For more detail see my web page at the Department of Biosciences.
Geir Hestmark
Norwegian version of this page
Email
geir.hestmark@ibv.uio.no
Room
3301
Username
Visiting address
Blindernveien 31
0371 Oslo
Postal address
Postboks 1066 Blindern
0316 Oslo
Publications
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Hestmark, Geir (2023). A Tale of two Moraines and the Discovery of Ice Ages. Geological Society Special Publication. ISSN 0305-8719. 543(1). doi: 10.1144/SP543-2022-239.
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Hestmark, Geir (2021). Proposal to conserve the name Umbilicaria spodochroa (lichenized Ascomycota) with a conserved type and with that spelling. Taxon. ISSN 0040-0262. 70(5), p. 1131–1132. doi: 10.1002/tax.12578. Full text in Research Archive
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Hestmark, Geir (2018). Jens Esmarks mountain-glacier traverse 1823 - the key to his discovery of ice ages. Boreas. ISSN 0300-9483. 47(1), p. 1–10. doi: 10.1111/bor.12260. Full text in Research Archive
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Hestmark, Geir (2017). Tracings of the north of Europe: Robert Chambers in search of the Ice Age. Annals of Science. ISSN 0003-3790. 74(4), p. 262–281. doi: 10.1080/00033790.2017.1390154.
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Hestmark, Geir (2017). Lectotypification of Umbilicaria leiocarpa (Umbilicariaceae). Graphis Scripta. ISSN 0901-7593. 29(1-2), p. 12–17. doi: 10.1017/s0024282914000589.
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Hestmark, Geir (2017). Lectotypification of Umbilicaria torrefacta (Lightf.) Schrad. The Lichenologist. ISSN 0024-2829. 49(2), p. 167–169. doi: 10.1017/S0024282916000682.
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Hestmark, Geir & Nordli, Øyvind (2016). Jens Esmark’s Christiania (Oslo) meteorological observations 1816-1838: the first long term continuous temperature record from the Norwegian capital homogenized and analysed . Climate of the Past. ISSN 1814-9324. 12(11), p. 2087–2106. doi: 10.5194/cp-12-2087-2016. Full text in Research Archive
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Hestmark, Geir (2016). The lichen genus Umbilicaria in Ecuador. Nordic Journal of Botany (NJB). ISSN 0107-055X. 34(3), p. 257–268. doi: 10.1111/njb.00952.
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Hestmark, Geir; Lutzoni, Francois & Miadlikowska, Jolanta (2016). Photobiont associations in co-occurring umbilicate lichens with contrasting modes of reproduction in coastal Norway. The Lichenologist. ISSN 0024-2829. 48(5), p. 545–557. doi: 10.1017/S0024282916000232.
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Nordli, Øyvind; Hestmark, Geir; Benestad, Rasmus & Isaksen, K. (2015). The Oslo temperature series 1837-2012: Homogeneity testing and temperature analysis. International Journal of Climatology. ISSN 0899-8418. 35(12), p. 3486–3504. doi: 10.1002/joc.4223.
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Hestmark, Geir (2015). Umbilicaria aprina New to the Pyrenees. Graphis Scripta. ISSN 0901-7593. 27(1-2), p. 42–45.
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Hestmark, Geir (2015). Lectotypification of Umbilicaria virginis (Umbilicariaceae). The Lichenologist. ISSN 0024-2829. 47(1), p. 77–81. doi: 10.1017/S0024282914000589.
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Hestmark, Geir (2014). Lectotypification of the name Umbilicaria nylanderiana (Umbilicariaceae). Taxon. ISSN 0040-0262. 63(4), p. 914–917. doi: 10.12705/634.12.
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Miadlikowska, Jolanta; Kauff, Frank; Högnabba, Filip; Oliver, Jeffrey C.; Molnar, Katalin & Fraker, Emily [Show all 32 contributors for this article] (2014). A multigene phylogenetic synthesis for the class Lecanoromycetes (Ascomycota): 1307 fungi representing 1139 infrageneric taxa, 317 genera and 66 families. Molecular Phylogenetics and Evolution. ISSN 1055-7903. 79(1), p. 132–168. doi: 10.1016/j.ympev.2014.04.003.
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Hestmark, Geir (2012). To discover, yes, but to publish...? Jens Esmark, datolite...and thulite. Bergverksmuseets skriftserie. ISSN 0800-1855. 49, p. 45–52.
