Alteration of ecosystem nitrogen dynamics by exotic plants: a case study of C4 grasses in Hawai’i. Mack MA, D'Antonio CM and Ley RE. Ecological Applications. 11: 1323-1335. (2001). DOI: https://doi.org/10.2307/3060923
Soil ecological interactions: comparisons between tropical and subalpine forests. Gonzalez G, Ley RE, Schmidt SK, Zou X and Seastedt TR. Oecologia. 128: 549-556. (2001). DOI: https://doi.org/10.1007/s004420100685
Microbial biomass levels in barren and vegetated high altitude talus soils. Ley RE, Lipson DA and Schmidt SK. Soil Science Society of America Journal. 65: 111-117. (2001). DOI: https://doi.org/10.2136/sssaj2001.651111x
