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首页> 外文期刊>Plant and Soil >Monitoring of water from the underground to the tree: first results with a new sap extractor on a riparian woodland
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Monitoring of water from the underground to the tree: first results with a new sap extractor on a riparian woodland

机译：监测从地下到树上的水：在河岸林地上使用新的树液提取器的第一个结果

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摘要

Riparian woodlands are characterized by variable hydrological conditions. Following the mapping of the complex underground water circulation of the wetlands, we studied the water uptake by trees. Although there are numerous analytical techniques available to monitor the water origin and water fluxes, no rapid technique for the extraction of xylem sap exists on the market. For this reason we designed and built a unique machine able to extract sap directly in the field from wood cores in a few minutes. A short description of the machine and its performance is given, prior to reporting the first experimental results obtained in a young riparian woodland along the Garonne River. The results compare the vertical water profile of the soil and the corresponding xylem sap at different roots horizons and in the trunk.
机译：河岸林地的特征是水文条件变化。在绘制了湿地复杂的地下水循环图之后，我们研究了树木对水的吸收。尽管有许多分析技术可用于监测水的来源和水通量，但市场上尚无用于提取木质部汁液的快速技术。因此，我们设计并制造了一款独特的机器，能够在几分钟内直接从木芯中提取树液。在报告在加龙河沿岸的年轻河岸林地获得的第一个实验结果之前，先对机器及其性能进行简短描述。结果比较了不同根系水平和树干中土壤和相应木质部树液的垂直水分剖面。

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