Útgefið efni
2009
Ágústa Helgadóttir, Ólafur Eggertsson og Kristín Svavarsdóttir 2009: Aldursgreining krækilyngs (Empetrum nigrum) með árhringjum. Fræðaþing Landbúnaðarins 2009, 355-358.
Brynhildur Bjarnadóttir. 2009. Carbon stocks and fluxes in a young Siberian larch (Larix sibirica) plantation in Iceland. PhD thesis. Department of Physical Geography and Ecosystem Analysis. Lund University, Lund, Sweden. p. 62.
Jón Ágúst Jónsson, and Bjarni Diðrik Sigurðsson. 2009. Effects of thinning and fertilization on soil respiration in a cottonwood plantation in Iceland. Biogeosciences Discussions 6: 9257-9278.
Sverrir Aðalsteinn Jónsson 2009: Vegetation history of Fljótsdalshérað during the last 2000 years. A Palynological study. MS ritgerð við Raunvísindadeild HÍ, Maí 2009.
2008
A. Lindroth, F. Lagergren, M. Aurela, Brynhildur Bjarnadóttir, T. Christensen, E. Dellwik, A. Grelle, A. Ibrom, T. Johansson, H. Lankreijer, S. Launianinen, T. Laurila, M. Mölder, E. Nikinmaa, K. Pilegaard, Bjarni D. Sigurdsson, and T. Vesala. 2008. Leaf area index is the principal scaling parameter for both gross photosynthesis and ecosystem respiration of Northern deciduous and coniferous forests. Tellus 60B: 129-142.
Anne-Katrin Würthele 2008: Dendrochronological Analysis of Icelandic Mountain Birch Betula pubescens Ehr. in West Iceland. A study on Mean Annual Increment in Relation to Climate. BSc ritgerð í International Forest Ecosystem Management at the University of Applied Sciences in Eberswalde, Germany
Asrun Elmarsdottir, Arne Fjellberg, Gudmundur Halldorsson, Maria Ingimarsdottir, Olafur K. Nielsen, Per Nygaard, Edda Sigurdis Oddsdottir, and Bjarni D. Sigurdsson. 2008. Effects of afforestation on biodiversity. In AFFORNORD: Effects of afforestation on ecosystems, landscape and rural development. Edited by G. Halldórsson, E.S. Oddsdóttir, and B.D. Sigurdsson. Nordic Council of Ministers, Copenhagen. pp. 37-47.
Bjarni D. Sigurdsson, Harald Sverdrup, Salim Belyazid, and Brynhildur Bjarnadottir. 2008. Effects of afforestation on the carbon cycle. In AFFORNORD: Effects of afforestation on ecosystems, landscape and rural development. Edited by G. Halldórsson, E.S. Oddsdóttir, and B.D. Sigurdsson. Nordic Council of Ministers, Copenhagen. pp. 87-99.
Brynhildur Bjarnadóttir, Anna Cecilia Inghammar, and Bjarni D. Sigurðsson. 2008. Lífmassa- og rúmmálsföll fyrir ung lerkitré (Larix sibirica) á Austurlandi. Rit Fræðaþings landbúnaðarins 5: 483-487.
Edda Sigurdís Oddsdóttir, Ásrún Elmarsdóttir, and Bjarni Diðrik Sigurðsson. 2008. Líffræðilegur fjölbreytileiki í kjölfar skógræktar. In Ársskýrsla Skógræktar ríksins 2007. pp. 28-31.
Brynja Hrafnkelsdóttir, Edda S. Oddsdóttir, Úlfur Óskarsson, and Guðmundur Halldórsson. 2008. Áhrif skógræktar með lerki (Larix sibirica) og birki (Betula pubescens) á þróun og fjölbreytileika svepprótar. Rit Fræðaþings landbúnaðarins 5, 103-110.
Edda Sigurdís Oddsdóttir, Auður Sveinsdóttir, Ásrún Elmarsdóttir, Bjarni Diðrik Sigurðsson, Jón Geir Pétursson, Ólafur Eggertsson, and Guðmundur Halldórsson. 2008. AFFORNORD: áhrif nýskógræktar á vistkerfi, landslag og byggðaþróun. Rit Fræðaþings landbúnaðarins 5: 409-413.
Guðmundur Halldórsson, Edda S. Oddsdóttir, and Bjarni D. Sigurðsson (eds). 2008. AFFORNORD: Effects of afforestation on ecosystems, landscape and rural development. Nordic Council of Ministers, Copenhagen.
