Tropical and subtropical agroecosystems published by the Faculty of Veterinary Medicine and Animal Science, University of Yucatan, México. Is an international peer-reviewed publication devoted to disseminate all information contributing to the understanding and development of agroecosystems in tropical and subtropical areas. The Journal recognizes the multidisciplinary nature of its scope and encourages the submission of material from all of the disciplines involved in this area, accepts papers in either Spanish or English.