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Fourteen types of physical structures produced on the soil surface by ecological engineers were sampled in the Eastern Plains of Colombia. The invertebrates creating these structures were identified. Some physical (aggregate size and stability, and bulk density) and chemical (C, N, and P contents...


Decaëns, ThibaudGalvis, JHAmézquita Collazos, Edgar[Properties of the structures created by ecosystem engineers on the soil surface of a Colombian savanna]Properties of the structures created by ecosystem engineers on the soil surface of a Colombian savanna

Only a small part of the spatio-temporal structures of earthworm distribution was correlated with soil properties. Small species were more abundant in patches were soil was more compact, while large species were associated with high root biomass and total C levels. The question whether earthworm ...


Decaëns, ThibaudRossi, JP[Spatio-temporal structure of an earthworm community and soil heterogeneity in a tropical pasture (Carimagua, Colombia)]Spatio-temporal structure of an earthworm community and soil heterogeneity in a tropical pasture (Carimagua, Colombia)
Jiménez Jaén, J.J.Decaëns, ThibaudThomas, Richard J.Mariani, L[General conclusions, research highlights, and future needs]General conclusions, research highlights, and future needs

Earthworms are generally considered to fulfill the definition of ecosystem engineers. The casts they produce are recognised to have a great importance in the regulation of soil processes. Lifetimes and degradation rates of these structures remain poorly known. In this study, the dynamics of disap...


Decaëns, Thibaud[Degradation dynamics of surface earthworms casts in grasslands of the Eastern plains of Colombia]Degradation dynamics of surface earthworms casts in grasslands of the Eastern plains of Colombia

Earthworms are considered soil ecosystem engineers that play an important role in soil organic matter dynamics and physical structure. Due to both their size and activities these organisms can accelerate the decomposition and mineralization of organic matter by reducing the size of residues to pa...


Jiménez Jaén, J.J.Cepeda, AFriesen, Dennis K.Decaëns, ThibaudOberson, Astrid[Phosphorus availability in casts of an anecic savanna earthworms in Colombian oxisol]Phosphorus availability in casts of an anecic savanna earthworms in Colombian oxisol

Decaëns, ThibaudJiménez Jaén, J.J.Rangel, AFCepeda, AMoreno, AlonsoLavelle, Patrick M.[La macrofauna del suelo en la sabana bien drenada de los Llanos Orientales]La macrofauna del suelo en la sabana bien drenada de los Llanos Orientales
Decaëns, ThibaudMariani, LLavelle, Patrick M.[Las comunidades de la macrofauna de la superficie del suelo asociadas con las heces de las lombrices de tierra en los Llanos Orientales de Colombia]Las comunidades de la macrofauna de la superficie del suelo asociadas con las heces de las lombrices de tierra en los Llanos Orientales de Colombia
Decaëns, ThibaudJiménez Jaén, J.J.Lavelle, Patrick M.[Efecto de la exclusión de la lombriz anécica Martiodrilus carimaguensis Jiménez y Moreno en las propiedades del suelo y en el crecimiento de las plantas, en pastizales de los Llanos Orientales de Colombia]Efecto de la exclusión de la lombriz anécica Martiodrilus carimaguensis Jiménez y Moreno en las propiedades del suelo y en el crecimiento de las plantas, en pastizales de los Llanos Orientales de Colombia
Decaëns, Thibaud[Dinámica de la degradación de las heces superficiales de la lombriz de tierra en áreas de sabana y de pastizal en los Llanos Orientales de Colombia]Dinámica de la degradación de las heces superficiales de la lombriz de tierra en áreas de sabana y de pastizal en los Llanos Orientales de Colombia
Jiménez Jaén, J.J.Decaëns, ThibaudThomas, Richard J.Lavelle, Patrick M.[La macrofauna del suelo: un recurso natural aprovechable pero poco conocido]La macrofauna del suelo: un recurso natural aprovechable pero poco conocido

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