64 Works

Kinder als Akteure in Qualitätsentwicklung und Forschung

Iris Nentwig-Gesemann, Bastian Walther, Elena Bakels & Lisa-Marie Munk
Was ist für Kinder eine "gute" KiTa und wie kann es gelingen, ihre Perspektiven in Qualitätsentwicklungsprozesse einzubeziehen? Im Auftrag der Bertelsmann Stiftung nahm sich das Institut für Demokratische Entwicklung und Soziale Integration im Rahmen des Forschungs- und Praxisentwicklungsprojektes „Kinder als Akteure der Qualitätsentwicklung in KiTas“ diesen Fragestellungen an. Nach einem intensiven Forschungsprozess mit rund 200 vier- bis sechsjährigen Kindern liegen nun 23 Qualitätsdimensionen aus Kinderperspektive vor, die wiederum sieben Qualitätsbereichen zugeordnet werden können. Die Studie...

Data from: Detection of SNPs based on transcriptome sequencing in Norway spruce (Picea abies (L.) Karst)

Katrin Heer, Kristian Karsten Ullrich, Sascha Liepelt, Stefan Andreas Rensing, Jiabin Zhou, Birgit Ziegenhagen & Lars Opgenoorth
A novel set of SNPs was derived from transcriptome data of ten Norway spruce (Picea abies) trees from the Bavarian Forest National Park in Germany (BaFoNP). SNPs were identified by mapping against a de-novo transcriptome assembly and against pre-mRNAs of predicted genes of the reference genome assembly. This resulted in 111,849 and 366,577 SNPs, respectively. Out of these, 311 were either randomly selected or chosen because of their pronounced divergence between sampling sites and genotyped...

Data from: Competitor or facilitator? The ambiguous role of alpine grassland for the early establishment of tree seedlings at treeline

Hannah Loranger, Gerhard Zotz & Maaike Y. Bader
Alpine treelines are expected to move upslope with a warming climate. However, so far treelines have responded inconsistently and future shifts remain difficult to predict since many factors unrelated to temperature, such as biotic interactions, affect responses at the local scale. Especially during the earliest regeneration stages, trees can be strongly influenced by alpine vegetation via both competition and facilitation. We aimed to understand the relative importance of these two types of interaction in different...

Data from: A comprehensive analysis of autocorrelation and bias in home range estimation

Michael J. Noonan, Marlee A. Tucker, Christen H. Fleming, Tom S. Akre, Susan C. Alberts, Abdullahi H. Ali, Jeanne Altmann, Pamela C. Antunes, Jerrold L. Belant, Dean Beyer, Niels Blaum, Katrin Böhning-Gaese, , Rogerio De Paula Cunha, Jasja Dekker, Jonathan Drescher-Lehman, Nina Farwig, Claudia Fichtel, Christina Fischer, Adam T. Ford, Jacob R. Goheen, René Janssen, Florian Jeltsch, Matthew Kauffman, Peter M. Kappeler … & Justin M. Calabrese
Home range estimation is routine practice in ecological research. While advances in animal tracking technology have increased our capacity to collect data to support home range analysis, these same advances have also resulted in increasingly autocorrelated data. Consequently, the question of which home range estimator to use on modern, highly autocorrelated tracking data remains open. This question is particularly relevant given that most estimators assume independently sampled data. Here, we provide a comprehensive evaluation of...

Data from: Peptidomics-based phylogeny and biogeography of Mantophasmatodea (Hexapoda)

Reinhard Predel, Susanne Neupert, Wolf Huetteroth, Jörg Kahnt, Dietmar Waidelich & Steffen Roth
The insect order Mantophasmatodea was described in 2002. Prior to that time, several generations of entomologists had assumed that all major insect taxa were known; thus, its description was a sensation for zoologists. Since then, a surprising abundance and species diversity of this taxon have been found, particularly in the winter rainfall region of South Africa. To learn more about the evolutionary lineages, speciation, and biogeography of Mantophasmatodea, we applied an unusual peptidomics approach. We...

Data from: Natural habitat loss and exotic plants reduce the functional diversity of flower visitors in a heterogeneous subtropical landscape

Ingo Grass, Dana G. Berens & Nina Farwig
1. Functional diversity (FD) of pollinators can increase plant reproductive output and the stability of plant-pollinator communities. Yet, in times of worldwide pollinator declines, effects of global change on pollinator FD remain poorly understood. Loss of natural habitat and exotic plant invasions are two major drivers of global change that particularly threaten pollinator diversity. 2. In a subtropical South African landscape, we investigated changes in the FD of flower visitor assemblages on native and exotic...

Data from: Fine-scale spatial genetic structure across the species range reflects recent colonization of high elevation habitats in silver fir (Abies alba Mill.)

Enikő I. Major, Mária Höhn, Camilla Avanzi, Bruno Fady, Katrin Heer, Lars Opgenoorth, Andrea Piotti, Flaviu Popescu, Dragos Postolache, Giovanni G. Vendramin & Katalin Csilléry
Variation in genetic diversity across species ranges has long been recognized as highly informative for assessing populations’ resilience and adaptive potential. The spatial distribution of genetic diversity within populations, referred to as fine-scale spatial genetic structure (FSGS), also carries information about recent demographic changes, yet it has rarely been connected to range scale processes. We studied eight silver fir (Abies alba Mill.) population pairs (sites), growing at high and low elevations, representative of the main...

