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pro vyhledávání: '"Jorma Kirjavainen"'
Autor:
Jorma Kirjavainen, Kai Westman
Publikováno v:
Aquatic Living Resources. 12:387-401
Signal crayfish (Pacifastacus leniusculus) originating from Lake Tahoe, California, were introduced into Karisjarvi, a small (11 ha) lake in central Finland (61° 58'N, 25° 32'E), in 1968 and 1969. Since then, the population has been monitored regul