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9  Articles
1 of 2 pages  |  10  records  |  more records»
De 1985 à 2001, l’activité piscicole en Algérie consistait en l’importation de diverses espèces dulçaquicoles : le sandre Sander  lucioperca(Percidae), la carpe Cyprinus carpio, la carpe grande bouche Aristichthys nobilis, la carpe argentée Hypophtha... see more


The article discusses the features of the dynamic process of migration of ichthyofauna from wintering sites to the wetlands of a large boreal river for feeding and spawning. The influence of factors of temperature and water level on various groups of fish... see more

In order to supplement the available information for the eco-hydraulic approach to designing fish passages, taking into account the taxonomic, dimensional structure, as well as taking into account the presence of predatory fish in the stream, the distribu... see more

Ecological niche theory suggests that, because closely related species cannot coexist in the same ecological niche, subtle differences exist among species that appear to cohabitate. Metabolic rate can explain variations that potentially enable species coe... see more

The aim of the paper  is to analyse the influence of environmental factors on the capture and fish communities structure from Danube, between Siret River and Prut River mouth. Fish were collected from April to December 2012 in four fishing areas. Dur... see more

Research on the skin ectoparasites of fish from the lower flow of the Sava River showed an extremely high level of biodiversity of the skin ectoparasitic protozoa. During the study period, we sampled 120 freshwater fish. We deteremined 15 fish species and... see more

On the basis of recent hydroacoustic method with using “PanCor” computerized program-technological complex, research was conducted on the distribution of fish of different taxonomic groups in the water area of Irtysh, a large trans-border river on the ben... see more

Thepaper is presenting some aspects regarding the influence of environmentalfactors on fish communities structure from Danube, between Siret River and PrutRiver mouth. Fish were collected from March to December 2010 in four fishingareas. During the year, ... see more

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