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Abstract <p>A revision of the species richness was conducted for the four vertebrate classes (mammals, birds, reptiles, and amphibians) within the territory of Russia. The regional-level biome was set as the territorial unit. An increase in species richness southwards is characteristic for all classes, with specific differences for each class reflected on originally developed maps. The zones of high diversity partially overlap; however, the biomes with the maximum values do not coincide. For mammals, these are the Black Sea–Ciscaucasian (113&#xa0;species) and the Zavolzhskii–Kulunda (114 species) steppe biomes. For birds, these are the Sayan–Southern Transbaikal (262 species) and the Altai–Sayan (275 species) orobiomes. For reptiles, these are the Dagestan orobiome (31 species) and the Caspian desert–steppe biome (37 species). For amphibians, this is the Dnieper–Volga biome, which includes Kaliningrad oblast (13 species).</p>

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Species Richness and Regions of High Diversity of Terrestrial Vertebrates in Russia

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • L. A. Khlyap,
  • E. A. Koblik,
  • V. V. Bobrov,
  • A. A. Varshavskiy

摘要

Abstract

A revision of the species richness was conducted for the four vertebrate classes (mammals, birds, reptiles, and amphibians) within the territory of Russia. The regional-level biome was set as the territorial unit. An increase in species richness southwards is characteristic for all classes, with specific differences for each class reflected on originally developed maps. The zones of high diversity partially overlap; however, the biomes with the maximum values do not coincide. For mammals, these are the Black Sea–Ciscaucasian (113 species) and the Zavolzhskii–Kulunda (114 species) steppe biomes. For birds, these are the Sayan–Southern Transbaikal (262 species) and the Altai–Sayan (275 species) orobiomes. For reptiles, these are the Dagestan orobiome (31 species) and the Caspian desert–steppe biome (37 species). For amphibians, this is the Dnieper–Volga biome, which includes Kaliningrad oblast (13 species).