Physiological bases of adaptation processes of tree species in the Altai botanical garden

T. A. Vdovina, E. A. Isakova, O. Lagus
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Abstract

This article reflects the results of studies of the water regime of 15 species of woody plants in the Altai Botanical Garden for two years. Deciduous species (trees) have a high water-holding capacity and general hydration: Fraxinus lanceolata Bjrckh., Tilia cordata L., Padus racemosa (Lam.) Gilib., Juglans cinerea L. and deciduous species (shrubs): Berberis thunbergii DC., Euonymus maackii Rupr. and Coryulus avellana L. Juglans cinerea L. and Berberis vulgaris L. are distinguished by a high content of «mobile» moisture. Studies have established that the highest parameters of the water regime are characteristic of deciduous species (shrub). Two species of barberry Berberis thunbergii DC. and Berberis vulgaris L. have significant fluctuations in water-holding capacity at the beginning and at the end of growing seasons, which provide a wide ecological amplitude to these species. The coniferous species Juniperus sabina L. water retention capacity and hydration were at the same level during the two growing seasons. The smallest differences between the species are noted on the basis of leaf hydration. Data on water retention capacity, general hydration, «mobile» moisture indicate the species-specificity of these signs. The purpose of the study was to study the water regime of tree species of various ecological and geographical origin in the mountain forest zone of the East Kazakhstan region.
阿尔泰植物园树种适应过程的生理基础
本文反映了两年来对阿尔泰植物园 15 种木本植物的水分系统进行研究的结果。落叶树种(乔木)具有较高的持水量和一般水合作用:Fraxinus lanceolata Bjrckh.、Tilia cordata L.、Padus racemosa (Lam.) Gilib.、Juglans cinerea L.以及落叶树种(灌木):Juglans cinerea L. 和 Berberis vulgaris L. 的特点是 "流动 "水分含量高。研究表明,落叶树种(灌木)的水分平衡参数最高。小檗(Berberis thunbergii DC.)和红叶小檗(Berberis vulgaris L.)这两个品种在生长季节开始和结束时的持水量波动很大,这为这些品种提供了广阔的生态空间。针叶树种杜松(Juniperus sabina L.)的保水能力和水合作用在两个生长季节处于同一水平。在叶片水合作用方面,物种之间的差异最小。关于保水能力、一般水合作用和 "流动 "水分的数据表明,这些迹象具有物种特异性。这项研究的目的是研究东哈萨克斯坦地区山林地带不同生态和地理起源的树种的水分机制。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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