Unravelling the pathways of methane production and oxidation in mangroves

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This project addresses a long-standing conundrum of why high methane emissions are sustained in saline coastal wetlands by identifying and quantifying methane production and oxidation processes in mangrove ecosystems. Using a novel combination of cutting-edge instrumentation for greenhouse gases, radiocarbon/stable isotope analysis, this project will generate a first complete picture of the mangrove methane cycle, to accurately quantify, for the first time, Australia’s contribution to global coastal mangrove emissions. The outcomes will establish currently lacking fundamental understanding of wetland methane cycling, advance global biogeochemical models, and improve strategies for natural climate solutions of coastal wetlands in Australia.