Invasion Dynamics of the Alien Amphibian Xenopus laevis in France: Perspectives for Management

IF 2.5 3区 环境科学与生态学 Q3 ENVIRONMENTAL SCIENCES Aquatic Conservation-Marine and Freshwater Ecosystems Pub Date : 2024-10-29 DOI:10.1002/aqc.70000
Alain Pagano, Clément Harmange, Mariastella Rappoccio, Tatiana Colchen, Gabriel Combet, Philippe Chouteau, Damien Picard, Eléonore Moreau, Marco Bartoli, Olivier Pays
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Abstract

Background

Invasive alien species (IAS) are recognised as pervasive drivers of global environmental change and pose significant threats to socio-ecosystems worldwide. Although much attention is focused on prevalent IAS, the oversight of species that are still contained and approaching critical invasion thresholds raises concern. In this context, scientific support to implement effective and spatially informed management strategies is critically needed.

Aims

Our study focuses on the African clawed frog, Xenopus laevis, a concerning IAS projected to undergo a substantial expansion in Europe.

Materials & Methods

Using a comprehensive analysis of three distinct datasets, our study aimed to document newly colonised sites and provide an up-to-date overview of the current distribution and invasion dynamics of X. laevis in France.

Results

Our results revealed recent colonisation of new sites within the established range of the species and the continuous progression of the invasion front at a rate of 1.2 km per year. This annual progression currently translates to an expansion of approximately 400 km2 per year in the predicted distribution range of the species.

Discussion

Emphasising the urgent need for proactive management, we recommend measures encompassing prevention, early detection and rapid responses to invasion, delineated across three strategic zoning levels.

Conclusion

Immediate and coordinated efforts are imperative to anticipate and mitigate the considerable socio-environmental impacts associated with this species in the future.

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外来两栖动物 Xenopus laevis 在法国的入侵动态:管理前景
背景外来入侵物种(IAS)被认为是全球环境变化的普遍驱动因素,对全世界的社会生态系统构成重大威胁。尽管人们的注意力主要集中在普遍存在的外来入侵物种上,但对仍被控制并接近临界入侵阈值的物种的监督也引起了人们的关注。在这种情况下,亟需科学支持来实施有效的空间管理策略。 目的 我们的研究重点是非洲爪蛙(Xenopus laevis),它是一种令人担忧的 IAS,预计将在欧洲大幅扩展。 材料与amp; 方法 通过对三个不同数据集的综合分析,我们的研究旨在记录新的定殖地点,并提供关于非洲爪蛙目前在法国的分布和入侵动态的最新概览。 结果 我们的研究结果表明,在该物种的既定分布范围内,最近又出现了新的定殖地点,并且入侵前线以每年 1.2 公里的速度持续发展。目前,这种年增长率意味着该物种的预测分布范围每年扩大约 400 平方公里。 讨论 我们强调迫切需要积极主动的管理,建议采取包括预防、早期发现和快速应对入侵的措施,并划定了三个战略分区级别。 结论 必须立即采取协调一致的努力,以预测和减轻该物种未来对社会环境造成的巨大影响。
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来源期刊
Aquatic Conservation-Marine and Freshwater Ecosystems
Aquatic Conservation-Marine and Freshwater Ecosystems 环境科学-海洋与淡水生物学
CiteScore
5.50
自引率
4.20%
发文量
143
审稿时长
18-36 weeks
期刊介绍: Aquatic Conservation: Marine and Freshwater Ecosystems is an international journal dedicated to publishing original papers that relate specifically to freshwater, brackish or marine habitats and encouraging work that spans these ecosystems. This journal provides a forum in which all aspects of the conservation of aquatic biological resources can be presented and discussed, enabling greater cooperation and efficiency in solving problems in aquatic resource conservation.
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