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Abstract
A study was carried out of soils in Campeche, México, using as a base the cartography of geomorphologic landscapes and reliefs. The objective was to classify the types of soils and to determine the surfaces occupied through cartography. For that purpose, 115 soil profiles distributed into different reliefs were classified at the level of soil units according to the World Reference Base (WRB) version 2007. The soils from the state of Campeche are classified into the following groups: Leptosols (48.05%), Gleysols (16.56%), Nitisols (8.49%), Vertisols (6.93%), Luvisols (6.26%), Stagnosols (2.71%), Histosols (1.93%), Solonchaks (1.83%), Calcisols (0.97%), Cambisols (0.71%), Phaeozems (0.69%), Arenosols (0.52%), Fluvisols (0.35%) and Regosols (0.23%); and from these, 45 soil units are represented in cartography at a scale of 1:250 000.