417 Works

Data from: The “tolerant chimpanzee” - towards the costs and benefits of sociality in female bonobos

Niina O. Nurmi, Gottfried Hohmann, Lucas G. Goldstone, Tobias Deschner & Oliver Schülke
Humans share an extraordinary degree of sociality with other primates, calling for comparative work into the evolutionary drivers of the variation in social engagement observed between species. Of particular interest is the contrast between the chimpanzee (Pan troglodytes) and bonobo (Pan paniscus), the latter exhibiting increased female gregariousness, more tolerant relationships, and elaborate behavioral adaptations for conflict resolution. Here we test predictions from three socio-ecological hypotheses regarding the evolution of these traits using data on...

Die Vegetation Deutschlands – eine vergleichende Übersicht der Klassen, Ordnungen und Verbände auf Grundlage der EuroVegChecklist

Erwin Bergmeier
The EuroVegChecklist (MUCINA et al. 2016) is a reference catalogue of the European vegetation. It provides a synopsis of hierarchical vegetation classes, orders and alliances which can be used as a tool towards standardization of other syntaxonomic surveys and concepts. The present paper cross-references the EuroVegChecklist to six regional and national influential works on the vegetation of Germany with different syntaxonomic concepts. It provides an update of the vegetation diversity of the country and some...

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...

Data from: Maize-dominated landscapes reduce bumble bee colony growth through pollen diversity loss

Annika Louise Hass, Lara Brachmann, Péter Batáry, Yann Clough, Hermann Behling & Teja Tscharntke
1. Bumble bees are important pollinators for a wide range of crops and wild plants. Performance of their colonies depends on pollen and nectar as food resources, but flowering plants are scarce in modern agricultural landscapes. It is well-known that semi-natural habitats can enhance floral resources and bumble bee abundance, but the impact of different crop types and their heterogeneity at the landscape scale remains unclear. 2. We tested the effect of two different crop...

Klimafolgenmanagement in der Metropolregion Hannover – Braunschweig – Göttingen

Prof. Dr. Günter Groß, Andrea Krause, Christina Lenßen, Dr. Udo Müller, Christine von Buttlar, Dr. Marianne Karpenstein-Machan, Roland Bauböck, Daniela Dressler, Prof. Dr. Achim Loewen, Dominika Leßmann, Imke Mersch, Ekkehard Fricke, Christina Weiß, Michael Reich, Michael Rode, Tina Wixwat, Herbert Roehm, Katja Fürstenberg, Dr. Andreas Matheja, Martin Meinken & Björn Beemann
Das Verbundprojekt „Regionales Management von Klimafolgen in der Metropolregion Hannover – Braunschweig – Göttingen“ (KFM) wurde im Zeitraum von 2007–2011 durch das Bundesministerium für Bildung und Forschung (BMBF) gefördert. Ziel dieses Forschungsprojekts war es, die Auswirkungen des Klimawandels in der Metropolregion zu analysieren sowie mögliche Anpassungsstrategien zu entwickeln. Hierfür wird eine problemorientierte, feinskalige Anpassung der Ergebnisse der regionalen Klimaszenarien an die kleinräumigen geographischen Strukturen in der Metropolregion benötigt. Der Schwerpunkt des Verbundprojekts liegt auf den...

Breeding system of diploid sexuals within the Ranunculus auricomus complex and its role in a geographical parthenogenesis scenario

Kevin Karbstein, Elisabeth Rahmsdorf, Salvatore Tomasello, Ladislav Hodač & Elvira Hörandl
The larger distribution area of asexuals compared to their sexual relatives in geographical parthenogenesis (GP) scenarios has been widely attributed to the advantages of uniparental reproduction and polyploidy. However, potential disadvantages of sexuals due to their breeding system have received little attention so far. Here, we study the breeding system of five narrowly distributed sexual lineages of Ranunculus notabilis s.l. (R. auricomus complex) and its effects on outcrossing, inbreeding, female fitness, and heterozygosity. We performed...

