... Vefsna was among the best salmon rivers in Norway. However, in the mid 1970s the parasiteGyrodactylus salarisinvaded the river and killed most of the juvenile salmon. Hence, salmon catches have decreased considerably. The lower ...
... Vefsna undamaged 304 21.1 212 7.5 River Vefsna net damaged 758 24.8 146 11.0 Sources : Hansen ( 1980 ) ; Hansen and Roald ( 1981 ) . In 1980 , net - damaged salmon were kept in net pens in fresh and salt - water ( Table 8.10 ) ( Hansen ...
... Vefsna stock . Vefsna used to be an important salmon river , but production has dropped dramatically due to the introduction of the salmon parasite Gyrodactylus salaris . In that respect , the releases of fry in the upper tributaries ...
... Vefsna flowing to the Atlantic is called Vápstejeanuo by the Lapps . Nowadays the southern head- stream of the Vefsna , called the Susna , which flows from Börgefjell in Norway , is considered to be its main arm.2 But formerly , e.g. ...
... VEFSNA SEE VEFSNFJORDEN FJD 65 51 N VEFSNA STM 65 50 N VEFSNF JORD SEE VEFSNFJORDEN FJD 65 51 N VEFSNF JORDEN FJD VEFSN HERAD ADMD 65 51 N 66 00 N 12 32 E 22618 00 13 12 E 22618 01 12 32 E 22618 00 12 32 E 22618 01 13 17 E 22618 01 ...
... VEFSNA SEE VEFSNF JORDEN 12 32 E VEFSNA VEFSNF JORD VEFSNF JORDEN 13 12 E SEE VEFSNFJORDEN 12 32 E VEFSN HERAD 12 32 E 13 17 E 22618 22618 01 22618 00 22618 01 22618 01 00 VEGGERSÆTER VEGGFJELDET VEGGFJELLA SEE VEGGFJELLET VEGGF JELLET ...
... Vefsna Fusta Drevja 25% Vardnes 0–3 km 4–10 km 11–20 km 21–40 km 41–60 km 61–80 km 81–100 km >101 km Figure 11.3 Distribution of cumulative recaptures in the fjord system of anadromous brown trout tagged in their natal river. The rivers ...
... Vefsna ° ° Eidfjord Jølstra Flekke/Guddal Lærdalselv Arøyelv Ekso Vosso Oselv Eiffjordvassdraget Etneelv ° Fig. B14.5.1 Locations ofthreatened Norwegian stocks of Atlantic salmon (coloured circles), and the three LGBs (squares) in which ...
... Vefsna 1986–1994. Assign Rep Norw Inst Nat Res, Trondheim Johnsen BO, Koksvik JI, Jensen AJ (1997b) Production of Atlantic salmon smolts based on stocking of juveniles in rivers. Benthic animals and fish in Klubbvasselva, River Vefsna ...
... Vefsna, northern Norway. Journal of Fish Biology 29, 459–465. Jensen, A.J., Johnsen, B.O., & Hansen, L.P. (1989a) Effect of river flow and water temperature on the upstream migration of adult Atlantic salmon Salmo salar L. in the River ...