基于環(huán)境DNA宏條形碼技術的大洋河下游魚類多樣性研究

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中圖分類號S932. 文獻標識碼A文章編號 0517-6611（2025）12-0059-06

doi：10.3969/j.issn.0517-6611.2025.12.015

開放科學（資源服務）標識碼（OSID）：

Study on the Fish Diversity in the Downstream of Dayang River Based on Environmental DNA Metabarcoding Technology ZHUChun-yue，YANGPei-min，LIUZhong-hangetal（LiaoningItituteofFreshwaterFisheries/LiaoningKeyLaboratoryofquatic Animal Diseases Control，Liaoyang，Liaoning111000）

AbstractInodetounderstandthspecicompositooftifisspecisommunitisandprotectheirdiversityintedowsteamof DayangRiverviroetalDmetabarodinehgasusdtoaletespisdvesityofsiedostreaoagi er.Throughthecolletionandhigh-troughputsequencingaalysisofDA（eDNA）samplesfromthedownstreamenvironentoftheDayang River，atotalofsiesofsectediplsfrotreaftaoitga，， 9orders.Amongtherders，Cypriniforeshdthelgestspeiesumber34speies）folowdbyGobfos（1Ospecies）llfs speciesHophalmchorinlematocesdilssdgheratiedaethotaleatiea 83.85% .Overall，thediversiyandabundanceoffshatestuarinesites（K）werelowerhilethoseinLingdongsection（S）wereighr.Comparedwithtradioalsiods，oealetabarodinhdthdaagofstigssiivitydiou beusedaasupnttodalsysouesuryTsdyouldeichtesructuraladfucioaloaoofsoucs inthlowerrachsofthengRivendproidesicfaiosuprtsforthsteatcaagentdesatoofishc in this water area.

KeyWordsEnvironmental DNA（eDNA） technology;Fish diversity;Dayang River

大洋河發(fā)源于遼寧省岫巖縣偏嶺鄉(xiāng)一棵樹嶺南側，流經岫巖縣，至東港市黃土坎入黃海[1]。（剩余11501字）