7 Works

Data from: A model-derived short-term estimation method of effective size for small populations with overlapping generations

Annegret Grimm, Bernd Gruber, Marion Hoehn, Katrin Enders & Klaus Henle
If not actively managed, small and isolated populations lose their genetic variability and the inbreeding rate increases. Combined, these factors limit the ability of populations to adapt to environmental changes, increasing their risk of extinction. The effective population size (Ne) is proportional to the loss of genetic diversity and therefore of considerable conservation relevance. However, estimators of Ne that account for demographic parameters in species with overlapping generations require sampling of populations across generations, which...

Data from: Cascading effects of belowground predators on plant communities are density-dependent

Madhav Prakash Thakur, Martina Herrmann, Katja Steinauer, Saskia Rennoch, Simone Cesarz & Nico Eisenhauer
Soil food webs comprise a multitude of trophic interactions that can affect the composition and productivity of plant communities. Belowground predators feeding on microbial grazers like Collembola could decelerate nutrient mineralization by reducing microbial turnover in the soil, which in turn could negatively influence plant growth. However, empirical evidences for the ecological significance of belowground predators on nutrient cycling and plant communities are scarce. Here, we manipulated predator density (Hypoaspis aculeifer: predatory mite) with equal...

Data from: Ecologically diverse and distinct neighbourhoods trigger persistent phenotypic consequences, and amine metabolic profiling detects them

Françoise Hennion, Isabelle Litrico, Igor Bartish, Alexandra Weigelt, Alain Bouchereau & Andreas Prinzing
1.Global change triggers rapid alterations in the composition and diversity of plant communities which may change ecosystem functioning. Do changes in community diversity also change traits persistently, i.e. does coexistence with numerous or functionally or phylogenetically distinct species trigger, in a given focal species, trait shifts that persist? 2.We studied the grass Dactylis glomerata. Dactylis was grown in experimental plots with different species compositions for five years, sampled, cloned and grown in a common garden....

Data from: Does male care, provided to immature individuals, influence immature fitness in rhesus macaques?

Doreen Langos, Lars Kulik, Angelina Ruiz-Lambides & Anja Widdig
Among many mammals, maternal care strongly impacts infant survival; however, less is known about whether adult males also affect infant fitness. Paternal care is expected when providing care enhances offspring survival and reproduction, which likewise increases fathers’ fitness. Males might also care for unrelated immature individuals to increase their mating probability with the immature individuals’ mothers. Studies in multimale primate groups showed that sires enhance food access for offspring and provide protection in conflicts. Furthermore,...

Data from: Parasitoid wasps indirectly suppress seed production by stimulating consumption rates of their seed-feeding hosts

Xinqiang Xi, Nico Eisenhauer & Sun Shucun
1. In parasitoid–herbivore–plant food chains, parasitoids may be simultaneously linked with both herbivore hosts and plants, as occurs when herbivores attacked by parasitoids continue to consume plants although they are destined to die. This peculiar property may cause parasitoids to confer a differential trophic cascading effect on plants than that known for typical predators. 2. We hypothesized that larval koinobiont parasitoids would confer an immediate negative effect on plant seed production by stimulating consumption of...

Data from: Seasonal and urban effects on the endocrinology of a wild passerine

Anja Russ, Susanne Reitemeier, Anne Weissmann, Jutta Gottschalk, Almuth Einspanier & Reinhard Klenke
In order to maximize their fitness, organisms in seasonal environments rely on external cues to optimally time their life-history stages. One of the most important zeitgeber to time reproduction is the photoperiod, but further environmental cues are assessed to fine-tune reproduction due to year-to-year variation in environmental conditions. However, in urbanized environments, the pervasive artificial light at night has altered the natural signal of light and darkness. Accordingly, artificial light at night was repeatedly shown...

Data from: Near infrared spectroscopy (NIRS) predicts non-structural carbohydrate concentrations in different tissue types of a broad range of tree species

Jorge A. Ramirez, Juan M. Posada, I. Tanya Handa, Günter Hoch, Michael Vohland, Christian Messier & Björn Reu
1. The allocation of non-structural carbohydrates (NSCs) to reserves constitutes an important physiological mechanism associated with tree growth and survival. However, procedures for measuring NSC in plant tissue are expensive and time-consuming. Near-infrared spectroscopy (NIRS) is a high-throughput technology that has the potential to infer the concentration of organic constituents for a large number of samples in a rapid and inexpensive way based on empirical calibrations with chemical analysis. 2. The main objectives of this...

Registration Year

  • 2015
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Resource Types

  • Dataset
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Affiliations

  • Leipzig University
    7
  • German Center for Integrative Biodiversity Research
    3
  • Helmholtz Centre for Environmental Research
    2
  • University of Quebec at Montreal
    1
  • University of Puerto Rico, Medical Sciences Campus
    1
  • Industrial University of Santander
    1
  • Del Rosario University
    1
  • Nanjing University
    1
  • Agrocampus Ouest
    1
  • French National Institute for Agricultural Research
    1