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Diversity
Special Issues
Applications on Environmental DNA in Aquatic Ecology and Biodiversity
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Applications on Environmental DNA in Aquatic Ecology and Biodiversity

A special issue of Diversity (ISSN 1424-2818).

Deadline for manuscript submissions: 31 December 2024 | Viewed by 2615

Special Issue Editors

Dr. Yahui Zhao

E-Mail Website
Guest Editor
Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
Interests: taxonomy; zoogeography; diversity conservation of freshwater fishes; cavefishes; evolution in extreme environments
Special Issues, Collections and Topics in MDPI journals
Dr. Yingchun Xing

E-Mail Website
Guest Editor
Natural Resource and Environment Research Center, Chinese Academy of Fishery Sciences, Beijing 100141, China
Interests: freshwater fish; conservation; freshwater ecosystem; eDNA

Special Issue Information

Dear Colleagues,

The Diversity journal is launching a Special Issue dedicated to using eDNA as a tool for aquatic ecology and biodiversity biomonitoring. Environmental DNA technology is gradually maturing and is currently widely used in aquatic ecosystem monitoring and biodiversity surveys worldwide, while research on biodiversity, species conservation, distribution patterns, and ecosystems based on environmental DNA survey results has also been booming.

In this context, this Special Issue focuses on the latest progress of environmental DNA in the aquatic ecology and biodiversity research fields. We will gather the latest research achievements of outstanding scientists from different regions around the world, concentrate on showing the frontier trends of environmental DNA development, and further promote the application of environmental DNA in scientific research and practical protection management.

Dr. Yahui Zhao
Dr. Yingchun Xing
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Diversity is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2100 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • environmental DNA
  • eDNA
  • biomonitoring
  • fish
  • conservation
  • biodiversity

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (2 papers)

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Research

15 pages, 2482 KiB  
Article
Fish Diversity in a Little-Known Border River Between China, North Korea, and Russia, According to Traditional and eDNA Surveys
by Chen Tian, Zhixian Sun, Yutian Fang, Dong Sheng, Bo Li, Cunqi Liu and Yahui Zhao
Diversity 2024, 16(11), 704; https://doi.org/10.3390/d16110704 - 18 Nov 2024
Viewed by 571
Abstract
The Tumen River, which delineates the border between China, North Korea, and Russia, is a vital river in Northeast Asia. Understanding its current fish diversity holds significant scientific value for aquatic ecological protection. Therefore, traditional and eDNA sampling were conducted from 2022 to [...] Read more.
The Tumen River, which delineates the border between China, North Korea, and Russia, is a vital river in Northeast Asia. Understanding its current fish diversity holds significant scientific value for aquatic ecological protection. Therefore, traditional and eDNA sampling were conducted from 2022 to 2023. Integrating the historical literature with our field collection results reveals that the Tumen River has a total of 64 native fish species, of which 51 species have been surveyed in the wild. The fish composition is mainly dominated by cold-water species, with a high proportion of these being rare, endangered, and nationally protected. eDNA surveys are crucial complements in boundary rivers where traditional methods are not feasible. The results indicated that α diversity values were highest in the Hunchunhe River, attributed to the favorable natural geographical conditions and effective conservation efforts. Recently, the fish diversity in the Tumen River has been disrupted, primarily reflected in the absence of migratory species such as Oncorhynchus gorbuscha and Pseudaspius hakonensis. The study suggests that establishing nature reserves, preventing and controlling alien species, and strengthening international cooperation are key to protect fish diversity. Full article
(This article belongs to the Special Issue Applications on Environmental DNA in Aquatic Ecology and Biodiversity)
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20 pages, 2440 KiB  
Article
Biodiversity Assessment of a Mississippi River Backwater Complex Using eDNA Metabarcoding
by Eric J. Ludwig, Veronica M. Lee, Leah K. Berkman, Aaron D. Geheber and David D. Duvernell
Diversity 2024, 16(8), 495; https://doi.org/10.3390/d16080495 - 14 Aug 2024
Viewed by 1364
Abstract
The backwater lowland habitats of large rivers, like the Mississippi River in North America, present complex and often inaccessible environments for traditional capture-based fish biodiversity sampling. Our knowledge of the assemblages of the fishes that occupy such habitats is often incomplete, and this [...] Read more.
The backwater lowland habitats of large rivers, like the Mississippi River in North America, present complex and often inaccessible environments for traditional capture-based fish biodiversity sampling. Our knowledge of the assemblages of the fishes that occupy such habitats is often incomplete, and this can compromise management efforts. We employed environmental DNA (eDNA) metabarcoding methods to sample a Mississippi River bottom wetland system to assess the ichthyofaunal diversity and the assemblage structure across habitat types, and we compared our results with capture-based survey records for the same habitats. We collected water samples in the spring and fall of 2022 from slough, ditch, shallow lake, and bayou habitats that varied in depth, vegetation, seasonal variability, and connectivity to the Mississippi River channel. We detected a diverse array of fish species that included 51 taxa. Nearly all the species previously documented in the habitats were detected using eDNA metabarcoding, and we increased the number of documented species by more than a third. Most of the species were ubiquitous across the range of habitats, but there was also a substantial assemblage structure, with some species exhibiting clear habitat specificity. Fall sampling was limited to the deeper bayou habitats where seasonal variation between the spring and fall was minimal. eDNA metabarcode sampling was demonstrated to be effective at detecting invasive species as well as uncommon species, which included several species of conservation concern. Full article
(This article belongs to the Special Issue Applications on Environmental DNA in Aquatic Ecology and Biodiversity)
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