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Hestmark, Geir (2012). The meaning of 'metamorphic' - Charles & Mary Lyell in Norway, 1837. Norsk Geologisk Tidsskrift. ISSN 0029-196X. 91(4), p. 247–275.
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Hestmark, Geir (2011). Vitenskap og dannelse. In Astad, Anne-Marie (Eds.), Årbok 2010. Novus Forlag. ISSN 978-82-7099-646-9. p. 211–232.
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Hestmark, Geir; Miadlikowska, Jolanta; Kauff, Frank; Fraker, Emily; Molnar, Katalin & Lutzoni, Francois (2011). Single origin and subsequent diversification of central Andean endemic Umbilicaria species. Mycologia. ISSN 0027-5514. 103(1), p. 45–56. doi: 10.3852/10-012.
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Hestmark, Geir (2011). The meaning of 'metamorphic' - Charles & Mary Lyell in Norway, 1837. Norsk Geologisk Tidsskrift. ISSN 0029-196X. 91(4), p. 247–275.
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Jettestuen, Espen; Nermoen, Anders; Hestmark, Geir; Timdal, Einar & Mathiesen, Joachim (2010). Competition on the Rocks: Community Growth and Tessellation. PLOS ONE. ISSN 1932-6203. 5(9). doi: 10.1371/journal.pone.0012820. Full text in Research Archive
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Hestmark, Geir (2010). Typification of the Andean taxa of Umbilicaria described by William Nylander. Mycotaxon. ISSN 0093-4666. 111, p. 51–63.
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Hestmark, Geir (2009). "Her ligger Sneen evig". Da Dovre falt - for Esmarks barometer" ("Here the snow lies eternal" - Jens Esmark's measurement of Snohetta). Historisk Tidsskrift (Norge). ISSN 0018-263X. 88(2), p. 231–249.
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Hestmark, Geir (2009). New observations and records for Umbilicaria (Umbilicariaceae) in Bolivia. The Bryologist. ISSN 0007-2745. 112(4), p. 833–838.
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Sundquist, B; Haapala, I; Hansen, JM; Hestmark, Geir & Steinthorssons, S (2008). History of geology in Norden. Episodes. ISSN 0705-3797. 31.
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Hestmark, Geir (2008). "A primitive country of rocks and people" - R.I. Murchison's Silurian compaign in Norway, 1844. Norsk Geologisk Tidsskrift. ISSN 0029-196X. 88, p. 117–141.
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Hibbett, DS; Binder, M; Bischoff, JF; Blackwell, M; Cannon, PF & Eriksson, OE [Show all 67 contributors for this article] (2007). A higher-level phylogenetic classification of the Fungi. Mycological Research. ISSN 0953-7562. 111, p. 509–547. doi: 10.1016/j.mycres.2007.03.004.
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Hestmark, Geir; Skogesal, Olav & Skullerud, Øystein (2007). Early recruitment equals long-term relative abundance in an alpine saxicolous lichen guild. Mycologia. ISSN 0027-5514. 99(2), p. 207–214.
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Hestmark, Geir (2007). Typification of Umbilicaria cinereorufescens. Mycotaxon. ISSN 0093-4666. 100, p. 235–240.
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Gregersen, Inger Katharina; Hegseth, Marit Nøst; Hestmark, Geir; Kongsbak, Ruth Helene & Moe, Therese Fosholt (2006). The relationship between thallus mass, surface area and apothecium production in Umbilicaria rigida. Nova Hedwigia: Zeitschrift für Kryptogamenkunde. ISSN 0029-5035. 82.
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Hestmark, Geir (2005). Michael Sars. In Arntzen, Jon Gunnar (Eds.), Bergensere i tusen år. Fra Olav Kyrre til Sissel Kyrkjebø. Kunnskapsforlaget. p. 157–158.
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Hestmark, Geir; Skogesal, Olav & Skullerud, Øystein (2005). Growth, population density and population structure of Cetraria nivalis during 240 years of primary colonization. The Lichenologist. ISSN 0024-2829. 37, p. 535–541.
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Rydgren, Knut; Økland, Rune H. & Hestmark, Geir (2004). Disturbance severity and community resilience in a borealforest. Ecology. ISSN 0012-9658. 85, p. 1906–1915. Show summary
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Hestmark, Geir (2004). Kartleggerne. In Drivenes, E.A. & Jølle, Harald Dag (Ed.), Norsk Polarhistorie, II "Vitenskapene". Gyldendal Norsk Forlag A/S. ISSN 82-05-32656-8. p. 6–103, 493-504.
