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Certain methodical aspects of experiments studying the nutrition of caterpillars of the Gypsy moth
submitted by jomobags466 38 minutes ago
It is shown that there are a number of factors that are important to consider when planning the experiments on studying the trophic parameters of the caterpillars of the Gypsy moth, first of all, the population characteristics of the species including the sex and age structure that change annuall...
 
1 dig(s) Bury Topic: Ecology


New data on birds and mammals population of the Sette-Daban Mountain Ridge
submitted by revypoerm 38 minutes ago
Original materials on the fauna of the northern macroslope of the Sette-Daban Mountain Ridge are presented. Birds and mammals population in different habitats in the basin of the Allakh-Yun River are characterized.
 
1 dig(s) Bury Topic: Ecology
Spatial-typological organization of the soil Gamasina mite (Acari, Mesostigmata) community of Northeastern Altai. Communication II
submitted by poloetat 38 minutes ago
The second communication continues the analysis of altitudinal changes and the spatial-typological structure of the Gamasina mite community of the Northeastern Altai based on the data of August 2006 and 2007.
 
1 dig(s) Bury Topic: Ecology
The evaluation of the effect of environmental factors on the populations of the European hare (Lepus europaeus Pallas, 1778) in Central Siberia
submitted by EdwKolton 38 minutes ago
The study investigated the effects of climatic (depth and density of snow cover; air temperature; precipitation), biotic (land and avian predators), and human-caused (agriculture, traffic, and hunting) factors on the population dynamics of the European hare in some habitats.
 
1 dig(s) Bury Topic: Ecology


Spatial-typological structure of bird communities in coniferous and deciduous forests of the Northern Volga region
submitted by rochde0 38 minutes ago
Based on materials collected during continuous year-round strip censuses, the spatial heterogeneity of bird communities in coniferous and deciduous forests of the Northern Volga region was analyzed for the first time and the key factors determining it were identified. A spatial-temporal classific...
 
1 dig(s) Bury Topic: Ecology
Estimation of the carry-over of substances by dragonflies from water bodies to land in the forest-steppe of West Siberia
submitted by vitsargiry 38 minutes ago
The results of many years’ monitoring of the number and distribution of dragonflies in the Chany area of the Baraba forest-steppe are presented. An estimation of the biomass carry-over by dragonflies from water bodies to land ecosystems is given. The data presented provide evidence of the impor...
 
1 dig(s) Bury Topic: Ecology
Ecological characterization of calliphoridae (calliphoridae, diptera: Insecta) of the Russian Far East
submitted by TrenHen 38 minutes ago
Features of preimaginal and imaginal feeding of calliphoridae of the Far Eastern region of Russia are considered, ecological complexes and trophic groupings are distinguished, and their species composition is indicated. Aspects of calliphoridae’ synantropism are discussed.
 
1 dig(s) Bury Topic: Ecology
Hybridization of crucian carp Carassius carassius (Linnaeus, 1758) in Ukrainian reservoirs and the genetic structure of hybrids
submitted by somas 39 minutes ago
The hybridization of crucian carp Carassius carassius inhabiting polyspecific carp populations of Ukraine’s water bodies and the genetic structure of its hybrids were studied using biochemical gene marking and cytometry procedures. The widespread hybridization between C. auratus a...
 
1 dig(s) Bury Topic: Genetics
Human nerve stem cells in vitro
submitted by Jordanfx 39 minutes ago
The growth characteristics of a fraction of the human embryonic brain Nest-positive cells cultivated in vitro are the subject of the study. Our data demonstrate a probable increase in the content of Nest-positive cells in the cell population from 44.1 to 62.5% as a response to the p...
 
1 dig(s) Bury Topic: Genetics
Preservation of parenchymal and stromal progenitors in a cryopreserved human fetal liver
submitted by DevJos 39 minutes ago
The presence of a viable population of hepatoblasts, epithelial blast cells, and endothelial and mesenchymal cells in a cryoconserved suspension of human fetal liver (FL) cells was shown. Epithelial-mesenchymal hepatoblast transformation in a cell culture was found. A possibility to apply the pre...
 
1 dig(s) Bury Topic: Genetics
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