Ecological and syntaxonomical characteristics of early spring therophytic ephemeral grasslands (alliance Romuleion) in the northeastern Mediterranean

Plant Biosystems - An International Journal Dealing with all Aspects of Plant Biology Pub Date : 2023-01-09 DOI:10.1080/11263504.2023.2165570

Milica Stanišić-Vujačić, D. Stešević, S. Hadžiablahović, U. Šilc

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Abstract

Abstract Our study deals with dry grasslands dominated by Romulea bulbocodium, Romulea linaresii subsp. graeca and Romulea columnae that develop in early spring in the eastern Mediterranean region. Based on numerical classification, we describe two new associations: Romuleo bulbocodii-Poetum bulbosae ass. nova and Ornithogalo exscapii-Poetum bulbosae ass. nova. The studied communities are classified within the Romuleion alliance, order Poetalia bulbosae, and class Poetea bulbosae. We analyzed all available relevés of Romuleion communities from the eastern Mediterranean and ordination analysis (NMDS) revealed that temperature and altitude are the most important ecological factors influencing the vegetation composition and distribution of dry grasslands of the Romuleion alliance. Newly described associations from Montenegro are floristically and ecologically similar to the Alyssum alyssoides-Poa bulbosa community from Epirus (Greece).

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地中海东北部早春热生短命草地的生态和分类特征

摘要本研究以球茎Romulea bulbocodium、linaresii subsp. Romulea linaresii为主的干草地为研究对象。在地中海东部地区早春生长的一种植物。基于数值分类，我们描述了两个新的类群:Romuleo bulbocodii-Poetum bulbosae ass. nova和Ornithogalo exscapii-Poetum bulbosae ass. nova。所研究的群落被划分为Romuleion联盟，Poetalia bulbosae目和Poetea bulbosae纲。通过对东地中海地区Romuleion群落的相关数据分析，发现温度和海拔是影响Romuleion联盟干草地植被组成和分布的最重要的生态因子。来自黑山的新描述的社团在植物区系和生态学上与来自伊庇鲁斯(希腊)的Alyssum alyssoides-Poa bulbosa群落相似。

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Plant Biosystems - An International Journal Dealing with all Aspects of Plant Biology

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