Winter distribution pattern of Japanese eight-barbel loach in a conservation pond supplied with pumped groundwater

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Other Title
  • 地下水を水源とする保全池における冬期のホトケドジョウの分布パターン

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Abstract

The winter distribution pattern of Japanese eight-barbel loach Lefua echigonia, in a controlled groundwater input conservation pond, varied with changes in input the position, the loach population showing aggregated dispersion. The distribution pattern, apparently dependent upon groundwater-inflow, was shown by multiple regression analysis to be strongly influenced by water temperature. Aggregation of the loach at groundwater-inflow sites that were warmer than elsewhere in the pond may indicate avoidance of low winter water temperatures, illustrating the importance of spring water for this loach in the winter season.

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Details 詳細情報について

  • CRID
    1390282680489687808
  • NII Article ID
    130003397791
  • NII Book ID
    AN00063212
  • DOI
    10.11369/jji.57.161
  • ISSN
    18847374
    00215090
  • Text Lang
    ja
  • Data Source
    • JaLC
    • CiNii Articles
  • Abstract License Flag
    Disallowed

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