期刊
ENVIRONMENTAL POLLUTION
卷 172, 期 -, 页码 170-179出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2012.08.018
关键词
Spatial analysis; Zebrafish embryo; Maximum entropy
资金
- European Union (European Commission) [213161]
Ecotoxicological bioassays, e.g. based on Danio rerio teratogenicity (DarT) or the acute luminescence inhibition with Vibrio fischeri, could potentially lead to significant benefits for detecting on site contaminations on qualitative or semi-quantitative bases. The aim was to use the observed effects of two ecotoxicological assays for estimating the extent of a Benzene groundwater contamination plume. We used a Maximum Entropy (MaxEnt) method to rebuild a bivariate probability table that links the observed toxicity from the bioassays with Benzene concentrations. Compared with direct mapping of the contamination plume as obtained from groundwater samples, the MaxEnt concentration map exhibits on average slightly higher concentrations though the global pattern is close to it. This suggest MaxEnt is a valuable method to build a relationship between quantitative data, e.g. contaminant concentrations, and more qualitative or indirect measurements, in a spatial mapping framework, which is especially useful when clear quantitative relation is not at hand. (C) 2012 Elsevier Ltd. All rights reserved.
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