TY  - SER
AU  - Zech, Wolfgang
AU  - Amelung, Wulf
AU  - Neufleldt, Henry
TI  - Organic matter in termite mounds of the Brazilian cerrados
AV  - S 623 .S977 
KW  - Savannas
KW  - Carbohydrates
KW  - Lignins
KW  - Oxisols
KW  - Soil organic matter
KW  - Isoptera
KW  - Brazil
KW  - Brasil
KW  - Sabanas
KW  - Carbohidratos
KW  - Ligninas
KW  - Oxisoles
KW  - Materia orgánica del suelo
KW  - Cerrados
KW  - CIAT Externos
KW  - Book chapters
KW  - Capítulos de libros
KW  - Química y física del suelo
KW  - Soil chemistry and physics
KW  - Serial book chapters
N1  - Edited by Richard Thomas, Miguel A. Ayarza
N2  - This study assessed differences between soil organic matter (SOM) in termite mounds and that of surrounding clayey and loamy Oxisols in the Brazilian savannas, also known as the Cerrados. Samples were fractionated into clay (<2 micro m), silt (2-50 pm), and sand (50-250 micro m), and the fractions' SOM was characterized according to C, N, lignin, and carbohydrates. In the mounds, soil organic carbon (SOC) is enriched by a factor of 3.5 and 11.5 in the clayey and loamy Oxisols, respectively. Especially in the sand fraction, the SOC accumulated as particulate SOM. However, in all size fractions, we found higher lignin contents, lower ratios of acids to aldehydes of lignin-derived phenols, and lower ratios of microbial to plant-derived monosugars than in the fractions of the surrounding soil. These findings suggest that the SOM of the mounds is less decomposed
UR  - http://ciat-library.ciat.cgiar.org/Articulos_Ciat/biblioteca/Sustainable_land_management_for_the_oxis.pdf#page=207
ER  -