沿海蓝碳生态系统,通常包括相互连接的栖息地马赛克,是全球重要的碳封存途径,在调节和缓解气候变化方面发挥着重要作用。当前的沿海管理策略通常依赖于简化的区域碳储量估计,忽略了这些生态系统中的地理变化和复杂的生态动态。本研究采用海景生态学方法,评估了两个干旱区沿海泻湖的多重海景特征对碳储量的作用。我们表明,海景位置是碳储量最有影响力的驱动力。此外,碳同位素变异性,连接的代理,可以和栖息地类型一样有影响力,特别是在UAQ泻湖。这挑战了传统上对来自个体栖息地类型的数据的依赖(例如,海草,红树林,或潮汐沼泽),并强调了碳储量的环境依赖性。此外,驱动碳储量的具体特征在不同的海景之间有所不同:在KhorFaridah,与海草和红树林栖息地的连通性至关重要,而在UAQ泻湖,庇护和高架地区的影响更大。我们的研究结果表明,不同栖息地类型之间的相互联系,比如红树林和盐沼,显著增强碳储存。这在大型中尤其明显,潮间带上部的庇护红树林栖息地类型。值得注意的是,一小片红树林,高达10公顷,与碳储量增加约10%有关。这些结果强调了需要更全面的,针对特定环境的方法来设计基于自然的沿海管理和生态系统恢复解决方案。通过考虑海景马赛克的特定特征和连通性,我们可以更有效地提高沿海生态系统的碳储量潜力。这项研究有助于对影响蓝碳生态系统中碳储量的复杂因素进行更深入的空间明确理解,强调反映每个海景独特生态模式的定制管理策略的重要性。
Coastal blue carbon ecosystems, typically comprising interconnected habitat mosaics, are globally important pathways of carbon sequestration and play a significant role in climate change regulation and mitigation. Current coastal management strategies often rely on simplified regional carbon stock estimates, that overlook the geographical variability and intricate ecological dynamics within these ecosystems. This study adopts a seascape ecology approach to evaluate the role of multiple seascape characteristics on carbon storage in two arid region coastal lagoons. We show that seascape location is the most influential driver of carbon stocks. Additionally, carbon isotopic variability, a proxy for
connectivity, can be as influential as habitat type, particularly in the UAQ lagoon. This challenges the conventional reliance on data from individual habitat types (e.g., seagrass, mangrove, or tidal marsh) and highlights the context-dependency of carbon stocks. Moreover, the specific characteristics driving carbon stocks vary between seascapes: in Khor Faridah,
connectivity to seagrass and mangrove habitats is crucial, while in the UAQ lagoon, sheltered and elevated areas are more influential. Our findings suggest that the interconnectivity between different habitat types, such as mangroves and saltmarshes, significantly enhances carbon storage. This is especially pronounced in large, sheltered mangrove habitat types within upper intertidal zones. Notably, small patches of mangroves, up to 10 ha, are associated with an approximate 10 % increase in carbon stocks. These results underscore the need for a more holistic, context-specific approach to designing nature-based solutions for coastal management and ecosystem restoration. By considering the specific characteristics and
connectivity of seascape mosaics, we can more effectively enhance carbon stock potential in coastal ecosystems. This study contributes to a deeper spatially explicit understanding of the complex factors influencing carbon stocks in blue carbon ecosystems, highlighting the importance of tailored management strategies that reflect the unique ecological patterns of each seascape.