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Publikováno v:
Ecology of Freshwater Fish. 15:321-330
– The size of wild Atlantic salmon (Salmo salar L.) smolts in 1972–2004 was studied in relation to parr density, smolt age, growth opportunity and postsmolt survival in the Simojoki River. There was a significant negative regression between the a
Publikováno v:
Journal of Fish Biology. 68:1222-1240
The 30 year time series analyses revealed large temporal variation in the return rates and a recent increase in abundance of previous spawning Atlantic salmon Salmo salar in the River Teno, northern Scandinavia. The mean proportion of repeat spawners
Publikováno v:
ICES Journal of Marine Science. 62:1617-1629
The abundance of wild Atlantic salmon in the River Teno system has been monitored since the 1970s by estimating salmon catches and juvenile salmon densities at permanent electrofishing sites. Analysis of the time-series has shown significant relation
Publikováno v:
Fisheries Management and Ecology. 8:501-511
The occurrence and density of ≥ 1+ brown trout, Salmo trutta L., and their relationship with prevailing instream and catchment characteristics were studied in 50 small forest streams, partially dredged for forest ditching. The occurrence of trout a
Publikováno v:
Journal of Fish Biology. 59:555-568
The densities of Atlantic salmon fry (0+ years) and parr (1 + years and older) in shoreline habitats of the large River Teno watercourse and its tributary, the River Utsjoki generally fluctuated considerably, showing an increase from early summer tow
Publikováno v:
Parasitology. 122:471-481
We used nestedness analysis to seek non-random patterns in the structure of component communities of metazoan parasites collected from 31 sympatric fish species from the northeastern Bothnian Bay, the most oligohaline area of the Baltic Sea. Only 8 m
Publikováno v:
Journal of Fish Biology. 56:974-985
By 15 June, 82% of the catch of Atlantic salmon Salmo salar kelts had been taken from the middle part of River Teno, northern Scandinavia. The median date of capture was 4 June for males and 8 June for females. Salmon of 1-4 sea-winters (SW) of both
Publikováno v:
Fisheries Management and Ecology. 5:189-199
A newly introduced species, the bullhead, Cottus gobio L., was observed for the first time in the River Utsjoki, a tributary of the River Teno, in 1979. The River Teno is one of the most important Atlantic salmon, Salmo salar L., rivers in Northern E