高纬度生态系统在碳预算中被忽视了,传统上专注于红树林,盐沼,和海草。底栖组合及其对纳蒙库拉人的自然贡献-伯德伍德银行I和II,两个近海南极次海洋保护区(MPA),是保护价值。在这里,我们表明这些海洋保护区的碳库可能比它们的南极对应物更大,which,连同他们的延伸,强调必须保持他们受保护的地位。考虑到它们的总面积,这些MPA储存在生物质52,085.78MgC中,有机碳(OC)对应34,964.16Mg,无机碳(IC)对应17,121.62Mg。表面沉积物储存了933,258,336MgC,其中OC为188,089,629Mg,IC为745,168,707Mg。然而,当计算通过CaCO3沉淀产生的二氧化碳时,生物质和沉积物的IC组分减少到3,150.37MgC和137,111,042MgC,分别。我们假设由于海洋位置,沉积物沉积量较低,因为这些地区的直接沉降率是不可用的。大多数蓝碳评估只关注OC,尽管CaCO3的形成释放了CO2,但却减少了净碳储量。我们比较了将碳酸盐纳入碳估算的各种方法。这些结果强调了将IC纳入碳评估的重要性,并强调了南极底栖生态系统作为基于自然的气候变化解决方案的重要性。
High-latitude ecosystems have been overlooked in carbon budgets, which traditionally focus on mangroves, salt marshes, and seagrasses. The benthic assemblages and their Nature Contributions to People in Namuncurá - Burdwood Bank I and II, two offshore sub-Antarctic Marine Protected Areas (MPAs), are the conservation values. Here we show that the carbon reservoirs of these MPAs can be greater than those of their Antarctic counterparts, which, together with their extension, emphasize the need to maintain their protected status. Considering their total area, these MPAs stored in biomass 52,085.78 Mg C, corresponding 34,964.16 Mg to organic carbon (OC) and 17,121.62 Mg to inorganic carbon (IC). Surficial sediments stored 933,258,336 Mg C with 188,089,629 Mg of OC and 745,168,707 Mg of IC. However, when accounting for CO2 production through CaCO3 precipitation, the IC fractions decrease to 3,150.37 Mg C and 137,111,042 Mg C for biomass and sediments, respectively. We assume low sediment deposition due to the oceanic location, as direct sedimentation rates for these areas are unavailable. Most blue carbon assessments have focused solely on OC, despite the formation of CaCO3 releases CO2, decreasing net carbon storage. We compared various approaches for incorporating carbonates into carbon estimations. These results underscore the importance of including IC into carbon assessments and highlights the importance of sub-Antarctic benthic ecosystems as nature-based solutions to climate change.