Stef Bokhorst

TL;DR: In this paper, the authors synthesized current knowledge on environmental variability across terrestrial, freshwater, and marine Antarctic biomes and related this to the observed biotic patterns, showing that the most important physical driver of Antarctic terrestrial communities is the availability of liquid water, itself driven by solar irradiance intensity.

TL;DR: In this article, the authors report findings from observations following a natural event and from experimental studies to show that short (<10 days) extreme winter warming events can cause major damage to sub-Arctic plant communities at landscape scales.

TL;DR: This work finds significant increases in the abundance of fungi and bacteria and in the Alphaproteobacteria-to-Acidobacteria ratio, which could result in an increase in soil respiration and shifts toward generalist bacterial communities following warming weakened the linkage between the bacterial taxonomic and functional richness.

TL;DR: Examination of soil-borne Antarctic communities provides insight into the main drivers of microbial community size and structure across a range of terrestrial Antarctic and sub-Antarctic habitats, potentially serving as a useful baseline to study the impact of predicted global warming on these unique and pristine ecosystems.

TL;DR: In this paper, a 1-week long extreme winter warming event was simulated in early March using infrared heating lamps run with or without soil warming cables, and the results demonstrate that a single, short, extreme winter heating event can have considerable impact on bud production, phenology and reproductive effort of dominant plant species within sub-Arctic dwarf shrub heathland.