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Late-Holocene Expansion of Eastern Larch (Larix laricina[Du Roi] K. Koch) in Northwestern Québec

Published online by Cambridge University Press:  20 January 2017

M. Cristina Peñalba  and
Serge Payette
M. Cristina Peñalba
Affiliation:
Centre d'études nordiques, Université Laval Sainte-Foy, Québec, G1K 7P4, Canada
Serge Payette
Affiliation:
Centre d'études nordiques, Université Laval Sainte-Foy, Québec, G1K 7P4, Canada
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Abstract

The Holocene expansion of eastern larch (Larix laricina[Du Roi] K. Koch) at the edge of its geographical range in northwestern Québec was reconstructed using pollen and macrofossils from peat deposits. BecauseLarixis a poor pollen producer, the total pollen sum of 300–500 grains per spectrum was supplied by an additional survey of 2000 grains. However, the use of 2000 pollen counts did not give a betterLarixrecord. The combination of both pollen and macrofossil analyses offered greater opportunities to estimate the time of arrival of eastern larch at the edge of its distributional range. Along the study transect, eastern larch established east of 75° W long before 2000 yr B.P. but not sooner than 5000 yr B.P., whereas it arrived much later, after 1500 yr B.P., in most sites west of 75° W within a migration corridor around 57° 45′ N. The macrofossil record is completely different between the eastern sites, with high frequencies and densities, and the western sites where larch occurs sporadically with few remains only, concentrated in the upper part of the peat profiles. The colonization pattern of eastern larch was patchy in time and space, as suggested by the available macrofossil records, present distributional pattern in the area, and age structure of extant populations. The establishment of disjunct larch populations in the westernmost sites most likely proceeded from long-distance transport. The spatial–temporal pattern of eastern larch west of 74° W may have been influenced by the site conditions associated with late deglaciation in central northern Québec.

Type
Research Article
Information
Quaternary Research , Volume 48 , Issue 1 , July 1997 , pp. 114 - 121
Copyright
University of Washington

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References

Allard, M., Seguin, M.K., (1985). La déglaciation d'une partie du versant hudsonien québécois: Bassin des rivières Nastapoca, Sheldrake et à l'Eau Claire. Géographie physique et Quaternaire. 39, 13–24.Google Scholar
Bennett, K.D., (1985). The spread ofFagus grandifolia . Journal of Biogeography. 12, 147–164.Google Scholar
Birks, H.J.B., (1989). Holocene isochrone maps and patterns of tree-spreading in the British Isles. Journal of Biogeography. 16, 503–540.Google Scholar
Ducruc, J.P., Zarnovican, R., Gerardin, V., Jurdant, M., (1976). Les régions écologiques du Territoire de la Baie-James: Caractéristiques dominantes de leur couvert végétal. Cahiers de Géographie de Québec. 20, 365–392.CrossRefGoogle Scholar
Faegri, K., Iversen, J., (1989). Textbook of Pollen Analysis. Wiley, Chichester. Google Scholar
Gagnon, R., Payette, S., (1981). Fluctuations holocènes de la limite des forêts de mélèze, rivière aux Feuilles, Nouveau-Québec: Une analyse macrofossile en milieu tourbeux. Géographie physique et Quaternaire. 35, 57–72.Google Scholar
Gajewski, K., Payette, S., Ritchie, J.C., (1993). Holocene vegetation history at the boreal forest-shrub tundra transition in northern Québec. Journal of Ecology. 81, 433–443.CrossRefGoogle Scholar
Garralla, S., (1991). L'analyse pollinique des sédiments d'un lac de la région de Chibougamau. Québec. Université Laval, Québec. Google Scholar
Gerardin, V., (1980). L'inventaire du capital-nature du Territoire de la Baie-James: Les régions écologiques et la végétation des sols minéraux. 1. Méthodologie et description. Google Scholar
Heim, J., (1976). Étude palynologique d'une palse dans la région du Golfe de Richmond, Nouveau-Québec. Cahiers de Géographie de Québec. 20, 221–238.Google Scholar
Janssen, C.R., (1966). Recent pollen spectra from the deciduous and coniferous-deciduous forests of northeastern Minnesota: A study in pollen dispersal. Ecology. 47, 804–825.Google Scholar
Jardon, Y., Filion, L., Cloutier, C., (1994). Long-term impact of insect defoliation on growth and mortality of eastern larch in boreal Québec. Ecoscience. 1, 231–238.Google Scholar
Lauriol, B., Gray, J.T., (1987). The decay and disappearance of the Late Wisconsinan Ice Sheet in the Ungava Peninsula, northern Québec, Canada. Arctic and Alpine Research. 19, 109–126.Google Scholar
Morin, A., Payette, S., (1984). Expansion récente du mélèze à la limite des forêts (Québec nordique). Canadian Journal of Botany. 62, 1404–1408.CrossRefGoogle Scholar
Payette, S., (1983). The forest-tundra and present tree lines of the northern Québec-Labrador Peninsula. Nordicana. 47, 3–23.Google Scholar
Payette, S., (1993). The range limit of boreal tree species in Québec-Labrador: An ecological and palaeoecological interpretation. Review of Palaeobotany and Palynology. 79, 7–30.Google Scholar
Payette, S., Gagnon, R., (1979). Tree-line dynamics in Ungava Peninsula. Holarctic Ecology. 2, 239–248.Google Scholar
Payette, S., Morneau, C., (1993). Holocene relict woodlands at the eastern Canadian treeline. Quaternary Research. 39, 84–89.Google Scholar
Peteet, D.M., (1991). Postglacial migration history of lodgepole pine near Yakutat, Alaska. Canadian Journal of Botany. 69, 786–796.Google Scholar
Richard, P., (1979). Contribution à l'histoire postglaciaire de la végétation au nord-est de la Jamésie. Géographie physique et Quaternaire. 33, 93–112.Google Scholar
Richard, P.J.H., Paléo-Québec. 13, (1981). Google Scholar
Richard, P.J.H., Larouche, A., Bouchard, M.A., (1982). Âge de la déglaciation finale et histoire postglaciaire de la végétation dans la partie centrale du Nouveau-Québec. Géographie physique et Quaternaire. 36, 63–90.Google Scholar
Ritchie, J.C., (1987). Postglacial Vegetation of Canada. Cambridge Univ. Press, Cambridge. Google Scholar
Short, S.K., Nichols, H., (1977). Holocene pollen diagrams from subarctic Labrador-Ungava: Vegetational history and climatic change. Arctic and Alpine Research. 9, 265–290.Google Scholar
Stockwell, C.H., McGlynn, J.C., Emslie, R.F., Sanford, B.V., Norris, A.W., Donaldson, J.A., Fahrig, W.F., Currie, K.L., (1972). Géologie du Bouclier canadien. Douglas, R.J.W., Géologie et ressources minérales du Canada. Part A. Commission géologique du CanadaMinistère de l'Énergie, des Mines et des Ressources, Ottawa, 49–165.Google Scholar
Vincent, J.S., (1989). Le Quaternaire du sud-est du Bouclier canadien. Fulton, R.J., Le Quaternaire du Canada et du Groenland. Commission géologique du CanadaGéologie du Canada, Ottawa, 266–295.Google Scholar