Habitat zonation of the sand-burrowing mysids (Archaeomysis vulgaris, Archaeomysis japonica and liella ohshimai), and diel and tidal distribution of dominant Archaeomysis vulgaris, in an intermediate sandy beach at Fukiagehama, Kagoshima Prefecture, southern Japan

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Distribution patterns of the three species of sand-burrowing mysids, Archaeomysis vulgaris, Archaeomysis japonica and liella ohshimai were investigated, and also the diel and tidal distribution patterns of the dominant mysid A. vulgaris were investigated in the surf zone of an exposed and mesotidal sandy beach at Fukiagehama, Kagoshima Prefecture, southern Japan. The morphodynamic state of the beach was an intermediate type with a low-tide terrace or ridge/runnel. Habitat zonation was recognized among the three species during the entire study period (May and October of 2002 and 2003). A. vulgaris occurred from the high-water shoreline to the low-water shoreline during the daytime, whereas A. japonica was observed off the low-water shoreline and I. ohshimai was found far from the longshore bar. Habitats of A. vulgaris shifted along the beach slope, depending on the tidal changes at the shoreline. However, at low water in May of 2002 and 2003, most individuals of A. vulgaris were distributed in the intertidal runnel and on the lowtide terrace, rather than off the low-water shoreline. A. vulgaris had the highest population density of the three species, and fluctuations in its total mean density in the surf zone were estimated at each tide in May of 2003. These ranged from 2,956 indiv. m-2 at low water at night to 172 indiv. m-2 at middle water during the daytime. Distribution patterns characteristic of A. vulgaris are ecologically interpreted in relation to beach morphology, water flow regimes in the surf zone, and avoidance of fish-predation pressure.

収録刊行物

  • Plankton & benthos research  

    Plankton & benthos research 2(1), 38-48, 2007-02-01 

    日本プランクトン学会、日本ベントス学会

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各種コード

  • NII論文ID(NAID)
    10018876425
  • NII書誌ID(NCID)
    AA12130745
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    18808247
  • NDL 記事登録ID
    8690291
  • NDL 雑誌分類
    ZR1(科学技術--生物学)
  • NDL 請求記号
    Z54-J424
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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