The Siberian tree frog (Rana amurensis Bulenger, 1886) in Yakutia

Solomonova, T.N.; Седалищев, В Т; Однокурцев, В. А.

doi:10.1134/s1995425511010115

Cited by 6 publications

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“…The Siberian tree frog Rana amurensis Boulenger, 1886 is, on the con trary, relatively rare in Western Siberia in a restricted number of biotopes (Ravkin and Luk'yanova, 1976). Due to the low abundance of this species, its ecology has been described insufficiently (Solomonova et al, 2011). Data on the helminth infestation of R. arvalis in Western Siberia have been restricted to the southern regions (Zhigileva et al, 2002;Burakova, 2008) and the floodplain of the Ob River (Kuranova, 1988;Ibragimova, 2013).…”

Section: Introductionmentioning

confidence: 97%

Helminth infestation of the moor frog (Rana arvalis Nilsson, 1842) and the Siberian tree frog (Rana amurensis Boulenger, 1886) in Western Siberia

Zhigileva

Kirina

2015

Contemp. Probl. Ecol.

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The composition of helminths and infestation indices of two frog species of living in Western Sibe ria (Rana arvalis (n = 1082) and Rana amurensis (n = 33)) have been studied. Nine helminth species, includ ing four nematodes and five trematodes, have been found. The following species were dominant and infected both frog species: nematodes Rhabdias bufonis, Oswaldocruzia filiformis, and Cosmocerca ornata and trema todes Haplometra cylindracea. The moor frog also hosted Dolichosaccus rastellus, Opisthioglyphe ranae, Phar ingostomum cordatum (larvae), Parastrigea robusta (larvae), and Neyraplectana schneideri. The moor frog was characterized by higher species richness and diversity of helminths than the Siberian tree frog. The overall rates of helminth infestation have been the same in the moor frog and the Siberian tree frog. The invasion extensity was 85-100%; the index of abundance was 5.2-27.5. Differences in infestation rates of certain spe cies by helminths were due to the biological peculiarities of the frog species.

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Section: Introductionmentioning

confidence: 97%

Helminth infestation of the moor frog (Rana arvalis Nilsson, 1842) and the Siberian tree frog (Rana amurensis Boulenger, 1886) in Western Siberia

Zhigileva

Kirina

2015

Contemp. Probl. Ecol.

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Evolutionary history of secondary sexual characters in the most species-rich genus of anurans, the direct-developing frogs of the genusPristimantis(Anura: Strabomantidae)

García-Gómez,

Pereyra,

Cabra-García

et al. 2022

Biological Journal of the Linnean Society

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Ancestral character-state reconstruction is a powerful method in phylogenetics that can be applied to elucidate the evolutionary history of secondary sexual characters. Here, we surveyed the variation and reconstructed the ancestral states of secondary sexual characters (i.e. sexual dichromatism, vocal slits and nuptial pads) for the most species-rich genus of anurans (Pristimantis) using maximum parsimony, maximum-likelihood and Bayesian methods. This study demonstrates that at least five independent transformation series account for the occurrence of sexual dichromatism in Pristimantis: dorsum, throat, venter, groin and posterior surface of thighs. The ancestral reconstructions suggest that the most recent common ancestor of Pristimantis lacks sexual dichromatism on these five body areas. Likewise, the occurrence of vocal slits and the absence of nuptial pads were inferred as ancestral conditions. Morphological synapomorphies were identified for Yunganastes and two infrageneric units within Pristimantis (the Pristimantis devillei and Pristimantis unistrigatus species groups). Our results demonstrate that the evolutionary history of the secondary sexual characters in Pristimantis followed a rather complex pattern of multiple independent gains and losses for which this genus is a promising model to investigate the evolution of secondary sexual characters in the context of the complex interactions between natural and sexual selection.

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Age and body size of Rana amurensis from northeastern China

Chen

Lü

2011

Current Zoology

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Age and body size are two important demographic traits that determine the life history strategies of populations and species. We measured these two parameters of Rana amurensis, at a 900 m and a 500 m altitude site in northeastern China. At the two sites, age at first reproduction was 2 years for males and 3 years for females. The maximum age of males and females at the high-altitude site was 6 and 7 years, and 5 and 7 years at the low-altitude population, respectively. Females were significantly larger than males in both populations, due to greater age in both the highand low-altitude sites. Body size of either males or females did not differ significantly between populations; only males showed increased body size at the high-altitude site when age effect was statistically controlled for. The increased cline of male body size may be attributable to delayed maturation of the sex due to a shorter growing season at high altitudes.

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The Siberian tree frog (Rana amurensis Bulenger, 1886) in Yakutia

Cited by 6 publications

References 0 publications

Helminth infestation of the moor frog (Rana arvalis Nilsson, 1842) and the Siberian tree frog (Rana amurensis Boulenger, 1886) in Western Siberia

Helminth infestation of the moor frog (Rana arvalis Nilsson, 1842) and the Siberian tree frog (Rana amurensis Boulenger, 1886) in Western Siberia

Evolutionary history of secondary sexual characters in the most species-rich genus of anurans, the direct-developing frogs of the genusPristimantis(Anura: Strabomantidae)

Age and body size of Rana amurensis from northeastern China

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