The study presented in this work emerged as a result of a multiyear regional geochemical survey based on low-density topsoil sampling and the ensuing geochemical atlas of Croatia. This study focuses on the Dinaric part of Croatia to expound the underlying mechanisms controlling the mobilities and variations in distribution of potentially harmful elements as observed from different environmental angles. Although serious environmental degradation of the vulnerable karst soil landscapes was expected to occur chiefly through the accumulation of various heavy metals, the most acute threat materialized through the soil acidification (Al-toxicity) affecting the entire Dinaric karst area. This picture surfaced from the analysis of all three investigated discriminant function models employing the abovementioned environmental criteria selected autonomously with respect to the evaluated soil geochemistry, namely, geologic setting, regional placement and land use. These models are presented by not only the characteristic discriminant-function diagrams but also a set of appropriate mathematically derived geochemical maps disclosing the allocations of potential threats to the karst soil landscapes posed by soil acidity.

中文翻译：

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喀斯特景观中表土环境的区分：地球化学制图运动的结果

这项工作中提出的研究是基于多年区域地球化学调查的结果，该调查基于低密度表土采样和随后的克罗地亚地球化学图集。这项研究的重点是克罗地亚的迪纳里克地区，从不同的环境角度阐述了控制潜在有害元素的迁移和分布变化的潜在机制。尽管预计主要通过各种重金属的积累，使脆弱的喀斯特土壤景观发生严重的环境退化，但最严重的威胁是通过土壤酸化（铝毒性）而产生的，影响了整个狄纳里克喀斯特地区。该图片来自对所有三个判别函数模型的分析，这些模型采用上述环境标准，该标准是根据评估的土壤地球化学自主选择的，即地质环境，区域布局和土地利用。这些模型不仅由特征判别函数图表示，而且由一组适当的数学推导的地球化学图表示，这些图揭示了土壤酸度对岩溶土壤景观潜在威胁的分配。