Зоологический журнал


Changes in earthworm (Oligochaeta, Lumbricidae) body mass related to their specific water regulation in soils of southern forest-steppe

Kudryasheva I.V.

Skin of earthworms is permeable for water and ions, so their water reserves may change related to soil moisture. These changes result in the fluctuations in their body mass. In laboratory, the earthworms

Chironomus arcustylus sp. n. of the group obtusidens (Diptera, Chironomidae)

Siirin M.T.

The morphology of male (larva, pupa, and adult) karyotype, and chromosome polymorphism in the new species

Growth, demographic structure of population and determination of

Kozminsky E.V.

The growth and population structure (age and sex) of

Ichneumon flies of the genus

Tereshkin A.M.

The data on variability of morphological characteristics in 18

K.A. Yudin, L.V. Firsova. Charadriiformes. Part 1. Skuas of Stercorariidae family and gulls of Larinae subfamily (Fauna of Russia and adjacent countries. Birds. Vol. II, 2)

Panov E.N.

Macrozoobenthos of subaqueous landscapes in shoal of southern Lake Baikal. 2. Structure of macroinvertebrate communities

Kravtsova L.S., Karabanov E.B., Kamaltynov R.M., Mekhanikova I.V., Sitnikova T. Ya., Rozhkova N.A., Slugina Z.V., Izhboldina L.A., Weinberg I.V., Akinshina T.V., Krivonogov S.K., Shcherbakov D. Yu.

Sixteen macroinvertebrate communities with complex structure and high species diversity were recorded in the shoal (of 1-20 m deep) of southern Lake Baikal. The index of species a-diversity (by Shannon) in different communities varies from 2.9 to 4.8 bits. The mosaic pattern of spatial distribution of macroinvertebrate communities is controlled by biotic and abiotic environmental factors. The trophic distribution of the bottom invertebrate population in Lake Baikal shallow water zone in specified by two hydrodynamic situations: removal and accumulation of alluvial deposits (fine and middle sands, aleurite). On the coarse material in the zone of outwashing the alluvial deposits, immovable filtrators-sestonophages and communities with "collectors" phytophages and detritophages prevail. Communities with the predominance of macroinvertebrates, catching ground without selection, predominate on fine material in the zone of its accumulation.

New species of egg parasites of the family Scelionidae (Hymenoptera, Proctotrupoidea) in the Palaearctic fauna

Kononova S.V., Petrov S.

Six new species of the genera

New species of the genus

Gil'denkov M. Yu.

The new species,

Resistance of rodents to cuttings in seasonally moist tropical forests of southern Vietnam

Puzachenko Yu. G., Kuznetsov G.V.

An approach to estimate the resistance of rodents to cuttings in a seasonally moist tropical forest (Vietnam) is considered. The observations were carried out on a transect with a regular location of sample points. In each point, vegetation was described, rodents were trapped during ten days; meetings with squirrels were recorded. The sensitivity of rodent species to changes in the state of the plant cover on the parcel level, parameters of multidimentional species ecological niches and relations between their coordinates and environmental characteristics were determined using the statistical multidimensional analysis. As a result, the sensitivity of rodent species to the varying plant cover due to commercial cuttings was estimated on the basis of changes in the spatial variation of their numbers. The sensitivity of rodents to cuttings inherent to seasonally moist tropical forests is not so high due to the multi-factored relationships between rodent species and independently varying spatial characteristics of the plant cover. These characteristics change weakly in the course of cuttings or their initial values are fast restored.

Shallow water sea spiders (Pycnogonida) from the Kuril, Commander, and Yamskii Islands. 2. Pycnogonidae family

Turpaeva E.P.

Three species of the family Pycnogonidae were found in the sublittoral zone at the Kuril and Commander Islands:

Small mammal communities of river floodplains in Eastern Ukraine

Naglov V.A., Kuznetsov V.L., Kondratenko A.V.

The fauna of small mammals of river floodplains in Eastern Ukraine is of mixed character: a considerable share of forest and eurytopic species is represent along with floodplain species. The revealed significant differences in the structure of small mammal communities in the Severskii Donets and some other river floodplains are related to specific landscape features of them. The pattern of structural changes, when passing from the forest steppe to the steppe zone, is shown.


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