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Community ecology is the study of communities formed of populations of different species. It includes the study of the interactions between species, such as mutualism, predation and competition, and the dynamics and structure of the community.
Sessile communities may support high species richness, despite competition for space. Here, the authors use fungal competition assays to show that intransitive competition can overwhelm pairwise competitive exclusion to facilitate biodiversity.
Complex ecological networks are likely to be disrupted as species shift in response to environmental change. A simulation model shows that the level of dispersal determines whether species associations within networks are maintained.
Temporal stability of plant communities is driven by several mechanisms and may be influenced by climate change. Here it is shown that warming, but not precipitation, reduces species asynchrony in an alpine grassland, leading to lower biomass temporal stability.