Phylogeographic parallelism: Concordant patterns in closely related species illuminate underlying mechanisms in the historically glaciated Tasmanian landscape

Kreger, Kaely; Shaban, Babak; Wapstra, Erik; Burridge, Christopher P.

doi:10.1111/jbi.13831

Cited by 6 publications

(6 citation statements)

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“…At the same time, comparative phylogeographic approaches among closely related and ecologically similar species should be more sensitive to reflect shared processes ('phylogeographic parallelism') [110] and to point out the factors underlying discordant phylogeographic patterns, since the analysis is less biased by major biological differences of the taxa [111]. We know of no previous studies on comparative phylogeography of copepods.…”

Section: Comparative Phylogeographymentioning

confidence: 99%

“…We know of no previous studies on comparative phylogeography of copepods. But a study of two closely related species of metallic show skink in Tasmania [111] demonstrated remarkably similar phylogeographic patterns suggesting that these species responded similarly to Plio-Pleistocene climate cycling, and that glacial cold and aridity forced them into similar lowland refugial regions throughout the area. Likewise, comparison of phylogeographic patterns of 12 species from desert-dwelling fauna in the Mojave and Sonoran deserts identified six hotspots of high genetic divergence and diversity and suggested that most of the species diversified into distinct lineages prior to Pleistocene climatic changes [31].…”

Section: Comparative Phylogeographymentioning

confidence: 99%

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Patterns of Cryptic Diversity and Phylogeography in Four Freshwater Copepod Crustaceans in European Lakes

et al. 2021

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Comparative phylogeography has become a powerful approach in exploring hidden or cryptic diversity within widespread species and understanding how historical and biogeographical factors shape the modern patterns of their distribution. Most comparative phylogeographic studies so far focus on terrestrial and vertebrate taxa, while aquatic invertebrates (and especially freshwater invertebrates) remain unstudied. In this article, we explore and compare the patterns of molecular diversity and phylogeographic structure of four widespread freshwater copepod crustaceans in European water bodies: the harpacticoids Attheyella crassa, Canthocamptus staphylinus and Nitokra hibernica, and the cyclopoid Eucyclops serrulatus, using sequence data from mtDNA COI and nuclear ITS/18S rRNA genes. The three taxa A. crassa, C. staphylinus and E. serrulatus each consist of deeply diverged clusters and are deemed to represent complexes of species with largely (but not completely) non-overlapping distributions, while in N. hibernica only little differentiation was found, which may however reflect the geographically more restricted sampling. However, the geographical patterns of subdivision differ. The divisions in A. crassa and E. serrulatus follow an east–west pattern in Northern Europe whereas that in C. staphylinus has more of a north–south pattern, with a distinct Fennoscandian clade. The deep mitochondrial splits among populations of A. crassa, C. staphylinus and E. serrulatus (model-corrected distances 26–36%) suggest that divergence of the lineages predate the Pleistocene glaciations. This study provides an insight into cryptic diversity and biogeographic distribution of freshwater copepods.

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Section: Comparative Phylogeographymentioning

confidence: 99%

Section: Comparative Phylogeographymentioning

confidence: 99%

Patterns of Cryptic Diversity and Phylogeography in Four Freshwater Copepod Crustaceans in European Lakes

et al. 2021

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“…We suggest that during the relatively cool conditions of the Pleistocene, the ancestral K. cognatus expanded its range to the south when the land bridge between the mainland and Tasmania was open (Lambeck and Chappell 2001) and a subsequent separation of Tasmania from the mainland led to allopatric speciation. The metallic snow skink (Carinscincus metallicus) provides a clear example of a land bridge distribution in which there are populations on the chain of Bass Strait islands between Tasmania's north-eastern cape and Victoria's Wilson's Promontory (McCoull 2000;Kreger et al 2020). We are not aware of Kosciuscola on Bass Strait islands but suggest that they could be important targets for future sampling.…”

Section: Kosciuscola Tasmanicusmentioning

confidence: 99%

Phylogenetics of the skyhoppers (

Umbers

Slatyer

Tatarnic

et al. 2021

Pacific Conserv. Biol.

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The true biodiversity of Australia’s alpine and subalpine endemics is unknown. Genetic studies to date have focused on sub-regions and restricted taxa, but even so, indicate deep divergences across small geographic scales and therefore that the bulk of biodiversity remains to be discovered. We aimed to study the phylogeography of the Australian Alps by focusing on the skyhoppers (Kosciuscola), a genus of five species of flightless grasshoppers whose combined distributions both span the region and are almost exclusively contained within it. Our sampling covered 650 km on the mainland and several sites in Tasmania with total of 260 specimens used to reconstruct a robust phylogeny of Koscisucola. Phylogenies were based on single nucleotide polymorphism data generated from double-digested restriction-associated DNA sequencing. Skyhoppers diverged around 2 million years ago and have since undergone complex diversification seemingly driven by climatic oscillations throughout the Pleistocene. We recovered not 5 but 14 clades indicating the presence of many unknown species. Our results support conspicuous geographic features as genetic breaks; e.g. the Murray Valley, and inconspicuous ones; e.g. between the Bogong High Plains and Mt Hotham. Climate change is progressing quickly in the region and its impact, particularly on snow, could have severe consequences for the skyhoppers’ overwinter survival. The true diversity of skyhoppers highlights that biodiversity loss in the Alps as a result of climate change is likely to be far greater than what can be estimated based on current species numbers and that management including small geographical scales is key.

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“…Multispecies phylogeographic analyses of co-distributed species can provide powerful tests of ecosystem-wide evolutionary processes driven by Earth history, e.g., [5,39]. Similarly, observations of ecologically similar and closely related species increase the confidence of association between pattern and process 'phylogeographic parallelism'; sensu Kreger et al [40]. Given that drainage evolution events can cause precise spatiotemporal disruption of freshwater connectivity, multispecies phylogeography of freshwater fishes should reveal shared evolutionary histories.…”

Section: River Vicariance Synchronises Population Divergence Across Multiple Speciesmentioning

confidence: 99%

River Capture and Freshwater Biological Evolution: A Review of Galaxiid Fish Vicariance

2020

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Geological processes can strongly affect the distribution and diversification of freshwater-limited species. In particular, a combination of geological and biological data has suggested that Earth history processes can drive vicariant isolation and speciation in non-migratory freshwater fishes. Here, we synthesise recently published geological and freshwater phylogeographic data to illustrate that changes in river drainage geometry are important drivers of galaxiid diversification, both in New Zealand and elsewhere. Major river capture events have led to the isolation and divergence of unique and geographically-restricted lineages, including taxa that are now of prime conservation concern. The parallel phylogeographic effects of drainage shifts have been verified by observations of concordant patterns in co-distributed species. Broadly, this study highlights the dynamic interplay between physical and biological processes in geologically active settings.

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Phylogeographic parallelism: Concordant patterns in closely related species illuminate underlying mechanisms in the historically glaciated Tasmanian landscape

Abstract: This is the author manuscript accepted for publication and has undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process, which may lead to differences between this version and the Version of Record. Please cite this article as

Cited by 6 publications

References 95 publications

Patterns of Cryptic Diversity and Phylogeography in Four Freshwater Copepod Crustaceans in European Lakes

Patterns of Cryptic Diversity and Phylogeography in Four Freshwater Copepod Crustaceans in European Lakes

Phylogenetics of the skyhoppers (

River Capture and Freshwater Biological Evolution: A Review of Galaxiid Fish Vicariance

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