Valery A Parensky

Learn More
The complete mitochondrial genome was sequenced in two individuals of white char Salvelinus albus. The genome sequences are 16 653 bp in size, and the gene arrangement, composition, and size are very similar to the salmonid fish genomes published previously. The low level of sequence divergence detected between the genome of S. albus and the GenBank(More)
A detailed analysis of allometric variation and sexual dimorphism in Lycodes yamatoi (Perciformes: Zoarcidae) was carried out using an original method developed by the authors. An allometric pattern of growth was revealed not only in plastic but in some meristic characters, such as the number of teeth on the bones of the mouthparts and the number of gill(More)
The complete mitochondrial genomes were sequenced in anadromous and resident forms of the lamprey Lethenteron camtschaticum. The sizes of the genomes in the two isolates are 16,245 and 16,295 bp. The gene arrangement, base composition, and size of the two sequenced genomes are similar to the lamprey genomes previously published. The total sequence(More)
Complex investigations of the influence of environmental factors, viz., the temperature, photosynthetically active radiation (PAR), ambient seawater concentrations of ammonium (NH4), and orthophosphate (PO4), as well as the contents of organic carbon (C), nitrogen, phosphorus, and a-chlorophyll (Ch) on the rate of photosynthesis (Pn) and dark respiration(More)
Using Parensky's approach for estimating the number of breeding pairs, we determined effective subpopulation size N e in early-run sockeye salmon Oncorhynchus nerka from Azabach'e Lake (Kamchatka) in 1977 through 1981. On average (over years and populations), biased sex ratio decreased N e by 7% as compared to the number of fish on the spawning sites (N i).(More)
Salmon that enter the Kamchatka River are intensively traumatized by lamprey (from 12.0 to 74.0% in different years). An analysis of the frequency distribution of oral disk marks on salmon revealed two types of marks: (1) small (diameter < 2.2 cm, mainly of oval form, located in the middle of the fish in the upper part of the body) and (2) large (diameter >(More)
  • 1