Validation of the AD dementia conversion-related pattern as an ATN biomarker of neurodegeneration: Supplemental material

Ganna Blazhenets, Lars Frings, Yilong Ma, Arnd Sörensen, David Eidelberg, Jens Wiltfang & Philipp T. Meyer
Objective: To determine whether the Alzheimer’s disease dementia conversion-related pattern (ADCRP) on [18F]FDG PET can serve as a valid predictor for the development of Alzheimer’s disease dementia, the individual expression of the ADCRP (subject score) and its prognostic value were examined in subjects with mild cognitive impairment and biologically defined Alzheimer’s disease. Methods: 269 subjects with available [18F]FDG PET, [18F]AV-45 PET, phosphorylated and total tau in CSF, and neurofilament light chain in plasma were included....

Data from: Diets of giants: the nutritional value of sauropod diet during the Mesozoic

Fiona L. Gill, Juergen Hummel, A. Reza Sharifi, Alexandra P. Lee & Barry H. Lomax
A major uncertainty in estimating energy budgets and population densities of extinct animals is the carrying capacity of their ecosystems, constrained by net primary productivity (NPP) and its digestible energy content. The hypothesis that increases in NPP due to elevated atmospheric CO2 contributed to the unparalleled size of the sauropods has recently been rejected, based on modern studies on herbivorous insects that imply a general, negative correlation of diet quality and increasing CO2. However, the...

Data from: Ecosystem services and disservices by birds, bats and monkeys change with macadamia landscape heterogeneity

Valerie M. G. Linden, Ingo Grass, Elsje Joubert, Teja Tscharntke, Sina M. Weier & Peter J. Taylor
1.The relative importance of ecosystem services and disservices can change with landscape structure in a poorly understood way. 2.We compare the impact of biocontrol, provided by bats and birds, with that of crop raiding by vervet monkeys on yield in South African macadamia orchards. Insectivorous bats and birds are known to feed on macadamia pest insect species, like the macadamia nut borer or the green vegetable bug. Vervet monkeys move into the orchards during the...

10 years of DataCite - How it all began

Jan Brase
As part of our 10-year anniversary, we want to tell you the story of how DataCite was founded 10 years ago. Therefore, we approached several people ‘who were there’ to tell you their part of the story. This is the first guest blog post by Jan Brase...

Data from: Long-tailed macaques (Macaca fascicularis) can use simple heuristics but fail at drawing statistical inferences from populations to samples

Sarah Placì, Johanna Eckert, Hannes Rakoczy & Julia Fischer
Human infants, apes, and capuchin monkeys engage in intuitive statistics: they generate predictions from populations of objects to samples based on proportional information. This suggests that statistical reasoning might depend on some core knowledge that humans share with other primate species. To aid the reconstruction of the evolution of this capacity, we investigated whether intuitive statistical reasoning is also present in a species of Old World monkey. In a series of 4 experiments, 11 long-tailed...

Agent‐based modeling of the effects of forest dynamics, selective logging, and fragment size on epiphyte communities

Gunnar Petter, Gerhard Zotz, Holger Kreft & Juliano Sarmento Cabral
Forest canopies play a crucial role in structuring communities of vascular epiphytes by providing substrate for colonization, by locally varying microclimate, and by causing epiphyte mortality due to branch or tree fall. However, as field studies in the three-dimensional habitat of epiphytes are generally challenging, our understanding of how forest structure and dynamics influence the structure and dynamics of epiphyte communities is scarce. Mechanistic models can improve our understanding of epiphyte community dynamics. We present...

Mineral nitrogen nutrition of Fagus sylvatica L roots colonized by ectomycorrhizal fungi in native forest soil

Carmen Alicia Rivera Pérez, Dennis Janz, Dominik Schneider, Rolf Daniel & Andrea Polle
The aim of this study was to examine the transcription-level response of a symbiotic system comformed by the host tree Fagus sylvatica L (European beech) and the root-associated mycobiota to fluctuations in ammonium and nitrate availability in the soil. The experiment was conducted with young trees grown at a natural regeneration forest. We used 15N stable isotopes in combination with DNA-based and RNA-based molecular methods and Illumina sequencing. We report data on the beech root-associated...

