南乌拉尔及其邻近地区稀有物种刺槐的形态变异

Q4 Agricultural and Biological Sciences International Journal of Plant Biology Pub Date : 2023-08-08 DOI:10.3390/ijpb14030056
A. Mustafina, L. Abramova, Y. Golovanov, O. Karimova
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引用次数: 0

摘要

在研究珍稀植物物种时,形态计量学技术是获取植物个体和特定种群在不同生态条件下生长和经历不同程度人为负荷状态的代表性数据集的主要方法之一。生长在巴什科尔托斯坦共和国、奥伦堡地区和哈萨克斯坦共和国领土上的一种未被充分研究的物种,被称为稀有物种。这项工作的目的是研究形态计量参数并揭示俄罗斯联邦两个地区(巴什科尔托斯坦共和国和奥伦堡地区)和哈萨克斯坦共和国西北部(阿克托别地区)的Z. pinnatum种群的活力结构。采用标准形态计量学技术,对该种16个种群的状态进行了分析。从大多数形态测量参数来看,居首位的是位于奥伦堡州Sol-Iletsky区的“Troitsk白垩纪山脉”种群,显然,这里形成了最理想的植物条件(没有人类影响,草林的低投影覆盖度有有利的影响)。大多数参数的最小值记录在哈萨克斯坦共和国境内的人口中,这是由于干旱的生长条件造成的。大部分性状的变异在物种响应的正常范围内(Cv-5.0-44.6%)。判别函数分析表明,大多数种群的个体形态结构具有相似性。在活力方面,8个种群繁荣,8个种群萧条。种群状况稳定;然而,该物种没有得到适当的保护措施。因此,有必要进一步监测其生境和改善环境措施。
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Morphological Variability of a Rare Species Zygophyllum pinnatum in the South Urals and Adjacent Territories
When working with rare plant species, applying morphometric techniques is one of the main ways to obtain a representative data set on plant individuals and the state of particular populations growing in different ecological conditions and experiencing different degrees of anthropogenic load. Zygophyllum pinnatum, an understudied species growing on the territory of the Republic of Bashkortostan, the Orenburg region, and the Republic of Kazakhstan, is referred as a rare species. The purpose of the work is to study morphometric parameters and reveal the vitality structure of the Z. pinnatum coenopopulations in two regions of the Russian Federation (the Republic of Bashkortostan and Orenburg region) and in the north-west of the Republic of Kazakhstan (the Aktobe Region). Applying standard morphometric techniques, we analyzed the state of 16 coenopopulations of the species. Judging by most morphometric parameters, the leadership belongs to the individuals from the “Troitsk Cretaceous Mountains” coenopopulation located in the Sol-Iletsky District of Orenburg oblast, where, apparently, the most optimal plant conditions are formed (the absence of human impact and low projective cover of the grass stand to have a favorable effect). The minimum values for most parameters are recorded in the coenopopulations located on the territory of the Republic of Kazakhstan, resulting from arid growing conditions. The variability of most characters is within the normal range of the species response (Cv—5.0–44.6%). The discriminant function analysis revealed the morphostructural similarity of individuals from most coenopopulations. Regarding vitality, eight coenopopulations are prosperous, and another eight are depressed. The condition of the species coenopopulations is stable; however, the species is not provided with proper protection measures. Therefore, further monitoring of its habitats and improvement of environmental measures are necessary.
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来源期刊
International Journal of Plant Biology
International Journal of Plant Biology Agricultural and Biological Sciences-Plant Science
CiteScore
2.00
自引率
0.00%
发文量
44
审稿时长
10 weeks
期刊介绍: The International Journal of Plant Biology is an Open Access, online-only, peer-reviewed journal that considers scientific papers in all different subdisciplines of plant biology, such as physiology, molecular biology, cell biology, development, genetics, systematics, ecology, evolution, ecophysiology, plant-microbe interactions, mycology and phytopathology.
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