Palacios, Olivier Flores, Christoph Kueffer, Petr Madera, Rüdiger Otto, Julienne M. I. Schweiger, Dominique Strasberg & Anke Jentsch
Aim: Biological invasions are likely determined by species dispersal strategies as well as environmental characteristics of a recipient region, especially climate and human impact. However, the contribution of climatic factors, human impact and dispersal strategies in driving invasion processes is still controversial and not well embedded in the existing theoretical considerations. Here, we study how climate, species dispersal strategies and human impact determine plant invasion processes on islands distributed in all major oceans in the...

Data from: Competitive ability of native and alien plants: effects of residence time and invasion status

Christine S. Sheppard & Marco R. Brendel
Competition is commonly thought to underlie the impact of plant invasions. However, competitive effects of aliens and competitive response of natives may also change over time. Indeed, as with time the novelty of an invader decreases, the accumulated eco-evolutionary experience of resident species may eventually limit invasion success. We aimed to gain insights on whether directional changes in biotic interactions over time, or more general differences between natives and aliens, for instance resulting from an...

Data from: Floral scents of a deceptive plant are hyperdiverse and under population-specific phenotypic selection

Eva Gfrerer, Danae Laina, Marc Gibernau, Roman Fuchs, Martin Happ, Till Tolasch, Wolfgang Trutschnig, Anja C. Hörger, Hans Peter Comes & Stefan Dötterl
Floral scent is a key mediator in plant–pollinator interactions; however, little is known to what extent intraspecific scent variation is shaped by phenotypic selection, with no information yet in deceptive plants. We recorded 289 scent compounds in deceptive moth fly-pollinated Arum maculatum from various populations north vs. south of the Alps, the highest number so far reported in a single plant species. Scent and fruit set differed between regions, and some, but not all differences...

Data from: Biocultural approaches to sustainability: a systematic review of the scientific literature

Jan Hanspach, L. Jamila Haider, Elisa Oteris-Rozas, Anton Stahl Olafsson, Natalie Gulsrud, Chris Raymond, Mario Torralba, Berta Martín-López, Claudia Bieling, María García Martín, Christian Albert, Thomas Beery, Nora Fagerholm, Isabel Díaz-Reviriego, Annika Drews-Shambroom & Tobias Plieninger
Current sustainability challenges demand approaches that acknowledge a plurality of human-nature interactions and worldviews, for which biocultural approaches are considered appropriate and timely. This systematic review analyses the application of biocultural approaches to sustainability in scientific journal articles published between 1990 and 2018 through a mixed methods approach combining qualitative content analysis and quantitative multivariate methods. The study identifies seven distinct biocultural lenses, i.e. different ways of understanding and applying biocultural approaches, which to different...

Data from: Targeted re-sequencing of five Douglas-fir provenances reveals population structure and putative target genes of positive selection

Thomas Müller, Fabian Freund, Henning Wildhagen & Karl J. Schmid
Douglas-fir (Pseudotsuga menziesii) occurs in a coastal and an interior variety that differ in drought tolerance and other adaptive traits. To characterize genome-wide levels of genetic diversity in coding regions and to identify genes involved in local adaptation, we used targeted sequence capture to re-sequence 72 trees representing one interior and four coastal provenances. A custom NimbleGen sequence capture array was designed from 57,110 putative unique transcripts (PUTs) to enrich genomic sequencing libraries for these...

Data from: QTL detection power of multi-parental RIL populations in Arabidopsis thaliana

Jonas R. Klasen, Hans-Peter Piepho, Benjamin Stich & H-P Piepho
A major goal of today's biology is to understand the genetic basis of quantitative traits. This can be achieved by statistical methods that evaluate the association between molecular marker variation and phenotypic variation in different types of mapping populations. The objective of this work was to evaluate the statistical power of QTL detection of various multi-parental mating designs as well as to assess the reasons for the observed differences. Our study was based on empirical...

Data from: Neighbourhood effects on plant reproduction: an experimental-analytical framework and its application to the invasive Senecio inaequidens

Susanne Lachmuth, Colette Henrichmann, Juliane Horn, Joern Pagel & Frank M. Schurr
1. Density-dependence is of fundamental importance for population and range dynamics. Density-dependent reproduction of plants arises from competitive and facilitative plant-plant interactions that can be pollination-independent or pollination-mediated. In small and sparse populations, conspecific density-dependence often turns from negative to positive and causes Allee effects. Reproduction may also increase with heterospecific density (community-level Allee effect), but the underlying mechanisms are poorly understood and the consequences for community dynamics can be complex. Allee effects have crucial...

