Variability and vulnerability of coastal 'blue carbon' stocks: A case study from southeast Australia

作者: Carolyn J. Ewers Lewis , Paul E. Carnell , Jonathan Sanderman , Jeffrey A. Baldock , Peter I. Macreadie

DOI: 10.1007/S10021-017-0150-Z

关键词: Physical geographyBlue carbonCarbon sinkSalt marshEcosystemSoil carbonEnvironmental scienceEcologyTotal organic carbonMarshGreenhouse gas

摘要: Abstract 'Blue carbon'ecosystems—seagrasses, tidal marshes, and mangroves—serve as dense carbon sinks important for reducing atmospheric greenhouse gas concentrations, yet only recently have stock estimates emerged. We sampled 96 blue carbon ecosystems across the Victorian coastline (southeast Australia) to quantify total sediment stocks, variability across spatial scales, and estimate emissions associated with historical ecosystem loss. Mean sediment organic carbon (C org) stock (±SE) to a depth of 30 cm was …

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