000 02023cam  2200373zi 4500
0019.874337
003CaOODSP
00520221107164150
006m     o  d f      
007cr bn|||||||||
008190606s1995    onca    ob   f000 0 eng d
040 |aCaOODSP|beng|erda|cCaOODSP
0861 |aEn13-5/95-17E-PDF
1001 |aBarica, J., |eauthor.
24510|aHypereutrophic lakes : |bcan they be saved? / |cby Jan Barica.
264 1|a[Ottawa] : |bEnvironment Canada, Water Science and Technology Directorate = Environnement canada, Direction générale des sciences et de la technologie, eau, |c[1995]
300 |a1 online resource (4 pages) : |billustrations.
336 |atext|btxt|2rdacontent
337 |acomputer|bc|2rdamedia
338 |aonline resource|bcr|2rdacarrier
4901 |a[NWRI contribution] ; |v95-17
500 |aCover title.
500 |aDigitized edition from print [produced by Environment and Climate Change Canada].
504 |aIncludes bibliographical references.
520 |a"Hypereutrophic lakes represent the ultimate stage of the eutrophication process, which is ecologically unstable and irreversible. Excessive input of nutrients from external sources leads to the "vicious circle" phenomenon, where the internal input of nutrients regenerated from the anoxic sediments is sufficient enough to drive the lake productivity by itself. Different strategies and radical in-lake measures are needed to rehabilitate them to some use. A summary of these is presented"--Page 1.
69207|2gccst|aLakes
69207|2gccst|aEcology
69207|2gccst|aRestoration
7101 |aCanada. |bEnvironment Canada.
7101 |aCanada. |bWater Science and Technology Directorate.
7102 |aNational Water Research Institute (Canada). |bAquatic Ecosystem Restoration Branch.
830#0|aNWRI contribution ;|v95-17.|w(CaOODSP)9.844121
85640|qPDF|s978 KB|uhttps://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-95-17-eng.pdf