Fish assemblages in semi-natural and regulated large river stretches

• Published in: Polskie Archiwum Hydrobiologii (Poland) Vol. 47; no. 1
• Main Authors: Backiel, T, Wisniewolski, W, Borzecka, I, Buras, P, Szlakowski, J, Wozniewski, M. (Inland Fisheries Institute, Zabieniec, Piaseczno (Poland))
• Format: Journal Article
• Language: English
• Published: 2000
• Subjects: ANIMAL POPULATION; BIODIVERSIDAD; BIODIVERSITE; BIODIVERSITY; COURS D'EAU; CURSOS DE AGUA; DINAMICA DE POBLACIONES; DYNAMIQUE DES POPULATIONS; ELECTRIC FISHING; ESTRUCTURA DE LA POBLACION; FRESHWATER FISHES; PECES DE AGUA DULCE; PECHE A L'ELECTRICITE; PESCA CON ELECTRICIDAD; POBLACION ANIMAL; POISSON D'EAU DOUCE; POLAND; POLOGNE; POLONIA; POPULATION ANIMALE; POPULATION DYNAMICS; POPULATION STRUCTURE; REGLAMENTACIONES; REGLEMENTATION; REGULATIONS; RIVERS; STRUCTURE DE LA POPULATION

The Vistula River (Poland) is over 1000 km long and its drainage area comprises almost of 2/3 of Poland territory. Regulation of its lower course began in the 19th centuary. Fish were collected by electric fishing from both reaches. Cumulated samples from upper and lower sections of the investigated...