Diversification of low dispersal crustaceans through mountain uplift: a case study of<i>Gammarus</i>(Amphipoda: Gammaridae) with descriptions of four novel species

Hou, Zhonge; Li, Junbo; Li, Shuqiang

doi:10.1111/zoj.12119

Cited by 29 publications

(42 citation statements)

References 28 publications

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“…Orogenic processes are known to reshape the hydrological networks and to create barriers for dispersal, which promotes diversification of freshwater organisms (summarized by Luebert & Muller ), including gammarids (Hou et al . ). The major uplift of Hellenides at ca.…”

Section: Discussionmentioning

confidence: 97%

The legacy of a vanished sea: a high level of diversification within a European freshwater amphipod species complex driven by 15 My of Paratethys regression

et al. 2016

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The formation of continental Europe in the Neogene was due to the regression of the Tethys Ocean and of the Paratethys Sea. The dynamic geology of the area and repetitious transitions between marine and freshwater conditions presented opportunities for the colonization of newly emerging hydrological networks and diversification of aquatic biota. Implementing mitochondrial and nuclear markers in conjunction with a large-scale sampling strategy, we investigated the impact of this spatiotemporal framework on the evolutionary history of a freshwater crustacean morphospecies. The Gammarus balcanicus species complex is widely distributed in the area previously occupied by the Paratethys Sea. Our results revealed its high diversification and polyphyly in relation to a number of other morphospecies. The distribution of the studied amphipod is generally characterized by very high local endemism and divergence. The Bayesian time-calibrated reconstruction of phylogeny and geographical distribution of ancestral nodes indicates that this species complex started to diversify in the Early Miocene in the central Balkans, partially in the shallow epicontinental sea. It is possible that there were several episodes of inland water colonization by local brackish water lineages. Subsequent diversification within clades and spread to new areas could have been induced by Alpine orogeny in the Miocene/Pliocene and, finally, by Pleistocene glaciations. The present distribution of clades, in many cases, still reflects Miocene palaeogeography of the area. Our results point out that investigations of the historical aspect of cryptic diversity in other taxa may help in a general understanding of the origins of freshwater invertebrate fauna of Europe.

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Section: Discussionmentioning

confidence: 97%

The legacy of a vanished sea: a high level of diversification within a European freshwater amphipod species complex driven by 15 My of Paratethys regression

et al. 2016

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“…As an alternative to the three independent calibration points, we also used the substitution rate of 0.0115 substitutions per site per million years as a calibration (Brower, ). This rate has been widely used in linking contemporary diversification patterns to historical processes in other amphipod phylogenetic studies (Copilaș‐Ciocianu & Petrusek, ; Grabowski, Mamos, Bazcela‐Spychalska, Rewicz, & Wattier, ; Hou, Li, & Li, ; Yang, Hou, & Li, ). We assumed a relaxed clock log normal for COI‐1 and COI‐2 dataset.…”

Section: Methodsmentioning

confidence: 99%

Eocene–Oligocene sea‐level fall drove amphipod habitat shift from marine to freshwater in the Far East

Liu

et al. 2020

Zoologica Scripta

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The Eocene–Oligocene sea‐level fall has been viewed as a primary driver of biological succession. We used Anisogammaridae living in both marine and freshwater habitats to test the hypothesis that Eocene–Oligocene sea‐level fall can explain the marine–freshwater habitat shift in the Far East. We obtained three mitochondrial and two nuclear fragments for 138 samples representing 31 species, covering marine and freshwater habitats from latitudes 24 to 50°N. The phylogenetic analyses revealed that freshwater Anisogammaridae is monophyletic. Divergence‐time estimation and ancestral range reconstruction indicate that the family originated from a marine habitat in the North Pacific region during the Eocene and separated between marine and freshwater lineages at 38 Ma. The freshwater lineage diversified at 27 Ma, and further diverged into lotic and lentic clades. Our results suggest that the Eocene–Oligocene sea‐level fall provided an opportunity for marine‐derived Anisogammaridae to shift to new freshwater habitats. The freshwater anisogammarids dispersed from north to south, resulting in the restriction of current marine species restricted to the latitudes 35–50°N and the range of freshwater species in latitudes 24–40°N. Deep divergences within the freshwater lineage were related to the separation of lotic and lentic environments and the opening of the Japan Sea.

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“…Freshwater amphipods (Crustacea: Amphipoda) are susceptible to genetic differentiation and isolation both because of their poor dispersal abilities and the patchy character of freshwater habitats (Barnard & Barnard ; Hou et al . ). They are a highly diverse group of benthic crustaceans in European inland waters, especially in the southeastern parts of the continent (Väinölä et al .…”

Section: Introductionmentioning

confidence: 97%

“…Because of their ubiquity, diversity and weak dispersal capabilities, freshwater Gammarus species can serve as a model for exploring the effects of historical factors on shaping present‐day distribution patterns (Hou et al . ).…”

Section: Introductionmentioning

confidence: 97%

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The southwestern Carpathians as an ancient centre of diversity of freshwater gammarid amphipods: insights from the Gammarus fossarum species complex

Copilaş‐Ciocianu

Petrusek

2015

Molecular Ecology

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Gammarus fossarum is a diverse species complex of epigean freshwater amphipods throughout Europe. Due to their poor dispersal capabilities and ubiquity, these crustaceans may serve as a model for investigating the influence of historical factors on the contemporary distribution and diversity patterns of freshwater macrozoobenthos. Here, we investigate the fine-scale phylogeographic structure of this complex across its range in the southwestern Carpathian Mountains, which comprises two areas that are geographically isolated from its main European distribution area as well as from each other. Given the Tertiary age of many freshwater Gammarus species, we hypothesize that the southwestern Carpathian populations reflect a relict distribution pattern. We used two mitochondrial and three nuclear markers from 32 localities to reconstruct phylogenetic relationships and estimate the timings of divergence among southwestern Carpathian and non-Carpathian lineages. Cryptic diversity was evaluated from mitochondrial markers by employing phylogenetic and distance-based methods. We distinguished at least 16 cryptic microendemic taxa, some of them coexisting, distributed in the southwestern Carpathians in a mosaic-like pattern. These lineages form a monophyletic group together with several lineages from southeastern Europe. Estimated divergence times indicate a Middle Miocene origin of this clade, with many deep splits dating back to more than 10 Ma. This time frame corresponds with a period of intense geological subsidence in the region that gave birth to the Pannonian Basin. We conclude that subsidence could have been an important driver of diversification in freshwater Gammarus and that the southwestern Carpathians represent an ancient centre of diversity for these crustaceans.

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Diversification of low dispersal crustaceans through mountain uplift: a case study ofGammarus(Amphipoda: Gammaridae) with descriptions of four novel species

Cited by 29 publications

References 28 publications

The legacy of a vanished sea: a high level of diversification within a European freshwater amphipod species complex driven by 15 My of Paratethys regression

The legacy of a vanished sea: a high level of diversification within a European freshwater amphipod species complex driven by 15 My of Paratethys regression

Eocene–Oligocene sea‐level fall drove amphipod habitat shift from marine to freshwater in the Far East

The southwestern Carpathians as an ancient centre of diversity of freshwater gammarid amphipods: insights from the Gammarus fossarum species complex

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