Vertical distribution of potentially toxic elements in sediments impacted by intertidal geothermal hot springs (Bahia Concepcion, Gulf of California)

Maria Luisa Leal-Acosta, Universidad del Mar, Instituto de Recursos, Puerto Ángel, Oaxaca, Mexico and Evgueni Shumilin, Centro Interdisciplinario de Ciencias Marinas, Oceanología, La Paz, Mexico