Results 61 to 70 of about 37,935 (267)

Age, growth and food of the Burbot Lota lota in two eutrophic lakes in southeast

open access: yesFauna Norvegica, 1992
The growth and food of the burbot Lota lota was studied in two neighbouring meso-eutrophic lakes in southeast Norway. The burbot grew slower and reached smaller theoretical maximum lengths in Lake Øgderen than in Lake Rødenes (L∞ = 40.5 cm vs 69.5 cm ...
Leif Asbjørn Vøllestad
doaj   +1 more source

Norwegian lakes show widespread recovery from acidification; results from national surveys of lakewater chemistry 1986-1997 [PDF]

open access: yesHydrology and Earth System Sciences, 1998
Surveys of 485 lakes in Norway conducted in 1986 and again in 1995 reveal widespread chemical recovery from acidification. Sulphate concentrations in lakes have decreased by 40% in acidified areas in southern Norway.
B. L. Skjelkvåle   +2 more
doaj  

Movements and home range dynamics of Roe Deer, Capreolus capreolus L. in southeastern Norway

open access: yesFauna Norvegica, 1991
Thirty-three Roe deer were radio-collared on a winter feeding site near the coast in SE Norway during 1984 - 87. Nineteen of the animals remained year-round within 2 km of the feeding site.
Gunnar Bjar   +3 more
doaj   +1 more source

How can welfare regime and production regime theories explain differences in schools’ ability grouping policies? A comparative study using the PISA school survey

open access: yesBritish Educational Research Journal, EarlyView.
Abstract Research evidence is mixed on the consequences of ability grouping policies, but most research has found an overrepresentation of disadvantaged social demographics in low‐ability groups. However, researchers have neglected to explain why ability grouping policies vary between countries.
Monica Reichenberg   +2 more
wiley   +1 more source

Feeding Ecology of Roe Deer, Capreolus capreolus L., during summer in southeastern Norway

open access: yesFauna Norvegica, 1991
Ten radiocollared Roe deer were followed over three summers, resulting in 2316 map locations. The animals utilized a mixture of forest and agricultural land. Cover and forage availability were the main determinants of habitat selection.
Vidar Selås   +4 more
doaj   +1 more source

Semelparous whitefish Coregonus lavaretus: do they exist?

open access: yesFauna Norvegica, 1988
The life history of the whitefish Coregonus lavaretus population in the eutrophic Lake Temse, Southern Norway, was studied in 1985 and 1986. Growth was intermediate compared to other populations, whitefish attained 13 and 21 cm first and second winter ...
Jan Henning L'Abee-Lund   +3 more
doaj   +1 more source

Restocking the River Akerselv, Oslo with Atlantic salmon smolts Salmo salar L. of different stocks

open access: yesFauna Norvegica, 1990
Sea ranched hatchery-reared smolts of Atlantic salmon originating from the Rivers Imsa and Lone in Norway and Neva in USSR were released in the River Akerselv, in 1985 and 1987.
Lars P. Hansen, Bror Jonsson
doaj   +1 more source

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