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Rydgren, K.; Økland, Rune Halvorsen & Hestmark, Geir (2004). Disturbance severity and community resilience in a boreal forest. Ecology. ISSN 0012-9658. 85, p. 1906–1915.
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Hestmark, Geir; Skogesal, Olav & Skullerud, Øystein (2004). Growth in the alpine saxicolous lichens Allantoparmelia alpicola and Melanelia stygia. Nova Hedwigia: Zeitschrift für Kryptogamenkunde. ISSN 0029-5035. 78(3-4), p. 301–309. doi: 10.1127/0029-5035/2004/0078-03.
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Hestmark, Geir; Skogesal, Olav & Skullerud, Øystein (2004). Growth, reproduction, and population structure in four alpine lichens during 240 years of primary colonization. Canadian Journal of Botany. ISSN 0008-4026. 82, p. 1356–1362. doi: 10.1139/B04-068.
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Hestmark, Geir (2003). Narrating the Arctic - A cultural history of Nordic scientific practices. Historisk Tidsskrift (Norge). ISSN 0018-263X. 82, p. 307–310.
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Hestmark, Geir (2002). Materialisme - fosfor til ettertanke, Vitenskapens utfordringer, 1850 - 1920 (= Norsk idéhistorie bind IV). Aschehoug & Co. ISSN 8203224849. p. 70–125.
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Hestmark, Geir (2002). Darwinisme - optimisme eller pessimisme? Vitenskapens utfordringer, 1850 - 1920 (= Norsk idéhistorie bind IV). Aschehoug & Co. ISSN 8203224849. p. 126–155.
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Hestmark, Geir (2002). Nytten og nytelsen - positivisme, Vitenskapens utfordringer, 1850 - 1920 (= Norsk idéhistorie bind IV). Aschehoug & Co. ISSN 8203224849. p. 156–183.
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Hestmark, Geir (2002). Norsk natur - beskrivelse, bruk, bevaring, Vitenskapens utfordringer, 1850 - 1920 (= Norsk idéhistorie bind IV). Aschehoug & Co. ISSN 8203224849. p. 272–291.
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Hestmark, Geir (2002). Det målbare menneske, Vitenskapens utfordringer, 1850 - 1920 (= Norsk idéhistorie bind IV). Aschehoug & Co. ISSN 8203224849. p. 330–355.
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Hestmark, Geir (2002). Rett og samfunn, Vitenskapens utfordringer, 1850 - 1920 (= Norsk idéhistorie bind IV). Aschehoug & Co. ISSN 8203224849. p. 418–444.
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Hestmark, Geir; Rasmussen, Tarald & Bliksrud, Liv (2002). Posisjoner i det moderne, Vitenskapens utfordringer, 1850 - 1920 (= Norsk idéhistorie bind IV). Aschehoug & Co. ISSN 8203224849. p. 9–22.
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Ramstad, Stine & Hestmark, Geir (2001). Population structure and size-dependent reproductive effort in Umbilicaria spodochroa. Mycologia. ISSN 0027-5514. 93, p. 453–458.
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Hestmark, Geir (2001). Fridtjof Nansens Fond til Videnskabens Fremme - Grunnleggelsen. Fridtjof Nansen Minneforelesning År 2000. Årbok / Det norske videnskaps-akademi. ISSN 0332-6209.
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Ramstad, Stine & Hestmark, Geir (2000). Effective neighbourhoods for a saxicolous lichen. Mycological Research. ISSN 0953-7562. 104, p. 198–204.
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Hestmark, Geir (2000). The ecophysiology of lichen population ecology. Bibliotheca Lichenologica. ISSN 1436-1698. 75, p. 397–404.
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Hestmark, Geir (2000). Oeconomia Naturae L. Millennium Essay. Nature. ISSN 0028-0836. 405, p. 19–19.
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Hestmark, Geir (2000). Temptations of the tree. Millennium Essay. Nature. ISSN 0028-0836. 408, p. 911–911.
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Czeczuga, B.; Kilias, H.; Lumbsch, T. & Hestmark, Geir (2000). Carotenoids in the thalli of lichen species from central Europe. Journal of the Hattori Botanical Laboratory. ISSN 0073-0912. 89, p. 299–311.
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Sletvold, Nina & Hestmark, Geir (1999). A comparative test of the predictive power of neighbourhood models in natural populations of Lasallia pustulata. Canadian Journal of Botany. ISSN 0008-4026. 77, p. 1655–1661.