Noctuid and geometrid moth assemblages show divergent elevational gradients in body size and color lightness

Lea Heidrich, Stefan Pinkert, Roland Brandl, Claus Bässler, Hermann Hacker, Nicolas Roth, Annika Busse & Jörg Müller
Previous macroecological studies have suggested that larger and darker insects are favored in cold environments and that the importance of body size and color for the absorption of solar radiation is not limited to diurnal insects. However, whether these effects hold true for local communities and are consistent across taxonomic groups and sampling years remains unexplored. This study examined the variations in body size and color lightness of the two major families of nocturnal moths,...

Data from: Within-species trait variation can lead to size limitations in seed dispersal of small-fruited plants

Finn Rehling, Bogdan Jaroszewicz, Leonie Braasch, Jörg Albrecht, Pedro Jordano, Jan Schlautmann, Nina Farwig & Dana Schabo
The inability of small-gaped animals to consume very large fruits may limit seed dispersal of the respective plants. This has often been shown for large-fruited plant species that remain poorly dispersed when large-gaped animal species are lost due to anthropogenic pressure. Little is known about whether gape-size limitations similarly influence seed dispersal of small-fruited plant species that can show a large variation in fruit size within species. In this study, fruit sizes of 15 plant...

Diurnal timing of nonmigratory movement by birds: the importance of foraging spatial scales

Julie Mallon, Marlee Tucker, Annalea Beard, , Keith Bildstein, Katrin Böhning-Gaese, John Brzorad, Evan Buechley, Javier Bustamante, Carlos Carrapato, José Castillo-Guerrero, Elizabeth Clingham, Mark Desholm, Christopher DeSorbo, Robert Domenech, Hayley Douglas, Olivier Duriez, Peter Enggist, Nina Farwig, Wolfgang Fiedler, Anna Gagliardo, Clara García-Ripollés, Juan Antonio Gil, Morgan Gilmour, Roi Harel … & Bill Fagan
Timing of activity can reveal an organism’s efforts to optimize foraging either by minimizing energy loss through passive movement or by maximizing energetic gain through foraging. Here, we assess whether signals of either of these strategies are detectable in the timing of activity of daily, local movements by birds. We compare the similarities of timing of movement activity among species using six temporal variables: start of activity relative to sunrise, end of activity relative to...

Relative effects of climate and litter traits on decomposition change with time, climate and trait variability

Rafaella Canessa, Liesbeth Van Den Brink, Alfredo Saldana, Rodrigo Rios, Stephan Hattenschwiler, Carsten Mueller, Isabel Prater, Katja Tielboerger & Maaike Bader
Climate and litter quality drive litter decomposition, but there is currently little consensus on their relative importance, likely because studies differ in the duration, the climatic gradients, and variability in litter-trait values. Understanding these drivers is important because they determine the direct and indirect (via vegetation composition) effects of climate change on decomposition and thereby on carbon and nutrient cycling. We studied how microclimate (soil moisture and temperature) and litter traits interactively affect litter mass...

Data from: Olfactory testing in Parkinson’s disease & REM behavior disorder: a machine learning approach

Christine Lo, Siddharth Arora, Yoav Ben-Shlomo, Thomas Barber, Michael Lawton, Johannes Klein, Sofia Kanavou, Annette Janzen, Elisabeth Sittig, Wolfgang Oertel, Donald Grosset & Michele Hu
Objective: We sought to identify an abbreviated test of impaired olfaction, amenable for use in busy clinical environments in prodromal (isolated REM sleep Behavior Disorder (iRBD)) and manifest Parkinson’s. Methods: 890 PD and 313 control participants in the Discovery cohort study underwent Sniffin’ stick odour identification assessment. Random forests were initially trained to distinguish individuals with poor (functional anosmia/hyposmia) and good (normosmia/super-smeller) smell ability using all 16 Sniffin’ sticks. Models were retrained using the top...

Mobility costs and energy uptake mediate the effects of morphological traits on species’ distribution and abundance

Stefan Pinkert, Nicolas Friess, Dirk Zeuss, Martin Gossner, Roland Brandl & Stefan Brunzel
Individuals of large or dark-colored ectothermic species often have a higher reproduction and activity than small or light-colored ones. However, investments into body size or darker colors should negatively affect the fitness of individuals as they increase their growth and maintenance costs. Thus, it is unlikely that morphological traits directly affect species’ distribution and abundance. Yet, this simplification is frequently made in trait-based ecological analyses. Here, we integrated the energy allocation strategies of species into...

Trait functional diversity explains mixture effects on litter decomposition at the arid end of a climate gradient

Rafaella Canessa, Liesbeth Van Den Brink, Monica Berdugo, Stephan Hattenschwiler, Rodrigo Rios, Alfredo Saldana, Katja Tielboerger & Maaike Bader
Litter decomposition is controlled by climate, litter quality and decomposer communities. Because the decomposition of specific litter types is also influenced by the properties of adjacent types, mixing litter types may result in non-additive effects on overall decomposition rates. The strength of these effects seems to depend on the litter functional diversity. However, it is unclear which functional traits or combination of traits explain litter mixture effects and if these depend on the range of...

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