Publications

NIBIOs employees contribute to several hundred scientific articles and research reports every year. You can browse or search in our collection which contains references and links to these publications as well as other research and dissemination activities. The collection is continously updated with new and historical material.

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1971

Report – A summary of studies on genetic variation in forest trees grown in Scandinavia with special reference to the adaptation problem

Jon Dietrichson

Meddelelser fra Det norske Skogforsøksvesen, 29 1971. 21-59

Authors

Jon Dietrichson

Abstract

No abstract has been registered

Authors

Øystein Austarå

Abstract

No abstract has been registered

Report – Developmental stages in ovaries of pine weevils, Hylobius abietis L. (Coleoptera: Curculionidae), present in reforestation areas during the first years after the final felling

Erik Christiansen

Meddelelser fra Det norske Skogforsøksvesen, 28 1971. 389-415

Authors

Erik Christiansen

Abstract

No abstract has been registered

Academic – Feeding activity of the pine weevil, Hylobius abietis L. (Col., Curculionidae), during a hot period

Erik Christiansen, Alf Bakke

Norsk Entomologisk Tidsskrift, 18 1971. 109-111

Authors

Erik Christiansen Alf Bakke

Abstract

No abstract has been registered

Report – Infection biology and chemical control of Scleroderris lagerbergii Gremmen on Pinus sylvestris L.

Arild Sletten

Meddelelser fra Det norske Skogforsøksvesen, 29 1971. 113-134

Authors

Arild Sletten

Abstract

No abstract has been registered

Report – Isotope studies on nitrogen in forest soil. I. Relative losses of nitrogen through leaching during a period of forty months

Lars N. Overrein

Meddelelser fra Det norske Skogforsøksvesen, 29 1971. 261-280

Authors

Lars N. Overrein

Abstract

No abstract has been registered

Report – Isotope studies on the leaching of different forms of nitrogen in forest soil

Lars N. Overrein

Meddelelser fra Det norske Skogforsøksvesen, 28 1971. 331-351

Authors

Lars N. Overrein

Abstract

No abstract has been registered

Academic – Laboratory study of factors influencing pre-imaginal development in Hylobius abietis (Col., Curculionidae)

Erik Christiansen

Norsk Entomologisk Tidsskrift, 18 1971. 1-8

Authors

Erik Christiansen

Abstract

No abstract has been registered

Report – Neofabraea populi in plantations of hybrid aspen in Norway

Åge Langhammer

Meddelelser fra Det norske Skogforsøksvesen, 29 1971. 281-291

Authors

Åge Langhammer

Abstract

No abstract has been registered

Academic – Orgyia mixta Snell. (Lepidoptera: Lymantriidae), a defoliator of exotic softwoods in Kenya

Øystein Austarå

East African Agricultural and Forestry Journal, 36 1971. 298-307

Authors

Øystein Austarå

Abstract

Lists the recorded hosts (coniferous and broadleaved species) and localities of O. mixta in Kenya; describes its life history; estimates the relation between degree of defoliation and population density; and discusses natural control and laboratory tests of three insecticides against late-instar larvae.

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Publications

1971

Report – A summary of studies on genetic variation in forest trees grown in Scandinavia with special reference to the adaptation problem

Authors

Abstract

Popular scientific article – Cold-hardiness in eggs of Neodiprion sertifer (Geoffr.) (Hymenoptera: Diprionidae) under natural conditions

Authors

Abstract

Report – Developmental stages in ovaries of pine weevils, Hylobius abietis L. (Coleoptera: Curculionidae), present in reforestation areas during the first years after the final felling

Authors

Abstract

Academic – Feeding activity of the pine weevil, Hylobius abietis L. (Col., Curculionidae), during a hot period

Authors

Abstract

Report – Infection biology and chemical control of Scleroderris lagerbergii Gremmen on Pinus sylvestris L.

Authors

Abstract

Report – Isotope studies on nitrogen in forest soil. I. Relative losses of nitrogen through leaching during a period of forty months

Authors

Abstract

Report – Isotope studies on the leaching of different forms of nitrogen in forest soil

Authors

Abstract

Academic – Laboratory study of factors influencing pre-imaginal development in Hylobius abietis (Col., Curculionidae)

Authors

Abstract

Report – Neofabraea populi in plantations of hybrid aspen in Norway

Authors

Abstract

Academic – Orgyia mixta Snell. (Lepidoptera: Lymantriidae), a defoliator of exotic softwoods in Kenya

Authors

Abstract