Lotic aquatic insects in the alpine zone of Daisetsuzan National Park, Hokkaido

Yasuhiko Konno, Hiroyuki Nishimoto, Hiroki Maruyama, Takashi Torii, Shin ichi Ishiwata

    Research output: Contribution to journalArticlepeer-review

    2 Citations (Scopus)

    Abstract

    We investigated the aquatic insect fauna of two streams in the Daisetsuzan National Park; the Hokkaizawa Stream (144°60.33′E, 41°5.48′ N, 1,840 m a.s.l.) and the Akaishi Stream (144°65.58′ E, 41°20.54′N, 1,830 m a.s.l). Of the 10 taxa were collected in the Hokkaizawa Stream, Apatania sp. (Trichoptera) were dominant. In the Akaishi Stream, among 3 taxa collected, Nemoura spp. (Plecoptera) were dominant. There were no taxa common to the two streams. The Akaishi Stream has a mean pH of 3.1. This acidic PH accounts for the different species composition of aquatic entomofauna in the two streams.

    Original languageEnglish
    Pages (from-to)141-144
    Number of pages4
    JournalJapanese Journal of Limnology
    Volume64
    Issue number2
    DOIs
    Publication statusPublished - 2003 Aug

    Keywords

    • Acid stream
    • Alpine zone
    • Daisetsuzan National Park
    • Lotic aquatic insects

    ASJC Scopus subject areas

    • Aquatic Science
    • Ecology
    • Water Science and Technology

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