粗放型管理与废弃后毛利兰草甸种群状况

IF 0.2 Q4 ECOLOGY

International Journal of Ecology & Development Pub Date : 2023-07-27 DOI:10.1155/2023/2549617

K. Kostrakiewicz-Gierałt, M. Podgórska, S. Kłosowski

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引用次数: 0

摘要

20世纪在中欧和东欧观察到的半天然Molinia草甸的放弃开始了次生演替，并威胁到许多草甸物种的种群状态和持久性。考虑到这一点，本研究的目的是研究在广泛使用(EM)和至少15年未管理(UM)的Molinia草甸(波兰南部，中欧)中剑兰(Gladiolus imbricatus L.)的个体丰度和选择性状。共调查了剑兰幼虫125个，营养个体21个，生殖个体119个。田间研究结果表明，两个研究斑块的生殖个体的枝高与其他性状均呈正相关。此外，剑兰种群的丰度越高(尤其是幼枝数量越多)，叶片、芽、花序和蒴果的尺寸越大，表明种群的适宜状态。这些数据表明，遗弃和进化的次生演替对毛兰种群有积极的影响。

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State of the Population of Gladiolus imbricatus L. in a Molinia Meadow after Extensive Management and Abandonment

The abandonment of seminatural Molinia meadows observed in Central and Eastern Europe during the 20th century started the secondary succession and threatened the state and persistence of populations of numerous meadow species. Considering this, the aims of the presented investigations were to study the abundance and selected traits of individuals of Gladiolus imbricatus L. in extensively used (EM) and unmanaged for at least 15 years (UM) Molinia meadows (Southern Poland, Central Europe). Altogether, 125 juvenile individuals, 21 vegetative individuals, and 119 generative individuals of Gladiolus imbricatus were investigated. The field studies showed positive correlation among the height of shoots and other traits of generative individuals in both study patches. Moreover, the greater abundance of population of Gladiolus imbricatus (especially the greater number of juveniles), as well as the greater dimensions of leaf blades, shoots, inflorescence, and number of capsules in the patch UM, indicates the appropriate state of the population. These data indicate a positive influence of abandonment and evolving secondary succession on the Gladiolus imbricatus population within the Molinia meadows.

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International Journal of Ecology & Development ECOLOGY-

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期刊介绍： The main aim of the International Journal of Ecology & Development (IJED) is to publish refereed, well-written original research articles, and studies that describe the latest research and developments in ecology and development. It also covers the many potential applications and connections to other areas of Ecological Science, economics and technology such as the use and development of mathematics/statistics in ecology or use and development of economics for ecology & development or inter-disciplinary nature of applications for Ecology & Development. International Journal of Ecology and Development is published three issues in a year in Winter, Summer and Fall.