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

1 Citation (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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