00000nam 2200000za 4500 9.853046 CaOODSP 20241203113642 cr ||||||||||| 180307t19811982sncd||||o f000 0 eng d CaOODSP eng eng fre n-cn-mb En36-502/128E-PDF Chacko, V. T. Seasonal variation of nitrogen and phosphorus species in the Red River [electronic resource] / V.T. Chacko, B.C.S. Chu and Wm. D. Gummer. Regina, Sask. : Environment Canada, 1981, c1982. v, 12 p. : charts. Scientific series ; no. 128 Digitized edition from print [produced by Environment and Climate Change Canada]. Issued by the Inland Waters Directorate, Western and Northern Region, Water Quality Branch. Issued also in French under title: Variations saisonnières des espèces d'azote et de phosphore dans la rivière Rouge. Includes bibliographical references. "The Red River flows from the United States through Manitoba and into the south basin of Lake Winnipeg. Significant seasonal variations in nitrogen and phosphorus species, concentration and ratios occurred in the Red River during a study conducted at the border between Canada and the United States"--Abstract. Includes abstract in French. gccst Water quality Nitrogen Phosphorus Chu, B. C. S. Gummer, William D. Canada. Environment Canada. Canada. Inland Waters Directorate. Western and Northern Region. Water Quality Branch. Variations saisonnières des espèces d'azote et de phosphore dans la rivière Rouge (CaOODSP)9.853058 Scientific series (Canada. Inland Waters Directorate) no. 128 (CaOODSP)9.823618 PDF 881 KB https://publications.gc.ca/collections/collection_2018/eccc/En36-502-128-eng.pdf