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Hestmark, Geir (2020). Lykkeskipet Bergensfjord. Verdenskrig og etterkrigsår 1939-1959. Kagge Forlag AS. ISBN 978-82-489-2619-1. 588 p.
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Hestmark, Geir (2017). Istidens Oppdager. Jens Esmark, pioneren i Norges fjellverden. Kagge Forlag AS. ISBN 978-82-489-2027-4. 720 p.
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Hestmark, Geir (2011). Fridtjof Nansen og arktisk geologi. Det Norske Videnskaps-Akademi. ISBN 978-82-7099-647-6. 30 p.
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Hestmark, Geir (2011). Fridtjof Nansen Minneforelesninger 50 år. Novus Forlag. ISBN 978-82-7099-647-6. 13 p.
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Hestmark, Geir (2004). Umbilicaria. In Nash, TH, Ryan, BD, Gries, C, Diederich, P. & Bungartz, F. eds.: Lichen Flora of the Greater Sonoran Desert Region. Vol 2. pp. 548-556. University of Arizona. 9 p.
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Bliksrud, Liv; Hestmark, Geir & Rasmussen, Tarald (2002). Vitenskapens utfordringer, 1850 - 1920 (= Norsk idéhistorie bind IV). Aschehoug & Co. ISBN 8203224849. 478 p.
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Hestmark, Geir (2023). Jens Esmarks veier til Istiden. geo365.no.
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Hestmark, Geir (2023). En ny lesning av landskapet - Jens Esmarks veier til Istiden. Geo. ISSN 1500-8371. 2023(1), p. 34–39.
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Hestmark, Geir (2021). Siste livbåt fra et synkende Europa. Avisa Vårt land.
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Hestmark, Geir (2019). On the altitudes of von Humboldt. Proceedings of the National Academy of Sciences of the United States of America. ISSN 0027-8424. 116(26), p. 12599–12600. doi: 10.1073/pnas.1907936116.
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Hestmark, Geir (2017). Oppdagelsen av istiden. Aftenposten Historie. ISSN 1894-5775. 2017(9), p. 81–85.
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Hestmark, Geir; Øyvind, Nordli; Benestad, Rasmus & Isaksen, Ketil (2015). Formidabel temperaturauke. Aftenposten (morgenutg. : trykt utg.). ISSN 0804-3116.
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Hestmark, Geir (2014). Review of T. Krüger: The Discovery of Ice Ages (2013. Isis. ISSN 0021-1753. 105(2), p. 416–417.
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Hestmark, Geir (2014). Christian Frederiks siste erindring om Norge. Geo. ISSN 1500-8371. 17(3), p. 10–11.
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Hestmark, Geir (2014). Charles Lyells norske lærebokeksempel. Geo. ISSN 1500-8371. 17(7), p. 72–72.
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Hestmark, Geir (2013). Oppdagelsen av fjellet.
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Hestmark, Geir (2013). Comment to lecture On learning from history by Qvigstad, Norges Bank. Norges banks skriftserie. ISSN 0802-7188. 46, p. 57–59.
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Hestmark, Geir; Miadlikowska, Jolanta; Kauff, Frank; Fraker, Emily; Molnar, Katalin & Lutzoni, Francois (2011). Erratum. Mycologia. ISSN 0027-5514. 103(2), p. 442–443. doi: 10.3852/103.2.442.
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Hestmark, Geir (2011). Hvem oppdaget larvikitten? Forskningsnytt fra 1700-tallet. Geo. ISSN 1500-8371. 14(7), p. 32–35.
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Hestmark, Geir (2011). Naturens tankelæser. En biografi om Hans Christian Ørsted. Historisk Tidsskrift (Norge). ISSN 0018-263X. 90(2), p. 279–282.
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Hestmark, Geir (2010). Vitenskap og dannelse.
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Hestmark, Geir (2010). Jens Esmark's Paths to the Ice Age.
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Hestmark, Geir (2010). Jens Esmark som klimaforsker.
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Hestmark, Geir (2009). Hva en forsker trenger. Aftenposten (morgenutg. : trykt utg.). ISSN 0804-3116.
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Hestmark, Geir (2009). Michael Sars - Store norske leksikon, snl.no., Geir Hestmark, 2009-03-23, http:///www.snl.no/.nbl_biografi/Michael_Sars/utdypning. Aschehougs og Gyldendals Store Norske Leksikon.
