EXAMINING ENVIRONMENTAL FACTORS AFFECTING FISH ASSEMBLAGE PATTERNS IN THE TRIBUTARIES USING QUANTITATIVE EDNA METABARCODING
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- MIYAZONO Seiji
- 山口大学大学院 創成科学研究科
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- KODAMA Takao
- 山口大学大学院 創成科学研究科 建設環境系専攻
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- AKAMATSU Yoshihisa
- 山口大学大学院 創成科学研究科
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- NAKAO Ryohei
- 山口大学大学院 創成科学研究科
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- TSUJI Satsuki
- 京都大学大学院 理学研究科
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- MIYAHIRA Hideaki
- 山口大学 工学部社会建設工学科
Bibliographic Information
- Other Title
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- 環境DNA定量メタバーコーディングによる河川支流の魚類群集に影響を与える環境要因の検討
Abstract
<p> In this study, we examined the fish assemblage patterns on different tributary habitat types (natural and artificial tributaries) and relationships between the fish assemblages and environmental factors in the Gonokawa River in Japan using quantitative environmental DNA (eDNA) metabarcoding. The analysis results indicate that the species richness in the natural tributary streams was higher than that in the irrigation channels. In addition, the eDNA concentrations of fishes that tend to prefer sand/gravel substrates or aquatic vegetation in the natural tributary streams were higher than those in the irrigation channels. Further, stream discharge was positively related to certain fishes. This study indicates that quantitative eDNA metabarcoding is an efficient monitoring tool, elucidating that artificial stream modifications would affect fish assemblage compositions in the tributaries.</p>
Journal
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- Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)
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Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering) 77 (2), I_547-I_552, 2021
Japan Society of Civil Engineers
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Details 詳細情報について
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- CRID
- 1390009640069880192
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- NII Article ID
- 130008160153
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- ISSN
- 2185467X
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- Text Lang
- ja
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- Data Source
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- JaLC
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed