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| 02083nam 2200397zi 4500 |
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| 001 | 9.888845 |
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| 003 | CaOODSP |
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| 005 | 20221107172117 |
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| 006 | m o d f |
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| 007 | cr bn||||||||| |
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| 008 | 200702s1976 oncab ob f000 0 eng d |
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| 040 | |aCaOODSP|beng|erda|cCaOODSP |
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| 043 | |anl----- |
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| 045 | |ax6x7 |
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| 086 | 1 |aEn36-522/125-1976E-PDF |
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| 100 | 1 |aDobson, H. F. H. |q(Hugh F. H.)|eauthor. |
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| 245 | 10|aEutrophication status of the Great Lakes / |cby Hugh F.H. Dobson. |
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| 264 | 1|aBurlington, Ontario : |bCanada Centre for Inland Waters, |c1976. |
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| 300 | |a1 online resource (124 pages) : |billustrations, map. |
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| 336 | |atext|btxt|2rdacontent |
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| 337 | |acomputer|bc|2rdamedia |
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| 338 | |aonline resource|bcr|2rdacarrier |
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| 490 | 1 |a[Unpublished report] |
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| 500 | |a"First draft, April 1976." |
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| 500 | |aDigitized edition from print [produced by Environment and Climate Change Canada]. |
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| 504 | |aIncludes bibliographical references (pages 85-94). |
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| 520 | 3 |a"Data on four eutrophication indicators, collected in the years 1966 to 1975 by the Canada Centre for Inland Waters, have been summarized. The data for offshore, near-surface waters are condensed to summertime averages for each year, to search for trends. The parameters are: Secchi transparency, chlorophyll a, particulate organic carbon, and total phosphorus. Basins examined are: Lakes Superior, Huron and Ontario and Central Lake Erie. Lake Michigan is omitted"--Abstract, page 4. |
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| 530 | |aIssued also in print format. |
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| 650 | 0|aEutrophication|zGreat Lakes (North America) |
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| 650 | 0|aWater quality|zGreat Lakes (North America) |
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| 650 | 6|aEutrophisation|zGrands Lacs (Amérique du Nord) |
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| 650 | 6|aEau|xQualité|zGrands Lacs (Amérique du Nord) |
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| 710 | 2 |aCanada Centre for Inland Waters, |eissuing body. |
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| 830 | #0|aUnpublished report (Canada Centre for Inland Waters)|w(CaOODSP)9.881827 |
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| 856 | 40|qPDF|s3.44 MB|uhttps://publications.gc.ca/collections/collection_2020/eccc/en36-522/En36-522-125-1976-eng.pdf |
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