Lardo E. auteur aut IRD Coll P. auteur aut IRD Le Cadre E. auteur aut IRD Palese A. M. auteur aut IRD Villenave Cécile auteur aut IRD Xiloyannis C. auteur aut IRD Celano G. auteur aut IRD text journalArticle eng text/pdf born digital access Electromagnetic induction (EMI) is a non-invasive geophysical technique for studying the physical and chemical features of soil distribution. This paper focuses on the relations of the apparent electrical conductivity (ECa) of soil, measured using a Profiler GSSI EMP-400, with soil abiotic and biotic parameters: volumetric water content, pH, electrical conductivity, coarse elements, density and biomass of different earthworm ecological categories (anecics and endogeics).Trials were carried out in nine commercial vineyards in Languedoc-Roussillon (France) cultivated according to different soil management technologies: grass cover, chemical weeding and tillage. Hand sorting and a mustard method were used to measure the earthworms. Strong relationships between the abundance and biomass of anecic and endogeic earthworms and ECa values were found, particularly in grass covered and chemically weeded plots. This result is supported by the high determination coefficients found (R-2 from 0.53 to 0.94). Our results suggest that the EMI signal, as an integrated value of the physical-chemical conditions of soil, represents a real possibility for reducing the number of laborious earthworm samplings, by guaranteeing the reliability of the estimates of mean real values of earthworm parameters and their surface spatial distribution. EMI could therefore be a useful tool to spatialize and to predict the presence of earthworms in fields in perennial crops. specialized Soil apparent electrical conductivity Endogeic earthworms Anecic earthworms Volumetric water content Soil management Soil quality 068 074 076 61 SI 76-84 2012 0929-1393 https://www.documentation.ird.fr/hor/fdi:010057311 10.1016/j.apsoil.2012.06.003 0929-1393 [F B010057311] https://www.documentation.ird.fr/hor/fdi:010057311 https://www.documentation.ird.fr/intranet/publi/2012/12/010057311.pdf Accès réservé (Intranet de l'IRD) IRD - Base Horizon / Pleins textes 2013-01-09 2017-08-23 fdi:010057311 fre