안동댐유역의 어류상과 어류군집구조
1997
The ichthyofauna and the structure of fish community were surveyed at seven stations of Andong-Dam area from May to November 1996. During the surveyed peried 39 species belonging 12 families were collected. Of them cyprinid fish occupied 59.0% (23 species), cobitid fish 7.7% (3 species) and silurid, centrarchid and gobiid fishes 5.1% each (2 species). 11 out of 39 species (28.2%) were known as Korean endemic species. The number of species over 5% in relative abundance was 15 species in stream area but was 7 species in dam area. Zacco temmincki, Zacco platypus, and Pungtungia herzi dominated in stream area but Hemiculter eigenmanni, Lepomis macrochirus, Culter brevicauda, Hemibarbus labeo and Pseudobagrus fulvidraco dominated in dam area. Introduced fishes in Andong-Dam area were 11 species, Of them Ctenopharyngodon idellus, Aristichthys nobilis, Cyprinus carpio nudus, Carassius suvieri, Ictalurus punctatus, Lepomis macrochirus and Micropterus salmoides were originated from foreign country but Hypomesus olidus, Plecoglossus and Pseudobagrus fulvidraco were introduced from other native river system.
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