Survival To Stage Smolt Of One Summer Olq Atlantic Salmon (Salmo Salar L.) Released Into The Gowienica River (Northern Poland)

No abstracts are to be cited without prior reference to the author.

In 1995 and 1997 the respective releases of one summer old Atlantic salmon into Gowienica River reached 9000 and 4500 individuals. The respective average weight of released fish was 0.28 g and 1.0 g. In 1996-1999, some 15 km below the releasing site, a river net pound was used to catch migrating salmon smolts. Out of the fish released in 1995 there were caught 202 smolts, which constituted 2.2 % of recoveries. Length of smolts varied from 13 cm to 24 cm. Out of the second releasing in 1997 there caught 390 smolts, which constituted 8.7 % of recoveries; length of smelts varied from 11 cm to 23 cm.