• Fig.1. Population groupings of three species of mouse-like rodents (Apodemus uralensis, Apodemus agrarius, Apodemus flavicollis) in the terriroty of the Ulyanovsk region: I – Southern, II – Central, III – situatied on the Volga, IV – Maynsky-Ulyanovsk, V – situated near the Sura, VI – situated on the left bank of the Volga. The blue line highlights large rivers (the Syzranka, the Sviyaga, the Barysh, the Sura)
  • Fig. 2. Variants of the Ulyanovsk region zoning and points of gathering material for genetic typing of three species of mice (Apodemus uralensis, Apodemus agrarius, Apodemus flavicollis): A – floristic: zones of Forest-steppe Volga: 1 – Zasursky, 2 – Barysh-Inzensky, 3 – Sviyago-Usinsky, 4 – North-Volga, 5 – Zhigulevsky, 6 – Syzransky, 7 – Zasyzransky, 8 – South-Volga; zones of the forest-steppe low trans- Volga region: 9 – Akhtay-Maynsky, 10 – Cheremshansky, 11 – Melekessky; zones of the forest-steppe high trans- Volga: 12 – Bugulminsko-Belebeevsky, 13 – Soksky; zones of the steppe trans-Volga: 14 – Samaro-Kinelsky; 15 – Syrtovoy, 16 – Irgiz; banks of the Volga reservoirs: 17 – Volzhsky [12]; Б – Landscape-ecological: A1 – Prisursky forest region; A2 – Sviyazhsky forest-steppe region; Б1- Melekessko-Stavropolsky forest-steppe region; Б2 – Kondurchinsky steppe region; B1 – Syzrano-Tereshkinsky forest-steppe region; B2 – South Syzran steppe region; B3 – Verkhnekadadinsky steppe region; 1 – the boundaries of administrative regions; 2 – borders of regions [13]
  • Fig. 3. The results of genetic ML analysis (model HKY + G + I) of nucleotide sequences (n = 33) of the mtDNA region (D-loop, 699 bp), showing the phylogenetic relationships between mitotypes characterizing various genetic forms of Herb Field Mouse. In the nodes – the results of the bootstrap analysis (1000 replicas), scale – genetic distances between mitotypes. Population groupings (Gr): Gr 1 – Southern, Gr 2 – Central, Gr 3 – situated on the Volga, Gr 4 – Maynsky-Ulyanovsk, Gr 5 – situated near the Sura, Gr 6 – situated on the left bank of the Volga
  • Fig. 4. The results of genetic ML analysis (model HKY + G + I) of the nucleotide sequences (n = 14) of the mtDNA region (D-loop, 623 bp), showing the phylogenetic relationships between mitotypes characterizing various genetic forms of the Striped Field Mouse. In the nodes – the results of the bootstrap analysis (1000 replicas), scale – genetic distances between mitotypes. Population groupings (Gr): Gr 1 – Southern, Gr 2 – Central, Gr 3 – situated on the Volga, Gr 4 – Maynsky-Ulyanovsk, Gr 5 – situated near the Sura, Gr 6 – situated on the left bank of the Volga
  • Fig. 5. The results of genetic analysis of the nucleotide sequences (n = 14) of the mtDNA region (D-loop, 623 bp) is the median network of mitotypes (haplotypes) of Striped Field Mouse from the Ulyanovsk region. The length of the branches connecting individual haplogroups (HGr) is proportional to the number of mutational steps. Haplogroups: HGr1 – 11, 57, 59, 67, 82, 117, 327, 362; HGr2 – 5, 76, 131, 181, 401; HGr3 – 48
  • Fig. 6. The results of genetic ML analysis (model HKY + G + I) of the nucleotide sequences (n = 9) of the mtDNA region (D-loop, 700 bp), showing the phylogenetic relationships between mitotypes characterizing various genetic forms of the Yellow-necked Field Mouse. In the nodes – the results of the bootstrap analysis (1000 replicas), scale – genetic distances between mitotypes. Population groupings (Gr): Gr 1 – Southern, Gr 2 – Central, Gr 3 – situated on the Volga, Gr 4 – Maynsky-Ulyanovsk, Gr 5 – situated near the Sura, Gr 6 – situated on the left bank of the Volga
  • Fig. 7. The results of genetic analysis of the nucleotide sequences (n = 9) of the mtDNA region (D-loop, 700 bp) is the median network of mitotypes (haplotypes) of Yellow-necked Field Mouse from the Ulyanovsk region. The length of the branches connecting individual haplogroups (HGr) is proportional to the number of mutational steps. Haplogroups: HGr1 – 28, 53, 113, 465; HGr2 – 268; HGr3 – 139; HGr4 – 339, 405; HGr5 – 26
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