Hjem
  • E-postJohn.Birks@uib.no
  • Telefon+47 55 58 33 50
  • Besøksadresse
    Thormøhlensgt. 53 A/B
  • Postadresse
    Postboks 7803
    5020 Bergen
Vitenskapelig artikkel
  • 2010. What caused the mid-Holocene forest decline on the eastern Tibet-Qinghai Plateau? Global Ecology and Biogeography. 278-286.
  • 2010. Quantifying recent ecological changes in remote lakes of North America and Greenland using sediment diatom assemblages. PLOS ONE.
  • 2010. Oribatid mite assemblages across the tree-line in western Norway and their representation in lake sediments. Journal of Paleolimnology. 361-374.
  • 2010. Holocene land-cover changes on the Tibetan Plateau. The Holocene. 91-104.
  • 2010. Holocene climate and environmental history of Brurskardstjørni, a lake in the catchment of Øvre Heimdalsvatn, south-central Norway. Hydrobiologia. 13-34.
  • 2010. Evaluating the indicator value of Tibetan pollen taxa for modern vegetation and climate. Review of Palaeobotany and Palynology. 197-208.
  • 2010. Early-Holocene temperature variability inferred from chironomid assemblages at Hawes Water, northwest England. The Holocene. 943-954.
  • 2010. Developing a modern pollen-climate calibration data set for Norway. Boreas. 674-688.
  • 2009. Variability in thermal and UV-B energy fluxes through time and their influence on plant diversity and speciation. Journal of Biogeography. 1630-1644.
  • 2009. The development and local stand-scale dynamics of a Picea abies forest in southeastern Norway. The Holocene. 1073-1082.
  • 2008. Exploring Holocene continentality changes in Fennoscandia using present and past tree distributions. Quaternary Science Reviews. 1296-1308.
  • 2007. Present-day temperatures in northern Scandinavia during the last glaciation. Geology. 987-990.
  • 2007. Estimating the amount of compositional change in Late-Quaternary pollen-stratigraphical data. Vegetation History and Archaeobotany. 197-202.
  • 2007. Are cladoceran fossils in lake sediment samples a biased reflection of the communities from which they are derived? Journal of Paleolimnology. 157-181.
  • 2007. A comparison of altitudinal species richness patterns of bryophytes with other plant groups in Nepal, Central Himalaya. Journal of Biogeography. 1907-1915.
  • 2006. Quantitative palaeotemperature records inferred from fossil pollen and chironomid assemblages from Lake Gilltjarnen, northern central Sweden. Journal of Quaternary Science. 831-841.
  • 2006. Holocene palaeoclimate reconstructions at Vanndalsvatnet, western Norway, with particular reference to the 8200 ca. yr BP event. The Holocene. 717-729.
  • 2006. Dispersal limitations matter for microbial morphospecies. Science. 1015-1015.
  • 2006. Derek Almey Ratcliffe, B.Sc., Ph.D., D.Sc. (1929-2005). Journal of Bryology. 71-75.
  • 2006. Aquatic biota and the detection of climate change: Are there consistent aquatic ecotones? Journal of Paleolimnology. 507-518.
  • 2005. Relationships between calibrated ages and depth in stratigraphical sequences: an estimation procedure by mixed-effect regression. The Holocene. 612-618.
  • 2005. Palaeolimnological evidence for recent climatic change in lakes from the northern Urals, arctic Russia. Journal of Paleolimnology. 463-482.
  • 2005. On the presence of late-glacial trees in western Norway and the Scandes: a further comment. Journal of Biogeography. 376-378.
  • 2005. Mind the gap: how open were European primeval forests? Trends in Ecology & Evolution. 154-156.
  • 2005. Holocene mean July temperature and winter precipitation in western Norway inferred from palynological and glaciological lake-sediment proxies. The Holocene. 177-189.
