00000nam 2200000zi 4500 9.879342 CaOODSP 20241203113652 m o d f cr bn||||||||| 190917s1982 oncab ob f000 0 eng d CaOODSP eng rda CaOODSP eng eng fre n-cn-bc x7x7 En40-240/82-17E-PDF Bourque, S., author. A preliminary assessment of water quality and biota in the Serpentine and Nicomekl Rivers and Mahood Creek, 1974-75 / by S. Bourque and G. Hebert. [Ottawa] : Department of Environment, Environmental Protection Service, 1982. 1 online resource (xiv, 70 pages) : illustrations, maps. text txt rdacontent computer c rdamedia online resource cr rdacarrier Regional program report ; 82-17 "December 1982." Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references (pages 56-58). "A program of regular sampling for 16 routine water quality parameters; bottom macrointervertebrate populations; periphyton populations, biomass and pigment content; and levels of various metals in fish flesh was undertaken on Mahood Creek and the Serpentine and Nicomekl Rivers from June 1974 until November 1975. Salmonid populations in these streams could be harmed if intensive farming practices in the lowlands and increased urbanization in the uplands is not managed to protect water quality and maintain adequate water flows"--Abstract, page i. Issued also in print format. Includes abstracts in English and French. gccst Watercourses gccst Water quality gccst Aquatic animals Hébert, G., author. Canada. Environment Canada. Canada. Environmental Protection Service. Regional program report (Canada. Environmental Protection Service. Pacific Region) 82-17. (CaOODSP)9.879151 PDF 2.52 MB https://publications.gc.ca/collections/collection_2019/eccc/en40-240/En40-240-82-17-eng.pdf