Data from: Genomic and phenotypic evidence for an incomplete domestication of South American grain amaranth (Amaranthus caudatus)

Markus G. Stetter, Thomas Mueller & Karl J. Schmid
The domestication syndrome comprises phenotypic changes that differentiate crops from their wild ancestors. We compared the genomic variation and phenotypic differentiation of the two putative domestication traits seed size and seed colour of the grain amaranth Amaranthus caudatus, which is an ancient crop of South America, and its two close wild relatives and putative ancestors A. hybridus and A. quitensis. Genotyping 119 accessions of the three species from the Andean region using genotyping by sequencing...

Data from: Two extended haplotype blocks are associated with adaptation to high altitude habitats in East African honey bees

Andreas Wallberg, Caspar Schöning, Matthew T. Webster & Martin Hasselmann
Understanding the genetic basis of adaption is a central task in biology. Populations of the honey bee Apis mellifera that inhabit the mountain forests of East Africa differ in behavior and morphology from those inhabiting the surrounding lowland savannahs, which likely reflects adaptation to these habitats. We performed whole genome sequencing on 39 samples of highland and lowland bees from two pairs of populations to determine their evolutionary affinities and identify the genetic basis of...

Data from: N balance and cycling of Inner Mongolia typical steppe - a comprehensive case study of grazing effects

Marcus Giese, Holger Brueck, Yingzhi Gao, Shan Lin, Markus Steffens, Ingrid Kögel-Knabner, Thomas Glindemann, Andreas Susenbeth, Friedhelm Taube, Klaus Butterbach-Bahl, Xunhua Zheng, Carsten Hoffmann, Yongfei Bai & Xingguo Han
Increasing grazing pressure and climate change affect nitrogen (N) dynamics of grassland ecosystems in the Eurasian Steppe belt with unclear consequences for future delivery of essential services such as forage production, C sequestration, and diversity conservation. The identification of key processes responsive to grazing is crucial to optimize grassland management. In this comprehensive case study of a Chinese typical steppe, we present an in-depth analysis of grazing effects on N dynamics including the balance of...

Data from: Relatedness severely impacts accuracy of marker- assisted selection for disease resistance in hybrid wheat

Jochen C. Reif, Yusheng Zhao, Manje Gowda, Tobias Würschum, C. Friedrich H. Longin, Thomas Miedaner, Erhard Ebmeyer, Ralf Schachschneider, Johannes Schacht, Jean-Pierre Martinant, Michael F. Mette & Ebrahim Kazmann
The accuracy of genomic selection depends on the relatedness between the members of the set in which marker effects are estimated based on evaluation data and the types for which performance is predicted. Here, we investigate the impact of relatedness on the performance of marker-assisted selection for fungal disease resistance in hybrid wheat. A large and diverse mapping population of 1,739 elite European winter wheat inbred lines and hybrids was evaluated for powdery mildew, leaf...

Data for: Quantifying patch-specific seed dispersal and local population dynamics to estimate population spread of an endangered plant species

Jinlei Zhu
Dataset on seed dispersal and population spread for the paper Quantifying patch-specific seed dispersal and local population dynamics to estimate population spread of an endangered plant species Jinlei Zhu1, 2, *, Karolína Hrušková1, 3, Hana Pánková1, Zuzana Münzbergová1, 3 1Institute of Botany, Czech Academy of Sciences, Průhonice, Czech Republic 2Institute of Landscape and Plant Ecology, University of Hohenheim, Stuttgart, Germany 3Department of Botany, Faculty of Science, Charles University, Prague, Czech Republic *Corresponding author: jinlei.zhu@uni-hohenheim.de Institute...

Conflicting signal in transcriptomic markers leads to a poorly resolved backbone phylogeny of Chalcidoid wasps

Junxia Zhang, Amelia R.I. Lindsey, Ralph S. Peters, John M. Heraty, Keith R. Hopper, John H. Werren, Ellen O. Martinson, James B. Woolley, Matt J. Yoder & Lars Krogmann
Chalcidoidea (Hymenoptera) are a megadiverse superfamily of wasps with astounding variation in both morphology and biology. Most species are parasitoids and important natural enemies of insects in terrestrial ecosystems. In this study, we explored a transcriptome-based phylogeny of Chalcidoidea and found that poorly resolved relationships could only be marginally improved by adding more genes (a total of 5,591) and taxa (a total of 65), proof-checking for errors of homology and contamination, and decreasing missing data....