  • 2005. Holocene glacier history of Bjornbreen and climatic reconstruction in central Jotunheimen, Norway, based on proximal glaciofluvial stream-bank mires. Quaternary Science Reviews. 67-90.
  • 2005. Climate-driven regime shifts in the biological communities of arctic lakes. Proceedings of the National Academy of Sciences of the United States of America.
  • 2004. The intercept is a poor estimate of a calibrated radiocarbon age. The Holocene. 296-298.
  • 2004. The Rise and Fall of Forests. Science. 484-485.
  • 2004. The Dynamics of Chironomidae (Insecta: Diptera) Assemblages in Response to Environmental Change during the past 700 years on Svalbard. Journal of Paleolimnology. 483-498.
  • 2004. Recent environmental change and human impact on Svalbard: the lake-sediment geochemical record. Journal of Paleolimnology. 515-530.
  • 2004. Recent environmental change and atmospheric contamination on Svalbard as recorded in lake sediments - synthesis and general conclusions. Journal of Paleolimnology. 531-546.
  • 2004. Recent environmental change and atmospheric contamination on Svalbard as recorded in lake sediments - modern limnology, vegetation, and pollen deposition. Journal of Paleolimnology. 411-431.
  • 2004. Recent environmental change and atmospheric contamination on Svalbard as recorded in lake sediments - an introduction. Journal of Paleolimnology. 403-410.
  • 2004. Long-term effects of reclamation treatments on plant succession in Iceland. Restoration Ecology. 268-278.
  • 2004. Lake-Sediment Records of Recent Environmental Change on Svalbard: Results of Diatom Analysis. Journal of Paleolimnology. 445-466.
  • 2004. Biases in the estimation of transfer function prediction errors. Paleoceanography. 5 sider.
  • 2004. All age-depth models are wrong: but how badly? Quaternary Science Reviews. 1-5.
  • 1999. The altitudinal gradient of vascular plant richness in Aurland, western Norway. Ecography. 548-566.
  • 1999. The altitudinal gradient of vascular plant richness in Aurland, western Norway. Ecography. 548-566.
  • 1999. Plant species richness in Fennoscandia: evaluating the relative importance of climate and history. Nordic Journal of Botany. 489-503.
  • 1998. The comparative ecology of Polystichum aculeatum, P. braunii, and P. lonchitis in Hordaland, western Norway. Nordic Journal of Botany. 267-288.
  • 1998. Predicting changes in Fennoscandian vascular-plant species richness as a result of future climatic change. Journal of Biogeography. 111-122.
  • 1998. D.G. Frey & E.S. Deevey Review # 1 Numerical tools in palaeolimnologyProgress, potentialities, and problems. Journal of Paleolimnology. 307-332.
  • 1998. A. Modern diatom, cladocera, chironomid, and chrysophyte cyst assemblages as quantitative indicators for the reconstruction of past environmental conditions in the Alps. II. Nutrients. Journal of Paleolimnology. 443-463.
  • 1998. A numerical analysis of the mesoscale distribution patterns of vascular plants in the subarctic Kevo Nature Reserve, northern Finland. Journal of Biogeography. 123-146.
  • 1997. The separation of the influence of nutrients and climate on the varve time-series of Baldeggersee, Switzerland. Aquatic Sciences. 362-375.
  • 1997. Reconstructing temperature changes from cladoceran microfossil assemblages at the late-glacial site of Kråkenes, Western Norway. Würzburger Geographische Manuskripte. 63-64.
  • 1997. Numerical tools in fine-resolution palaeolimnology - progress, potentialities, and problems. Würzburger Geographische Manuskripte. 13-14.
  • 1997. Modern diatom, cladocera, chironomid, and chrysophyte cyst assemblages as quantitative indicators for the reconstruction of past environmental conditions in the Alps. I. Climate. Journal of Paleolimnology. 395-420.
  • 1997. Modelling modern pollen - climate relationships in Norway. Geonytt. 102-102.
