Browsing NIBIO Brage by Author "Økland, Tonje"
Now showing items 1-20 of 22
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Biologisk mangfold i bunnvegetasjonen i gransumpskog
Økland, Rune Halvorsen; Økland, Tonje; Rydgren, Knut (NIJOS Rapport;03/00, Research report, 2000) -
Boreal tree species change as a climate mitigation strategy: impact on ecosystem C and N stocks and soil nutrient levels
Kjønaas, O. Janne; Barcena, Teresa G.; Hylen, Gro; Nordbakken, Jørn-Frode; Økland, Tonje (Peer reviewed; Journal article, 2021-11-24)To increase the annual uptake of CO2 as well as the long-term storage of carbon (C) in forests, the Norwegian government consider large-scale replacements of native, deciduous forests with faster-growing species like Norway ... -
Climate change drives substantial decline of understorey species richness and abundance in Norway spruce forests during 32 years of vegetation monitoring
Økland, Tonje; Halvorsen, Rune; Lange, Holger; Nordbakken, Jørn-Frode; Clarke, Nicholas (Peer reviewed; Journal article, 2023-05-31)Questions Observations in permanent forest vegetation plots in Norway and elsewhere indicate that complex changes have taken place over the period 1988–2020. These observations are summarised in the “climate-induced ... -
Endringer i planteartsmangfold i granskog i perioden 1988-2002 - Nasjonalt nettverk av flater for intensivovervåking i skog
Økland, Tonje; Økland, Rune Halvorsen; Bratli, Harald; Eilertsen, Odd (NIJOS-rapport;06/2004, Research report, 2004-01-30)I rapporten presenteres resultatene for bearbeiding av data fra til sammen 561 overvåkingsflater fordelt på 11 granskogsområder i Norge. Alle flatene ble analysert 3 ganger med 5 års omløpstid i perioden 1988-2002 ved ... -
Hogstpåvirkning på biologisk mangfold og undervegetasjonens sammensetning i granskog
Rydgren, Knut; Økland, Tonje; Økland, Rune Halvorsen; Storaunet, Ken Olaf (NIJOS-rapport, Research report, 1999)Undervegetasjon og økologiske forhold i felter med forskjellig hogsthistorie - naturskog uten hogstspor, tidligere plukkhogd skog og tidligere flatehogd skog - er undersøkt på sørvendte og nordvendte eksposisjoner i granskog ... -
Intensivovervåking i granskog. Endringer i undervegetasjonen i fem overvåkingsområder i løpet av en fem-års-periode
Økland, Tonje (NIJOS-rapport, Research report, 1999)Resultater for endringer i permanente prøveflater i granskogsvegetasjon i løpet av en fem-årsperiode blir presentert for 5 av NIJOS´ 10 intensive overvåkingsområder (”Vegetasjons-økologisk overvåking av boreal barskog i ... -
Klimakur 2030 – beskrivelse av utvalgte klimatiltak knyttet til skog. Supplement.
Søgaard, Gunnhild; Alfredsen, Gry; Fernández, Clara Antón; Astrup, Rasmus Andreas; Belbo, Helmer; Clarke, Nicholas; Eriksen, Rune; Granhus, Aksel; Hanssen, Kjersti Holt; Hietala, Ari Mikko; Kockum, Frans; Mohr, Christian Wilhelm; Nordbakken, Jørn-Frode; Stokland, Jogeir Nicolai; Sverker, Jennie; Økland, Tonje (NIBIO rapport;6(153) 2020, Research report, 2020-11)Det årlige netto opptaket i skogen i Norge økte frem til 2009 (over 35 mill. tonn), og har etter det vist en avtakende trend. I 2018 var det et netto opptak på i underkant av 28 millioner tonn CO2- ekvivalenter. Størrelsen ... -
Report from the Terrestrial Environmental Monitoring Project in Central Asia (TEMP-CA). Establishment of monitoring reference area in Besh-Tash, Talas oblast, the Kyrgyz Republic, 2006. TEMP-CA monitoring site No.4
Økland, Tonje; Kuldanbaev, Nurbek; Nordbakken, Jørn-Frode; Eilertsen, Odd (Oppdragsrapport fra Skog og landskap;07/2011, Research report, 2011)The collapse of the Soviet Union in the Central Asian countries has led to enormous challenges for them in ensuring a sustainable environment. Weak economies and lack of expertise in environmental sciences were important ... -
Report from the Terrestrial Environmental Monitoring Project in Central Asia (TEMP-CA). Establishment of monitoring reference area in Gauyan, Batken oblast, the Kyrgyz Republic, 2008. TEMP-CA monitoring site No.7
Økland, Tonje; Kuldanbaev, Nurbek; Nordbakken, Jørn-Frode; Eilertsen, Odd (Oppdragsrapport fra Skog og landskap;10/2011, Research report, 2011)The collapse of the Soviet Union in the Central Asian countries has led to enormous challenges for them in ensuring a sustainable environment. Weak economies and lack of expertise in environmental sciences were important ... -
Report from the Terrestrial Environmental Monitoring Project in Central Asia (TEMP-CA). Establishment of monitoring reference area in Navobod, Sogdi oblast, the Republic of Tadjikistan, 2007. TEMP-CA monitoring site No.6
Økland, Tonje; Kuldanbaev, Nurbek; Nordbakken, Jørn-Frode; Eilertsen, Odd (Oppdragsrapport fra Skog og landskap;09/2011, Research report, 2011)The collapse of the Soviet Union in the Central Asian countries has led to enormous challenges for them in ensuring a sustainable environment. Weak economies and lack of expertise in environmental sciences were important ... -
Report from the Terrestrial Environmental Monitoring Project in Central Asia (TEMP-CA). Establishment of monitoring reference area in Sary-Chelek, Jalal-Abad oblast, the Kyrgyz Republic, 2007. TEMP-CA monitoring site No.5
