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Environmental DNA Based Assessment of Fish Diversity in the Yarlung Zangbo River, Tibetan Plateau.

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Title: Environmental DNA Based Assessment of Fish Diversity in the Yarlung Zangbo River, Tibetan Plateau.
Authors: Wang, Haiyu1,2 (AUTHOR), Wu, Qianqian3 (AUTHOR), Li, Shenhui1,2 (AUTHOR), Jin, Hongyu1 (AUTHOR), Zhang, Zepeng1 (AUTHOR), Lu, Wanqiao1 (AUTHOR), Liu, Fei4 (AUTHOR), Wang, Guishuang4 (AUTHOR), Li, Lei1 (AUTHOR) lilei12100821@163.com
Source: Ecology & Evolution (20457758). Nov2025, Vol. 15 Issue 11, p1-11. 11p.
Subject Terms: *Fish diversity, *Biodiversity monitoring, *Conservation projects (Natural resources), *Metagenomics, *Aquatic ecology, *Riparian areas, *Introduced species
Geographic Terms: China, Tibet (China), Tibetan Plateau
Abstract: Biodiversity is under unprecedented threat globally, with ecosystems vulnerable to climate change and detrimental anthropogenic impacts. Accurate assessments of biodiversity are essential to the development of effective conservation strategies. We investigated the fish diversity of the Yarlung Zangbo River of the Tibetan Plateau using environmental DNA (eDNA) technology. Water samples collected from 18 sampling sites revealed 18 fish species, including six unique to Tibet and one on China's list of State Key Protected Wild Animals, Oxygymnocypris stewartii. Schizopygopsis younghusbandi is widely distributed, with stable populations in all sampling sites. Non‐metric multidimensional scaling analyses showed fish community composition to vary with elevation, although the data did not reach significance. Spearman correlation analyses revealed significant associations of fish species with environmental factors including flow velocity, water temperature, conductivity, and total dissolved solids. Eight exotic fish species were detected, highlighting the potential threat posed by non‐native species to the river fish diversity. This study confirms the efficacy of eDNA technology in assessing aquatic biodiversity and its broad applicability as a versatile tool for fish conservation and management, across diverse aquatic ecosystems. In contrast to traditional methods, eDNA offers a non‐invasive, simpler, and more efficient approach for detecting a broad range of species, including those that are rare or difficult to capture. The findings emphasize the need for future research to integrate traditional survey methods and eDNA technology to comprehensively assess ecosystem biodiversity and develop targeted conservation strategies. [ABSTRACT FROM AUTHOR]
Copyright of Ecology & Evolution (20457758) is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Environmental DNA Based Assessment of Fish Diversity in the Yarlung Zangbo River, Tibetan Plateau.
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Haiyu%22">Wang, Haiyu</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wu%2C+Qianqian%22">Wu, Qianqian</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Shenhui%22">Li, Shenhui</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Jin%2C+Hongyu%22">Jin, Hongyu</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Zepeng%22">Zhang, Zepeng</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lu%2C+Wanqiao%22">Lu, Wanqiao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Fei%22">Liu, Fei</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Guishuang%22">Wang, Guishuang</searchLink><relatesTo>4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Lei%22">Li, Lei</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> lilei12100821@163.com</i>
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  Data: <searchLink fieldCode="JN" term="%22Ecology+%26+Evolution+%2820457758%29%22">Ecology & Evolution (20457758)</searchLink>. Nov2025, Vol. 15 Issue 11, p1-11. 11p.
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  Data: *<searchLink fieldCode="DE" term="%22Fish+diversity%22">Fish diversity</searchLink><br />*<searchLink fieldCode="DE" term="%22Biodiversity+monitoring%22">Biodiversity monitoring</searchLink><br />*<searchLink fieldCode="DE" term="%22Conservation+projects+%28Natural+resources%29%22">Conservation projects (Natural resources)</searchLink><br />*<searchLink fieldCode="DE" term="%22Metagenomics%22">Metagenomics</searchLink><br />*<searchLink fieldCode="DE" term="%22Aquatic+ecology%22">Aquatic ecology</searchLink><br />*<searchLink fieldCode="DE" term="%22Riparian+areas%22">Riparian areas</searchLink><br />*<searchLink fieldCode="DE" term="%22Introduced+species%22">Introduced species</searchLink>
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  Data: <searchLink fieldCode="DE" term="%22China%22">China</searchLink><br /><searchLink fieldCode="DE" term="%22Tibet+%28China%29%22">Tibet (China)</searchLink><br /><searchLink fieldCode="DE" term="%22Tibetan+Plateau%22">Tibetan Plateau</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Biodiversity is under unprecedented threat globally, with ecosystems vulnerable to climate change and detrimental anthropogenic impacts. Accurate assessments of biodiversity are essential to the development of effective conservation strategies. We investigated the fish diversity of the Yarlung Zangbo River of the Tibetan Plateau using environmental DNA (eDNA) technology. Water samples collected from 18 sampling sites revealed 18 fish species, including six unique to Tibet and one on China's list of State Key Protected Wild Animals, Oxygymnocypris stewartii. Schizopygopsis younghusbandi is widely distributed, with stable populations in all sampling sites. Non‐metric multidimensional scaling analyses showed fish community composition to vary with elevation, although the data did not reach significance. Spearman correlation analyses revealed significant associations of fish species with environmental factors including flow velocity, water temperature, conductivity, and total dissolved solids. Eight exotic fish species were detected, highlighting the potential threat posed by non‐native species to the river fish diversity. This study confirms the efficacy of eDNA technology in assessing aquatic biodiversity and its broad applicability as a versatile tool for fish conservation and management, across diverse aquatic ecosystems. In contrast to traditional methods, eDNA offers a non‐invasive, simpler, and more efficient approach for detecting a broad range of species, including those that are rare or difficult to capture. The findings emphasize the need for future research to integrate traditional survey methods and eDNA technology to comprehensively assess ecosystem biodiversity and develop targeted conservation strategies. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Ecology & Evolution (20457758) is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1002/ece3.72496
    Languages:
      – Code: eng
        Text: English
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      Pagination:
        PageCount: 11
        StartPage: 1
    Subjects:
      – SubjectFull: Fish diversity
        Type: general
      – SubjectFull: Biodiversity monitoring
        Type: general
      – SubjectFull: Conservation projects (Natural resources)
        Type: general
      – SubjectFull: Metagenomics
        Type: general
      – SubjectFull: Aquatic ecology
        Type: general
      – SubjectFull: Riparian areas
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      – SubjectFull: Introduced species
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      – SubjectFull: China
        Type: general
      – SubjectFull: Tibet (China)
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      – SubjectFull: Tibetan Plateau
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      – TitleFull: Environmental DNA Based Assessment of Fish Diversity in the Yarlung Zangbo River, Tibetan Plateau.
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              M: 11
              Text: Nov2025
              Type: published
              Y: 2025
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