Aquatic insect diversity in a tropical Vietnamese stream in comparison with that in a temperate Korean stream

Duc Huy Hoang, Yeon Jae Bae

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

A comparative investigation on aquatic insect diversity was conducted in a tropical stream in Southeast Asia (the Dak Pri stream in southern Vietnam; stream orders II-V, two sites per stream order) with a reference temperate stream in Northeast Asia (the Gapyeong stream in central Korea) in March 2001 and April 2000, respectively. The numbers of aquatic insect taxa in Dak Pri stream (268 species, mostly undescribed, 230 genera, 91 families, and 9 orders; 110.5 ± 17.1 species per site) were about twice those in Gapyeong stream (133 species, 98 genera, 51 families, and 8 orders; 60.3 ± 8.5 species per site). Coleoptera, Trichoptera, Ephemeroptera, and Diptera were the major aquatic insect orders with high taxonomic richness, and Coleoptera, Odonata, and Hemiptera contributed to the higher degree of aquatic insect diversity in Dak Pri stream. The species diversity indices of Dak Pri stream (4.37 ± 0.19) were higher than those of Gapyeong stream (3.73 ± 0.42), whereas the dominance indices of Dak Pri stream (0.195 ± 0.046) were lower than those of Gapyeong stream (0.346 ± 0.113). Collector-gatherers were predominant in both streams; shredders were more abundant in Dak Pri stream while scrapers were more abundant in Gapyeong stream. Factors affecting the higher degree of aquatic insect diversity in Dak Pri stream are discussed.

Original languageEnglish
Pages (from-to)45-55
Number of pages11
JournalLimnology
Volume7
Issue number1
DOIs
Publication statusPublished - 2006 Apr 1
Externally publishedYes

Fingerprint

aquatic insects
insect
comparison
Coleoptera
scrapers
Odonata
Trichoptera
Ephemeroptera
collectors
diversity index

Keywords

  • Aquatic insect fauna
  • Biodiversity
  • Community composition
  • Tropical stream
  • Vietnam

ASJC Scopus subject areas

  • Water Science and Technology

Cite this

Aquatic insect diversity in a tropical Vietnamese stream in comparison with that in a temperate Korean stream. / Hoang, Duc Huy; Bae, Yeon Jae.

In: Limnology, Vol. 7, No. 1, 01.04.2006, p. 45-55.

Research output: Contribution to journalArticle

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