Tekijä (t): | Salonen, Erno Mutenia, Ahti |
---|---|
Aineiston nimi: | Alien fish species in northernmost Finland |
Verkko-osoite: | http://jukuri.luke.fi/bitstream/handle/10024/532816/tutkimuksia_2.pdf?sequence=1&isAllowed=y |
Aineistolaji: | kirja |
Asiasanat: | Inarijärvi, Lokan tekojärvi, Porttipahdan tekojärvi, vieraslajit |
Kustantaja: | RKTL |
Painopaikka: | Helsinki |
Vuosi: | 2007 |
Sivumäärä: | 16 |
ISBN/ISSN: | 978-951-776-590-9 ; 1796-8860 |
Lehti/sarja ym.: | Riista- ja kalatalous, Tutkimuksia / Riista- ja kalatalouden tutkimuslaitos |
Lisätietoa: | 2/2007 Lake Inari is a large, subarctic, oligotrophic and regulated lake. The fish community of the lake is composed of 10 indigenous species, mostly salmonids. Three new species – lake trout (Salvelinus namaycush), land-locked salmon (Salmo salar m. sebago) and vendace (Coregonus albula) – were introduced into the watershed in the 1950s and 1960s. Vendace established a selfreproducing population in the lake that expanded dramatically, creating a boom in fisheries and new fishing technology in the area. The stock collapsed in the early 1990s but has rebounded in the 2000s. Lake trout and land-locked salmon have not established self-reproducing populations; the catches of these species are based on stocking... |
Sijainti: | F-RKTL Tutkimuksia ; E-Tekojärvet: Lokka ja Porttipahta |