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From April to September 1994, macrofauna density, total biomass, and species diversity of earthworms were measured across a range of land use types in the Cabuyal River watershed. The methodology recommended by the Tropical Soil Biology and Fertility (TSBF) Program was used. Macrofauna density, b...


Feijoo Martínez, AlexanderKnapp, EBLavelle, Patrick M.Moreno, Alonso[Quantifying soil macrofauna in a Colombian watershed]Quantifying soil macrofauna in a Colombian watershed

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

Data on the reproductive biology of three native glossoscolecid species from the Colombian Llanos are presented here. The seasonal dynamics of reproduction varied among the species considered which displayed either one or two reproductive periods per year. Cocoons were laid at different depths to...


Jiménez Jaén, J.J.Moreno, AlonsoLavelle, Patrick M.[Reproductive strategies of three native earthworm species from the savannas of Carimagua (Colombia)]Reproductive strategies of three native earthworm species from the savannas of Carimagua (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
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
Feijoo Martínez, AlexanderKnapp, EBLavelle, Patrick M.Moreno, Alonso[Cuantificación de la macrofauna del suelo en una cuenca hidrográfica de Colombia]Cuantificación de la macrofauna del suelo en una cuenca hidrográfica de Colombia
Jiménez Jaén, J.J.Moreno, AlonsoLavelle, Patrick M.[Estrategias reproductoras de tres especies de lombrices nativas de las sabanas de Carimagja (Colombia)]Estrategias reproductoras de tres especies de lombrices nativas de las sabanas de Carimagja (Colombia)

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