Hilary Helen
Birks
Professor
Visit Address:
Thormøhlensgt. 53 A/B
5020 Bergen
Postal Address:
Postboks 7803
5020 Bergen
Phone:
+47 55 58 33 25
E-mail:
Plant macrofossil analysis, palaeoecology, vegetation history, biogeography, late-glacial, Holocene, climate change, radiocarbon dating and chronology, palaeolimnology, atmospheric CO2 reconstruction from the stomatal density of leaves, aquatic macrophytes.
Books
- 2004. The cultural landscape - Past, present and future. Cambridge University Press. 521 pages.
- 1996. Holocene treeline oscilations, dendrochronology and paleocl imate. ISBN: 3-437-25386-7.
- 1996. Holocene treeline oscilations, dendrochronology and paleoclimate (special issue of periodical: Pal@æoklimaforschung = Paleoclimate Research. 301 pages. ISBN: 3-437-25386-7.
- 1988. The Cultural Landscape - Past, Present and Future. Cambridge University Press.
- 1988. The Cultural Landscape - Past, Present and Future. Cambridge University Press.
Journal articles
- 2014. Late-glacial and early-Holocene climate variability reconstructed from multi-proxy records on Andøya, northern Norway. Quaternary Science Reviews. 89: 108-122. doi: 10.1016/j.quascirev.2014.01.018
- 2014. Identifying the driving factors behind observed elevational range shifts on European mountains. Global Ecology and Biogeography. 23: 876-884. doi: 10.1111/geb.12170
- 2014. IntCal13 calibrated ages of the Vedde and Saksunarvatn ashes and the Younger Dryas boundaries from Kråkenes, western Norway. Journal of Quaternary Science. 29: 506-507. doi: 10.1002/jqs.2722
- 2014. Looking forward through the past: identification of 50 priority research questions in palaeoecology. Journal of Ecology. 102: 256-267. doi: 10.1111/1365-2745.12195
- 2013. Vegetation responses to late-glacial climate changes in western Norway. Preslia (Praha). 85: 215-237.
- 2013. Soil mineral depletion drives early Holocene lake acidification. Geology. 41: 415-418. doi: 10.1130/G33907.1
- 2013. Precise 14C ages of the Vedde and Saksunarvatn ashes and the Younger Dryas boundaries from western Norway and their comparison with the Greenland Ice Core (GICC05) chronology. Journal of Quaternary Science. 28: 490-500. doi: 10.1002/jqs.2640
- 2013. Stratigraphic expressions of the Holocene-Anthropocene transition revealed in sediments from remote lakes. Earth-Science Reviews. 116: 17-34. doi: 10.1016/j.earscirev.2012.11.001
- 2012. Vegetation responses to rapid climate changes during the last deglaciation 13 500 - 8000 years ago on southwest Andøya, arctic Norway. Vegetation History and Archaeobotany. 21: 17-35. doi: 10.1007/s00334-011-0320-4
- 2012. Quantitative climate reconstruction from late-glacial and early Holocene plant macrofossils in western Norway using the probability density function approach. Review of Palaeobotany and Palynology. 170: 27-39. doi: 10.1016/j.revpalbo.2011.11.001
- 2012. Comment on "Glacial survival of boreal trees in northern Scandinavia". Science. 338: 742-742. doi: 10.1126/science.1225345
- 2012. From cold to cool in northernmost Norway: Lateglacial and early Holocene multi-proxy environmental and climate reconstructions from Jansvatnet, Hammerfest. Quaternary Science Reviews. 33: 100-120. doi: 10.1016/j.quascirev.2011.11.013
- 2012. High resolution Late-glacial and early-Holocene summer air temperature records from Scotland inferred from Chironomid assemblages. Quaternary Science Reviews. 41: 67-82. doi: 10.1016/j.quascirev.2012.03.007
- 2012. Macrofossils in Raraku Lake (Easter Island) integrated with sedimentary and geochemical records: towards a palaeoecological synthesis for the last 34,000 years. Quaternary Science Reviews. 34: 113-126. doi: 10.1016/j.quascirev.2011.12.013
- 2012. Are fossil assemblages in a single sediment core from a small lake representative of total deposition of mite, chironomid, and plant macrofossil remains? Journal of Paleolimnology. 48: 669-691. doi: 10.1007/s10933-012-9637-y
- 2011. New age estimates and climatostratigraphic correlations for the Borrobol and Penifiler Tephras: evidence from Abernethy Forest, Scotland. Journal of Quaternary Science. 26: 247-252. doi: 10.1002/jqs.1498
- 2011. Lateglacial vegetation development in Denmark - New evidence based on macrofossils and pollen from Slotseng, a small-scale site in southern Jutland. Quaternary Science Reviews. 30: 2534-2550. doi: 10.1016/j.quascirev.2011.04.018
- 2010. Can we detect a west Norwegian tree line from modern samples of plant remains and pollen? Results from the DOORMAT project. Vegetation History and Archaeobotany. 19: 325-340. doi: 10.1007/s00334-010-0256-0
- 2010. Eastern Cape Odyssey. Alpine Gardener. 78: 422-444.
