April 23, 2024 McKenna, O. P. and O. E. Sala. 2018. Playa-wetlands effects on dryland biogeochemistry: Space and time interactions. Journal of Geophysical Research Biogeosciences 123(6):1879-1887. Home » McKenna, O. P. and O. E. Sala. 2018. Playa-wetlands effects on dryland biogeochemistry: Space and time interactions. Journal of Geophysical Research Biogeosciences 123(6):1879-1887.