Data on the chemical properties of Retisols in the Smolenskoye Poozerie National Park

Data on changes in the physicochemical proхies and extractable element fractions of soils at different stages of reforestation are presented. The following stages of natural reforestation have been identified within the Smolenskoye Poozerye National Park Biosphere Reserve: agrocenosis, meadow, forests with the age of the tree stand <30, 35-60, 70-80, 80-110, 90-130, 110-135 years. In Albic Retisols (Loamic), the differentiation of soil proxies was studied: pH, total organic carbon (TOC), grain size fractions, C:N, available P, K, as well as easily-exchangeable, hardly-exchangeable, bound with complexes, Fe-Mn (hydr)oxides fractions of 27 chemical elements.

本数据集呈现了不同造林恢复阶段下土壤理化代用指标及可提取元素形态的变化数据。在斯摩棱斯克湖群国家公园生物圈保护区内，已识别出如下自然恢复造林阶段：农田生态系统、草甸、林分年龄小于30年的森林、35~60年生森林、70~80年生森林、80~110年生森林、90~130年生森林以及110~135年生森林。针对壤质漂白淋溶土（Albic Retisols (Loamic)），本研究分析了其土壤理化指标的分异特征，具体包括pH值、总有机碳（total organic carbon, TOC）、粒度组成、碳氮比（C:N）、有效磷、速效钾，以及27种化学元素的易交换态、难交换态、络合结合态、铁锰（氢）氧化物结合态形态。