Soil solution monitoring in a network of forest ecosystems under temperate and tropical climates provides new insights on the current soil functioning (original) (raw)
Medium term monitoring of forest soils in the temperate and the tropical environment allow us to show that soil solutions represent an efficient tool to assess the changes in current soil functioning because they are one of the most reactive components of the ecosystem. A conceptual model is proposed to gain insight into the interactions between soil solutions and the soil solid phase. Several examples will be presented where soil solution monitoring was used to address specific ecological questions e.g. i-the influence of stand age on element leaching, ii-the effects of tree species on current soil processes, iii-the Impact of tree species on the origin and on the dynamic of dissolved organic carbon in different soil solution types, iv-the effects of afforestation of herbaceous savannas with Eucalyptus plantations in Africa on the chemistry of superficial water, and, v the effects of fertilisation and/or liming on current soil functions.
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