van den Hoogen J, Geisen S, Wall DH, et al. A global database of soil nematode abundance and functional group composition. Scientific Data. 2020;7(1). doi:10.1038/s41597-020-0437-3.

Nielsen UN, Ayres E, Wall DH, et al. Global-scale patterns of assemblage structure of soil nematodes in relation to climate and ecosystem properties. Global Ecology and Biogeography. 2014;23(9):968 - 978. doi:10.1111/geb.2014.23.issue-910.1111/geb.12177.