Trophic interactions of reef-associated predatory fishes (Hexagrammos otakii and Sebastes schlegelii) in natural and artificial reefs along the coast of North Yellow Sea, China
Zhang, Rongliang1,2,4; Liu, Hui1,3; Zhang, Qianqian1,3; Zhang, Hua2; Zhao, Jianmin1,3
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
2021-10-15
Volume791Pages:10
KeywordReef habitat Prey availability Trophic niche Habitat quality
DOI10.1016/j.scitotenv.2021.148250
Abstract

Large reef-associated predatory fishes play important roles in aquatic ecosystem along coast because of their ecological functions and economic values to recreational and commercial fisheries. This study was carried out to assess the function of artificial reefs as alternative habitats for two common reef-associated predatory fishes in the north of Yellow Sea, China, Fat Greenling Hexagrammos otakii and Korean rockfish Sebastes schlegelii. According to the catch per unit effort (CPUE), the biomass of predatory fishes at the artificial reef was comparable (H. otakii) to or higher (S. schlegelii) than the natural reef, highlighting the environmental fitness of the artificial reef. Gut content analysis (GCA) showed that H. otakii preyed primarily on Decapod and Amphipoda, while S. schlegelii exhibited higher dependence on fish (Blinniidae and Gobiidae) and Decapod. Collectively, prey richness and diversity were greater at the natural reef relative to the artificial reef, and prey availability may be different between the two reef types. Stable isotopic analysis (SIA) in conjunction with the Bayesian mixing model (MixSIAR) revealed spatial and interspecific difference on the diet composition of H. otakii and S. schlegelii as well. Based on GCA and MixSIAR result, the habitat-specific effect on the prey availability was confirmed. Additionally, comparisons on trophic niche breadth and niche overlap indicated higher trophic diversity but relatively lower food resources partitioning degree for both species at the natural reef than at the artificial reef. Our results suggest that artificial reefs may harbor a different prey assemblage comparing to natural reef but can support large populations of predatory reef-associated fishes and accommodate their coexistence. (c) 2021 Elsevier B.V. All rights reserved.

Funding OrganizationStrategic Pilot Project of Chinese Academy of Sciences ; National Natural Science Foundation of China ; Youth Innovation Promotion Association, Chinese Academy of Sciences ; Two-Hundred Talents Plan of Yantai
Indexed BySCI
Language英语
WOS KeywordSNAPPER LUTJANUS-CAMPECHANUS ; FEEDING ECOLOGY ; STABLE-ISOTOPES ; DIET ; HABITAT ; COMMUNITIES ; ASSEMBLAGES ; AGRAMMUS ; POSITION ; MODELS
WOS Research AreaEnvironmental Sciences & Ecology
WOS IDWOS:000686014900017
Citation statistics
Document Type期刊论文
Identifierhttp://ir.yic.ac.cn/handle/133337/29619
Collection中科院海岸带环境过程与生态修复重点实验室_海岸带环境过程实验室
海岸带生物学与生物资源利用重点实验室_海岸带生物学与生物资源保护实验室
中科院海岸带环境过程与生态修复重点实验室_污染过程与控制实验室
支撑部门_中国科学院牟平海岸带环境综合试验站
海岸带生物学与生物资源利用重点实验室_海岸带生物资源高效利用研究与发展中心
Corresponding AuthorZhao, Jianmin
Affiliation1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Res & Dev Ctr Efficient Utilizat Coastal Bioresou, Yantai 264003, Peoples R China
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc & Ecol Remedia, Yantai 264003, Peoples R China
3.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Muping Coastal Environm Res Stn, Yantai 264003, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Rongliang,Liu, Hui,Zhang, Qianqian,et al. Trophic interactions of reef-associated predatory fishes (Hexagrammos otakii and Sebastes schlegelii) in natural and artificial reefs along the coast of North Yellow Sea, China[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2021,791:10.
APA Zhang, Rongliang,Liu, Hui,Zhang, Qianqian,Zhang, Hua,&Zhao, Jianmin.(2021).Trophic interactions of reef-associated predatory fishes (Hexagrammos otakii and Sebastes schlegelii) in natural and artificial reefs along the coast of North Yellow Sea, China.SCIENCE OF THE TOTAL ENVIRONMENT,791,10.
MLA Zhang, Rongliang,et al."Trophic interactions of reef-associated predatory fishes (Hexagrammos otakii and Sebastes schlegelii) in natural and artificial reefs along the coast of North Yellow Sea, China".SCIENCE OF THE TOTAL ENVIRONMENT 791(2021):10.
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