Effects of Marine and Freshwater Macroalgae on In Vitro Total Gas and Methane Production Machado, Lorenna ; Magnusson, Marie ; Paul, Nicholas A. ; de Nys, Rocky ; Tomkins, Nigel Abstract Publication: PLoS ONE Pub Date: January 2014 DOI: 10.1371/journal.pone.0085289 Bibcode: 2014PLoSO...985289M