Identification of the Daphnia species (Crustacea: Cladocera) in the lakes of the Ob and Yenisei River basins: morphological and molecular phylogenetic approaches

Zuykova, Elena I.; Bochkarev, N. A.; Katokhin, Alexey V.

doi:10.1007/s10750-012-1423-3

Cited by 26 publications

(17 citation statements)

References 42 publications

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“…Instead we observed different changes of ‘shape’ in each population. We suggest that the morphological trait ‘shape’ is phenotypically plastic due to high clonal variation, which is consistent with the results reported by Dlouhá et al (2010) and Zuykova, Bochkarev & Katokhin (2012) . The difference between experimental rounds for ‘shape’ could be attributed to this observed high clonal variation which we observed in all life history traits as well.…”

Section: Discussionsupporting

confidence: 92%

Intraspecific phenotypic variation in life history traits ofDaphnia galeatapopulations in response to fish kairomones

Tams¹,

Lüneburg²,

Seddar³

et al. 2018

PeerJ

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Phenotypic plasticity is the ability of a genotype to produce different phenotypes depending on the environment. It has an influence on the adaptive potential to environmental change and the capability to adapt locally. Adaptation to environmental change happens at the population level, thereby contributing to genotypic and phenotypic variation within a species. Predation is an important ecological factor structuring communities and maintaining species diversity. Prey developed different strategies to reduce their vulnerability to predators by changing their behaviour, their morphology or their life history. Predator-induced life history responses in Daphnia have been investigated for decades, but intra-and inter-population variability was rarely addressed explicitly. We addressed this issue by conducting a common garden experiment with 24 clonal lines of European Daphnia galeata originating from four populations, each represented by six clonal lines. We recorded life history traits in the absence and presence of fish kairomones. Additionally, we looked at the shape of experimental individuals by conducting a geometric morphometric analysis, thus assessing predator-induced morphometric changes. Our data revealed high intraspecific phenotypic variation within and between four D. galeata populations, the potential to locally adapt to a vertebrate predator regime as well as an effect of the fish kairomones on morphology of D. galeata.

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Section: Discussionsupporting

confidence: 92%

Intraspecific phenotypic variation in life history traits ofDaphnia galeatapopulations in response to fish kairomones

Tams¹,

Lüneburg²,

Seddar³

et al. 2018

PeerJ

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“…The Eastern Siberian-Nearctic connection has been detected in previous genetic studies in other cladocerans [7, 78–80], but Eastern Siberia is still poorly represented. Thus far, only Daphnia of this region is just beginning to be studied with the use of molecular markers [87–88]. …”

Section: Discussionmentioning

confidence: 99%

Phylogeography of the Chydorus sphaericus Group (Cladocera: Chydoridae) in the Northern Palearctic

et al. 2016

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The biodiversity and the biogeography are still poorly understood for freshwater invertebrates. The crustacean Chydorus sphaericus-brevilabris complex (Cladocera: Chydoridae) is composed of species that are important components of Holarctic freshwater food webs. Recent morphological and genetic study of the complex has indicated a substantial species diversity in the northern hemisphere. However, we know little of the geographic boundaries of these novel lineages. Moreover, a large section of the Palearctic remains unexamined at the genetic level. Here we attempt to address the biodiversity knowledge gap for the Chydorus sphaericus group in the central Palearctic and assess its diversity and biogeographic boundaries. We sequenced nuclear (ITS-2) and mitochondrial (COI) gene regions of Chydorus specimens across the Palearctic and compared them with already available Holarctic sequences. We detected six main clades in the C. sphaericus group in the Palearctic, of which two of the groups are novel. Three of the more divergent clades are geographically widespread. The central portion of Eurasia (the Yenisey River basin) appears to be a narrow zone of secondary contact for phylogroups that expanded from European and Beringian refugia. As such, the previously unsampled central Palearctic represents an important region for understanding the evolutionary consequences of Pleistocene climatic oscillations on the Chydorus sphaericus group.

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“…Most previous phylogeographic studies of cladocerans concentrated on North America [ 1 ] and Europe [ 14 – 16 ]. More recently, several studies on the Asian regions were published [ 17 – 20 ]. However, North-Eastern Eurasia is still strongly underrepresented, even in studies that otherwise cover a large geographic region [ 21 – 28 ].…”

Section: Introductionmentioning

confidence: 99%

Phylogeography of Daphnia magna Straus (Crustacea: Cladocera) in Northern Eurasia: Evidence for a deep longitudinal split between mitochondrial lineages

et al. 2018

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Species with a large geographic distributions present a challenge for phylogeographic studies due to logistic difficulties of obtaining adequate sampling. For instance, in most species with a Holarctic distribution, the majority of studies has concentrated on the European or North American part of the distribution, with the Eastern Palearctic region being notably understudied. Here, we study the phylogeography of the freshwater cladoceran Daphnia magna Straus, 1820 (Crustacea: Cladocera), based on partial mitochondrial COI sequences and using specimens from populations spread longitudinally from westernmost Europe to easternmost Asia, with many samples from previously strongly understudied regions in Siberia and Eastern Asia. The results confirm the previously suspected deep split between Eastern and Western mitochondrial haplotype super-clades. We find a narrow contact zone between these two super-clades in the eastern part of Western Siberia, with proven co-occurrence in a single lake in the Novosibirsk region. However, at present there is no evidence suggesting that the two mitochondrial super-clades represent cryptic species. Rather, they may be explained by secondary contact after expansion from different refugia. Interestingly, Central Siberia has previously been found to be an important contact zone also in other cladoceran species, and may thus be a crucial area for understanding the Eurasian phylogeography of freshwater invertebrates. Together, our study provides an unprecedented complete, while still not global, picture of the phylogeography of this important model species.

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Identification of the Daphnia species (Crustacea: Cladocera) in the lakes of the Ob and Yenisei River basins: morphological and molecular phylogenetic approaches

Cited by 26 publications

References 42 publications

Intraspecific phenotypic variation in life history traits ofDaphnia galeatapopulations in response to fish kairomones

Intraspecific phenotypic variation in life history traits ofDaphnia galeatapopulations in response to fish kairomones

Phylogeography of the Chydorus sphaericus Group (Cladocera: Chydoridae) in the Northern Palearctic

Phylogeography of Daphnia magna Straus (Crustacea: Cladocera) in Northern Eurasia: Evidence for a deep longitudinal split between mitochondrial lineages

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