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The effects of Martiodrilus carimaguensis (Oligochaeta, Glossoscolecidae) on soil seed banks was investigated in a Colombian savanna and two introduced pastures. Germination and washing-sieving methods were used to compare seed density, diversity, and germination rates in earthworm casts and the ...


Decaëns, ThibaudMariani, LBetancourt, NJiménez Jaén, J.J.[Earthworm effects on permanent soil seed banks in Colombian grasslands]Earthworm effects on permanent soil seed banks in Colombian grasslands

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

A detailed description and drawings of the aestivation chambers of five earthworm species are given plus a complete analysis of the mechanistic processes that determine this behavioral pattern for one anecic species from Colombia. The onset of aestivation differed in adults and juveniles for two ...


Jiménez Jaén, J.J.Brown, George G.Decaëns, ThibaudFeijoo Martínez, AlexanderLavelle, Patrick M.[Differences in the timing of diapause and patterns of aestivation in tropical earthworms]Differences in the timing of diapause and patterns of aestivation in tropical earthworms

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.Brown, George G.Decaëns, ThibaudFeijoo Martínez, AlexanderLavelle, Patrick M.[Diferencias en la programación de la diapausa y en los patrones de estivación de algunas especies de lombriz de tierra del trópico]Diferencias en la programación de la diapausa y en los patrones de estivación de algunas especies de lombriz de tierra del trópico
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
Decaëns, ThibaudMariani, LBetancourt, NJiménez Jaén, J.J.[Efectos causados por las lombrices en el banco de semillas permanente del suelo en sistemas de sabana y de pastizal en Colombia]Efectos causados por las lombrices en el banco de semillas permanente del suelo en sistemas de sabana y de pastizal en Colombia

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