- 2010. Lateglacial and early Holocene vegetation and climate gradients in the Nordfjord-Alesund area, western Norway. Boreas. 39: 783-798. doi: 10.1111/j.1502-3885.2010.00161.x
- 2010. Oribatid mite assemblages across the tree-line in western Norway and their representation in lake sediments. Journal of Paleolimnology. 44: 361-374. doi: 10.1007/s10933-010-9411-y
- 2010. Long-term ecosystem dynamics of a small lake and its catchment in west Greenland. The Holocene. 20: 1207-1222. doi: 10.1177/0959683610371995
- 2010. Palaeoenvironmental and palaeoseismic implications of a 3700-year sedimentary record from proglacial Lake Barrancs (Maladeta Massif, Central Pyrenees, Spain). Palaeogeography, Palaeoclimatology, Palaeoecology. 294: 83-93. doi: 10.1016/j.palaeo.2009.04.003
- 2009. Rapid oceanic and atmospheric changes during the Younger Dryas cold period. Nature Geoscience. 2: 202-205. doi: 10.1038/NGEO439
- 2009. Early Weichselian interstadial (MIS 5c) summer temperatures were higher than today in northern Fennoscandia. Quaternary Science Reviews. 28: 777-782. doi: 10.1016/j.quascirev.2009.01.004
- 2008. Biological responses to rapid climate change at the Younger Dryas-Holocene transition at Kråkenes, western Norway. The Holocene. 18: 19-30. doi: 10.1177/0959683607085572
- 2008. The Late-Quaternary history of arctic and alpine plants. Plant Ecology & Diversity. 1: 135-146. doi: 10.1080/17550870802328652
- 2008. Alpines on the equator. Alpine Gardener. 76: 426-435.
- 2008. The ecological implications of a Yakutian mammoth's last meal. Quaternary Research. 69: 361-376. doi: 10.1016/j.yqres.2008.02.004
- 2007. Winifred Tutin (1915-2007). Journal of Paleolimnology. 38: 601-605. doi: 10.1007/s10933-007-9152-8
- 2007. The AGS in Tibet 2005. Quarterly Bulletin of the Alpine Garden Society. 75: 289-349.
- 2007. Planter og fortidens klima. Ottar. 265: 32-38.
- 2006. Expedition Northern Patagonia November-December 2005. Quarterly Bulletin of the Alpine Garden Society. 55 pages.
- 2006. Derek Almey Ratcliffe, B.Sc., Ph.D., D.Sc. (1929-2005). Journal of Bryology. 28: 71-75. doi: 10.1179/174328206X104589
- 2006. Multi-proxy studies in palaeolimnology. Vegetation History and Archaeobotany. 15: 235-251. doi: 10.1007/s00334-006-0066-6
- 2006. On the presence of late-glacial trees in western Norway and the Scandes: a further comment. Journal of Biogeography. 33: 376-377. doi: 10.1111/j.1365-2699.2005.01437
- 2006. Changes in North Atlantic radiocarbon reservoir ages during the Allerod and Younger Dryas. Science. 312.
- 2006. Changes in North Atlantic Radiocarbon Reservoir Ages During the Allerød and Younger Dryas. Science. 312: 1514-1517. doi: 10.1126/scince.1123300
- 2006. Stomatal frequency of Betula pubescens and Pinus sylvestris shows no proportional relationship with atmospheric CO2 concentration. Nordic Journal of Botany. 24: 327-339.