  • 1997. Disentangling the influence of nutrients and climate in the varved sediments of Baldeggersee (Switzerland. Würzburger Geographische Manuskripte. 125-126.
  • 1997. Chironomidae from a laminated lake in Norway: a sensitive archive of lateglacial palaeoenvironments. Würzburger Geographische Manuskripte. 43-44.
  • 1997. AQUAREAL: A multi-proxy study of Holocene sediment archives in Alpine lakes. Würzburger Geographische Manuskripte. 127-128.
  • 1996. Variation in the geochemistry of recent lake sediments along a west-east pollution gradient in the Bergen area, Norway. Water, Air and Soil Pollution. 47-81.
  • 1996. Spatial and environmental components of variation in the distribution patterns of subarctic plant species at Kevo, N Finland - A case study the meso-scale level. Ecography. 341-351.
  • 1996. Quantitative Reconstruction of Past Land-use and Soil Conditions Using the Modern Analogue Approach - A Case Study in South Sweden. PACT (Strasbourg). 431-442.
  • 1996. Contributions of Quaternary palaeoecology to nature conservation. Journal of Vegetation Science. 89-98.
  • 1995. Late-glacial pollen and diatom changes in responses to two different environmental perturbations: volcanic eruption and the Younger Dryas cooling. Journal of Paleolimnology. 23-47.
  • 1993. The mid-Holocene Ulmus decline at Diss Mere, south-east England - disease and human impact? Vegetation History and Archaeobotany. 61-68.
  • 1993. The ecology and conservation of the Killarney Fern (Trichomanes speciosum Willd.) in Britain and Ireland. Biological Conservation. 231-247.
  • 1993. Prehistoric increases in the pH of acid-sensitive Swedish lakes caused by land-use changes. Nature. 824-827.
  • 1993. Impact of computer-intensive procedures in testing palaeoecological hypotheses. INQUA - Commission for the Study of the Holocene - Working Group on Data-Handling Methods Newsletter. 1-5.
  • 1993. Assessing the representativeness of nature reserves using multivariate analyses: vascular plants and breeding birds in deciduous forests, western Norway. Biological Conservation. 121-132.
  • 1993. A new biogeographical classification of the Scottish Uplands II. Vegetation-environment associations. Journal of Ecology. 231-251.
  • 1992. The use of rarefraction analysis for estimating palynological richness from Quaternary pollen-analytical data. The Holocene. 1-10.
  • 1992. The use of rarefraction analysis for estimating palynological richness from Quaternary pollen-analytical data. The Holocene. 1-10.
  • 1992. Scaled chrysophytes (Chrysophyceae and Synurophyceae) from Adirondac drainage lakes and their relationships to environmental variables. Journal of Phycology. 162-178.
  • 1992. Notes on the flora and vegetation of Canna and Sanday. Botanical Journal of Scotland. 15-26.
  • 1992. How much acidification has occured in Adirondack (New York, USA) lakes since pre-industrial times? Canadian Journal of Fisheries and Aquatic Sciences. 128-141.
  • 1992. Assessing damaged fishery resources and lake water aluminum trends using paleolimnological analyses of siliceous algae. Canadian Journal of Fisheries and Aquatic Sciences. 116-127.
  • 1992. Anoectangium warburgii in western Norway. Lindbergia. 67-68.
Vitenskapelig foredrag
  • 2020. A Humboldt Legacy – High-elevational limits of vascular plants: Europe, North America, Himalaya, East Africa, Andes.
  • 2016. Lennart von Post and Quaternary palynology since the 1960s.
  • 2015. A brief history of climate – the northern seas from the Last Glacial Maximum to global warming.
  • 2014. 52 glaciers and one lake: how to reconstruct past regional glacier variability.
  • 2013. The Fagus sylvatica forests in the Larvik region, southern Norway – their history and origin.
  • 2013. North-Atlantic Holocene climate variability reflected in the dynamical response of Norwegian maritime glaciers.