Harald Sverdrup, Salim Belyzaid, Asrun Elmarsdottir, Borgthor Magnusson, and Bjarni D. Sigurdsson. 2008. Modelling ground vegetation changes In AFFORNORD: Effects of afforestation on ecosystems, landscape and rural development. Edited by G. Halldórsson, E.S. Oddsdóttir, and B.D. Sigurdsson. Nordic Council of Ministers, Copenhagen. pp. 49-55.
Helena Marta Stefánsdóttir, Karólína Einarsdóttir, Berglind Orradóttir, Brynhildur Bjarnadóttir, Edda S. Oddsdóttir, Franklín Georgsson, Freysteinn Sigurðsson, Gintare Medelyte, Gísli Már Gíslason, Guðmundur Halldórsson, Hlynur Óskarsson, Hreinn Óskarsson, Jón S. Ólafsson, Julia Broska, Nikolai Friberg, Sigurður Guðjónsson, and Bjarni Diðrik Sigurðsson. 2008. SkógVatn - Kynning á rannsóknarverkefni um áhrif skógræktar og landgræðslu á vatnavistkerfi. Rit Fræðaþings landbúnaðarins 5: 515-519.
Igor Drobyshev, Mats Niklasson, Olafur Eggertsson, Hans Linderson and Kerstin Sonesson.2008: Influence of annual weather on growth of pedunculate oak in southern Sweden. Ann. For. Sci. 65 512-525
Jón Ágúst Jónsson, and Bjarni Diðrik Sigurðsson. 2008. Áhrif skógræktaraðgerða á viðarvöxt og kolefnisbindingu í ungum asparskógi. Rit Fræðaþings landbúnaðarins 5: 103-110.
Ólafur Eggertsson 2008: Aldur og þroski reyniviðar og birkis í Ásbyrgi. Fræðaþing Landbúnaðarins 2008, 413-416.
Sverrir Aðalsteinn Jónsson, Ólafur Eggertsson og Ólafur Ingólfsson 2008: Saga gróðurfars, skóga og umhverfis á Héraði síðustu 2000 árin. Fræðaþing Landbúnaðarins 2008, 503-506.
Tom Levanič and Olafur Eggertsson 2008: Effects of Environmental Factors on tree-ring Growth of birch (Betula pubescens Ehrh.) in Fnjóskadalur valley, North Iceland. Dendrochronologia 25, 135-143.
2007
Anna Arneberg, Per Holm Nygaard, Odd Egil Stabbetorp, Bjarni D. Sigurdsson, and Edda Oddsdóttir. 2007. Afforestation effects on decomposition and vegetation in Iceland. In Effects of afforestation on ecosystems, landscape and rural development. Edited by G. Halldórsson, E.S. Oddsdóttir, and O. Eggertsson. pp. 75-80.
Ásrún Elmarsdóttir, Bjarni D. Sigurdsson, Borgthor Magnusson, Bjarni E. Guðleifsson, Edda Oddsdóttir, Erling Olafsson, Gudmundur Halldorsson, Gudridur Gyda Eyjolfsdottir, Kristinn H. Skarphedinsson, Maria Ingimarsdottir, and Olafur K. Nielsen. 2007. Age–related dynamics in biodiversity and carbon cycling of Icelandic woodlands (ICEWOODS): Experimental set–up and site descriptions. In Effects of afforestation on ecosystems, landscape and rural development. . Edited by G. Halldórsson, E.S. Oddsdóttir, and O. Eggertsson. pp. 100-107.
Bjarni D. Sigurdsson, Arnór Snorrason, Bjarki Þór Kjartansson, and Jon A. Jonsson. 2007. Total area of planted forests in Iceland and their carbon stocks and fluxes. In Effects of afforestation on ecosystems, landscape and rural development. Edited by G. Halldórsson, E.S. Oddsdóttir, and O. Eggertsson. pp. 211-217.
Brynhildur Bjarnadóttir, Anna Cecilia Inghammar, Mona-Maria Brinker, and Bjarni D. Sigurdsson. 2007. Biomass and volume equations for young Siberian larch trees (Larix sibirica Ledeb.) in eastern Iceland. Icelandic Agricultural Sciences 20: 125-135.
Brynja Hrafnkelsdóttir, Edda Sigurdís Oddsdóttir, Eva Ritter, and Guðmundur Halldórsson 2007. Áhrif skógræktar með birki (Betula pubescens) og lerki (Larix siberica) á þróun og fjölbreytileika svepprótar. Rit Fræðaþings landbúnaðarins 4, 414-418.
Hörður V. Haraldsson, Harald Sverdrup, Salim Belyazid, Bjarni D. Sigurdsson, and Guðmundur Halldórsson. 2007. Assessment of effects of afforestation on soil properties in Iceland, using Systems Analysis and System Dynamic methods. Icelandic Agricultural Sciences 20: 107-123.
