| Article |
|---|
| Article name |
Ecological and Faunistic Characteristics of the Fish Fauna of Some Lakes in Chitino-Ingodinsky Basin |
| Authors |
Gorlachyova Y.P. Candidate of Science (Biology), senior research assistant, gorl_iht@mail.ruGorlachev V.P. Doctor of Pedagogy, Professor, valeriigorlachev@mail.ru |
| Bibliographic description |
Gorlacheva Eu.P, Gorlachev B. P. Ecological and Faunistic Characteristics of the Fish Fauna of Some Lakes in Chitino-Ingodinsky Basin // Scholarly Notes of Transbaikal State University. Series Biological sciences. 2018. Vol. 13, No. 1. PP. 50–59. DOI: 10.21209/2500-1701-2018-13-1-50-59. |
| Section |
Zoology |
| UDK |
597.591 |
| DOI |
10.21209/2500-1701-2018-13-1-50-59 |
| Article type |
|
| Annotation |
On the territory of the Trans-Baikal region there are approximately 10,000 lakes, which are often
located in the basins. Most often, these small water reservoirs differ in their morphological indices, hydrochemical composition and fish fauna. At the same time, lakes play an important role in maintaining
species diversity. However, to date, the fish fauna of many lakes remains poorly studied. These lakes
include the lakes of Chitino-Ingodinsky basin. Due to the fact that the studied lakes are located close to
settlements, they experience significant antropogenous loads. All this calls for the necessity of the inventory of fish populations in small lakes, the study of their species composition and restructuring fish
communities. The paper describes the ichthyofauna of the lakes of Chitino-Ingodinsky basin. It is noted
that it is characterized by a small species diversity that is determined by shallow water lakes and high
salinity. The largest number of species belongs to the family of Cyprinidae. The fish fauna composition
is dominated by the representatives of the boreal lowland complex. Other faunistic complexes are often
represented by one species. Recently representatives of the Chinese faunistic complex have appeared
in the composition of the fish fauna of Lake Kenon. The domineering food is benthophage. However,
recently in the lakes there has been a reconstruction of the trophic structure associated with a decrease
in the number of fish with a predatory type of feeding and an increase in the number of euryphages. The
way of life in the lakes is dominated by limnophilic species. The spawning of most fish species occurs
on vegetation, therefore, the phytophilous species of fish predominate.
|
| Key words |
Chitino-Ingodinsky Basin, species diversity, fish fauna, faunistic complexes, nutrition, reproduction |
| Article information |
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| References |
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