  • 2013. Diversity relationships between vegetation and modern pollen samples in the Setesdal valley of south-central Norway.
  • 2012. The Fagus sylvatica forests in the Larvik region, southern Norway - their history and origin.
  • 2012. Land-cover and ecological changes in Tibet during the last 15,000 years.
  • 2012. Ecosystem changes at the time of the establishment of beech (Fagus sylvatica) forests in the Larvik region, southern Norway.
  • 2012. Ecological and land-cover thresholds, inertia, and responses to climate change during the last 15,000 years on the Tibet Plateau – A case study.
  • 2012. Biodiversity relationships between vegetation and modern pollen samples in the Setesdal valley of south-central Norway.
  • 2012. Ancient DNA from lake sediments - Fact or fiction?
  • 2011. Vegetation responses to rapid climate change at the late-glacial/Holocene transition.
  • 2011. Towards an integrated valuation of mountain landscapes.
  • 2011. The evolutionary legacies of the Quaternary ice ages.
  • 2011. Significance tests for transfer function-derived quantitative reconstructions.
  • 2011. Plant life in the cold - arctic and alpine environments.
  • 2011. Ongoing research and future perspectives- the Bergen palaeoecology group’s work in the Arctic.
  • 2011. Long-term ecology and conservation biology - controversies, challenges, and compromises.
  • 2011. Introduction to Quaternary palaeoecology.
  • 2011. Inferring past environments from biological data: progress, problems, and potentialities.
  • 2011. DYNAWARM: Dynamics of Past Warm Climates.
  • 2011. Can the secrets of the past help us make future predictions: Controversies, challenges, and compromises.
  • 2011. Biotic responses to rapid climate chagnes 10000-12000 years ago - ecological processes, thresholds, resilience, and novel ecosystems.
  • 2010. Towards a new Framework for the Management of Cultural and Natural Heritage in upland Landscape Conservation Areas (LCA) in Norway.
  • 2010. Summer temperature trends during the last 2000 years innorthern Fennoscandia and the Kola Peninsula.
  • 2010. Long-Term Ecology and Conservation Biology – Controversies, Challenges, and Compromises.
  • 2010. Long-Term Ecology and Conservation Biology – Controversies, Challenges, and Compromises.
  • 2010. Introduction and Overview of Major Numerical Methods.
  • 2010. Introduction and Overview of Major Numerical Methods.
  • 2010. Indirect Gradient Analysis.
  • 2010. Hypothesis Testing and Time-Series Analysis.
  • 2010. Direct Gradient Analysis.
  • 2010. Calibration, Transfer Functions, and Environmental Reconstructions.
  • 2010. Analysis of stratigraphical data.
  • 2010. Alpine plants at the equator - giants and dwarfs.
  • 2009. Plant Species Richness in Space - Patterns and Processes.
  • 2009. Past climates of the Arctic: A chironomid-based temperature reconstruction of an Arctic lake on western Spitsbergen.
  • 2009. New approaches to the interpretation of Holocene palaeoecological data.
  • 2009. Long-Term Ecology and Management in Upland Landscapes - controversies, challenges, and compromises.
  • 2009. Last nine-thousand years of temperature variability in Fennoscandia.
  • 2009. How the secrets of the past can help future ecological predictions.
  • 2009. How the secrets of the past can help future ecological predictions.
  • 2009. Atlantic hazel woods - a lichenologist's paradise, an ecologist's problem.
  • 2008. Using Earth System Models to test competing palaeoecological hypotheses about Holocene forest decline on the Tibetan Plateau.
  • 2008. Using Earth System Models to test competing palaeoecological hypotheses about Holocene forest decline on the Tibetan Plateau.
  • 2008. Time-series analysis.
  • 2008. Stratigraphical data analysis.
  • 2008. Rapid ecosystem shifts during the late Holocene in a Picea abies forest in south-eastern Norway - local stand scale dynamics and patterns.
