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Showing 1–9 of 9 results
Advanced filters: Author: Björn C. Rall Clear advanced filters

  • Maximum speed could scale with body mass, but the largest animals are not actually the fastest. A general scaling law explains this with a hump-shaped relationship due to a finite limit on acceleration time.

    • Myriam R. Hirt
    • Walter Jetz
    • Ulrich Brose
    Research
    Nature Ecology & Evolution
    Volume: 1, P: 1116-1122

  • A bioenergetic consumer–resource model is used to explore how and why only particular predator–prey body-mass ratios promote stability in tri-trophic food chains, and finds that this 'persistence domain' of ratios is constrained by bottom-up energy availability when predators are much smaller than their prey, and by enrichment-driven dynamics when predators are much larger.

    • Sonja B. Otto
    • Björn C. Rall
    • Ulrich Brose
    Research
    Nature
    Volume: 450, P: 1226-1229

  • Although many species-level responses to climate warming have been documented, understanding of ecosystem-level stability under warming remains low. Now, a study using meta-analyses of temperature effects on metabolic rates, reeding rates and population sizes along with a mechanistic predator–prey model finds that warming stabilizes predator–prey dynamics but risks predator starvation.

    • Katarina E. Fussmann
    • Florian Schwarzmüller
    • Björn C. Rall
    Research
    Nature Climate Change
    Volume: 4, P: 206-210

  • Global warming will affect food-web structure and species persistence, and real world data is needed for better prediction. Combining species counts and temperature data from rock pools with dynamic modelling predicts biodiversity increases in arctic to temperate regions and declines in the tropics.

    • Benoit Gauzens
    • Björn C. Rall
    • Ulrich Brose
    Research
    Nature Climate Change
    Volume: 10, P: 264-269

  • Losing animals from food webs could reduce ecosystem function, but drivers of this pattern are difficult to disentangle. With food web simulations, Schneider et al. show that high animal diversity does not release plants from top-down control owing to a balancing effect of increased animal body size.

    • Florian D. Schneider
    • Ulrich Brose
    • Christian Guill
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-8

  • Analysing a database of >200,000 feeding links between >5,000 species in terrestrial and aquatic food webs, the authors show that specific trait combinations can be used to predict which predator species are characterized by high body-mass ratio interactions with their prey.

    • Ulrich Brose
    • Phillippe Archambault
    • Alison C. Iles
    Research
    Nature Ecology & Evolution
    Volume: 3, P: 919-927

  • A warmer climate is generally expected to favour smaller organisms and steeper body-mass–abundance scaling through food webs. Results from across a stream temperature gradient now show that this effect can be offset by increasing nutrient supply.

    • Eoin J. O’Gorman
    • Lei Zhao
    • Guy Woodward
    Research
    Nature Climate Change
    Volume: 7, P: 659-663