P. Vitousek

Has nitrogen availability decreased over much of the land surface in the past century? A model-based analysis
Vitousek, P. M., Xiaoyu Cen, and Peter M. Groffman. 2024. “Has Nitrogen Availability Decreased Over Much Of The Land Surface In The Past Century? A Model-Based Analysis”. Biogeochemistry. Springer Science and Business Media LLC. doi:10.1007/s10533-024-01146-y.
The soil and plant biogeochemistry sampling design for The National Ecological Observatory Network
Hinckley, Eve-lyn S., Gordon B. Bonan, Gabriel J. Bowen, Benjamin P. Colman, Paul A. Duffy, Christine L. Goodale, B. Z. Houlton, et al. 2016. “The Soil And Plant Biogeochemistry Sampling Design For The National Ecological Observatory Network”. Ecosphere 7 (3). doi:10.1002/ecs2.1234.
Human alteration of the global nitrogen cycle: causes and consequences
Vitousek, P. M., J. D. Aber, Robert W. Howarth, Gene E. Likens, P.A. Matson, D.W. Schindler, William H. Schlesinger, and G.D. Tilman. 1997. “Human Alteration Of The Global Nitrogen Cycle: Causes And Consequences”. Issues Ecol. 1: 1-15.
Human alteration of the global nitrogen cycle: sources and consequences
Vitousek, P. M., J. D. Aber, Robert W. Howarth, Gene E. Likens, P.A. Matson, D.W. Schindler, William H. Schlesinger, and G.D. Tilman. 1997. “Human Alteration Of The Global Nitrogen Cycle: Sources And Consequences”. Ecol. Appl. 7: 737-750.