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Hestmark, Geir (2009). Georg Ossian Sars - Store norske leksikon, snl.no, Geir Hestmark, 2009-03-23, http://www.snl.no/.nbl_biografi/G_O_Sars/utdypning. Aschehougs og Gyldendals Store Norske Leksikon.
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Hestmark, Geir (2009). Iacob D. Sømme - Store norske leksikon, snl.no, Geir Hestmark, 2009-03-23, http://www.snl.no/.nbl_biografi/Iacob_D_S%C3%B8mme/utdypning. Aschehougs og Gyldendals Store Norske Leksikon.
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Hestmark, Geir (2009). Sem Sæland - Store norske leksikon, snl.no, Geir Hestmark, 2009-03-23, http://www.snl.no/.nbl_biografi/Sem_S%C3%A6land/utdypning. Aschehougs og Gyldendals Store Norske Leksikon.
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Hestmark, Geir (2009). Da Dovre falt. (GEO365.no. Nettavisen for geomiljøet - www.geoaktuelt/forskning/dadovrefalt/). Geo. ISSN 1500-8371.
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Hestmark, Geir (2009). Da Dovre falt. Geo. ISSN 1500-8371. 12(4), p. 16–17.
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Hestmark, Geir (2009). Sula-konglomeratet - fra fossilparadis til istidsbevis. Geo. ISSN 1500-8371. 12(8), p. 32–35.
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Hestmark, Geir (2009). Sula-konglomeratet. GEO365.no Nettavisen for geomiljøet. http://www.geo365.no/forskning/sula/ 07.12.2009. Geo. ISSN 1500-8371.
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Hestmark, Geir (2009). Missing links - hvor viktige er de? (www.forskning.no/artikler/2009/mai/221059). [Internet]. forskning.no.
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Hestmark, Geir (2008). Et (fiktivt) intervju med lektor Theodor Kjerulf i anledning opprettelsen av en geologisk undersøkelse. Geo. ISSN 1500-8371. 11(1), p. 50–52.
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Hestmark, Geir (2007). Innavl ved Universitetet. (Kronikk 23 april 2007). Aftenposten (morgenutg. : trykt utg.). ISSN 0804-3116.
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Hestmark, Geir (2005). Sæland, Sem. In Arntzen, Jon Gunnar (Eds.), Norsk biografisk leksikon: Sundt-Wikborg. Kunnskapsforlaget. ISSN 82-573-1011-5. p. 64–65.
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Hestmark, Geir (2005). Sømme, Iacob. In Arntzen, Jon Gunnar (Eds.), Norsk biografisk leksikon: Sundt-Wikborg. Kunnskapsforlaget. ISSN 82-573-1011-5. p. 77–78.
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Hestmark, Geir & NRK , TV1 (2005). Tre menn og et glansbilde. [TV]. NRK.
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Hestmark, Geir (2005). Agent og nasjonsbygger s.24-27. [Newspaper]. Dagsavisen.
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Hestmark, Geir (2004). Sars, Georg Ossian. In Arntzen, Jon Gunnar (Eds.), Norsk biografisk leksikon: Sand-Sundquist. Kunnskapsforlaget. ISSN 82-573-0734-3. p. 47–49.
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Hestmark, Geir (2004). Sars, Michael. In Arntzen, Jon Gunnar (Eds.), Norsk biografisk leksikon: Sand-Sundquist. Kunnskapsforlaget. ISSN 82-573-0734-3. p. 49–50.
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Hestmark, Geir (2003). Da materialismen kom til Norge. [Radio]. P2.
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Hestmark, Geir (2001). Ernst Haeckel i Bergen, 1869. Bergens Tidende. ISSN 0804-8983.
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Hestmark, Geir (2001). Frans Emil Wielgolaski - 70 år. Blyttia : Norsk botanisk forenings tidsskrift. ISSN 0006-5269. 59, p. 138–142.
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Hestmark, Geir (2000). Umbilicaria aprina Nyl. -- an extreme lichen. Norwegian fungus of the month. IMC7 - Web. pages, Dept. of Biology, UiO. p. 1–14.
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Hestmark, Geir (2000). Program om Sonja Kovalevski. [Radio]. NRK-P2.
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Hestmark, Geir (2000). Verdt å vite - Om W.C.Brøgger. [Radio]. NRK-P2.
Published
Mar. 17, 2014 2:47 PM
- Last modified
Mar. 13, 2024 1:29 PM