Título: Iron and sulfur geochemistry in semi-arid mangrove soils (Ceará, Brazil) in relation to seasonal changes and shrimp farming effluentsAutor: Gabriel Nuto NóbregaAno: 2013DOI: 10.1007/s10661-013-3108-4Revista: Environmental Monitoring and Assessment (Print)ISSN: 01676369Tags: Mangrove EcosystemEnvironmental impactsAquacultureSeasonal VariationFESIdioma: Inglês