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首页> 外文会议>International Soil Conservation Organization Conference vol.3; 20020526-31; Beijing(CN) >A Study on the Water Eco-Physiology of Seabuckthorn in Different Habitats of Loess Plateau
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A Study on the Water Eco-Physiology of Seabuckthorn in Different Habitats of Loess Plateau

机译：黄土高原不同生境沙棘水生态生理研究

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摘要

This paper deals with the seabuckthorn water eco-physiological features in different habitats of north of Shaanxi, loess plateau. The typical habitats are classified that hill- top, sunny, shade, semi-shade, semi-sunny hillside. The field collected data of transpiration rate, stamatal conductance, relative water content, loss of water resistance were studied, while analyzed the relationships of these characteristics and environment factor, with surveying then-growth conditions and biomass. The main results showed that values of Tr of sunny and shade were relative higher, while the diurnal changes of shade-hillside could keep more steady at a higher level but sunny have declined quickly since midday. There was a positive regression between Tr and soil water content. Generally, the trends of daily variations of Gs and relative humidity were similar, this implies that their correlation was significant.
机译：本文探讨了陕北黄土高原不同生境的沙棘水生态生理特征。典型的生境分类为山顶，晴天，阴影，半阴影，半晴天的山坡。研究了田间蒸腾速率，气田导度，相对含水量，耐水性下降的数据，同时分析了这些特征与环境因子的关系，并调查了生长条件和生物量。主要结果表明，晴天和阴凉处的Tr值相对较高，而阴凉山坡的日变化可以在较高水平上保持更稳定，但晴天自中午以来迅速下降。 Tr与土壤含水量之间存在正回归关系。通常，Gs和相对湿度的每日变化趋势相似，这表明它们之间的相关性很显着。

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