Ólafur Eggertsson 2007. Reyniviðurinn (Sorbus aucuparia) í Ásbyrgi. Ársskýrsla Skógræktar ríkisins 2006, 14-16.
Per Gundersen, Jan Weslien, Bjarni D. Sigurdsson, Magne Sætersdal, Leena Finér, and Ingeborg Callesen. 2007. The objectives of the research network “Centre of Advanced Research on Environmental Services” (CAR-ES). In Effects of afforestation on ecosystems, landscape and rural development. . Edited by G. Halldórsson, E.S. Oddsdóttir, and O. Eggertsson. pp. 133-137.
Riitta Hyvönen, Göran I. Ågren, Sune Linder, Tryggve Persson, M. Francesca Cotrufo, Alf Ekblad, Michael Freeman, Achim Grelle, Ivan A. Janssens, Paul G. Jarvis, Seppo Kellomäki, Anders Lindroth, Denis Loustau, Tomas Lundmark, Richard J. Norby, Ram Oren, Kim Pilegaard, Michael G. Ryan, Bjarni D. Sigurdsson, Monika Strömgren, Marcel van Oijen, and Göran Wallin. 2007. The likely impact of elevated [CO2], nitrogen deposition, increased temperature and management on carbon sequestration in temperate and boreal forest ecosystems: a literature review. New Phytologist 171: 275-296.
Salim Belyazid, Bjarni D. Sigurdsson, Hörður V. Haraldsson, and Harald Sverdrup. 2007. Adapting the ForSAFE model to simulate changes in the ground vegetation after afforestation in Iceland: A feasibility study. In Effects of afforestation on ecosystems, landscape and rural development. Edited by G. Halldórsson, E.S. Oddsdóttir, and O. Eggertsson. pp. 81-87.
Valdimar Reynisson 2007: Áhrif umhverfisþátta á vöxt lerkis á Fljótsdalshéraði, BS-ritgerð í Skógfræði við Umhverfisdeild Landbúnaðarháskóli Íslands.
2006
Anna Cecilia Inghammar. 2006. Spájöfnur fyrir lífmassa bols, greina og barrs ungra lerkitrjáa (Larix sibirica). Lokaverkefni. Landbúnaðarháskóli Íslands, Hvanneyri. p. 59.
Helena Marta Stefánsdóttir. 2006. Effects of elevated carbon dioxide concentration and temperature on needle morphology and shoot growth in Norway spruce. Sjálfstætt rannsóknaverkefni, Líffræðiskor, Raunvísindadeild. Háskóli Íslands, Reykjavík. p. 47.
Jaspar Albers, Ólafur Eggertsson, Halldór Sverrisson og Guðmundur Halldórsson 2006. Áhrif ryðsveppa-sýkingar (Melampsora larici-populina) á vöxt alaskaaspar (Populus trichocarpa) á Suðurlandi. Fræðaþing landbúnaðarins 2006, 354-357.
Jón Ágúst Jónsson, Guðmundur Halldórsson, and Bjarni D. Sigurdsson. 2006. Changes in bird life, surface fauna and ground vegetation following afforestation by black cottonwood (Populus trichocarpa). Icelandic Agricultural Sciences 19: 33-41.
Ólafur Eggertsson, Tom Levanic 2006 Áhrif umhverfisþátta á árhringjavöxt birkis (Betula pubescens) í Fnjóskadal. Fræðaþing landbúnaðarins 2006, 388-390.
Ólafur Eggertsson2006: Fornskógar. Skógarbók Grænni skóga, 23-28.
Ólafur Eggertsson 2006. Fornskógurinn í Fljótshlíð. Skógræktarritið 2006 (1), 65-68.
Tom Moore 2006: Late Holocene Environmental History of Vaglaskógur National Forest, North Iceland. BSc ritgerð í Landfræði, Durham University, England.
2005
Ásta L. Aradóttir, Guðmundur Halldórsson & Ólafur Arnalds 2005. Landbót: Tilraunastofan á sandinum. Fræðaþing landbúnaðarins 2005: 279-282.
Bjarni Diðrik Sigurðsson, Ásrún Elmarsdóttir, and Borgþór Magnússon 2005. Áhrif skógræktar á sýrustig jarðvegs og gróðurfar. In Fræðaþing landbúnaðarins. Edited by Rósa S. Jónsdóttir. BÍ, LbhÍ, L.r., S.r., Reykjavík. pp. 303-306.
Bjarni Diðrik Sigurðsson. 2005. Einföld aðferð til að koma aspar eða víðiskógi í lúpínubreiður. Skógræktarritið (Icelandic Forestry) 2005(1): 27-35.
