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Showing 1–10 of 10 results
Advanced filters: Author: Tom Tregenza Clear advanced filters

  • There is abundant evidence that new species can arise when a population of organisms is split into isolated elements. The occurrence of sympatric speciation — speciation without isolation — is much more contentious but is now set on firmer theoretical ground.

    • Tom Tregenza
    • Roger K. Butlin
    News & Views
    Nature
    Volume: 400, P: 311-312

  • The number of individuals in a given space influences animal interactions and network dynamics. Here the authors identify general rules underlying density dependence in animal networks and reveal some fundamental differences between spatial and social dynamics.

    • Gregory F. Albery
    • Daniel J. Becker
    • Shweta Bansal
    Research
    Nature Ecology & Evolution
    Volume: 9, P: 2002-2013

  • Male–female conflict over mating rate can drive rapid evolution and lead to female refusal to mate with males from other populations, so implicating sexual conflict in the generation of biodiversity.

    • Tom Tregenza
    News & Views
    Nature
    Volume: 423, P: 929-930

  • New species arise when populations no longer interbreed successfully. The theory that natural selection might act directly to increase such reproductive isolation is known as reinforcement, and its validity has been debated for many years. But one group has now come up with the strongest evidence yet in favour of reinforcement, by studying divergent populations of the European flycatcher.

    • Roger K. Butlin
    • Tom Tregenza
    News & Views
    Nature
    Volume: 387, P: 551-552