A fine-resolution pollen-stratigraphical study, supported by macrofossil analysis, has been made at Kråkenes Lake, western Norway through the Younger Dryas—Holocene transition and the early Holocene. The median sample-age difference is 14 cal. yr for the period 9175—11625 cal. yr BP. The chronology is based on 57 AMS radiocarbon dates. The pollen stratigraphy is interpreted as a primary succession following deglaciation at the end of the Younger Dryas. Palynological richness, compositional turnover and rates of assemblage change are estimated from the pollen-stratigraphical data. Comparisons between palynological turnover at Kråkenes and floristic turnover on recently deglaciated modern glacier forelands suggest a comparable primary succession and turnover at Kråkenes. However, the arrival and expansion of Betula pubescens (tree birch) was delayed by about 450 years. Possible reasons for this lag are discussed. Comparisons between turnover estimates for pollen and for diatoms through the Younger Dryas—Holocene transition highlight differences in the response dynamics of terrestrial and aquatic ecosystems at Kråkenes Lake. This fine-resolution study links the long temporal perspective provided by palaeoecology with the fine temporal scales of modern ecological observations. The primary succession following rapid climate warming at Kråkenes provides a context for other past and present responses to climate warming and it can provide a long-term perspective on responses to projected future climate warming.
Alverson, K.F., Bradley, R.S. and Pedersen, T.F., editors 2003: Paleoclimate: global change and the future. Springer.
2.
Anderson, M.J., Ellingsen, K.E. and McArdle, B.H.2006: Multivariate dispersion as a measure of beta diversity . Ecology Letters9, 683—93.
3.
Battarbee, R.W.2000: Palaeolimnological approaches to climate change with special regard to the biological record. Quaternary Science Reviews19, 107—24.
4.
Bennett, K.D.1996: Determination of the number of zones in biostratigraphical sequences. New Phytologist132, 155—70.
5.
Bennett, K.D. and Humphry, R.W.1995: Analysis of late-glacial and Holocene rates of vegetational change at two sites in the British Isles. Review of Palaeobotany and Palynology85, 263—87.
6.
Birks, H.H.1994: Late-glacial vegetational ecotones and climatic patterns in western Norway. Vegetation History and Archaeobotany3, 107—19.
7.
Birks, H.H. and Ammann, B.2000: Two terrestrial records of rapid climatic change during the glacial-Holocene transition (14,000—9,000 calendar years B.P.) from Europe. Proceedings of the National Academy of Sciences97, 1390—94.
8.
Birks, H.H. and Birks H.J.B.2000: Future uses of pollen analysis must include plant macrofossils . Journal of Biogeography27, 31—5.
9.
——— 2006: Multiproxy studies in palaeolimnology. Vegetation History and Archaeobotany15, 235—51.
10.
Birks, H.H. and Wright H.E.2000: Introduction to the reconstruction of the late-glacial and early-Holocene aquatic ecosystems at Kråkenes Lake, Norway. Journal of Paleolimnology23, 1—5.
11.
Birks, H.H., Battarbee, R.W., Beerling, D.J., Birks, H.J.B., Brooks, S.J., Duigan, C.A., Gulliksen, S., Haflidason, H., Hauge, F., Jones, V.J., Jonsgard, B., Kårevik, M., Larsen, E., Lemdahl, G., Løvlie, R., Mangerud, J., Peglar, S.M., Possnert, G., Smol, J.P., Solem, J.O., Solhøy, I., Solhøy, T., Sønstegaard, E. and Wright, H.E.1996: The Kråkenes late-glacial palaeoenvironmental project . Journal of Paleolimnology15, 281—86.
12.
Birks, H.H., Battarbee, R.W. and Birks H.J.B.2000: The development of the aquatic ecosystem at Kråkenes Lake, western Norway, during the late-glacial and early-Holocene — a synthesis . Journal of Paleolimnology23, 91—114.
13.
Birks, H.J.B.1980: The present flora and vegetation of the moraines of the Klutlan Glacier, Yukon Territory, Canada: a case study in plant succession . Quaternary Research14, 60—86.
14.
——— 2007: Estimating the amount of compositional change in late-Quaternary pollen-stratigraphical data. Vegetation History and Archaeobotany16, 197—202.
15.
Birks, H.J.B. and Gordon, A.D.1985: Numerical methods in Quaternary pollen analysis. Academic Press.
16.
Birks, H.J.B. and Line, J.M.1992: The use of rarefaction analysis for estimating palynological richness from Quaternary pollen-analytical data. The Holocene2, 1—10.
17.
Bradshaw, E.G., Jones, V.J., Birks, H.J.B. and Birks, H.H.2000: Diatom responses to late-glacial and early-Holocene environmental changes at Kråkenes, western Norway. Journal of Paleolimnology23, 21—34.
18.
Brooks, S.J. and Birks, H.J.B.2000: Chironomid-inferred late-glacial and early-Holocene mean July air temperatures for Kråkenes Lake, western Norway. Journal of Paleolimnology23, 77—89.
