Ohashi, M., Kilpeläinen, J., Finér, L., Risch, A. C., Domisch, T., Neuvonen, S., & Niemelä, P. (2007). The effect of red wood ant (Formica rufa group) mounds on root biomass, density, and nutrient concentrations in boreal managed forests. Journal of Forest Research, 12(2), 113-119. https://doi.org/10.1007/s10310-006-0258-z