- 2006. Holocene forest development along the Setesdal valley, southern Norway, reconstructed from macrofossil and pollen evidence. Vegetation History and Archaeobotany. 15: 65-85. doi: 10.1007/s00334-005-0025-7
- 2006. Spatial representation of aquatic vegetation by macrofossils and pollen in a small and shallow lake. Journal of Paleolimnology. 35: 335-350. doi: 10.1007/s10933-005-1336-5
- 2005. Derek Almey Ratcliffe. Plant Talk. 41: 40-41.
- 2005. On the presence of late-glacial trees in western Norway and the Scandes: a further comment. Journal of Biogeography. 33: 376-378.
- 2005. Did tree-Betula, Pinus and Picea survive the last glaciation along the west coast of Norway? A review of the evidence, in light of Kullman (2002). Journal of Biogeography. 32: 1461-1471. doi: 10.1111/j.1365-2699.2005.01287
- 2004. On the Jhomolhari Trail. Alpine Gardener. 72: 269-297.
- 2004. Paleoecology - The rise and fall of forests. Science. 305: 484-485.
- 2004. The Rise and Fall of Forests. Science. 305: 484-485.
- 2004. Lily beetles in Norway. Alpine Gardener. 72: 6-7.
- 2004. Holocene vegetation and climate history on a continental-oceanic transect in northern Fennoscandia based on pollen and plant macrofossils. Boreas. 33: 211-223.
- 2003. Knut Fægri (1909-2001). Watsonia. 24. 462-464.
- 2003. Up the Wall. Alpine Gardener. 71: 279-280.
- 2003. The importance of plant macrofossils in the reconstruction of Lateglacial vegetation and climate: examples from Scotland, western Norway, and Minnesota, USA. Quaternary Science Reviews. 22: 453-473.
- 2002. Louseworts in Sichuan and Qinghai. Alpine Gardener. 70: 296-304.
- 2002. Knut Fægri. Plant Talk. 28: 10.
- 2002. Anemone, Arenaria, Astragalus, Braya, Chrysosplenium, Corydalis, Draba, Gentiana, Gentianopsis, Halenia, and Comastoma, Gueldenstaedtia, Hedysarum, Koenigia, Oxytropis, Parnassia, Potentilla, Pyrola, Rhodiola, Saxifraga, Sedum, Sibbaldia, Silene, Soroseris, and Trollius. The Holocene. 70: 313-342.
- 2002. The recent extinction of Azolla nilotica in the Nile Delta, Egypt. Acta Palaeobotanica. 42: 203-214.
- 2002. Cremanthodium and Ligularia in Sichuan and Qinghai. Alpine Gardener. 70: 318-320.
- 2002. Primula in Sichuan and Qinghai. Alpine Gardener. 70: 334-338.
- 2002. Recent environmental change in North African wetland lakes: diatom and other stratigraphic evidence from nine sites in the CASSARINA Project. Aquatic Ecology. 35: 369-388.
- 2002. Rapid climatic changes during the Greenland stadial 1 (Younger dryas) to early Holocene transition on the Norwegian Barents sea coast. Boreas. 31: 215-225.
- 2002. Late-glacial and early-Holocene Trichoptera (Insecta) from Kråkenes Lake, western Norway. What Trichoptera fossil remains tell us about climatic changes. Proceedings of the 10th International Symposium on Trichoptera - Nova Supplement Entomologicae. 15: 75-80.
- 2001. Radiometrically determined dates and sedimentation rates for recent sediments in nine North African wetland lakes (the CASSARINA Project). Aquatic Ecology. 35: 347-367.
- 2001. Recent ecosystem dynamics in nine North African lakes in the CASSARINA Project. Aquatic Ecology. 35: 461-478.
- 2001. Palaeolimnological responses of nine North Africanlakes in the CASSARINA Project to recent environmental changes and human impact detected by plant macrofossil, pollen, and faunal analyses. Aquatic Ecology. 35: 405-430.
