_:genid1 "Figure may be copyright protected and permission may be required. Contact original figure source for information"^^ . "tidal-marsh-methane--ch4--emissions-versus-salinity--in-practical-salinity-units--psu--" . "15.3"^^ . "Tidal Marsh Methane (CH4) Emissions Versus Salinity"^^ . "Approaches to measuring atmospheric\r\nCH4 flux are coded by method as SC (static chamber)\r\nand EC (eddy covariance flux tower). CH4 flux is in\r\ngrams (g); salinity is in practical salinity units (PSU).\r\nThe dashed line denotes the demarcation of fresh and\r\noligohaline marshes (0 to 5 PSU) versus mesohaline to\r\nsaline marshes (5 to 35 PSU)."^^ . _:genid1 . . . . . .