• Vadose zone air as a biogenic source of methane in Nerja Cave system (South of Spain) 

      Vadillo-Perez, Iñaki; Ojeda, Lucía; Etiope, Giuseppe; Benavente, José; Liñán-Baena, Cristina; [et al.] (EGU, 2018)
      Subterranean air in karst cavities has often low methane contents in comparison to atmosphere and so karst systems have been considered a sink of atmospheric methane. Methane-oxidizing bacteria have been hypothesized ...