- 2001. The identification of wingless Betula fruits in Weichselian sediments in the Gross Todtshorn borehole (Lower Saxony, Germany) - the occurrence of Betula humilis Schrank. Vegetation History and Archaeobotany. 10: 107-115.
- 2001. Full-glacial upland tundra vegetation preserved under tephra in the Beringia National Park, Seward Peninsula, Alaska. Quaternary Science Reviews. 20: 135-147.
- 2001. Species-environmental relationships of aquatic macrophytes in Northern Ireland. Aquatic Botany. 70: 175-223.
- 2001. Inter-regional corrlatio of palaeoclimatic records for the Last Glacial-Interglacial Transition: a protocol for improved precision recommended by the INTIMATE project group. Quaternary Science Reviews. 20: 1175-1187.
- 2001. Terrestrial pollen record of recent land-use changes around nine North African lakes in the CASSARINA project. Aquatic Ecology. 35: 431-448.
- 2001. Open water zooplankton communities in North African wetland lakes: th CASSARINA Project. Aquatic Ecology. 35: 319-333.
- 2001. Zooplankton (Cladocera, Ostracoda), Chironomidae and other benthic faunal remains in sediment cores from nine North African wetland lakes: the CASSARINA Project. Aquatic Ecology. 35: 389-403.
- 2000. Aquatic macrophyte vegetation development in Kråkenes Lake, western Norway, during the late-glacial and early-Holocne. Journal of Paleolimnology. 23: 7-19.
- 2000. Late-Glacial and Early-Holocene Climate Reconstructions at Kråkenes Lake, a West Norwegian Point on PEP III. Pages. 8: 17-18.
- 2000. Two terrestrial records of rapid climatic change during the glacial - Holocene transition (14,000 - 9,000 calendar years B.P.) from Europe. MANGLER. 97: 1390-1394.
- 2000. The develoopment of the aquatic ecosystem at Kråkenes Lake, western Norway, during the late-glacial and early-Holocene - a synthesis. Journal of Paleolimnology. 23: 91-114.
- 2000. Searching for alpines in the wild. Quarterly Bulletin of the Alpine Garden Society. 68: 48-52.
- 2000. Future uses of pollen analysis must include plant macrofossils. Journal of Biogeography. 27. 31-35.
- 2000. Introduction to the reconstruction of the late-glacial and early-Holocene aquatic ecosystems at Kråkenes Lake, Norway. Journal of Paleolimnology. 23: 1-5.
- 2000. Late-glacial and early-Holocene Trichoptera (Insecta) from Kråkenes Lake, western Norway. Journal of Paleolimnology. 21: 1-8.
- 2000. Diatom responses to late-glacial and early-Holocene environmental changes at Kråkenes, western Norway. Journal of Paleolimnology. 23: 21-34.
- 2000. The late-glacial and early-Holocene palaeoecology of cladoceran microfossil assemblages at Kråkenes, western Norway, with a reconstruction of temperature changes. Journal of Paleolimnology. 23: 67-76.
- 2000. Late-glacial and early-Holocene Trichoptera (Insecta) from Kråkenes Lake, western Norway. Journal of Paleolimnology. 21: 1-8.
- 1999. Stomata åpner for CO2-studier. Naturen. 123: 189-199.
- 1999. Early Holocene atmospheric CO2 concentrations. Science. 286: 1815-1816.
- 1999. Early Holocene Atmospheric CO2 concentrations. Science. 286: 1815-1816.
- 1999. Late Weichselian marine 14C reservoir ages at the western coast of Norway. Quaternary Research. 52: 104-114.
- 1999. Late-Weichselian marine 14 C reservoirages at the western coast of Norway. Quaternary Research. 52: 104-114.
- 1999. Late weichselian marine 14C reservoir ages at the western coast of Norway. Quaternary Research. 52: 102-114.
- 1999. The chronology of palaeoenvironmental changes during the Last Glacial-Holocene transition: towards an event stratigraphy for the British Isles. Journal of the Geological Society. 156: 397-410.
- 1999. Climate variations in Britain during the Last glacial - Holocene transition (15.0-11.5 cal Ka BP): comparison with the GRIP ice-core record. Journal of Geological Society of London. 156: 411-423.
