TY  - RPRT
TI  - Surface disturbance of cryptobiotic soil crusts: nitrogenase activity, chlorophyll content, and chlorophyll degradation
AU  - Jayne Belnap
AU  - Kimball T. Harper
AU  - Steven D. Warren
PY  - 1994
DO  - 10.1080/15324989309381373
UR  - https://pubs.usgs.gov/publication/70129153
ID  - 70129153
ER  -