Habitat use and foraging parameters of breeding Skylarks indicate no seasonal decrease in food availability in heterogeneous farmland

Manuel Püttmanns, Laura Böttges, Tim Filla, Franziska Lehmann, Annika Sophie Martens, Friederike Siegel, Anna Sippel, Marlene Von Bassi, Niko Balkenhol, Matthias Waltert & Eckhard Gottschalk
Reduced food availability during chick raising is a major driver of farmland bird declines. For the Eurasian Skylark (Alauda arvensis), food availability is determined by various factors (i.e., arthropod abundance/diversity, accessibility of the vegetation, distance to foraging sites). In modern farmland, it is supposed to decrease over the breeding season due to less penetrable vegetation. We explored foraging habitat selection by chick-raising Skylarks with a focus on the seasonal dynamics of habitat use and food...

Semi-open landscapes of former military training areas are key habitats for threatened birds

Heike Culmsee, Boris Evers, Tobias Leikauf & Karsten Wesche
Military training areas (MTAs) show high numbers of rare and threatened species and diverse habitat patterns due to low nitrogen input and heterogeneous disturbance dynamics caused by mili-tary training activities that produce fine-scale landscape mosaics. Since the 1990s, major parts of MTAs in Europe have been decommissioned. In Germany, most of them were transferred to the national natural heritage now facing the challenge of developing comprehensive conservation man-agement strategies. In order to elucidate their current...

Auswirkungen von Grundwasserentnahmen auf die forstliche Nutzung. Teil 2: Forstliches Beweissicherungsverfahren

Martin Hillmann, Henning Meesenburg, Dr. Farhad Raissi & Dr. Martin Worbes
Forstliche Beweissicherungsverfahren müssen geeignet sein, mögliche Beeinträchtigungen wie Zuwachsverluste von Waldbeständen infolge von Grundwasserentnahme zu dokumentieren und gerichtsfest nachzuweisen. Sie bilden die Grundlage, auf der ein Schaden bewertet und ausgeglichen werden kann.

Aboveground carbon stocks and dynamics in Andean forests

Alvaro Duque, Miguel Peña, Francisco Cuesta, Sebastián González-Caro, Peter Kennedy, Oliver Phillips, Marco Calderón, Cecilia Blundo, Julieta Carilla, Leslie Cayola, William Farfán-Ríos, Alfredo Fuentes, Ricardo Grau, Jürgen Homeier, María I. Loza-Rivera, Jonathan A. Myers, Oriana Osinaga-Acosta, Manuel Peralvo, Esteban Pinto, Sassan Saatchi, Miles Silman, J. Sebastián Tello, Andrea Terán-Valdez & Kenneth J. Feeley
This dataset (Andean_AGB.xlsx) has the data employed in the paper entitled Old-growth Andean forests as globally important carbon sinks and future carbon refuges. The data was compiled as the results of the work of several research teams spread out across the Andean region. The information available here has data about aboveground carbon stocks and dynamics and the main explanatory variables, such as climate and symbiotic root associations.

Lepidoptera caterpillars barcodes in FASTA format

Ming-Qiang Wang, Chuan Yan, Arong Luo, Yi Li, Douglas Chesters, Hui-Jie Qiao, Jing-Ting Chen, Qing-Song Zhou, Keping Ma, Helge Bruelheide, Andreas Schuldt, Zhibin Zhang & Chao-Dong Zhu
The dataset contains COI barcodes of Lepidoptera caterpillars collected from a subtropical forest in Jiangxi, China.

Data from: Estimating interactions between individuals from concurrent animal movements

Ulrike E. Schlägel, Johannes Signer, Antje Herde, Sophie Eden, Florian Jeltsch, Jana Eccard & Melanie Dammhahn
1. Animal movements arise from complex interactions of individuals with their environment, including both conspecific and heterospecific individuals. Animals may be attracted to each other for mating, social foraging, or information gain, or may keep at a distance from others to avoid aggressive encounters related to, e.g., interference competition, territoriality, or predation. With modern tracking technology, more data sets are emerging that allow to investigate fine-scale interactions between free-ranging individuals from movement data, however, few...