- 1998. An event stratigraphy for the Last Termination in the North Atlantic region based on the Greenland ice-core record, a proposal by the INTIMATE grou. Journal of Quaternary Science. 13. 283-292.
- 1998. A calendar age estimate of the Younger Dryas-Holocene boundary at Kråkenes, western Norway. The Holocene. 8: 249-259.
- 1997. With AGS in Northern California. Quarterly Bulletin of the Alpine Garden Society. 65: 163-173.
- 1997. A reconstruction of the aquatic ecosystem development Kråkenes Lake, Norway, during the late-glacial and early Holocene. Würzburger Geographische Manuskripte. 41: 31-32.
- 1997. Betula species in the west Norwegian late-glacial interstadial and early Holocene, and the reconstruction of climate gradients. Geonytt. 24: 102-102.
- 1997. Late Wisconsin environments of the Bering Land Bridge. Palaeogeography, Palaeoclimatology, Palaeoecology. 136: 293-308. Published 1997-12-15.
- 1996. The Kråkenes Late-glacial Palaeolimnological Project. Journal of Paleolimnology. 281-286.
- 1996. The Kråkenes Late-glacial Palaeoenvironmental Project. Journal of Paleolimnology. 15: 281-286.
- 1996. The Kråkenes Late-glacial Palaeoenvironmental Project. Journal of Paleolimnology. 15: 281-286.
- 1996. New radiocarbon dates for the Vedde ash and the Saksunarvatn ash from western Norway. Quaternary Research. 0045: 119-127.
- 1996. Holocene treelines, Dendrochronology and Palaeoclimate. Paläoklimaforschung. 21. 1-18.
- 1996. Distinguishing fossil Betula nana and B. pubescens using their wingless fruits: implications for the late-glacial vegetational history of western Norway. Vegetation History and Archaeobotany. 5: 229-240.
- 1996. Life and times of the Bering land bridge. Nature. 382: 60-63. Published 1996-07-04.
- 1996. Distinguishing fossil Betula nana and B. pubescens using their wingless fruits: Implications for the late-glacial vegetational history of western Norway. Vegetation History and Archaeobotany. 5: 229-240.
- 1995. Rapid Communication Rapid late-glacial atmospheric CO2 changes reconstructed from the stomatal density record of fossil leaves. Journal of Quaternary Science. 10: 379-384. Published 1995-09-11.
- 1995. By the road on the Furka Pass. Quarterly Bulletin of the Alpine Garden Society. 63: 44-45.
- 1995. Late-glacial mosses and environmental reconstructions at Kråkenes, western Norway. Lindbergia. 20. 64-82.
- 1994. The importance of plant macrofossils in late-glacial climatic reconstructions: an example from western Norway. Quaternary Science Reviews. 12: 719-726.
- 1994. Plant macrofossils and the nunatak theory of per-glacial survival. Dissertationes Botanicae. 234: 129-143.
- 1994. Late-glacial vegetational ecotones and climatic patterns in Western Norway. Vegetation History and Archaeobotany. 3: 107-119.
- 1994. Late Weichselian environmental change in Norway, including Svalbard. Journal of Quaternary Science. 9: 133-145.
- 1994. Late Weichselian environmental change in Norway, including Svalbard. Journal of Quaternary Science. 9: 133-145.
- 1994. Climatic changes in areas adjacent to the Northe Atlantic during the last glacial-interglacial transition (14-9 ka BP): a contribution to IGCP - 253. Journal of Quaternary Science. 9: 185-198.
- 1994. Investigations towards the reconstruction of the late-glacial environment at Lurga, S. E. Burren. I. The sedimentary record and the pollen and macrofossil evidence. IQUA Guide to the Burren.
- 1993. Palaeoecology of a late Allerød peat bed at Godøy, western Norway. Journal of Quaternary Science. 8: 147-159.
- 1993. The ecology and conservation of the Killarney Fern (Trichomanes speciosum Willd.) in Britain and Ireland. Biological Conservation. 66: 231-247.
- 1992. Notes on the flora and vegetation of Canna and Sanday. Botanical Journal of Scotland. 46: 15-26.
- 1991. Late Weichselian flora and vegetation of Andøya, Northern Norway - macrofossil (seed and fruit) evidence from Nedre Æråsvatn. Nordic Journal of Botany. 11: 465-476.