  • 2008. Quantitative environmental reconstructions.
  • 2008. Overview of continental palaeoclimatic proxies in time and space.
  • 2008. Introduction and Overview of Major Numerical Methods.
  • 2008. Interglacial-glacial vegetational dynamics - a natural ecological laboratory.
  • 2008. Interglacial - glacial vegetation dynamics - a natural long-term ecological laboratory.
  • 2008. Interglacial - glacial vegetation dynamics - a natural ecological laboratory.
  • 2008. Hypothesis testing.
  • 2008. Biological proxies in sedimentray archives - progress, problems, potentialities.
  • 2008. Alpine Plant Biodiversity. Patterns, processes, functions, and threats.
  • 2007. The Holocene “Thermal Maximum” – The pollen view.
  • 2007. Temperature and precipitation changes around the 8200 cal yr BP event in western and northern Norway - pollen evidence.
  • 2007. Quantitative palaeoenvironmental reconstructions from fossils assemblages - approaches, methods, assumptions, evaluation, and validation.
  • 2007. Quantitative palaeoenvironmental reconstructions from fossil assemblages - approaches, methods, assumptions, evaluation, and validation.
  • 2007. Present-day temperatures at Sokli (northern Finland) during MIS 3 recorded by high-resolution multiproxy analysis and climate modelling.
  • 2007. Palaeoecology and current environmental problems. Is palaeoecology still a 'quaint but irrelevant speciality'?
  • 2007. New Approaches to the interpretation of Holocene palaeoecological data.
  • 2007. Multi-proxy studies in Quaternary palaeoecology - origins, development, and potentials.
  • 2007. Klima i Follo, søndre Akershus, gjennom 5000 år.
  • 2007. Holocene forest decline on the Tibetan Plateau - climate or humans.
  • 2007. Holocene forest decline on the Tibetan Plateau - climate or human activity.
  • 2007. Holocene Climate Research - Progress, Paradigms, and Problems.
  • 2007. History, Evolution, and Future of Arctic and Alpine Flora.
  • 2007. Climate Change in the Holocene - an overview.
  • 2007. Biological responses to rapid climate change at the Last Glacial - Interglacial transition - dynamics, turnover, and rates of change.
  • 2007. Alpines, trees, and refugia.
  • 2007. Alpines, trees, and refugia.
  • 2006. Vegetation and climate history at Svanåvatnet, Mo i Rana, Nordland.
  • 2006. Recent developments in radiocarbon-age calibration and age-depth modelling of Holocene stratigraphical sequences.
  • 2006. Recent developments in Holocene climate reconstructions based on pollen analysis.
  • 2006. Pollen – climate transfer functions.
  • 2006. New approaches to the interpretation of Holocene palaeoecological data.
  • 2006. Multi-proxy studies in Quaternary palaeoecology - origins, development and potential.
  • 2006. Holocene summer temperature variability in southern Norway - a palaeolimnological study based on chironimids, pollen, and geochemical data.
  • 2006. Holocene climate research - progress, paradigms and problems.
  • 2006. Holocene climate reseach - progress, paradigms and problems.
  • 2006. Exploring the World of High Alpines.
  • 2006. Diatom responses to 20th century climate warming in lakes from the Northern Urals, Russia.
  • 2006. Biological responses to rapid climate change at the last glacial - interglacial transition - dynamics, turnover and rates of change.
  • 2006. Biological responses to rapid climate change at the Last Glacial-Interglacial transition - dynamics, turnover, and rates of change.
  • 2006. An introduction of quantitative palaeoecology.
  • 2005. The secret assumption of transfer functions: the problem with spatial autocorrelation.
  • 2005. The secret assumption of transfer functions.
  • 2005. The secret assumption of transfer functions.
  • 2005. Patterns of change in Holocene climate records from Lyngen, Northern Norway.
