Demographic and Morphometric Characteristics of the Moor Frog Rana arvalis from a Transformed Habitat in the Khanty-Mansi Autonomous Region—Yugra

Ibragimova, D. V.; Lyapkov, S. M.

doi:10.1134/s1062359018080046

Cited by 2 publications

(1 citation statement)

References 7 publications

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“…This species lives in a wide variety of natural and anthropogenic biotopes. It is found in various types of forests, swamps, meadows, and pastures, in ravines, near streams and rivers, and it inhabits rural areas and suburban parks [24][25][26][27]. The moor frog is resistant to freezing, which is the reason for its wide distribution [28].…”

Section: Introductionmentioning

confidence: 99%

An Overview of the Helminths of Moor Frog Rana arvalis Nilsson, 1842 (Amphibia: Anura) in the Volga Basin

Chikhlyaev

Ruchin

2021

Diversity

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This is the first review of the helminth fauna of the moor frog Rana arvalis Nilsson, 1842 from the Volga river basin (Russia). The article summarizes the authors’ and literature data on the helminthic fauna of this species. The method of complete helminthological dissection was used. Thirthy-eight helminth species were recorded from three classes: Cestoda (1), Trematoda (28), and Chromadorea (9). Nine helminth species are new to the moor frog in Russia: trematodes Gorgodera varsoviensis Sinitzin, 1905, Strigea falconis Szidat, 1928, larvae, Neodiplostomum spathoides Dubois, 1937, larvae, Tylodelphys excavata (Rudolphi, 1803), larvae, Pharyngostomum cordatum (Diesing, 1850), larvae, Astiotrema monticelli Stossich, 1904, larvae and Encyclometra colubrimurorum (Rudolphi, 1819), larvae, nematodes Strongyloides spiralis Grabda-Kazubska, 1978 and Icosiella neglecta (Diesing, 1851). The cestode Spirometra erinacei (Rudolphi, 1918), larvae were observed of this amphibian species in the Volga basin for the first time. The nematodes Rhabdias bufonis, Oswaldocruzia filiformis, Cosmocerca ornata and the trematode Haplometra cylindracea form the core of the helminth fauna of the moor frog. Information on species of helminths includes systematic position, localization, areas of detection, type and scheme of life cycle, geographical distribution, and degree of specificity to host amphibians.

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Section: Introductionmentioning

confidence: 99%

An Overview of the Helminths of Moor Frog Rana arvalis Nilsson, 1842 (Amphibia: Anura) in the Volga Basin

Chikhlyaev

Ruchin

2021

Diversity

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The Age Composition and Postmetamorphic Growth Characteristics of the Moor Frog (Rana arvalis) from Habitats with a Short Activity Season

Lyapkov

Ibragimova

Наконечный

2022

Biol Bull Russ Acad Sci

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The between-population and sexual differences in demographic and postmetamorphic growth characteristics were studied in Rana arvalis from several habitats of Khanty-Mansiiskii Autonomous Okrug–Yugra (KhMAO) with a relatively short (about 3.5 months) activity season. Skeletochronology was used for age determination. The annual size increments and the rates of these increments were determined on the base of back-calculated body length at each age. In three of four populations, a higher average age in females but not significant sexual differences in the average body length were revealed. In both males and females of all studied KhMAO populations, the rate of the annual size increment between the 1st and 2nd wintering was maximal. The rate of the annual size increment between the 2nd and 3rd wintering was kept relatively high. In comparison with R. arvalis populations of Bryansk, Moscow, and Kirov oblasts with a longer activity season (seven, six, and five months, respectively), frogs from KhMAO populations had a relatively small average body length at each age and low population averages of the body length. At the same time, the character of between-age dynamics in the rate of the size increments of KhMAO populations enabled us to reveal the effects of counter-gradient selection not yet mentioned in the literature. These effects represent the maintenance of a relatively high rate of annual increments up to the 5th wintering in R. arvalis from KhMAO populations with a short activity season.

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Demographic and Morphometric Characteristics of the Moor Frog Rana arvalis from a Transformed Habitat in the Khanty-Mansi Autonomous Region—Yugra

Cited by 2 publications

References 7 publications

An Overview of the Helminths of Moor Frog Rana arvalis Nilsson, 1842 (Amphibia: Anura) in the Volga Basin

An Overview of the Helminths of Moor Frog Rana arvalis Nilsson, 1842 (Amphibia: Anura) in the Volga Basin

The Age Composition and Postmetamorphic Growth Characteristics of the Moor Frog (Rana arvalis) from Habitats with a Short Activity Season

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