Korean Journal of Ecology and Environment (생태와환경)

The Korean Society of Limnology (한국수생태학회)
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Aquatic Oligochaete (Annelida: Clitellata) Fauna from the Jungnang Stream in Seoul, Korea, with Eight New Korean Records

  • Park, Hyung Joon (College of Life Sciences and Biotechnology, Korea University) ;
  • Timm, Tarmo (College of Life Science, Estonian University) ;
  • Bae, Yeon Jae (College of Life Sciences and Biotechnology, Korea University)
  • Received : 2013.09.30
  • Accepted : 2013.12.11
  • Published : 2013.12.31
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Abstract

Aquatic oligochaetes were investigated from a small amount of sediment sampled from the Jungnang Stream, an urban stream in Seoul, Korea, in November 2012. Sorted oligochaetes were observed under a light microscope in a drop of carbonated water, and then preserved in 70% ethanol. Some specimens were slide mounted using glycerin and Eupharal. As a result, the following 12 species were identified including 8 new Korean records, Bothrioneurum vejdoskyanum Stolc, Branchiodrilus hortensis (Stephenson), Chaetogaster cristalinus Vejdosky, Nais communis Piguet, Nais pardalis Piguet, Dero obtusa d'Udekem, Piguetiella denticulata Liang, and Haemonais waldvogeli Brescher and 4 additional known species, Limnodrilus hoffmeisteri Cleparede, Branchiura sowerbyi Beddard, Chaetogaster diastrophus (Gruithuisen), and Stylaria fossularis Leidy. This study shows how freshwater oligochaetes are diverse even in urban streams in Korea, if a proper sampling and examining method is employed.

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References

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