A circumpolar study of surface zooplankton biodiversity of the Southern Ocean based on eDNA metabarcoding

doi:10.1016/j.envres.2024.119183

	A circumpolar study of surface zooplankton biodiversity of the Southern Ocean based on eDNA metabarcoding
	Zhang, Zishang 1,2,3,4; Bao, Yongchao 1; Fang, Xiaoyue 2,6; Ruan, Yilin 2,3,4,5; Rong, Yue 7; Yang, Guang 2,3,4,5
	2024-08-15
发表期刊	ENVIRONMENTAL RESEARCH
ISSN	0013-9351
卷号	255 页码:9
通讯作者	Yang, Guang(yangguang@qdio.ac.cn)
摘要	Under pressure from climate change and fishing, the Southern Ocean ecosystems have been changing. Zooplankton plays a vital role in the food web of the Southern Ocean and is crucial for maintaining ecosystem stability. Investigating the circumpolar-scale species composition and biodiversity of zooplankton is crucial for ensuring ecosystem-based conservation and management of the Southern Ocean in a changing climate. Here, we utilized eDNA metabarcoding to assess the biodiversity of zooplankton in the surface seawater surrounding the Antarctica based on samples collected during two expeditions spanning from 2021 to 2022. The main purpose of this paper is to provide more baseline information about circumpolar zooplankton biodiversity based on the emerging eDNA metabarcoding tool. This comprehensive approach led to the identification of over 300 distinct zooplankton species, forming a diverse community dominated by Jellyfish, Mollusca and Polychaete. Surprisingly, common dominant taxonomic groups such as krill and copepods in the Southern Ocean did not show high relative abundance (reads) in surface seawater. The results of redundancy analysis (RDA) and correlation analysis highlighted that water temperature and chlorophyll a had the most significant impact on the reads and diversity of zooplankton. Notably, the influence of water temperature on zooplankton seemed to be primarily indirect, potentially mediated by its effects on primary productivity. Increasing in primary production might lead to lower zooplankton biodiversity in the Southern Ocean in future. This research underscores the effectiveness of eDNA metabarcoding as a valuable tool for monitoring zooplankton diversity in open seas. Given the ongoing changes in temperature, sea ice extent and their impact on primary production, our findings lay a crucial foundation for using eDNA techniques to establish long-term biodiversity monitoring programs across extensive marine ecosystems in the future.
关键词	Southern ocean Zooplankton Biodiversity eDNA Environmental factors
DOI	10.1016/j.envres.2024.119183
收录类别	SCI
语种	英语
资助项目	Marine S&T Fund of Shandong Province for Qingdao Marine Science and Technology Center[2022QNLM030002-1] ; National Science Foundation of China[42276238] ; Impact and Response of Antarctic Seas to Climate Change[IRASCC 01-02-01D] ; Taishan Scholars Program
WOS研究方向	Environmental Sciences & Ecology ; Public, Environmental & Occupational Health
WOS类目	Environmental Sciences ; Public, Environmental & Occupational Health
WOS记录号	WOS:001246084600001
出版者	ACADEMIC PRESS INC ELSEVIER SCIENCE
WOS关键词	ENVIRONMENTAL DNA ; CLIMATE-CHANGE ; BODY-SIZE ; TEMPERATURE ; DIVERSITY ; SALINITY ; PHYTOPLANKTON ; SEA ; ABUNDANCE ; COPEPODS
引用统计	被引频次：1[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/186585
专题	海洋生态与环境科学重点实验室
通讯作者	Yang, Guang
作者单位	1.Qingdao Univ Sci & Technol, Coll Environm & Safety Engn, Qingdao 266042, Peoples R China 2.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, 7 Nanhai Rd, Qingdao 266071, Peoples R China 3.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China 4.Chinese Acad Sci, Ctr Ocean Mega Sci, 7 Nanhai Rd, Qingdao 266071, Peoples R China 5.Univ Chinese Acad Sci, Beijing 10049, Peoples R China 6.Shandong Univ Sci & Technol, Coll Safety & Environm Engn, Qingdao 266590, Peoples R China 7.Xiamen Univ, Coll Ocean & Earth Sci, Xiamen 361005, Peoples R China
第一作者单位	中国科学院海洋研究所
通讯作者单位	中国科学院海洋研究所
推荐引用方式 GB/T 7714	Zhang, Zishang,Bao, Yongchao,Fang, Xiaoyue,et al. A circumpolar study of surface zooplankton biodiversity of the Southern Ocean based on eDNA metabarcoding[J]. ENVIRONMENTAL RESEARCH,2024,255:9.
APA	Zhang, Zishang,Bao, Yongchao,Fang, Xiaoyue,Ruan, Yilin,Rong, Yue,&Yang, Guang.(2024).A circumpolar study of surface zooplankton biodiversity of the Southern Ocean based on eDNA metabarcoding.ENVIRONMENTAL RESEARCH,255,9.
MLA	Zhang, Zishang,et al."A circumpolar study of surface zooplankton biodiversity of the Southern Ocean based on eDNA metabarcoding".ENVIRONMENTAL RESEARCH 255(2024):9.