Contrasting phylogeographic patterns of earthworms (Crassiclitellata, Lumbricidae) on near-shore mediterranean islands

Marchán, Daniel F.; Hedde, Mickaël; Lapied, Emmanuel; Maggia, Marie-Eugénie; Novo, Marta; Domínguez, Jorge; Decaëns, Thibaud

doi:10.1016/j.ejsobi.2020.103242

Cited by 8 publications

(7 citation statements)

References 54 publications

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“…Caterino et al, 2015; Hofman et al, 2016), as well as other near‐shore island systems (e.g. Marchán et al, 2020). Zamudio et al (2016) and others (e.g.…”

Section: Discussionmentioning

confidence: 99%

“…Furthermore, island systems represent some of the more threatened ecosystems globally. Describing patterns of biological diversity on islands and considering the role of recent, historic and ancient human activities in island systems can lead to important insights about island biodiversity and colonization dynamics, as well as inform conservation efforts (Ficetola & Padoa‐Schioppa, 2009; Helmus et al, 2014; Marchán et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

“…Similar results have been found in other Channel Island studies (e.g Caterino et al, 2015;Hofman et al, 2016),. as well as other near-shore island systems (e.g Marchán et al, 2020)Zamudio et al (2016).…”

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confidence: 99%

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Near‐shore island lizard fauna shaped by a combination of human‐mediated and natural dispersal

Salerno

Chan

Pauly

et al. 2022

Journal of Biogeography

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Aim Island biotas provide opportunities to study colonization and adaptation to novel environments. Islands, especially near‐shore islands, may have a long record of human habitation such that some lineages result from human‐assisted introductions. Here, we combine phylogenetic analyses with fossil data and historical specimen records to reconstruct colonization histories, characterize among‐island divergence and assess the role of humans in shaping the evolutionary history of lizards inhabiting a near‐shore island archipelago. Location Channel Islands and adjacent mainland of California, United States. Taxa Western fence lizard (Sceloporus occidentalis), southern alligator lizard (Elgaria multicarinata), common side‐blotched lizard (Uta stansburiana). Methods We sequenced mitochondrial DNA (ND1, cyt‐b) from each of three lizard species, covering their entire island distributions plus the adjacent mainland. For each, we estimated diversity within and among each island, obtained maximum likelihood bootstrapped phylogenies, constructed haplotype networks and tested for population expansion. We used museum specimen records and microfossil evidence to infer colonization scenarios. Results Sceloporus occidentalis is characterized by a single island‐colonization event, and exhibits the deepest divergences from mainland relatives and the highest among‐island divergence. Elgaria multicarinata and Uta stansburiana each have at least three distinct colonization events, with fossil and historical data indicating that some of these occurred after humans arrived to the islands. Main Conclusions The evolution of Channel Island lineages for two lizard taxa has been mediated by ancient and contemporary anthropogenic activity, while the evolution of the third is shaped by natural dispersal and vicariance caused by sea‐level rise. Genetic divergence corroborates the treatment of S. occidentalis as an endemic island species, Sceloporus becki. The unique histories of these three taxa are synthesized with other Channel Island lineages highlighting that taxa inhabiting islands with long histories of human activity should be carefully studied to assess the role of people in facilitating colonization and subsequent gene flow.

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“…Caterino et al, 2015; Hofman et al, 2016), as well as other near‐shore island systems (e.g. Marchán et al, 2020). Zamudio et al (2016) and others (e.g.…”

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Near‐shore island lizard fauna shaped by a combination of human‐mediated and natural dispersal

Salerno

Chan

Pauly

et al. 2022

Journal of Biogeography

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“…However, in all three groups, there are matching records from outside the Scandinavian Peninsula, but without any apparent pattern. In a phylogeographical study of the earthworms of the French Mediterranean Hyères archipelago Marchán et al (2020) discovered two different patterns, one of local in situ divergence during the Plio-Pleistocene (~5 mya to 12 kya), with clades restricted to the archipelago, and one characterised by the lack of geographical structure, and with the clades represented in the archipelago having a wide distribution. The latter pattern is consistent with human-mediated introduction.…”

Section: Discussionmentioning

confidence: 99%

Distribution and genetic diversity of two earthworms, Helodrilus oculatus and Satchellius mammalis (Clitellata: Lumbricidae) in Scandinavia

