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http://dx.doi.org/10.35399/ISK.34.4.6

An Identification of Domestic Habitat and Settlement of the Invasive Exotic Fish Brown Trout, Salmo trutta  

Cheol Woo Park (Alpha Research Ecology Institute)
Young-Jin Yun (Institute of Korea Eco-Network)
Jong Wook Kim (Alpha Research Ecology Institute)
Dae-Yeul Bae (Institute of Korea Eco-Network)
Jae Goo Kim (Alpha Research Ecology Institute)
Su Hwan Kim (National Institute of Ecology)
Publication Information
Korean Journal of Ichthyology / v.34, no.4, 2022 , pp. 270-276 More about this Journal
Abstract
In 2020 and 2022, the habitat of brown trout (Salmo trutta) was investigated in the Soyanggang River in Chuncheon, Gangwon province. As a result of the fish survey, A total of 43 individuals brown trout were identified. The total length of brown trout was widely confirmed from 60 cm or more to less than 10 cm. In January 2020, sperm release and spawn were observed in male and female confirmed at the St. 1. Brown trout were identified stably settled in the Soyanggang River and continues to live. In addition, benthic macroinvertebrates that can act as food sources of brown trout and abundantly inhabited. The riverbed structure is evenly composed of fine gravel and gravel, which constitutes the conditions necessary for habitat and spawning. However, the spawning grounds, spawned eggs and hatched fry have not yet been clearly identified, so continuous research is needed.
Keywords
Brown trout; Salom turtta; Soyanggang River; settlement;
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