期刊
BRAZILIAN ARCHIVES OF BIOLOGY AND TECHNOLOGY
卷 45, 期 2, 页码 195-202出版社
INST TECNOLOGIA PARANA
DOI: 10.1590/S1516-89132002000200011
关键词
coastal lagoon; methane; sediment; nutrients
类别
This study investigated the methanogenic activity in sediment of the Imboacica (human impacted), Cabiunas and Comprida coastal lagoons in Rio de Janeiro State (Brazil). Methane was not detected in water and sediment samples from the three lagoons. The measured nutrient concentrations in the pore-water indicated that methanogens activity was not limited by nutrients. Methanogenic activity was not detected under in vitro conditions, indicating that terminal organic carbon mineralisation via methanogenesis was negligible for the top 6 cm of sediment at the sampling time.
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