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Bibliography of the Maurice Lamontagne Institute


HUDON, C., R. MORIN, J. BUNCH, R. HARLAND, 1996. Carbon and nutrient output from the Great Whale River (Hudson Bay) and a comparison with other rivers around Quebec. Can. J. Fish. Aquat. Sci., 53: 1513-1525 .

The annual load and the composition of material exported to the coast of Hudson Bay were characterized and modelled over the hydrological cycle of the Great Whale River. Annual exportations of particulate inorganic matter (PIM), particulate organic matter (POM), and dissolved organic carbon (DOC) to Hudson Bay were estimated at 135 000, 21 000, and 90 000 t, respectively. PIM, POM, and DOC concentrations were positively related to discharge, as were concentrations of coarse (>1 mm), fine (53 µ-1mm), and very fine (0.7-53 µ) particulate organic matter. Of the three size fractions, very fine particulate organic matter exhibited the highest heterotrophic activity, the lowest C :N ration, and the highest chlorophyll a concentration (1 µg•L-1 during summer. During the ice break up period, 25-35 % of the yearly PIM load, 23% of the POM load, 11 % of the DOC load, and 5-14 % of the dissolved nutrient load were exported to Hudson Bay. River waters were less concentrated in nutrients than Hudson Bay coastal waters. Comparison of DOC output with that of 46 other rivers draining the Precambrian Shield shows that, for a given runoff value, rivers flowing through tundra to Hudson and Ungava bays carried a specific DOC load aout half that of rivers flowing through forested basins to the Gulf of St. Lawrence.

CHANTIGNY, G., M. BRETON, B. CAMPBELL, G. CHAPDELAINE, M. DUNBAR, R. HARLAND, J. LOVRITY, E. MITCHELL, R. MORIN, D. NAKASHIMA, D. PIKE, D. PONTON, 1990. Report of resource management and environmental impacts working group. Pages 39-48 in J.A. Percy (ed.). Proceedings of a workshop : Marine Ecosystem Studies in Hudson Strait, November 9-10, 1989, Montréal, Québec. Dept. of Fisheries and Oceans (Can. Tech. Rep. Fish. Aquat. Sci., 1770) .

BUNCH, J.N., R.C. HARLAND, 1990. Bacterial production in the bottom surface of sea ice in the Canadian subarctic. Can. J. Fish. Aquat. Sci., 47: 1986-1995 .