Table 1 Summary of expert assessment of potential impacts of climate change drivers (positive, negative, or neutral) on PSFs based on the general effects of known environmental conditions on soil communities.

PSF typeClimate change drivers
WarmingDrier conditionsWetter conditionsFireIncreased CO2
Fungi
Pathogens+++−−+++−−0
Saprotrophic/organic
matter decomposers
++−−+++−−?
AM fungi+++++++−−−?
EM fungi+−−−+−−−+
Bacteria
Pathogens+++−−+++−−?
Symbiotic N fixers0−−−++0+
Nonsymbiotic N fixers0−−++0+
Drought-tolerant
microbes
++++−−0?
Other specific coevolved
microbes
+++−−−++++?
Other
Primary detritivorous
invertebrates
++−−++−−?
Secondary detritivorous
invertebrates
++−−++?
Root herbivores++−−++0?