Genetic diversity and conservation of the Madeira Island (Portugal) endemic Geranium maderense Yeo (Geraniaceae)

IF 2.5 3区环境科学与生态学 Q2 BIODIVERSITY CONSERVATION

Journal for Nature Conservation Pub Date : 2025-07-13 DOI:10.1016/j.jnc.2025.127010

M. Gouveia , B. Nyberg , C. Aedo , C. Bairos , M. Menezes de Sequeira

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引用次数: 0

Abstract

Geranium maderense is a perennial, monocarpic herb, up to 200 cm tall, producing very showy inflorescences, very rare in the wild, although cultivated throughout the world as an ornamental plant. G. maderense is protected under the EC habitats directive (Annex *B-II, IV) and Bern Convention (Annex I) only found, so far, in two cliff-associated sites, and classified as a Critically Endangered species (IUCN). Using unmanned aerial vehicle (UAV; drone) technology, two new populations were detected, and a new distribution map is presented. Inter-simple sequence repeat markers were used to detect genetic diversity in natural populations and garden grown plants. Genetic diversity estimates revealed retention of genetic variation and weak genetic structure in G. maderense populations. Cluster and principal component analyses formed coherent groups, indicating that genetic diversity in the studied wild populations of G. maderense is heterogeneously distributed. Our results provide crucial information for the preservation of natural populations of G. maderense, and allow for the revaluation, following IUCN criteria as Endangered (EN).

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葡萄牙马德拉岛特有天竺葵（Geranium maderense Yeo）遗传多样性及保护

天竺葵（Geranium maderense）是一种多年生的单果草本植物，可达200厘米高，花序非常艳丽，在野生中非常罕见，虽然作为观赏植物在世界各地种植。G. maderense受欧盟栖息地指令（附件*B-II， IV）和伯尔尼公约（附件I）保护，迄今为止，只在两个与悬崖有关的地点发现，并被列为极度濒危物种（IUCN）。使用无人驾驶飞行器（UAV）；无人机技术，发现了两个新的种群，并给出了一个新的分布图。简单序列重复标记用于自然种群和园林植物的遗传多样性检测。遗传多样性分析表明，大叶茅居群存在遗传变异，遗传结构较弱。聚类分析和主成分分析形成了一致的类群，表明所研究的马德龙野生居群的遗传多样性具有异质性。我们的研究结果为马德龙自然种群的保护提供了重要的信息，并允许按照IUCN的标准重新评估为濒危物种。

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来源期刊

Journal for Nature Conservation 环境科学-生态学

CiteScore

3.70

自引率

5.00%

发文量

151

审稿时长

7.9 weeks

期刊介绍： The Journal for Nature Conservation addresses concepts, methods and techniques for nature conservation. This international and interdisciplinary journal encourages collaboration between scientists and practitioners, including the integration of biodiversity issues with social and economic concepts. Therefore, conceptual, technical and methodological papers, as well as reviews, research papers, and short communications are welcomed from a wide range of disciplines, including theoretical ecology, landscape ecology, restoration ecology, ecological modelling, and others, provided that there is a clear connection and immediate relevance to nature conservation. Manuscripts without any immediate conservation context, such as inventories, distribution modelling, genetic studies, animal behaviour, plant physiology, will not be considered for this journal; though such data may be useful for conservationists and managers in the future, this is outside of the current scope of the journal.