6 Works

A sparse observation model to quantify species distributions and their overlap in space and time

Liam Singer, Sadoune Ait Kaci Azzou, Thierry Aebischer, Madleina Caduff, Beat Wolf & Daniel Wegmann
Camera traps and acoustic recording devices are essential tools to quantify the distribution, abundance and behavior of mobile species. Varying detection probabilities among device locations must be accounted for when analyzing such data, which is generally done using occupancy models. We introduce a Bayesian Time-dependent Observation Model for Camera Trap data (Tomcat), suited to estimate relative event densities in space and time. Tomcat allows to learn about the environmental requirements and daily activity patterns of...

Biodiversity effects on grape quality depend on variety and management intensity

Magdalena Steiner, James Benjamin Grace & Sven Bacher
Interactions between plants can be beneficial, detrimental or neutral. In agricultural systems competition between crop and spontaneous vegetation is a major concern. We evaluated the relative support for three non-exclusive ecological hypotheses about interactions between crop and spontaneous plants based on competition, complementarity or facilitation. The study was conducted in Swiss vineyards with different vegetation management intensities. Thirty-three vineyards planted with two different grape varieties were studied over 3 years to determine whether low-intensity vegetation...

Data from: Diversification dynamics of Cheilostome Bryozoa based on a Bayesian analysis of the fossil record

Farideh Moharrek, Paul Taylor, Daniele Silvestro, Helen Jenkins, Dennis Gordon & Andrea Waeschenbach
Cheilostomata is the most diverse and ecologically dominant order of bryozoans living today. We apply a Bayesian framework to estimate macroevolutionary rates of cheilostomes since the Late Jurassic across four datasets: I) manually curated genus ranges, II) published text-mined genus ranges, III) non-revised Paleobiology Database (PBDB) records, IV) revised and augmented PBDB records. All datasets revealed increased origination rates in the Albian, and a twin K-Pg and Danian extinction rate peak. High origination rates in...

Data from: Comparative transcriptomic analysis of the mechanisms underpinning ageing and fecundity in social insects

Judith Korb, Karen Meusemann, Denise Aumer, Abel Bernadou, Daniel Elsner, Barbara Feldmeyer, Susanne Foitzik, Jürgen Heinze, Romain Libbrecht, Silu Lin, Megha Majoe, José Manuel Monroy Kuhn, Volker Nehring, Matteo A. Negroni, Robert J. Paxton, Alice C. Séguret, Marah Stoldt & Thomas Flatt
Exceptional longevity of social insect queens despite their lifelong high fecundity remains poorly understood in ageing biology. To gain insights into the mechanisms that might underlie ageing in social insects, we compared gene expression patterns between young and old castes (both queens and workers) across different lineages of social insects (two termite, two bee and two ant species). After global analyses, we paid particular attention to genes of the insulin/insulin-like growth factor 1 signalling (IIS)/target...

Fossil-informed models reveal a Boreotropical origin and divergent evolutionary trajectories in the walnut family (Juglandaceae)

Qiuyue Zhang, Richard Ree, Nicolas Salamin, Yaowu Xing & Daniele Silvestro
Temperate woody plants in the Northern Hemisphere have long been known to exhibit high species richness in East Asia and North America and significantly lower diversity in Europe, but the causes of this pattern remain debated. Here, we quantify the roles of dispersal, niche evolution, and extinction in shaping the geographic diversity of the temperate woody plant family Juglandaceae (walnuts and their relatives). Integrating evidence from molecular, morphological, fossil, and (paleo)environmental data, we find strong...

Registration Year

  • 2021

Resource Types

  • Dataset
  • Journal Article


  • University of Fribourg
  • Field Museum of Natural History
  • University of Münster
  • University of Lausanne
  • Senckenberg Biodiversity and Climate Research Centre
  • University of Regensburg
  • University of Applied Sciences and Arts Western Switzerland
  • Johannes Gutenberg University of Mainz
  • University of Freiburg
  • Xishuangbanna Tropical Botanical Garden