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      <marc:subfield code="a">Manning, Philip G., </marc:subfield>
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      <marc:subfield code="a">Rates of reflux of phosphorus from the in-place sediments of the Bay of Quinte / </marc:subfield>
      <marc:subfield code="c">P.G. Manning and X. Wang.</marc:subfield>
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      <marc:subfield code="a">[Burlington, Ontario] : </marc:subfield>
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      <marc:subfield code="a">"The rates of reflux of bioavailable phosphorus from in-place sediment in Upper Bay of Quinte are consistent with continuing eutrophic conditions. Rates are significantly greater at a site 6 km west of Belleville than at a site 6 km east of Belleville, in the western end of Big Bay. Rates of reflux in Big Bay may have decreased since the measurements of 1988/89, possibly as a consequence of reductions in inputs, from the sewage treatment plants. The recent zebra mussel infestation may cause further decreases in rates of reflux in future years since less organic matter, in the form of algal remains, is deposited to the sediments. The overall outlook is for clearer water"--Abstract.</marc:subfield>
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      <marc:subfield code="a">National Water Research Institute (Canada)</marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-98-255-eng.pdf</marc:subfield>
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