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首页> 外文会议>International Congress on Arsenic in the Environment >Performance of Eucalyptus species on capped arsenic-rich gold mine tailings in the Victorian Goldfields, Australia
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Performance of Eucalyptus species on capped arsenic-rich gold mine tailings in the Victorian Goldfields, Australia

机译：澳大利亚维多利亚金菲尔德山上富含砷金矿尾矿桉树物种的表现

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An experimental tailings research facility was constructed to allow long-term trials to be conducted and investigate the performance and variation in growth and arsenic foliar content in Eucalyptus spp. A cover of slurried oxide waste-residue was poured on to consolidated arsenic-rich sulfidic gold tailings (≈2000 mg As kg~(-1)) and capped with local topsoil. This study focuses on the growth responses of candidate Eucalyptus species in relation to arsenic-rich substrate. Three provenances of Eucalyptus dado-calyx grew the fastest and, on average, produced the largest stem volumes. The local provenance E. gonio-calyx was the poorest. Among the others, Corymbia maculata ranked second, E. camaldulensis ranked third, and E. tricarpa ranked after these. Owing to its ability to grow under arsenic-rich conditions, more detailed testing of E. cladocalyx involving long-term monitoring of growth and foliar arsenic content is required to improve the selection of suitable species for use in arsenical mineral waste rehabilitation.
机译：建造实验尾矿研究设施，以允许进行长期试验，并探讨桉树SPP中生长和砷叶含量的性能和变化。浆化的氧化物废物残余物的盖倒在合并富砷硫化物金尾矿（≈2000毫克作为公斤〜（-1））中，用本地表土覆盖。该研究侧重于候选桉树物种与富有砷的基材相关的生长反应。桉树大谷克斯的三种序列增长最快，平均地产生最大的茎体积。局部出现E. Gonio-Calyx是最贫穷的。在其他人中，Corymbia maculata排名第二，E.Camaldulensis排名第三，并且E. Tricarpa在这些之后排名。由于其在富有砷的条件下生长的能力，因此需要更详细的Cladocalyx测试涉及长期监测生长和叶酸砷含量的植物内容，以改善适用于砷矿物废物康复的合适物种的选择。

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