Bjarni Diðrik Sigurdsson, Borgþór Magnusson, Ásrun Elmarsdottir, and Brynhildur Bjarnadottir. 2005. Biomass and composition of understory vegetation and the forest floor carbon stock across Siberian larch and mountain birch chronosequences in Iceland. Annals of Forest Science 62: 881–888.
Gerður Guðmundsdóttir. 2005. Photosynthetic response of variable light intensity, CO2 concentration and temperature in native and introduced broadleaved tree species in Iceland. M.Sc. thesis. Biological Institute. University of Copenhagen, Copenhagen, Denmark. p. 51.
Gunnhildur I. Georgsdóttir og Ólafur Eggertsson 2005: Áhrif veðurfars á vöxt sitkagrenis og stafafuru í Heiðmörk. Fræðaþing landbúnaðarins 2005, 364-368.
Gerður Guðmundsdóttir, and Bjarni D. Sigurdsson. 2005. Photosynthetic temperature response of mountain birch (Betula pubescens Ehrh.) in comparison with three other broadleaved tree species in Iceland. Icelandic Agricultural Sciences 18: 43-51.
Hörður Haraldsson, Harald Sverdrup, Salim Belyazid, Bjarni D. Sigurdsson and Guðmundur Halldórsson. 2005. The System Analysis process preparing for assessments of effects of afforestation in Iceland. In Developing methods for modelling procedures in System Analysis and System Dynamics. Doctoral thesis, Department of Chemical Engineering, Lund University, Sweden. Edited by Hördur Haraldsson. p. 9.
Jón Ágúst Jónsson, Bjarni Diðrik Sigurðsson, Brynjólfur Sigurjónsson, Guðmundur Halldórsson, and Kesara Anamthawat-Jónsson 2005. Breytingar á botngróðri, skordýra- og fuglalífi við framvindu asparskógar. In Fræðaþing landbúnaðarins. Edited by Rósa S. Jónsdóttir. BÍ, LbhÍ, L.r., S.r., Reykjavík. pp. 408-411.
Ólafur Eggertsson 2005. Drumbabót – Fornskógurinn í Fljótshlíð. Í: Ársskýrslu Skógræktar ríkisins 2004 (ritstj. Gunnlaugur Guðjónsson og Hreinn Óskarsson). Skógrækt ríkisins, Egilsstöðum, bls. 31-32.
Óskar Knudsen og Ólafur Eggertsson 2005: Jökulhlaupaset við Þverá í Fljótshlíð. Í; Hættumat vegna eldgosa og hlaupa frá vestanverðum Mýrdalsjökli og Eyjafjallajökli, Ríkislögreglustjórinn, Háskólaútgáfan, 113-121.
Eldra efni
Ása L. Aradóttir, Ingvi Þorsteinsson & Snorri Sigurðsson, 1995. Birkiskógar Íslands. Könnun 1987-1991. I. Yfirlit, aðferðir og niðurstöður fyrir Laugardalshrepp í Árnessýslu og Hálshrepp í Suður-Þingeyjarsýslu. Fjölrit Rannsóknastöðvar Skógræktar ríkisins nr. 11.
Ása L. Aradóttir, Kristín Svavarsdóttir, Sigurður H. Magnússon, Jón Guðmundsson, Aðalsteinn Sigurgeirsson & Andrés Arnalds 1999. Notkun innlendra víðitegunda til uppgræðslu og landbóta. Áfangaskýrsla 1997-1998. Fjölrit Landgræðslunnar 1.
Ása L. Aradóttir 2000. Birki og lúpína - samkeppni eða samvinna. Skógræktarritið 2000:49-57.
Ása L. Aradóttir 2000. Áhrif lúpínu á ræktun birkis. Ráðunautafundur 2000: 116-121.
Ása L. Aradóttir & Guðmundur Halldórsson 2004. Uppbygging vistkerfa á röskuðum svæðum. Fræðaþing landbúnaðarins 2004: 86-93.
Asa L. Aradottir 2004. Does the Nootka lupin facilitate or impede colonization and growth of native birch in Iceland? Í Wild and Cultivated Lupins from the Tropics to the Poles. Proceedings of the 10th International Lupin Conference, Laugarvatn, Iceland, 19-24 June 2002 (E. v. Santen & G. D. Hill, ritstjórar), bls. 184-190. International Lupin Association, Canterbury, New Zealand.
Aradóttir, Á. L., A. Robertson, and E. Moore. 1997. Circular statistical analysis of birch colonization and the directional growth response of birch and black cottonwood in south Iceland. Agricultural and Forest Meterorology 84:179-186.
