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首页> 外文期刊>Environmental Science & Technology >Terrestrial biotic ligand model. 2. Application to Ni and Cu toxicities to plants, invertebrates, and microbes in soil
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Terrestrial biotic ligand model. 2. Application to Ni and Cu toxicities to plants, invertebrates, and microbes in soil

机译:陆地生物配体模型。 2.对土壤中的植物,无脊椎动物和微生物的镍和铜毒性的应用

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The Terrestrial Biotic Ligand Model (TBLM) is applied to a number of noncalcareous soils of the European Union for Cu and Ni toxicities using organisms and endpoints representing three levels of terrestrial organisms: higher plants, invertebrates, and microbes. A comparison of the TBLM predictions to soil metal concentration or free metal ion activity in the soil solution shows that the TBLM is able to achieve a better normalization of the wide variation in toxicological endpoints among soils of disparate properties considered in this study. The TBLM predictions of the EC50s were generally within a factor of 2 of the observed values. To our knowledge, this is the first study that incorporates Cu and Ni toxicities to multiple endpoints associated with higher plants, invertebrates, and microbes for up to eleven noncalcareous soils of disparate properties, into a single theoretical framework. The results of this study clearly demonstrate that the TBLM can provide a general framework for modeling metals ecotoxicity in soils.
机译:陆地生物配体模型(TBLM)使用代表三种陆地生物水平的有机体和终点应用于欧盟多种对Cu和Ni毒性的非钙质土壤:高等植物,无脊椎动物和微生物。 TBLM预测与土壤溶液中土壤金属浓度或游离金属离子活性的比较表明,TBLM能够更好地标准化本研究中考虑的不同性质的土壤中毒理学终点的广泛差异。 EC50的TBLM预测通常在观察值的2倍之内。据我们所知,这是第一个将Cu和Ni毒性与与高等植物,无脊椎动物和微生物相关的多个端点相关的第一个研究,该研究针对多达11种性质不同的非钙质土壤,都整合到一个理论框架中。这项研究的结果清楚地表明,TBLM可以为模拟土壤中金属的生态毒性提供一个通用框架。

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