Økland, Tonje; Kuldanbaev, Nurbek; Nordbakken, Jørn-Frode; Eilertsen, Odd (Oppdragsrapport fra Skog og landskap;08/2011, Research report, 2011-02-14)The collapse of the Soviet Union in the Central Asian countries has led to enormous challenges for them in ensuring a sustainable environment. Weak economies and lack of expertise in environmental sciences were important ... -
Report from the Terrestrial Environmental Monitoring Project in Central Asia (TEMP-CA). Establishment of monitoring reference area in Sogot, Jalal-abad oblast, the Kyrgyz Republic, 2005. TEMP-CA monitoring site No. 2
Økland, Tonje; Nordbakken, Jørn-Frode; Kuldanbaev, Nurbek; Eilertsen, Odd (Oppdragsrapport fra Skog og landskap;05/2011, Research report, 2011)The collapse of the Soviet Union in the Central Asian countries has led to enormous challenges for them in ensuring a sustainable environment. Weak economies and lack of expertise in environmental sciences were important ... -
Report from the Terrestrial Environmental Monitoring Project in Central Asia (TEMP-CA). Establishment of monitoring reference area in Umalak Teppa, Tashkent region, the Republic of Uzbekistan, 2009. TEMP-CA monitoring site No. 10
Økland, Tonje; Vildanova, Gulusa; Kuldanbaev, Nurbek; Nordbakken, Jørn-Frode; Eilertsen, Odd (Oppdragsrapport fra Skog og landskap;14/2011, Research report, 2011)The collapse of the Soviet Union in the Central Asian countries has led to enormous challenges for them in ensuring a sustainable environment. Weak economies and lack of expertise in environmental sciences were important ... -
Report from the Terrestrial Environmental Monitoring Project in Central Asia (TEMP-CA). Establishment of monitoring reference area in Urumbash, Jalal-Abad oblast, the Kyrgyz Republic, 2009. TEMP-CA monitoring site No.9
Økland, Tonje; Kuldanbaev, Nurbek; Nordbakken, Jørn-Frode; Eilertsen, Odd (Oppdragsrapport fra Skog og landskap;12/2011, Research report, 2011)The collapse of the Soviet Union in the Central Asian countries has led to enormous challenges for them in ensuring a sustainable environment. Weak economies and lack of expertise in environmental sciences were important ... -
Report from the Terrestrial Environmental Monitoring Project in Central Asia (TEMP-CA). Establishment of monitoring reference area in Zaamin, Djizak Region, the Republic of Uzbekistan, 2008. TEMP-CA monitoring site No. 8
Økland, Tonje; Vildanova, Gulusa; Kuldanbaev, Nurbek; Eilertsen, Odd (Oppdragsrapport fra Skog og landskap;11/2011, Research report, 2011)The collapse of the Soviet Union in the Central Asian countries has led to enormous challenges for them in ensuring a sustainable environment. Weak economies and lack of expertise in environmental sciences were important ... -
Report from the Terrestrial Environmental Monitoring Project in Central Asia [TEMP-CA]. Establishment of monitoring reference area in Dugoba, Batken oblast, the Kyrgyz Republic, 2006. TEMP-CA monitoring site No. 3
Økland, Tonje; Kuldanbaev, Nurbek; Eilertsen, Odd (Oppdragsrapport fra Skog og landskap;06/2011, Research report, 2011-02-14)The collapse of the Soviet Union in the Central Asian countries has led to enormous challenges for them in ensuring a sustainable environment. Weak economies and lack of expertise in environmental sciences were important ... -
Report from the Terrestrial Environmental Monitoring Project in Central Asia [TEMP-CA]. Establishment of monitoring reference area in Kara-Koi, Osh oblast, the Kyrgyz Republic, 2005. TEMP-CA monitoring site No. 1
Økland, Tonje; Kuldanbaev, Nurbek; Eilertsen, Odd (Oppdragsrapport fra Skog og landskap;04/2011, Research report, 2011)The collapse of the Soviet Union in the Central Asian countries has led to enormous challenges for them in ensuring a sustainable environment. Weak economies and lack of expertise in environmental sciences were important ... -
Shift in tree species changes the belowground biota of boreal forests
Mundra, Sunil; Kauserud, Håvard; Økland, Tonje; Nordbakken, Jørn-Frode; Ransedokken, Yngvild Eidissen; Kjønaas, O. Janne (Peer reviewed; Journal article, 2022-03-20)The replacement of native birch with Norway spruce has been initiated in Norway to increase long-term carbon storage in forests. However, there is limited knowledge on the impacts that aboveground changes will have on the ... -
Short-term effects of hardened wood ash and nitrogen fertilisation on understory vegetation in a Norway spruce forest in south-east Norway
Økland, Tonje; Nordbakken, Jørn-Frode; Clarke, Nicholas; Hanssen, Kjersti Holt (Peer reviewed; Journal article, 2022-07-26)In a fertiliser experiment in a Norway spruce forest in SE Norway, four treatments were applied in a block design with three replicates per treatment. Treatments included 3 t wood ash ha−1 (Ash), 150 kg nitrogen ha−1 (N), ... -
Short-term effects of whole-tree harvesting on understory plant species diversity and cover in two Norway spruce sites in southern Norway
Økland, Tonje; Nordbakken, Jørn-Frode; Lange, Holger; Røsberg, Ingvald; Clarke, Nicholas (Journal article; Peer reviewed, 2016-04-06)Effects of clear-cut harvesting on ground vegetation plant species diversity and their cover are investigated at two Norway spruce sites in southern Norway, differing in climate and topography. Experimental plots at these ...