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首页> 外文期刊>Eurasian Soil Science >Quantitative characteristics of soil mesofauna in the semidesert solonetzic complex of the north Caspian region.
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Quantitative characteristics of soil mesofauna in the semidesert solonetzic complex of the north Caspian region.

机译：里海北部半荒漠孤石联合体中土壤动物的数量特征。

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摘要

The results of long-term quantitative assessments of the invertebrate populations inhabiting the soils of a clayey semidesert are analyzed. The dominant species in the different soils of a solonetzic soil complex are compared. The distribution patterns of the dominant groups of invertebrates in relation to the soil and vegetation complexity dictated by the clearly expressed microrelief are discussed. The changes in the populations of the soil invertebrates are considered against the background of changes in the precipitation during the growing season in different years. It is shown that the population density of the soil invertebrates varies within broad limits in all the soils of the complex. At the same time, it remains considerably lower in the solonchakous solonetzes of the microhighs in comparison with that in the soils of the slopes and microlows. The most contrasting differences in the species composition and the numbers of soil invertebrates are observed for the solonetzes of the microhighs and the meadow-chestnut soils of the microlows. This work was performed at the Dzhanybek Research Station of the Institute of Forestry of the Russian Academy of Sciences on the Volga-Ural interfluve (30 km to the north of Lake El'ton).Digital Object Identifier http://dx.doi.org/10.1134/S1064229310110116
机译：分析了居住在黏土半沙漠土壤中的无脊椎动物种群的长期定量评估结果。比较了松质土壤复合物在不同土壤中的优势种。讨论了明确表达的微浮雕所指示的无脊椎动物的优势种群相对于土壤和植被复杂性的分布模式。在不同年份的生长季节中，降水量变化的背景下认为土壤无脊椎动物种群的变化。结果表明，复合体的所有土壤中无脊椎动物的种群密度在很宽的范围内变化。同时，与斜坡和低洼地的土壤相比，在高洼地的solonchkous solonetzes中，它仍然要低得多。在微高地的松果体和微低地的草甸栗木土壤中，物种组成和无脊椎动物数量的差异最大。这项工作是在俄罗斯科学院林业研究所Dzhanybek研究站的伏尔加-乌拉尔河道交汇处（在埃尔顿湖以北30公里处）进行的。数字对象标识符http：//dx.doi。 org / 10.1134 / S1064229310110116

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