  • 2004. Plant Distributional Data, Palaeoecology, and Climate Change.
  • 2004. Holocene mean July temperature and winter precipitation in western Norway inferred from lake sediment proxies.
  • 2004. Holocene 'Thermal Maximum' - the Pollen View.
  • 2003. Holosen vegetasjons- og klimahistorie fra Skibotn og Lyngen, Troms, vist ved pollen- og makrofossilanalyse.
  • 2003. Holocene vegetation and climate history in Troms based on pollen and plant macrofossils.
  • 2003. All age-depth models are wrong: but which are useful?
  • 2002. Assessing the effects of within-lake variability of fossil assemblages on quantitative chironomid-inferred temperature reconstructions.
  • 2001. Past climate changes in the Norwegian Region during the glacial-Holocene transition, 14.000 - ca. 10.000 cal yr BP.
  • 2001. Holocene vegetation and climate history in Troms, northern Norway, based on pollen and plant macrofossils from lake sediments.
  • 2001. Development of benthic foraminiferal transfer functions along the north eastern Atlantic margin.
  • 2000. Past climates of the Norwegian region (NORPAST) - a new national research project.
  • 2000. Past climates of the Norwegian region (NORPAST) - a new national research project.
  • 2000. Climate history as recorded by ecologically sensitive arctic and alpine lakes in Europe during the last 10,000 years: a multi-proxy approach (CHILL-10,000).
Vitenskapelig antologi/Konferanseserie
  • 2012. Tracking Environmental Change Using Lake Sediments, Volume 5: Data Handling and Numerical Techniques. Springer.
  • 1988. The Cultural Landscape - Past, Present and Future. Cambridge University Press.
  • 1988. The Cultural Landscape - Past, Present and Future. Cambridge University Press.
Vitenskapelig oversiktsartikkel/review
  • 2016. Does pollen-assemblage richness reflect floristic richness? A review of recent developments and future challenges. 1-25.
  • 2012. Macrofossils in Raraku Lake (Easter Island) integrated with sedimentary and geochemical records: towards a palaeoecological synthesis for the last 34,000 years. 113-126.
  • 2011. The pace of Holocene vegetation change - testing for synchronous developments. 2805-2814.
  • 2011. Merging chironomid training sets: implications for palaeoclimate reconstructions. 2793-2804.
  • 2010. Late-Quaternary palaeoclimatic research in Fennoscandia – A historical review. 655-673.
  • 2010. Biodiversity baselines, thresholds and resilience: testing predictions and assumptions using palaeoecological data. 583-591.
  • 2009. Last nine-thousand years of temperature variability in Northern Europe. 523-535.
  • 2009. Flora, vegetation and climate at Sokli, northeastern Fennoscandia, during the Weichselian Middle Pleniglacial. 335-348.
  • 2008. Holocene moisture evolution in arid central Asia and its out-of-phase relationship with Asian monsoon history. 351-364.
  • 2008. Agroforestry: a refuge for tropical biodiversity? 261-267.
  • 2006. What is natural? The need for a long-term perspective in biodiversity conservation. 1261-1265.
  • 2006. Multi-proxy studies in palaeolimnology. 235-251.
  • 2005. Holocene environmental history and climate of Råtåsjøen, a low-alpine lake in south-central Norway. 129-153.
  • 2005. Fifty years of Quaternary pollen analysis in Fennoscandia 1954-2004. 1-22.
  • 2005. Chironomids as a tool for inferring Holocene climate: an assessment based on six sites in southern Scandinavia. 1429-1462.
  • 2005. A multi-proxy palaeoecological study of Alanen Laanijärvi, a boreal-forest lake in Swedish Lapland. 192-206.
  • 2004. Benthonic foraminiferal distributions and quantitative transfer functions for the northwest European continental margin. 197-226.
  • 2004. A modern pollen-climate calibration set from northern Europe: developing and testing a tool for palaeoclimatological reconstructions. 251-267.

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