Reports and theses
- 2004. An experiment to imrove scientific communication skills amongst Norwegian students. Universitets pedogogisk utviklingsarbeid i Bergen., Bergen. 9 pages.
Book sections
- 2014. 14 entries. 14 entries, pages . In:
- 2014. Encyclopedia of Environmental Change. Sage Publications. 1369 pages. ISBN: 978-1-4462-4711-2.
- 2013. Late glacial multidisciplinary studies including plant macrofossils. Chapter in Volume 3, pages 785-793. In:
- 2013. Encyclopedia of Quaternary Science, 2nd edition. Elsevier. 3888 pages. ISBN: 9780444536433.
- 2013. Plant Macrofossil Introduction. Section introduction, pages 593-612. In:
- 2013. Encyclopedia of Quaternary Science, 2nd edition. Elsevier. 3888 pages. ISBN: 9780444536433.
- 2013. Dedication - Bill Watts. Dedication, pages vi-vi. In:
- 2013. Encyclopedia of Quaternary Science, 2nd edition. Elsevier. 3888 pages. ISBN: 9780444536433.
- 2013. The contribution of plant macrofossil analysis to paleolimnology. Chapter in Volume 3, pages 657-673. In:
- 2013. Encyclopedia of Quaternary Science, 2nd edition. Elsevier. 3888 pages. ISBN: 9780444536433.
- 2007. Late glacial multidisciplinary studies. Late glacial multidisciplinary studies, pages 2475-2486. In:
- 2007. Encyclopedia of Quaternary Science, Four-Volume Set, 1-4. Elsevier. 3576 pages. ISBN: 0-444-51919-X.
- 2007. Plant macrofossil introduction. Plant macrofossil introduction., pages 2266-2288. In:
- 2007. Encyclopedia of Quaternary Science, Four-Volume Set, 1-4. Elsevier. 3576 pages. ISBN: 0-444-51919-X.
- 2007. Paleolimnological applications. Paleolimnological applications, pages 2337-2356. In:
- 2007. Encyclopedia of Quaternary Science, Four-Volume Set, 1-4. Elsevier. 3576 pages. ISBN: 0-444-51919-X.
- 2005. Exploratoty Comparisons of Quantitative Temperature Estimates Over the Last Deglaciation in Norway and the Norwegian Sea. 158, pages 341-354. In:
- 2005. The Nordic Seas - An Integrated Perspective. American Geophysical Union (AGU). 366 pages. ISBN: 0-87590-423-8.
- 2005. Endringar i marin 14C reservoaralder gjennom Preboreal-Yngre dryas-Allerød på vestkysten av Noreg. Abstract, pages 16-17. In:
- 2005. Abstracts and Proceedings of the Geological Society of Norway, 1, 2005. 131 pages. ISBN: 82-92394-22-2.
- 2003. Reconstructing Holocene climates from pollen and plant macrofossils. 342-357. In:
- 2003. Global Change in the Holocene.
- 2002. 17 contributions. In:
- 2002. Encyclopedic Dictionary of environmental change.
- 2001. Plant macrofossils. 49-74. In:
- 2001. Tracking Environmental Change using Lake Sediments.Volume 3: Terrestrial, Algal, and Siliceous Indicators.
- 2000. The amount of CO2 in the air breathed by the Iceman. 25-27. In:
- 2000. The Iceman and his Natural Environment. Springer.
- 2000. KRÅKENES: biotic responses and magnitudesof climatic change in the late-glacial and early Holocene. 109. In:
- 2000. Environmental Changes in Fennoscandia during the Late Quaternary. LUNDQUA. 37. MANGLER.
- 1999. Trichomanes speciosum Willd. 374. In:
- 1999. British Red Data Books 1. Vascular Plants.
- 1998. Quantifying bryophyte - environment relationships. 305-319. In:
- 1998. Bryology for the Twenty-first Century.
- 1996. Holocene treelines, dendrochronology and paleoclimate. (General introduction). 1-18. In:
- 1996. Holocene treeline oscilations, dendrochronology and paleocl imate. ISBN: 3-437-25386-7.
More information in national current research information system (CRIStin)
PhD, University of Cambridge