Stabilized morphological evolution of spiders despite mosaic changes in foraging ecology

Jonas Wolff, Kaja Wierucka, Jonathan Coddington, Gustavo Hormiga, Michael Kelly, Marie Herberstein, Martín Ramírez & Gustavo Paterno
A prominent question in animal research is how the evolution of morphology and ecology interact in the generation of phenotypic diversity. Spiders are some of the most abundant arthropod predators in terrestrial ecosystems and exhibit a diversity of foraging styles. It remains unclear how spider body size and proportions relate to foraging style, and if the use of webs as prey capture devices correlates with changes in body characteristics. Here we present the most extensive...

Does regional geology help to assess earthquake hazard in continental interiors?

Tim Hahn, Jonas Kley, Diethelm Kaiser & Thomas Spies
Earthquake hazard assessment is crucial for different planning tasks, including the search for a German nuclear waste repository. Germany is located in an intraplate setting with a low level of seismicity and the seismically active faults are incompletely known. To solve this problem, seismotectonic regions (SR) of assumed uniform seismicity can be defined and used as a basis to define seismic area sources to be used in seismic hazard analyses. We have elaborated a new...

Data from: Biodiversity and yield trade-offs for organic farming

Yi Zou, Shanxing Gong, Jenny Hodgson, Teja Tscharntke, Yunhui Liu, Wopke Van Der Werf, Péter Batáry & Johannes Knops
Organic farming supports higher biodiversity than conventional farming, but at the cost of lower yields. We conducted a meta-analysis quantifying the trade-off between biodiversity and yield, comparing conventional and organic farming. We developed a compatibility index to assess whether biodiversity gains from organic farming exceed yield losses, and a substitution index to assess whether organic farming would increase biodiversity in an area if maintaining total production under organic farming would require cultivating more land at...

Trophic rewilding benefits a tropical community through direct and indirect network effects

Pedro Uchoa Mittelman, Anna Rebello Landim, Luísa Genes, Ana Paula A. Assis, Carolina Starling-Manne, Paula V. Leonardo, Fernando A.S. Fernandez, & Alexandra Pires
Species reintroductions can be used as a conservation strategy to restore ecological interactions and the functionality of impoverished ecosystems. The ecological effects of reintroductions go beyond restoring pairwise interactions, because reintroductions can change how extant species are indirectly linked to each other in an ecological community. These indirect pathways, in turn, may shape a myriad of ecological and evolutionary processes operating in ecological systems. Here, we investigated how reintroductions may affect the direct and indirect...

High variation in hydraulic efficiency but not xylem safety between roots and branches in four temperate broad-leaved tree species

Torben Lübbe, Laurent J. Lamarque, Sylvain Delzon, José M. Torres-Ruiz, Régis Burlett, Christoph Leuschner & Bernhard Schuldt
Xylem hydraulic safety and efficiency are key traits determining tree fitness in a warmer and drier world. While numerous plant hydraulic studies have focused on branches, our understanding of root hydraulic functioning remains limited, although roots control water uptake, influence stomatal regulation and have commonly been considered as the most vulnerable organ along the hydraulic pathway. We investigated 11 traits related to xylem safety and efficiency along the hydraulic pathway in four temperate broad-leaved tree...

Exhumation and erosion rates in the flat-topped Nock Mountains in the Eastern Alps constrained by low-temperature and cosmogenic 10Be data

Andreas Wölfler , Andrea Hampel , Christoph Glotzbach & István Dunkl
Constraining rates of landscape evolution is a necessary pre-requisite for reconstructing the spatiotemporal evolution of the Earth´s surface. In our study, we present new zircon and apatite fission track and (U-Th)/He ages as well as catchment-wide 10Be-derived erosion rates to determine exhumation and erosion rates in the Nock Mountains, an elevated-low relief landscape in the Eastern Alps. Zircon fission track and zircon (U-Th)/He analyses yielded cooling ages of ~90 and ~80 Ma, respectively, which we...

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