Global dataset of soil organic carbon in tidal marshes
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Tidal marshes store large amounts of organic carbon in their soils. Field data quantifying soil organic carbon (SOC) stocks provide an important resource for researchers, natural resource managers, and policy-makers working towards the protection, restoration, and valuation of these ecosystems. We collated a global dataset of tidal marsh soil organic carbon (MarSOC) from 99 studies that includes location, soil depth, site name, dry bulk density, SOC, and/or soil organic matter (SOM). The MarSOC dataset includes 17,454 data points from 2,329 unique locations, and 29 countries. We generated a general transfer function for the conversion of SOM to SOC. Using this data we estimated a median (± median absolute deviation) value of 79.2±38.1 Mg SOC ha−1 in the top 30cm and 231±134 Mg SOC ha−1 in the top 1m of tidal marsh soils globally. This data can serve as a basis for future work, and may contribute to incorporation of tidal marsh ecosystems into climate change mitigation and adaptation strategies and policies.
Maxwell , T L , Rovai , A S , Adame , M F , Adams , J B , Álvarez-Rogel , J , Austin , W , Beasy , K , Boscutti , F , Böttcher , M E , Bouma , T J , Bulmer , R H , Burden , A , Burke , S A , Camacho , S , Chaudhary , D R , Chmura , G L , Copertino , M , Cott , G M , Craft , C , Day , J , de los Santos , C B , Denis , L , Ding , W , Ellison , J C , Ewers Lewis , C J , Giani , L , Gispert , M , Gontharet , S , González-Pérez , J A , González-Alcaraz , M N , Gorham , C , Graversen , A E , Grey , A , Guerra , R , He , Q , Holmquist , J R , Jones , A R , Juanes , J A , Kelleher , B P , Kohfeld , K E , Krause-Jensen , D , Lafratta , A , Lavery , P S , Laws , E A , Leiva-Dueñas , C , Loh , P S , Lovelock , C E , Lundquist , C J , Macreadie , P I , Mazarrasa , I , Megonigal , J P , Neto , J M , Nogueira , J , Osland , M J , Pagès , J F , Perera , N , Pfeiffer , E-M , Pollmann , T , Raw , J L , Recio , M , Ruiz-Fernández , A C , Russell , S K , Rybczyk , J M , Sammul , M , Sanders , C , Santos , R , Serrano , O , Siewert , M , Smeaton , C , Song , Z , Trasar-Cepeda , C , Twilley , R R , Van de Broek , M , Vitti , S , Antisari , L V , Voltz , B , Wails , C N , Ward , R D , Ward , M , Wolfe , J , Yang , R , Zubrzycki , S , Landis , E , Smart , L , Spalding , M & Worthington , T A 2023 , ' Global dataset of soil organic carbon in tidal marshes ' , Scientific Data , vol. 10 , 797 . https://doi.org/10.1038/s41597-023-02633-x
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DescriptionFunding: W.E.N.A. and C.S. would like to acknowledge funding support from the Scottish Government and UK Natural Environment Research Council C-SIDE project (grant NE/R010846/1).
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