防护林降低农业景观中无机元素含量的有效性

Estonian Journal of Ecology Pub Date : 2013-03-01 DOI:10.3176/ECO.2013.1.03

L. Szajdak, I. Życzyńska-Bałoniak

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引用次数: 8

摘要

在穿越防护林的地下水中测量了无机化合物中钙、镁和碳的浓度。无机化合物中Ca、Mg和C的浓度差异主要与林带宽度有关。这种生物-地球化学屏障有效地降低了化学物质的浓度:干质量下降30-75%，Ca下降20-54%，Mg下降46-72%，无机化合物C下降58-71%。

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Effectiveness of a shelterbelt in decreasing the level of inorganic elements in agricultural landscape

Concentrations of calcium, magnesium, and carbon in inorganic compounds were measured in the groundwater crossing a shelterbelt. The differences among the concentrations of Ca, Mg, and C in inorganic compounds were attributed solely to the width of the shelterbelt. This biogeo- chemical barrier efficiently decreased the concentrations of chemical substances: the fall in the dry mass was 30-75%, in Ca 20-54%, in Mg 46-72%, and in C in inorganic compounds 58-71%.

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来源期刊

Estonian Journal of Ecology

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