REINHARD PIENITZ 

 

 

 

Département de Géographie & Centre d'études nordiques
Pavillon Abitibi-Price, local 1232
Université Laval
Québec, Québec
CANADA, G1K 7P4

Téléphone : 656-2131 poste 7006
Télécopieur : 656-2978
Courriel : reinhard.pienitz@cen.ulaval.ca


Thèmes de recherche

  • Dynamique holocène et actuelle des écosystèmes lacustres du Québec-Labrador.
  • Paléoécologie et biogéographie des diatomées et des invertébrés au Québec-Labrador.
  • Étude paléoenvironnementale des sédiments du Golfe du Saint-Laurent.
  • Paléoproductivité des diatomées et silicoflagellés de l'Holocène supérieur à Effingham Inlet, côte ouest canadienne.
  • Étude paléolimnologique de l'histoire de l'eutrophisation du Lac Saint-Charles, Québec.
  • Bio-optique et paléo-optique des lacs dans les écotones végétaux en milieu nordique.
  • Paléoclimat de la Béringie orientale au Pleistocène.

 

 


Publications récentes

Hausmann, S., Pienitz, R., 2007. Seasonal climate inferences from high-resolution modern diatom data along a climate gradient: A case study. Journal of Paleolimnology. (Sous presse)

Hay, M.B., Dallimore, A., Thomson, R.E., Calvert, S.E., Pienitz, R., 2007. Diatom record of Late Holocene oceanography and climate along the West Coast of Vancouver Island, British Columbia (Canada). Quaternary Research, 67(1): 33-49.

Racca, J.M.J., Racca, R., Pienitz, R., Prairie, Y.T., 2007. PaleoNet : new software for building, evaluating and applying neural network based transfer functions in paleoecology. Journal of Paleolimnology. (Sous presse)

Saulnier-Talbot, É., Leng, M.J., Pienitz, R., 2007. Recent climate and stable isotopes in modern surface waters of northernmost Ungava Peninsula, Canada. Canadian Journal of Earth Sciences, 44(2): 171-180.

Vincent, W.F., Rautio, M., Pienitz, R., 2007. Climate control of underwater UV exposure in polar and alpine aquatic ecosystems. Pages 227-249 in J.B. Orbaek, R. Kallenborn, I. Tombre, E. Hegseth, A. Falk-Petersen & A.H. Hoel (éd.). Arctic Alpine Ecosystems and People in a Changing Environment. Springer, Berlin/Heidelberg.

Köster, D., Pienitz, R., 2006. Late-Holocene environmental history of two New England ponds: natural dynamics versus human impacts. The Holocene, 16(4): 519-532.

Köster, D., Pienitz, R., 2006. Seasonal diatom variability and paleolimnological inferences- a case study. Journal of Paleolimnology, 35(2): 395-416.

Larocque, I., Pienitz, R., Rolland, N., 2006. Factors influencing the distribution of chironomids in lakes distributed along a latitudinal gradient in northwestern Quebec, Canada. Canadian Journal of Fisheries and Aquatic Sciences, 63: 1286-1297.

Lavoie, C., Pienitz, R., Allard, M., 2006. Diatom flora of the Nastapoka River delta: an emerging coastal system on the eastern shore of Hudson Bay, subarctic Québec. Nova Hedwigia, 83(1-2): 31-51.

Pienitz, R., Roberge, K., Vincent, W.F., 2006. Three hundred years of human-induced change in an urban lake: paleolimnological analysis of Lac Saint-Augustin, Québec City, Canada. Canadian Journal of Botany, 84(2): 303-320.

Fallu, M.-A., Pienitz, R., Walker, I.R., Lavoie, M., 2005. Paleolimnology of a shrub-tundra lake and response of aquatic and terrestrial indicators to climatic change in arctic Québec, Canada. Paleogeography, Paleoclimatology, Paleoecology, 215(3-4): 183-203.

Köster, D., Pienitz, R., Wolfe, B.B., Barry, S., Foster, D.R., Dixit, S.S., 2005. Paleolimnological assessment of human-induced impacts on Walden Pond (Massachusetts, USA) using diatoms and stable isotopes. Journal of Aquatic Ecosystem Health and Management, 8(2): 117-131.

Smol, J.P., Wolfe, A.P., Birks, H., Douglas, M., 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, É., Siitonen, S., Solovieva, N. & Weckström, J., 2005. Climate-driven regime shifts in the biological communities of arctic lakes. Proceedings of the National Academy of Sciences, 102(12): 4397-4402.

Fallu, M.-A., Pienitz, R., Walker, I.R., Overpeck, J.T., 2004. AMS 14C dating of tundra lake sediments using chironomid head capsules. Journal of Paleolimnology, 31(1): 11-22.

Köster, D., Racca, J.M.J., Pienitz, R., 2004. Diatom-based inference models and reconstructions revisited: methods and transformations. Journal of Paleolimnology, 32(3): 233-246.

Lavoie, I., Vincent, W.F., Pienitz, R., Painchaud, J., 2004. Benthic algae as bioindicators of agricultural pollution in the streams and rivers of southern Québec (Canada). Journal of Aquatic Ecosystem Health and Management, 7(1): 43-58.

