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Dissolved organic matter (DOM) represents the largest organic matter pool in freshwater systems, but much of it remains molecularly uncharacterized. Although freshwater systems cover only a small area of the earth’s surface, inland waters are an important component of the global carbon cycle. The traditional idea that rivers are simply conduits for refractory carbon delivery to coastal areas is inconsistent...
Chemically stable fractions of the soil organic carbon (SOC) contribute to the soil C sequestration and may have an important role for the global C budget. Soil organic carbon characterization was studied using acid hydrolysis methods with 1 M and 6 M HCl and hot-water extraction in two coastal plain soils collected from different landscape positions. The residues after the chemical treatments were...
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