简介：Thedemandforsimpleandrapidbioassaysinecotoxicologicalevaluationsisofparamountimportanceinordertospeedupenvironmentalmonitoringprograms.Inthisstudyweperformedbioassayswithlettuceseedsandtwospeciesofterrestrialisopods(ArmadillidiumvulgareandPorcelliodilatatus)fortheecotoxicologicalassessmentofalandfarmingsoilfromapetrochemicalcomplexarea.Thesolubilizedcontentoftestsoildemonstratedaconcentration-responsetypetoxiceffectonseedgerminationrate,andadelayongermination,butshowedtoxiceffectonseedlingswetweightonlyatthehighestconcentration.Toxiceffectswerealsoobservedinmortalityrateandavoidancebehaviorofthetwowoodlicespecies.Theseresultsdemonstratedthesensitivenessoftheorganismsstudied,andhighlightedthepossibilitytousethesebioassaysinenvironmentalmonitoringprogramsinareascontaminatedwithfossilfuels.