Abstract
During a survey of the Pripyat River (part of the European central invasive corridor, within Republic of Belarus) in June 2008, we for the first time found two alien amphipod species of Ponto-Caspian origin: Obesogammarus obesus (Sars, 1896) and Obesogammarus crassus (Sars, 1894). The maximum number of specimens was found at sites close to river ports. The data on distribution of species along the Pripyat River show that during the last 10-15 years, the fauna of invasive Ponto-Caspian amphipods in the Belarusian part of the European central invasion corridor has become enriched with new species.
Highlights
The Pripyat River, one of the largest rivers in the Republic of Belarus, is a crucial part of the so called European central invasion corridor
The samples were taken with a hand-net from the depths of 0.3 to 0.5 m in biotopes with different bottom substrates
Aquatic vegetation was dominated by Ceratophyllum spp., Potamogeton spp. and, in some cases, by Elodea canadensis Michx
Summary
The Pripyat River, one of the largest rivers in the Republic of Belarus, is a crucial part of the so called European central invasion corridor The fauna of alien amphipods and other invaders in Belarusian part of the corridor has been poorly studied. The list of identified species includes Chaetogammarus ischnus (Stebbing, 1899), Chelicorophium curvispinum (Sars, 1895), Dikerogammarus haemobaphes (Eichwald, 1841), Dikerogammarus villosus (Sowinsky, 1894) and Pontogammarus robustoides G.O. Sars, 1894 for the Dnieper
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