analysis of species composition, abundance and habitat
preferences of small mammals in the territory of
Uzhansky National Nature Park and its vicinities
was conducted. Since the creation of the park in
1999, detailed studies on small mammals have not
been conducted in the area. Thus, the present research
is a first attempt to clarify the species composition
and some ecological features of small mammals in
the region. In September–October 2017, trappings
of small mammals were conducted by traditional methods
using Hero traps and live traps. Five key habitats
were investigated: ‘mixed forest’, ‘forest edge’,
‘windfall’, ‘meadow’, and ‘shrubs’. The total number
of trap days was 705 during which 101 specimens
of 7 species were collected. One species — M.
agrestis — was recorded first in Uzhansky National
Park. The part of females in the general sample
was higher than the part of males (58.4 % vs. 41.6 %,
respectively). Among the studied habitats, the highest
species richness was revealed in ‘meadow’, where
all 7 species occurred. The most abundant but, at
the same time, the poorest habitats were ‘mixed
forest’ (34.4 specimens, 2 species) and ‘forest
edge’ (20.0 specimens, 2 species). Among the 7 species
revealed in the park and its vicinities, only one
is considered abundant (S. tauricus). According
to Shannon and Simpson diversity indices, the highest
species diversity was revealed in ‘meadow’ (H =
0.746, D = 4.741), ‘windfall’ (H = 0.436, D = 2.579),
and ‘shrubs’ (H = 0.430, D = 2.528), while ‘mixed
forest’ and ‘forest edge’ showed the lowest diversity.
By the level of habitat preference, the most eurytopic
species were S. tauricus and M. glareolus.
The yellow-necked field mouse preferred ‘mixed forest’
the most (Fij = 0.57) and clearly avoided ‘meadow’
and waterside ‘shrubs’. The shrews (Sorex)
and voles (Microtus) under conditions of
Uzhansky Park were stenotopic species occurring
only in ‘meadow’ (Fij = 1.00). Habitats having the
highest level of species diversity deserve special
conservation attention. The current revised taxonomic
list of orders Soriciformes and Muriformes includes
14 species. The presence of 2 species previously
mentioned for the region have not been confirmed
yet by actual records.
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