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The structure and seasonal changes of earthworm communities were evaluated in a natural savanna and in a improved grass-legume pasture in a Colombian oxisol over a period of 18 months. One plot of 90×90 m was isolated in each of the systems and each month five samples of 1 m2×0.5 m and ten of 20×...


Jiménez Jaén, J.J.Moreno, AlonsoDecaëns, ThibaudLavelle, Patrick M.Fisher, Myles J.Thomas, Richard J.[Earthworm communities in native savannas and man-made pastures of the Eastern Plains of Colombia]Earthworm communities in native savannas and man-made pastures of the Eastern Plains of Colombia

Martiodrilus carimaguensis (Oligochaeta, Glossoscolecidae) is a large, anecic native earthworm species which was found in natural and disturbed savannas in the Oxisols of the Colombian Llanos. The population dynamics of this species were studied in a native savanna, and in a 17-year-old grazed gr...


Jiménez Jaén, J.J.Moreno, AlonsoLavelle, Patrick M.Decaëns, Thibaud[Population dynamics and adaptive strategies of Martiodrilus carimaguensis (oligochaeta, glossoscolecidae), a native species from the well-drained savannas of Colombia]Population dynamics and adaptive strategies of Martiodrilus carimaguensis (oligochaeta, glossoscolecidae), a native species from the well-drained savannas of Colombia

This was especially due to the presence of a large glossoscolecid anecic species, Martiodrilus carimaguensis Jim\233nez and Moreno, which has been greatly favored by conversion of savanna to pasture. Endogeic species were dominant in the natural savanna whereas the anecic species accounted for th...


Jiménez Jaén, J.J.Moreno, AlonsoDecaëns, ThibaudLavelle, Patrick M.Fisher, Myles J.Thomas, Richard J.[Earthworms communities in native savannas and man-made pastures of the Eastern plains of Colombia]Earthworms communities in native savannas and man-made pastures of the Eastern plains of Colombia

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

Tropical savannas constitute one of the most predominant ecosystems in South America with an overall extension of almost 250 millions ha. The role that these grasslands play over the environment is a key factor to understand its functioning and the response to changes induced by humankind. Moreov...


Jiménez Jaén, J.J.Moreno, AlonsoDecaëns, ThibaudRossi, JPLavelle, Patrick M.[The earthworms community of Carimagua (Eastern plains, Colombia) : taxonomy and ecology of species. Looking forward to a sustainable way of land management?]The earthworms community of Carimagua (Eastern plains, Colombia) : taxonomy and ecology of species. Looking forward to a sustainable way of land management?
Jiménez Jaén, J.J.Moreno, AlonsoDecaëns, ThibaudLavelle, Patrick M.Fisher, Myles J.Thomas, Richard J.[Las comunidades de lombrices en las sabanas nativas y en los pastizales introducidos de los Llanos Orientales de Colombia]Las comunidades de lombrices en las sabanas nativas y en los pastizales introducidos de los Llanos Orientales de Colombia
Jiménez Jaén, J.J.Moreno, AlonsoLavelle, Patrick M.Decaëns, Thibaud[Dinámica de poblaciones y estrategias adaptativas de Martiodrilus carimaguensis (oligochaeta, glossoscolecidae), una especie nativa de las sabanas bien drenadas de Colombia]Dinámica de poblaciones y estrategias adaptativas de Martiodrilus carimaguensis (oligochaeta, glossoscolecidae), una especie nativa de las sabanas bien drenadas de Colombia

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