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    Author(s): Iwan Ho; Ching Yan. Li
    Date: 1987
    Source: Res. Note. PNW-RN-467. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 8 p
    Publication Series: Research Note (RN)
    Station: Pacific Northwest Research Station
    PDF: View PDF  (350 KB)

    Description

    The microbial and chemical properties of log ponds along the Oregon coast were investigated. The log ponds were highly eutrophic, containing high concentrations of ammonium and nitrate nitrogen, phosphate, and organic compounds. Because of large microbial populations, the biochemical oxygen demand was high and dissolved oxygen was low. Bacterial species in log ponds were relatively similar to those found in streams with rich nutrient content. Most of the fungi in log ponds were lymabiont and lymaphilous. Some fungal species reportedly associated with fish disease were present in log ponds and in ponds without log storage as well.

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    Citation

    Ho, Iwan; Li, Ching Yan. 1987. Microbial and chemical properties of log ponds along the Oregon Coast. Res. Note. PNW-RN-467. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 8 p

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    Keywords

    Biochemical oxygen demand, bacteria, fungi, residue

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