世界潮汐沼泽地中的土壤碳。
Soil carbon in the world's tidal marshes.
作者信息
Maxwell Tania L, Spalding Mark D, Friess Daniel A, Murray Nicholas J, Rogers Kerrylee, Rovai Andre S, Smart Lindsey S, Weilguny Lukas, Adame Maria Fernanda, Adams Janine B, Austin William E N, Copertino Margareth S, Cott Grace M, Duarte de Paula Costa Micheli, Holmquist James R, Ladd Cai J T, Lovelock Catherine E, Ludwig Marvin, Moritsch Monica M, Navarro Alejandro, Raw Jacqueline L, Ruiz-Fernández Ana-Carolina, Serrano Oscar, Smeaton Craig, Van de Broek Marijn, Windham-Myers Lisamarie, Landis Emily, Worthington Thomas A
机构信息
Conservation Science Group, Department of Zoology, University of Cambridge, Cambridge, UK.
Biodiversity, Ecology and Conservation Research Group, International Institute for Applied Systems Analysis (IIASA), Laxenburg, Austria.
出版信息
Nat Commun. 2024 Nov 26;15(1):10265. doi: 10.1038/s41467-024-54572-9.
Tidal marshes are threatened coastal ecosystems known for their capacity to store large amounts of carbon in their water-logged soils. Accurate quantification and mapping of global tidal marshes soil organic carbon (SOC) stocks is of considerable value to conservation efforts. Here, we used training data from 3710 unique locations, landscape-level environmental drivers and a global tidal marsh extent map to produce a global, spatially explicit map of SOC storage in tidal marshes at 30 m resolution. Here we show the total global SOC stock to 1 m to be 1.44 Pg C, with a third of this value stored in the United States of America. On average, SOC in tidal marshes' 0-30 and 30-100 cm soil layers are estimated at 83.1 Mg C ha (average predicted error 44.8 Mg C ha) and 185.3 Mg C ha (average predicted error 105.7 Mg C ha), respectively.
潮间带湿地是受威胁的沿海生态系统，以其在涝渍土壤中储存大量碳的能力而闻名。准确量化和绘制全球潮间带湿地土壤有机碳（SOC）储量对保护工作具有重要价值。在这里，我们使用来自3710个独特位置的训练数据、景观尺度的环境驱动因素和全球潮间带湿地范围地图，制作了一幅分辨率为30米的全球潮间带湿地SOC储量空间明确地图。我们在此展示，全球1米深度的SOC总储量为1.44Pg C，其中三分之一储存在美国。平均而言，潮间带湿地0-30厘米和30-100厘米土层中的SOC估计分别为83.1Mg C/公顷（平均预测误差44.8Mg C/公顷）和185.3Mg C/公顷（平均预测误差105.7Mg C/公顷）。
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