title: Acute toxicity bioassay with the amphipod, Grandidierella bonnieroides S. after exposure to sediments from an urban estuary (Macaé River Estuary, RJ, Brazil).
abstract: Acute toxicity to Grandidierella bonnieroides and physicochemical analysis were used for quality assessment of the sediment of the Macaé River urban estuary, located in the Brazilian coast where rapid socioeconomic growth has been induced by offshore oil and gas exploration at the Campos Basin. Sediment samples were collected during four events in four sampling sites of the estuary and also in a control site. Organism mortality after exposure to the estuarine sediments was, on average, 30 % a value higher than in the control site where it was 10 %. This result together with the physicochemical analysis suggests an initial toxicity condition of the sediments from this aquatic coastal environment.
authors.affiliation: Núcleo em Ecologia e Desenvolvimento Sócio-Ambiental de Macaé, Universidade Federal do Rio de Janeiro-Campus Macaé, CEP: 27971-550, Macaé, RJ, Brazil. molisanimm@yahoo.com.br
authors.forename: Mauricio Mussi
authors.initials: MM
authors.lastname: Molisani
authors.forename: Rafael Nogueira
authors.initials: RN
authors.lastname: Costa
authors.forename: Priscila
authors.initials: P
authors.lastname: Cunha
authors.forename: Carlos Eduardo
authors.initials: CE
authors.lastname: de Rezende
authors.forename: Maria Inês Paes
authors.initials: MI
authors.lastname: Ferreira
authors.forename: Francisco
authors.initials: F
authors.lastname: de Assis Esteves
mesh_terms: D033304:Amphipoda / Q000187:drug effects*; D000818:Animals; D004781:Environmental Exposure; D004784:Environmental Monitoring; D063366:Estuaries; D019015:Geologic Sediments / Q000032:analysis*; D014874:Water Pollutants, Chemical / Q000032:analysis / Q000633:toxicity*
chemical_list: D014874:Water Pollutants, Chemical