@misc{indiciaea49aaf674407, title = {Available nitrogen: A time-based study of manipulated resource islands}, author = {Michelle M. Stubbs and David A. Pyke}, year = {2005}, doi = {10.1007/s11104-004-1306-0}, url = {https://pubs.usgs.gov/publication/1016359}, note = {Source identifier: 1016359} }