Aradóttir, Á. L., H. Þorgeirsson, H. McCaughey, I. Strachan, and A. Robertson. 1997. Establishment of a black cottonwood plantation on an exposed site in Iceland: Plant growth and site energy balance. Agricultural and Forest Meterorology 84:1-9.
Aradóttir, Á. L., I. Þorsteinsson, and S. Sigurðsson. 2001. Distribution and characteristics of birch woodlands in North-Iceland. Pages 51-61 in F. E. Wielgolaski, editor. Nordic Mountain Birch Ecosystems. CRC Press - Parthenon Publishing.
Ásrún Elmarsdóttir, Bjarni D. Sigurðsson, Guðmundur Halldórsson, Ólafur K. Nielsen, and Borgþór Magnússon. 2003. Áhrif skógræktar á lífríki. In Ráðunautafundur 2003. BÍ, LBH, Rala, Reykjavík. pp. 196-199.
Bjarni D. Sigurdsson, and Arnor Snorrason. 2000. Carbon sequestration by afforestation and revegetation as a means of limiting net-CO2 emissions in Iceland. Biotechnology, Agronomy, Society and Environment 4(4): 303-307.
Bjarni D. Sigurdsson, Halldor Thorgeirsson, and Sune Linder. 2001. Growth and dry-matter partitioning of young Populus trichocarpa in response to CO2 concentration and mineral nutrient availability. Tree Physiol. 21: 941-950.
Bjarni Diðrik Sigurðsson. 2002. Hvað er skógur? Skógræktarritið (Icelandic Forestry) 2002(1): 89-94.
Bjarni Diðrik Sigurðsson. 2003. Tilraunaskógurinn í Gunnarsholti I. Einn mest rannsakaði skógur landsins (The Gunnarsholt experimental forest I: history and literature review). Skógræktarritið 2003(1): 67-73.
Bjarni Diðrik Sigurðsson, Brynhildur Bjarnadóttir, Ian B. Strachan, and Friðrik Pálmason. 2004. Tilraunaskógurinn í Gunnarsholti II. Vatnið í skóginum (Gunnarsholt Experimental Forest II. Annual water balance and water quality). Skógræktarritið (Icelandic Forestry) 2004(1): 55-64.
Bjarni Diðrik Sigurðsson, Guðmundur Halldórsson, and Lárus Heiðarsson. 2003. Ertuygla. "Nýr" vágestur í skógrækt í nánd við lúpínubreiður (Broom moth causes problems on afforestation sites in S and SE Iceland). Skógræktarritið 2003(1): 87-92.
Bjarni D. Sigurðsson, and Borgþór Magnússon. 2004. Frævistfræði alaskalúpínu [Seed ecology of the Nootka lupin (Lupinus nootkatensis)]. Náttúrufræðingurinn 72(3-4): 110-116.
Bjarni D. Sigurdsson. 2001. Elevated [CO2] and nutrient status modified leaf phenology and growth rhythm of young Populus trichocarpa trees in a 3-year field study. Trees 15: 403-413.
Bjarni D. Sigurdsson. 2001. Environmental control of carbon uptake and growth in a Populus trichocarpa plantation in Iceland. PhD thesis. Swedish University of Agricultural Sciences, Uppsala, Sweden.
Borgþór Magnússon, Sigurður H. Magnússon, and Bjarni D. Sigurðsson. 2001. Gróðurframvinda í lúpínubreiðum (Vegetation succession in areas colonized by the introduced Nootka lupin (Lupinus nootkatensis) in Iceland). Rannsóknastofnun landbúnaðarins (Agricultural Research Institute). Fjölrit Rala (Rala report). 207.
Borgþór Magnússon, Sigurður H. Magnússon, and Bjarni D. Sigurðsson. 2003. Áhrif alaskalúpínu á gróðurfar (Effects of introduced Nootka lupin (Lupinus nootkatensis) on plant succession in Iceland). Náttúrufræðingurinn 71(3-4): 98-111.
Guðríður G. Eyjólfsdóttir, Ása L. Aradóttir, Halldór Þorgeirsson, Ólafur Arnalds & Jón Guðmundsson, 1994. Rannsóknir á umhverfisbreytingum og orkuflæði við framvindu asparskógar á berangri. Áfangaskýrsla 1991. Fjölrit Rannsóknastöðvar Skógræktar ríkisins 8:1-32.
Sigurðsson, B. D., Á. L. Aradóttir, and I. B. Strachan. 1998. Cover and canopy development of a newly established poplar plantation in south Iceland. Búvísindi 12:15-26.