19.
Bugmann, H. and Pfister, C.2000: Impacts of interannual climate variability on past and future composition. Regional Environmental Change1, 112—25.
20.
Caseldine, C.J.1989: Pollen assemblage—plant community relationships on the Storbreen glacier foreland, Jotunheimen mountains, southern Norway . New Phytologist111, 105—18.
21.
Caseldine, C.J. and Pardoe, H.S.1994: Surface pollen studies from alpine/subalpine southern Norway: applications to Holocene data. Review of Palaeobotany and Palynology82, 1—15.
22.
Chapin, F.S. and Starfield, A.M.1997: Time lags and novel ecosystems in response to transient climatic change in Arctic Alaska. Climatic Change35, 449—61.
23.
Deevey, E.S.1969: Coaxing history to conduct experiments. BioScience19, 40—43.
24.
Eriksdal, L. and Sollid, J.L.1986: Neoglaciation in south Norway using lichenometric methods . Norsk Geografisk Tidsskrift40, 85—105.
25.
Flessa, K.W. and Jackson, S.T.2005: The geologic record of ecological dynamics: understanding the biotic consequences of global changes. National Academy Press.
26.
Fægri, K.1933: Über die Längenvariationen einiger Gletscher des Jostedalsbre und die dadurch bedingten Pflanzensukzessionen. Bergens Museums Årbok Naturvitenskapelige Rekke7, 1—255.
27.
Grimm, E.C. and Jacobson, G.L.1992: Fossil-pollen evidence for abrupt climate changes during the past 18000 years in eastern North America. Climate Dynamics6, 179—84.
28.
Gulliksen, S., Birks, H.H., Possnert, G. and Mangerud, J.1998: A calendar age estimate of the Younger Dryas — Holocene boundary at Kråkenes, western Norway. The Holocene8, 249—59.
29.
Heiri, C., Bugmann, H., Tinner, W., Heiri, O. and Lischke, H.2006: A model-based reconstruction of Holocene tree dynamics in the Central Swiss Alps. Journal of Ecology94, 204—16.
30.
Hill, M.O. and Gauch, H.G.1980: Detrended correspondence analysis, an improved ordination technique. Vegetatio42, 47—58.
31.
Jackson, S.T. and Overpeck, J.T.2000: Responses of plant populations and communities to environmental changes of the late Quaternary. Paleobiology26 (Supplement), 194—220.
32.
Jackson, S.T. and Williams, J.W.2004: Modern analogs in Quaternary paleoecology: here today, gone yesterday, gone tomorrow?Annual Review of Earth and Planetary Science32, 495—537.
33.
Jonsgard, B. and Birks, H.H.1995: Late-glacial mosses and environmental reconstructions at Kråkenes, western Norway. Lindbergia20, 64—82.
34.
Labeyrie, L., Cole, J., Alverson, D.K. and Stocker, T.2003: The history of climate dynamics in the late Quaternary . In Alverson, K.D., Bradley, R.S. and Pedersen, T.P., editors, Paleoclimate: global change and the future . Springer, 33—62.
35.
Larsen, E. and Stalsberg, M.K.2004: Younger Dryas glaciolacustrine rhythmites and cirque glacier variations at Kråkenes, western Norway: depositional processes and climate . Journal of Paleolimnology31, 499—61.
36.
Larsen, E., Eide, F., Longva, O. and Mangerud, J.1984: Allerød— Younger Dryas climatic inferences from cirque glaciers and vegetational development in the Nordfjord area, western Norway. Arctic and Alpine Research16, 137—60.
37.
Legendre, P. and Gallagher, E.D.2001: Ecologically meaningful transformations for ordination of species data. Oecologia129, 271—80.
38.
Lloyd, A.H.2005: Ecological histories from Alaskan tree lines provide insight into future change. Ecology86, 1687—95.
39.
Macpherson, J.B.1996: Delayed deglaciation by downwasting of the northeast Avalon Peninsula, Newfoundland: an application of the early postglacial pollen record . Géographie physique at Quaternaire50, 201—20.
Matthews, J.A.1977: A lichenometric test of the 1750 end-moraine hypothesis: Storbreen gletschervorfeld, southern Norway. Norsk Geografisk Tidsskrift31, 129—36.
42.
——— 1978: Plant colonisation patterns on a gletschervorfeld, southern Norway: a meso-scale geographical approach to vegetation change and phytometric dating. Boreas7, 155—78.
43.
——— 1992: The ecology of recently deglaciated terrain. A geoecological approach to glacier forelands and primary succession. Cambridge University Press.
44.
Matthews, J.A. and Whittaker, R.J.1987: Vegetation succession on the Storbreen glacier foreland, Jotunheimen, Norway: a review. Arctic and Alpine Research19, 385—95.
45.
Moen, A.1999: National atlas of Norway: vegetation. Norwegian Mapping Authority.
46.
Odgaard, B.V.2007: Reconstructing past biodiversity development. In Elias, S.A., editor, Encyclopedia of Quaternary science. Elsevier, 2508—14.
