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Soil carbon storage is an important function of terrestrial ecosystems. Soil contains more carbon than plants and the atmosphere combined. [ 1 ] Understanding what maintains the soil carbon pool is important to understand the current distribution of carbon on Earth, and how it will respond to environmental change.
Carbon sequestration is the process of storing carbon in a carbon pool. [2]: 2248 It plays a crucial role in limiting climate change by reducing the amount of carbon dioxide in the atmosphere. There are two main types of carbon sequestration: biologic (also called biosequestration) and geologic. [3]
Dryland inhabitants' lifestyle provides global environmental benefits which contribute to halt climate change, such as carbon sequestration and species conservation. Dryland biodiversity is equally of central importance as to ensuring sustainable development , along with providing significant global economic values through the provision of ...
Carbon farming enhances carbon sequestration in the soil. Carbon farming is a set of agricultural methods that aim to store carbon in the soil, crop roots, wood and leaves. The technical term for this is carbon sequestration. The overall goal of carbon farming is to create a net loss of carbon from the atmosphere. [1]
Afforestation critics argue that ecosystems without trees are not necessarily degraded, and many of them can store carbon as they are; for example, savannas and tundra store carbon underground. [ 10 ] [ 11 ] Carbon sequestration estimates in these areas often do not include the total amount of carbon reductions in soils and slowing tree growth ...
The IPCC Sixth Assessment Report says: "Secondary forest regrowth and restoration of degraded forests and non-forest ecosystems can play a large role in carbon sequestration (high confidence) with high resilience to disturbances and additional benefits such as enhanced biodiversity." [70] [71]
No-till farming has been claimed to increase soil organic matter, and thus increase carbon sequestration. [ 24 ] [ 50 ] While many studies report soil organic carbon increases in no-till systems, others conclude that these effects may not be observed in all systems, depending on factors, such as climate and topsoil carbon content. [ 51 ]
Soil carbon sequestration is a major property of the soil, also considered as an ecosystem service. [24] Only when it becomes stable and acquires its multi-century permanence, mostly via multiple interactions with the soil matrix , molecular soil humus should be considered to be of significance in removing the atmosphere's current carbon ...