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Movements of female lumpsucker Cyclopterus lumpus in a Norwegian fjord during the spawning period
(Research report; Forskningsrapport, 2007)
Lumpsucker are distributed throughout the North Atlantic Ocean, and migrate considerable
distances between offshore feeding areas and shallow inshore spawning areas. In July
2006, a study on the movements of female lumpsucker during the spawning period was
carried out in Øksfjord, Northern Norway. Twenty fish (mean body mass 3.2 kg, range 1.5-
4.8 kg) were tagged with acoustic transmitters and ...
Fish populations, gill net catches and gill net selectivity in the Lower Orange River, Namibia, from 1995 to 2001
(Research report; Forskningsrapport, 2007-01)
The Orange River:
The lower part of the Orange River forms the border between Namibia and South Africa from the mouth
of the river and 580 km upstream. The river origins in the Lesotho Highlands, and runs for
approximately 2300 km from the source to the Orange River Mouth at Oranjemund (Namibia) and
Alexander Bay (South Africa), where it discharges into the Atlantic Ocean. The total Orange ...
Biologiske undersøkelser i Altaelva 2005
(Research report; Forskningsrapport, 2006-05)
Altaelva er ei av Norges beste elver for sportsfiske etter laks. Elva har en storvokst laksestamme, og en unik kultur og historie knyttet til laksefisket. Stortinget vedtok å utbygge og regulere elva for kraftproduksjon i 1978. Byggingen av kraftverksdammen ble igangsatt i 1983, og Alta kraftverk ble satt i drift i 1987. Det er gjennomført omfattende fiskebiologiske undersøkelser i vassdraget siden ...