Vellozioid roots allow for habitat specialisation among rock- and soil-dwelling Velloziaceae in campos rupestres

Anna Abrahão, Patrícia De Britto Costa, Grazielle Sales Teodoro, Hans Lambers, Diego L. Nascimento, Sara A. L. De Andrade, Megan H. Ryan & Rafael S. Oliveira
1. Plant growth on harsh substrates (habitat specialisation) requires specific traits to cope with stressful conditions. 2. We tested whether traits related to nutrient acquisition (root colonisation by fungal symbionts, and plant morphological and physiological specialisations), and nutrient use (leaf nitrogen (N) and phosphorus (P) concentrations and N- and P-remobilisation efficiency), were related to habitat specialisation for 27 species of Velloziaceae growing either in soil or on rocks in extremely P-impoverished campos rupestres habitats. If...

Data from: Optimum design of family structure and allocation of resources in association mapping with lines from multiple crosses

Wenxin Liu, Hans Peter Maurer, Jochen C. Reif, Albrecht E. Melchinger, H. F. Utz, Nicolas Ranc, Giovanni Della Porta, Matthew R. Tucker & Tobias Würschum
Family mapping is based on multiple segregating families and is becoming increasingly popular due to advantages over population mapping. Though much progress has been made recently, the optimum design and allocation of resources for family mapping remains unclear. Here, we addressed these issues using a simulation study, resample model averaging and cross-validation approaches. Our results show that in family mapping, the predictive power and the accuracy of QTL detection depend greatly on the population size...

Data from: Islands and streams: clusters and gene flow in wild barley populations from the Levant

Sariel Hübner, Torsten Günther, Andrew Flavell, Eyal Fridman, Andreas Graner, Abraham Korol & Karl J. Schmid
The domestication of plants frequently results in a high level of genetic differentiation between domesticated plants and their wild progenitors. This process is counteracted by gene flow between wild and domesticated plants because they are usually able to inter-mate and to exchange genes. We investigated the extent of gene flow between wild barley Hordeum spontaneum and cultivated barley Hordeum vulgare, and its effect on population structure in wild barley by analyzing a collection of 896...

Data from: Convergent and correlated evolution of major life-history traits in the angiosperm genus Leucadendron (Proteaceae)

Jeanne Tonnabel, Agnès Mignot, Emmanuel J. P. Douzery, Anthony G. Rebelo, Frank M. Schurr, Jeremy Midgley, Nicola Illing, Fabienne Justy, Denis Orcel & Isabelle Olivieri
Natural selection is expected to cause convergence of life histories among taxa as well as correlated evolution of different life-history traits. Here, we quantify the extent of convergence of five key life-history traits (adult fire survival, seed storage, degree of sexual dimorphism, pollination mode, and seed-dispersal mode) and test hypotheses about their correlated evolution in the genus Leucadendron (Proteaceae) from the fire-prone South African fynbos. We reconstructed a new molecular phylogeny of this highly diverse...

Data from: Cross-validation in association mapping and its relevance for the estimation of QTL parameters of complex traits

Tobias Würschum & Thomas Kraft
Association mapping has become a widely applied genomic approach to identify quantitative trait loci (QTL) and dissect the genetic architecture of complex traits. However, approaches to assess the quality of the obtained QTL results are lacking. We therefore evaluated the potential of cross-validation in association mapping based on a large sugar beet data set. Our results show that the proportion of the population that should be used as estimation and validation sets, respectively, depends on...

Taxonomic and functional homogenization of farmland birds along an urbanization gradient in a tropical megacity

Gabriel Marcacci, Catrin Westphal, Arne Wenzel, Varsha Raj, Nils Nölke, Teja Tscharntke & Ingo Graß
Urbanization is a major driver of land use change and biodiversity decline. While most of the ongoing and future urbanization hot spots are located in the Global South, the impact of urban expansion on agricultural biodiversity and associated functions and services in these regions has widely been neglected. Additionally, most studies assess biodiversity responses at local scale (α-diversity), however, ecosystem functioning is strongly determined by compositional and functional turnover of communities (β-diversity) at regional scales....

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