2026-06-08T23:16:07Zhttps://docta.ucm.es/rest/oai/request

oai:docta.ucm.es:20.500.14352/435062024-07-19T18:36:20Zcom_20.500.14352_14col_20.500.14352_15

00925njm 22002777a 4500 dc Pérez Sirvent, Carmen author Martínez Sánchez, María José author Molina, José author García Lorenzo, María de la Luz author 2010-02 Increasing evidence suggests that the use of a single bioassay will never provide a full picture of the quality of the environment. Only a test battery composed of bioassays of different animal and plant species from different trophic levels will reduce uncertainty, allowing an accurate assessment of the quality of the environment. In the present study, a multitrophic assessment approach was applied to characterize the toxicity of sediments collected from Portman Bay (SE Spain), polluted by mining activities. Elutriate toxicity tests (Vibrio fischen) and whole sediment toxicity tests (plant species Sorghum saccharatum, Lepidium sativum and Sinapis alba and the crustacean Heterocypris incongruens) were evaluated and results suggested that all the leachate samples were non-toxic for Vibrio fischeri bioassay. However, sediments were toxic for plants and ostracods, showing the highest toxicity in Sl and S6. Correlation analysis results showed that toxicity was positively correlated with total Pb and Zn contents, and with soluble As. 10184619 https://hdl.handle.net/20.500.14352/43506 https://www.prt-parlar.de/ Toxicity of sediments and their leachates in samples from portman bay (SE, SPAIN)