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Showing 1–9 of 9 results
Advanced filters: Author: Kevin Cazelles Clear advanced filters

  • Species co-occurrences have long been used as proxies for interactions, but not all co-occurring species interact. A study now reveals that super-generalist consumers realize a higher portion of their potential interactions in bipartite networks.

    • Kevin Cazelles
    News & Views
    Nature Ecology & Evolution
    Volume: 8, P: 184-185

  • Using 32 ecological networks (host–parasite, plant–pollinator, plant–herbivore and other food webs), the authors show that several network properties scale with the size of the sampling area, suggesting a new type of biodiversity–area relationship.

    • Núria Galiana
    • Miguel Lurgi
    • José M. Montoya
    Research
    Nature Ecology & Evolution
    Volume: 6, P: 307-314

  • Species richness patterns are driven by biotic and abiotic factors, the relative strengths of which are unclear. Here, the authors test how species interactions or environmental traits influence fish richness across over 700 Canadian lakes, showing a surprisingly small role of negative interactions.

    • Andrew S. MacDougall
    • Eric Harvey
    • Kevin S. McCann
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-9

  • Using a global interaction dataset, the authors quantify the distribution of trophic interactions among marine fish, finding a high degree of geographic connectivity but low spatial modularity.

    • Camille Albouy
    • Philippe Archambault
    • Dominique Gravel
    Research
    Nature Ecology & Evolution
    Volume: 3, P: 1153-1161

  • Warming-induced changes in permafrost, peatlands, lakes, snowpack, vegetation, and vertebrates could impact northern ecosystem integrity, with different response times across components and latitude, according to an expert assessment of sensitivity in northern landscapes.

    • Émilie Saulnier-Talbot
    • Éliane Duchesne
    • Joël Bêty
    ResearchOpen Access
    Communications Earth & Environment
    Volume: 5, P: 1-15

  • Climate change is spatially asymmetrical and so will alter the behaviour of generalist consumer species, affecting food webs in two ways. Movement into novel ecosystems will affect the topology of food webs, while changes within an ecosystem will affect interaction strengths.

    • Timothy J. Bartley
    • Kevin S. McCann
    • Bailey C. McMeans
    Reviews
    Nature Ecology & Evolution
    Volume: 3, P: 345-354

  • How biotic interactions change across spatial scales is not well characterized. Here, the authors outline a theoretical framework to explore the spatial scaling of multitrophic communities, and present testable predictions on network-area relationships (NARs).

    • Nuria Galiana
    • Miguel Lurgi
    • José M. Montoya
    Reviews
    Nature Ecology & Evolution
    Volume: 2, P: 782-790

  • Säterberg and McCann introduce a time-series method to test whether systems exhibit alternative dynamical attractors. Through simulated and experimental data from a planktonic predator-prey system, their results show that if population dynamics are induced by internal factors to the system, then alternative dynamical attractors can be detected.

    • Torbjörn Säterberg
    • Kevin McCann
    ResearchOpen Access
    Communications Biology
    Volume: 4, P: 1-8