Characterization of soils on consolidated limestone and its relations to grassland vegetation

Pub Date : 2023-01-01 DOI:10.2298/abs230106006b

Jelena Bogosavljevic, A. Djordjevic, U. Šilc, Z. Dajić-Stevanović, S. Aćić, Svjetlana Radmanović

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引用次数: 1

Abstract

Understanding the relations between soil features and plant responses is important for agricultural production and nature conservation. The aim of this study was to investigate the importance of the influence of soils? physical and chemical features on the composition of plant species and richness in grasslands studied on the limestone massif in eastern Serbia (Mt. Rtanj). The data set included 22 phytosociological relev?s, the same number of corresponding mixed soil samples (0-10 cm depth) and 8 soil profiles. Two vegetation types were distinguished by numerical classification as Saturejion montanae and Festucion valesiacae. The results of detrended correspondence analysis (DCA) indicated that the most important soil parameters affecting species composition in dry grasslands were humus, the content of calcium, soil exchange capacity and base saturation, in addition to total acidity, pH and soil depth. The communities of both vegetation types are developed on Leptosols and Phaeozems. Under similar physical and chemical conditions of the soil, the grassland vegetation exhibits differences in floristic composition.

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固结石灰岩土壤特征及其与草地植被的关系

了解土壤特征与植物响应之间的关系对农业生产和自然保护具有重要意义。本研究的目的是探讨土壤影响的重要性。塞尔维亚东部Rtanj山石灰岩地块草地植物种类组成和丰富度的理化特征。数据集包括22个植物社会学相关的?S，相同数量对应的混合土样(0-10 cm深度)和8个土壤剖面。通过数值分类将植被类型划分为饱和山地(Saturejion montanae)和结花谷(festuion valesiacae)。去趋势对应分析(DCA)结果表明，除总酸度、pH值和土壤深度外，腐殖质、钙含量、土壤交换容量和碱饱和度是影响干旱区草地物种组成最重要的土壤参数。两种植被类型的群落都发育在轻壤和phaeozem上。在相似的土壤理化条件下，草地植被的区系组成存在差异。

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