Molot, L.A., Keller, W., Leavitt, P.R., Robarts, R.D., Waiser, M.J., Arts, M.T., Clair, T.A., Pienitz, R., Yan, N.D., McNicol, D.K., Prairie, Y.T., Dillon, P.J., Macrae, M., Bello, R., Nordin, R.N., Curtis, P.J., Smol, J.P., Douglas, M.S.V., 2004. Risk analysis of dissolved organic matter-mediated ultraviolet B exposure in Canadian inland waters. Canadian Journal of Fisheries and Aquatic Sciences, 61(12): 2511-2521.

Racca, J.M.J., Gregory-Eaves, I., Pienitz, R., Prairie, Y.T., 2004. Tailoring palaeolimnological diatom-based transfer functions. Canadian Journal of Fisheries and Aquatic Sciences, 61(12): 2440-2454.

Douglas, M.S.V., Hamilton, P., Pienitz, R., Smol, J.P., 2004. Algal indicators of environmental change in Arctic and Antarctic lakes and ponds. Pages 117-157 in R. Pienitz, M.S.V. Douglas & J.P. Smol (éd.). Long-Term Environmental Change in Arctic and Antarctic Lakes. Springer-Verlag, Developments in Paleoenvironmental Research (DPER), vol. 8, Dordrecht/Heidelberg.

Pienitz, R., Douglas, M.S.V., Smol, J.P., 2004. Epilogue: Paleolimnological research from Arctic and Antarctic regions. Pages 509-511 in R. Pienitz, M.S.V. Douglas & J.P. Smol (éd.). Long-Term Environmental Change in Arctic and Antarctic Lakes. Springer-Verlag, Developments in Paleoenvironmental Research (DPER), vol. 8, Dordrecht/Heidelberg.

Pienitz, R., Douglas, M.S.V., Smol, J.P., 2004. Paleolimnological research in polar regions: An introduction. Pages 1-17 in R. Pienitz, M.S.V. Douglas & J.P. Smol (éd.). Long-Term Environmental Change in Arctic and Antarctic Lakes. Springer-Verlag, Developments in Paleoenvironmental Research (DPER), vol. 8, Dordrecht/Heidelberg.

Pienitz, R., Douglas, M.S.V., Smol, J.P., (éd.) 2004. Long-term environmental change in Arctic and Antarctic lakes. Developments in Paleoenvironmental Research (DPER), vol. 8, Springer Publishers, 562 p.

Hay, M.B, Pienitz, R., Thomson, R.E, 2003. Distribution of diatom surface sediment assemblages within Effingham Inlet, a temperate fjord on the west coast of Vancouver Island (Canada). Marine Micropaleontology, 48: 291-320.

Lavoie, I., Vincent, W.F., Pienitz, R., Painchaud, J., 2003. Effet du débit sur la dynamique temporelle des algues périphytiques dans une rivière influencée par les activités agricoles. Revue des Sciences de l'eau, 16(1): 55-77.

Leavitt, P.R., Cumming, B.F., Smol, J.P., Reasoner, M., Pienitz, R., Hodgson, D.A., 2003. Climatic control of ultraviolet radiation effects on lakes. Limnology and Oceanography, 48(5): 2062-2069.

Rühland, K.M., Smol, J.P., Pienitz, R., 2003. Ecology and spatial distributions of surface-sediment diatoms from 77 lakes in the subarctic Canadian treeline region. Canadian Journal of Botany, 81(1): 57-73.

Saulnier-Talbot, É., Pienitz, R., Vincent, W.F., 2003. Holocene lake succession and palaeo-optics of a subarctic lake, northern Québec, Canada. The Holocene, 13(4): 517-526.

Walker, I.R., Lévesque, A.J., Pienitz, R., Smol, J.P., 2003. Freshwater midges of Yukon and adjacent Northwest Territories, Canada: A new tool for reconstructing Beringian palaeoenvironments? Journal of the North American Benthological Society, 22(2): 323-337.

Pienitz, R., Vincent, W.F., 2003. Generic approaches towards water quality monitoring based on paleolimnology. Pages 61-82 in Kumagai, M. & Vincent, W.F. (éd.). Freshwater Management - Global versus Local Perspectives. Springer-Verlag, Tokyo, Japon.

Pienitz, R., Fedje, D., Poulin, M., 2003. Marine and Non-Marine Diatoms from the Haida Gwaii Archipelago and Surrounding Coasts, Northeastern Pacific, Canada. J. Cramer (éd.). Bibliotheca Diatomologica, vol. 48, Berlin - Stuttgart. 146 p.

Fallu, M.-A., Allaire, N., Pienitz, R., 2002. Distribution of freshwater diatoms in 64 Labrador (Canada) lakes: species-environment relationships along latitudinal gradients and reconstruction models for water colour and alkalinity. Canadian Journal of Fisheries and Aquatic Sciences, 59: 329-349.

Laing, T.E., Pienitz, R., Payette, S., 2002. Evaluation of limnological responses to recent environmental change and caribou activity in the Rivière George region, northern Québec, Canada. Arctic, Antarctic, and Alpine Research, 34(4): 454-464.

Ponader, K., Pienitz, R., Vincent, W.F., Gajewski, K.J., 2002. Limnological conditions in a subarctic lake (northern Québec, Canada) during the late Holocene: analyses based on fossil diatoms. Journal of Paleolimnology, 27(3): 353-366.




 

 

 

 

 

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