Korean Journal of Fisheries and Aquatic Sciences (한국수산과학회지)

The Korean Society of Fisheries and Aquatic Science (한국수산과학회)
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Ichthyofauna collected from reservoirs in Pohang-si, Gyeongsangbuk-do

경상북도 포항시 저수지에서 채집된 어류상

  • Yoo, Dong-Jae (Gyeongsangbuk-do Research Center for Freshwater Fishes) ;
  • Han, Kyeong-Ho (College of Fisheries & Ocean Sciences, Chonnam National University) ;
  • Lee, Sung-Hoon (College of Fisheries & Ocean Sciences, Chonnam National University) ;
  • Yim, Hu-Soon (Pohang Regional Maritime Affairs & Fisheries Office) ;
  • Hwang, Jae-Ho (Eco Marine Bio Center, Chonnam National University) ;
  • Lee, Jin-Hee (College of Fisheries & Ocean Sciences, Chonnam National University) ;
  • Kang, Kyeong-Wan (College of Fisheries & Ocean Sciences, Chonnam National University)
  • 유동재 (경상북도 민물고기연구센터) ;
  • 한경호 (전남대학교 수산해양대학) ;
  • 이성훈 (전남대학교 수산해양대학) ;
  • 임후순 (포항지방해양수산청) ;
  • 황재호 (전남대학교 친환경해양바이오특성화사업단) ;
  • 이진희 (전남대학교 수산해양대학) ;
  • 강경완 (전남대학교 수산해양대학)
  • Published : 2008.10.31
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Abstract

The ichthyofauna of certain reservoirs in Pohang-si, Gyeongsangbuk-do, were studied during the period from October 7-19, 2005. During the study period, 9,480 individuals (ind.) belonging to 22 species, 17 genera, 8 families and 4 orders were collected. Of these, 11 species were cyprinidae fishes, and the dominant species was Pseudorasbora parva (relative abundance 47.14%). There were six Korean endemic species (289 ind., relative abundance 3.04%), including Squalidus chankaensis tsuchigae, Squalidus mulimaculatus, Hemiculter eigenmanni, Iksookimia yongdokensis and Coreoperca herzi, and the dominant Korean endemic species was Pseudobagrus brevicorpus (relative abundance 3.04%) collected in Hoehakji, Cheonggyeji, Ahnsimji and Mabukji. There were five introduced species. Three species, including Hemiculter eigenmanni, Pseudobagrus fulvidraco and Hypomesus nipponensis, were introduced from other native stream systems, and two species, including Carassius cuvieri and Lepomis macrochirus, originated in foreign countries. Of these, Lepomis macrochirus (l,521 ind., relative abundance 16.05%) was collected at the all reservoirs except at Gidongji. These results suggest that the exotic fishes in question have been widely dispersed within the reservoirs in Pohang-si.

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