J. J. Jaén

Earthworm effects on permanent soil seed banks in Colombian grasslands

T. Decaëns, L. Mariani, N. Betancourt, 2001 .

Reproductive strategies of three native earthworm species from the savannas of Carimagua (Colombia)

P. Lavelle, A. Moreno, J. J. Jaén, 1999, Pedobiologia.

Impact of land management on soil macrofauna in the Oriental Llanos of Colombia

P. Lavelle, T. Decaëns, G. Escobar, 1994 .

Impact of land management on soil macrofauna in the Eastern plains of Colombia

P. Lavelle, T. Decaëns, G. Escobar, 2001 .