April 15, 2024 Asao, S., W. J. Parton, M. Chen and W. Gao. 2018. Photodegradation accelerates ecosystem N cycling in a simulated California grassland. Ecosphere 9(8):e02370. Home » Asao, S., W. J. Parton, M. Chen and W. Gao. 2018. Photodegradation accelerates ecosystem N cycling in a simulated California grassland. Ecosphere 9(8):e02370.