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A rapid rate of sex-chromosome turnover and non-random transitions in true frogs
A very high rate of sex chromosome turnover in true frogs is shown, which may be driven by rapid mutation-load accumulation due to the low recombination rate in males, suggesting a key role for mutation- load accumulation in non-recombining genomic regions.
Cryptic diversity among Western Palearctic tree frogs: postglacial range expansion, range limits, and secondary contacts of three European tree frog lineages (Hyla arborea group).
Introduced bullfrogs are associated with increased Batrachochytrium dendrobatidis prevalence and reduced occurrence of Korean treefrogs
The presence of L. catesbeianus can now be added to the list of factors responsible for the decline of D. suweonensis populations, and the endangered Dryophytes suwe onensis displays a significantly higher Bd prevalence than the more abundant D. japonicus.
Efficient isolation method for high‐quality genomic DNA from cicada exuviae
Genomic DNA extracted from cicada exuviae could provide valuable information for species identification, allowing the investigation of genetic diversity across consecutive broods, or spatiotemporal variation among various populations.
Sex-Chromosome Homomorphy in Palearctic Tree Frogs Results from Both Turnovers and X-Y Recombination.
Sibship analyses show that LG1 recombination is strongly reduced in males from most species investigated, including some in which it is autosomal, and these patterns argue against one of the main potential causes for turnovers, namely the accumulation of deleterious mutations on nonrecombining chromosomes.
Temporal and spatial differentiation in microhabitat use: Implications for reproductive isolation and ecological niche specification.
Detailed tracking of male movement patterns of both treefrog species revealed spatial and temporal differentiation in microhabitat use for calling and resting during the breeding season, which likely minimize contact between the species and provide an additional isolating mechanism.
Phylogeography reveals an ancient cryptic radiation in East-Asian tree frogs (Hyla japonica group) and complex relationships between continental and island lineages
- C. Dufresnes, S. Litvinchuk, M. Stöck
- Biology, Environmental ScienceBMC Evolutionary Biology
- 23 November 2016
Patterns of divergence and diversity were likely triggered by Miocene tectonic activities and Quaternary climatic fluctuations, causing the formation and disappearance of land-bridges between the Japanese islands and the continent, and urge for important taxonomic revisions in East-Asian tree frogs.
Impact of land reclamation and agricultural water regime on the distribution and conservation status of the endangered Dryophytes suweonensis
A 120 km increase in the southernmost known distribution of the Suweon Treefrog and the absence of the species at lower latitudes are described, and a putative constriction on the species ancestral range due to urban encroachment is demonstrated.
Asymmetric competition over calling sites in two closely related treefrog species
- Amaël Borzée, Jun Young Kim, Y. Jang
- Environmental Science, BiologyScientific reports
- 7 September 2016
The hypothesis that two sympatric treefrog species, the endangered Hyla suweonensis and the abundant H. japonica, compete with each other over calling sites is tested and the results are consistent with asymmetric interspecific competition.
Population trend inferred from aural surveys for calling anurans in Korea
The population size was found to be decreasing between 2015 and 2017, with a significant decrease in the number of calling individuals at specific sites, and high rate of encroachment was the principal explanatory factor behind these marked negative peaks in population dynamics.