2021

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We report on the Scandinavian distribution of two earthworm species, Helodrilus oculatus and Satchellius mammalis. Both appear relatively new to the Scandinavian Peninsula, as they were not included in the monographic revisions of the earthworm fauna of Sweden and Norway in the mid-1900s. We provide recent records of both species from Norway and Sweden, H. oculatus also from Denmark, and haplotype networks of four markers (COI, 16S, H3, and ITS2) are used to visualise the genetic diversity within each species. There is moderate genetic variation in COI for both taxa, and for H. oculatus, there is a West-East division between the specimens from Norway, Gothenburg (western Sweden) and Bavaria (Germany), and the ones from eastern Sweden and the Bornholm island (easternmost Denmark). This could potentially be explained by different origin and colonisation routes. In the other markers the variation is limited, and in the nuclear genes no pattern to support this split is seen. We also analyse the phylogenetic positions of H. oculatus and S. mammalis in the family Lumbricidae by combining our data (including also some12S, 18S and 28S sequences) with a published dataset. We conclude that neither Helodrilus nor Satchellius are monophyletic. Helodrilus oculatus (type species of Helodrilus), however, forms a clade with some of its current congeners.

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“…COI barcodes have a high potential for phylogeographic analyses, in which a wide representation of individuals from different populations are required to infer genetic diversity and dispersion patterns (Figure 1). Application of the technique to whole earthworm communities has enabled comparative phylogeographic studies [17], in an approach which could help to decipher the different dispersal and colonization patterns of earthworms and their potential relationships with functional traits, geological history, and anthropogenic influence.…”

Section: Molecular Phylogenetics Techniquesmentioning

confidence: 99%

Perspectives in Earthworm Molecular Phylogeny: Recent Advances in Lumbricoidea and Standing Questions

et al. 2022

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Earthworm systematics have been limited by the small number of taxonomically informative morphological characters and high levels of homoplasy in this group. However, molecular phylogenetic techniques have yielded significant improvements in earthworm taxonomy in the last 15 years. Several different approaches based on the use of different molecular markers, sequencing techniques, and compromises between specimen/taxon coverage and phylogenetic information have recently emerged (DNA barcoding, multigene phylogenetics, mitochondrial genome analysis, transcriptome analysis, targeted enrichment methods, and reduced representation techniques), providing solutions to different evolutionary questions regarding European earthworms. Molecular phylogenetics have led to significant advances being made in Lumbricidae systematics, such as the redefinition or discovery of new genera (Galiciandrilus, Compostelandrilus, Vindoboscolex, Castellodrilus), delimitation and revision of previously existing genera (Kritodrilus, Eophila, Zophoscolex, Bimastos), and changes to the status of subspecific taxa (such as the Allolobophorachaetophora complex). These approaches have enabled the identification of problems that can be resolved by molecular phylogenetics, including the revision of Aporrectodea, Allolobophora, Helodrilus, and Dendrobaena, as well as the examination of small taxa such as Perelia, Eumenescolex, and Iberoscolex. Similar advances have been made with the family Hormogastridae, in which integrative systematics have contributed to the description of several new species, including the delimitation of (formerly) cryptic species. At the family level, integrative systematics have provided a new genus system that better reflects the diversity and biogeography of these earthworms, and phylogenetic comparative methods provide insight into earthworm macroevolution. Despite these achievements, further research should be performed on the Tyrrhenian cryptic complexes, which are of special eco-evolutionary interest. These examples highlight the potential value of applying molecular phylogenetic techniques to other earthworm families, which are very diverse and occupy different terrestrial habitats across the world. The systematic implementation of such approaches should be encouraged among the different expert groups worldwide, with emphasis on collaboration and cooperation.

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Contrasting phylogeographic patterns of earthworms (Crassiclitellata, Lumbricidae) on near-shore mediterranean islands

Cited by 8 publications

References 54 publications

Near‐shore island lizard fauna shaped by a combination of human‐mediated and natural dispersal

Near‐shore island lizard fauna shaped by a combination of human‐mediated and natural dispersal

Distribution and genetic diversity of two earthworms, Helodrilus oculatus and Satchellius mammalis (Clitellata: Lumbricidae) in Scandinavia

Perspectives in Earthworm Molecular Phylogeny: Recent Advances in Lumbricoidea and Standing Questions

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