47.
Odland, A.1996: Differences in the vertical distribution of Betula pubescens in Norway and its ecological significance. Paläoklimaforschung20, 43—59.
48.
Oldfield, F.1977: Lakes and their drainage basins as units of sediment-based ecological study. Progress in Physical Geography1, 460—504.
49.
——— 1983: Man's impact on the environment: some recent perspectives . Geography68, 245—56.
50.
——— 2005: Environmental changes. Key issues and alternative perspectives . Cambridge University Press.
51.
Overpeck, J., Whitlock, C. and Huntley, B.2003: Terrestrial biosphere dynamics in the climate system: past and future. In Alverson, K.D., Bradley, R.S. and Pedersen, T.F., editors, Paleoclimate: global change and the future . Springer, 81—142.
52.
Pardoe, H.S.1996: Micro-scale patterns of modern pollen deposition within three alpine plant communities. New Phytologist132, 327—41.
53.
——— 2001: The representation of taxa in surface pollen spectra on alpine and sub-alpine glacier forelands in southern Norway. Review of Palaeobotany and Palynology117, 63—78.
54.
——— 2006: Surface pollen deposition on glacier forelands in southern Norway I: local patterns of representation and source area at Storbreen Jotunheimen . The Holocene16, 1149—61.
55.
Pennington, W.1986: Lags in adjustment of vegetation to climate caused by the pace of soil developments: evidence from Britain. Vegetatio67, 105—18.
56.
Post, E.2003: Climate—vegetation dynamics in the fast lane. Trends in Ecology and Evolution18, 551—53.
57.
Prentice, I.C.1980: Multidimensional scaling as a research tool in Quaternary palynology: a review of theory and methods. Review of Palaeobotany and Palynology31, 71—104.
58.
Rupp, T.S., Chapin, F.S. and Starfield, A.M.2000a: Response of subarctic vegetation to transient climatic change on the Seward Peninsula in north-west Alaska. Global Change Biology6, 541—55.
59.
Rupp, T.S., Starfield, A.M. and Chapin, F.S.2000b: A frame-based spatially explicit model of subarctic vegetation response to climatic change: comparison with a point model. LandscapeEcology15, 383—400.
60.
Seppä, H., Birks, H.H. and Birks, H.J.B.2002: Rapid climatic changes during the Greenland stadial 1 (Younger Dryas) to early Holocene transition on the Norwegian Barents Sea coast. Boreas31, 215—25.
61.
Smith, A.G.1965: Problems of inertia and threshold related to post-glacial habitat changes. Proceedings of the Royal Society B 161, 331—42.
62.
Smol, J.P.2002: Pollution of lakes and rivers: a paleoenvironmental perspective . Edward Arnold.
63.
Smol, J.P., Wolfe, A.P., Birks, H.J.B., Douglas, M.S.V., Jones, V.J., Korhola, A., Pienitz, R., Rühland, K., Sorvari, S., Antoniades, D., Brooks, S.J., Fallu, M.-A., Hughes, M., Keatley, B.E., Laing, T.E., Michelutti, N., Nazarova, L., Nyman, M., Paterson, A.M., Perren, B., Quinlan, R., Rautio, M., Saulnier-Talbot, E., Siitonen, S., Solovieva, N., and Weckström, J.2005: Climate-driven regime shifts in the biological communities of arctic lakes. Proceedings of the National Academy of the United States of America102, 4397—402.
64.
Ter Braak, C.J.F.1986: Canonical correspondence analysis: a new eigenvector technique for multivariate direct gradient analysis. Ecology67, 1167—79.
65.
Ter Braak, C.J.F. and Šmilauer, P.2002: CANOCO reference manual and CanoDraw for Windows user's guide: software for canonical community ordination (version 4.5). Microcomputer Power.
66.
Troels-Smith, J.1955: Karakterising af løse jordarter. Danmarks Geologiske Underøgelse Series IV, 1—73.
67.
Van Dinter, M. and Birks, H.H.1996: Distinguishing fossil Betula nana and B. pubescens using their wingless fruits: implications for the late-glacial vegetation history of western Norway. Vegetation History and Archaeobotany5, 229—40.
68.
Vetaas, O.R.1994: Primary succession of plant assemblages on a glacier foreland — Bødalsbreen, southern Norway. Journal of Biogeography21, 297—308.
69.
Whittaker, R.H.1972: Evolution and measurement of species diversity. Taxon21, 213—51.
70.
——— 1977: Evolution of species diversity in land communities. Evolutionary Biology10, 1—67.
71.
Whittaker, R.J.1989: The vegetation of the Storbreen Gletschervorfeld, Jotunheimen, Norway. III. Vegetation—environment relationships. Journal of Biogeography16, 413—33.
72.
Williams, J.W., Post, D.M., Cwynar, L.C., Lotter, A.F. and Levesque, A.J.2002: Rapid and widespread vegetation responses to past climate change in the North Atlantic region. Geology30, 971—74.
