Article (Scientific journals)
Evaluating Ecosystem Characteristics and Ecological Carrying Capacity for Marine Fauna Stock Enhancement Within a Marine Ranching System.
Feng, Jie; Yu, Haolin; Wu, Lingjuan et al.
2025In Animals, 15 (2), p. 165
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Keywords :
carrying capacity; index system; marine ranching; scenarios simulation; stock enhancement
Abstract :
[en] China has recently launched extensive marine ranching projects, highlighting the need for scientific evaluation of ecosystem structure and function to guide their development. This study established two energy flow models and an evaluation index system to assess the structure, function, carrying capacity, and ecological status of both a marine ranching ecosystem and a nearby control site in the Beibu Gulf. The results show that the ranching ecosystem outperformed the control ecosystem in terms of food chain length, system size, and ecological carrying capacity of economically important species. The ranching ecosystem was classified as "relatively good", while the control ecosystem was deemed "relatively poor", which may confirm the success of the ranching efforts. Mussels, large crabs, and scorpaenidae were identified as key species for stock enhancement based on their biomass potential. Scenario simulations using Ecosim, driven by biomass and fishing factors, indicate that stock enhancement strategies targeting MOB (mussels, oysters, and barnacles) significantly improved the ranching ecosystem, raising its status to "good". However, the simulations also revealed that stock enhancement had limited effects on optimizing food web structure, system organization, and energy transfer efficiency, suggesting that a combination of strategies is necessary for further improvement.
Disciplines :
Aquatic sciences & oceanology
Author, co-author :
Feng, Jie  ;  North China Sea Marine Forecasting Center of State Oceanic Administration, Qingdao 266061, China ; Key Laboratory of Ecological Prewarning, Protection and Restoration of Bohai Sea, Ministry of Natural Resources, Qingdao 266033, China ; Shandong Provincial Key Laboratory of Marine Ecological Environment and Disaster Prevention and Mitigation, Qingdao 266061, China
Yu, Haolin  ;  Université de Liège - ULiège > Freshwater and OCeanic science Unit of reSearch (FOCUS) ; Laboratory for Marine Science and Technology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China ; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266400, China ; CAS Engineering Laboratory for Marine Ranching, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266400, China ; CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266400, China
Wu, Lingjuan;  North China Sea Marine Forecasting Center of State Oceanic Administration, Qingdao 266061, China ; Shandong Provincial Key Laboratory of Marine Ecological Environment and Disaster Prevention and Mitigation, Qingdao 266061, China
Yuan, Chao;  North China Sea Marine Forecasting Center of State Oceanic Administration, Qingdao 266061, China ; Shandong Provincial Key Laboratory of Marine Ecological Environment and Disaster Prevention and Mitigation, Qingdao 266061, China
Zhao, Xiaolong;  North China Sea Marine Forecasting Center of State Oceanic Administration, Qingdao 266061, China ; Shandong Provincial Key Laboratory of Marine Ecological Environment and Disaster Prevention and Mitigation, Qingdao 266061, China
Sun, Huiying;  North China Sea Marine Forecasting Center of State Oceanic Administration, Qingdao 266061, China ; Shandong Provincial Key Laboratory of Marine Ecological Environment and Disaster Prevention and Mitigation, Qingdao 266061, China
Cheng, Cheng;  Laboratory for Marine Science and Technology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China ; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266400, China ; CAS Engineering Laboratory for Marine Ranching, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266400, China ; CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266400, China
Li, Yifei;  North China Sea Marine Forecasting Center of State Oceanic Administration, Qingdao 266061, China ; Shandong Provincial Key Laboratory of Marine Ecological Environment and Disaster Prevention and Mitigation, Qingdao 266061, China
Sun, Jingyi;  North China Sea Marine Forecasting Center of State Oceanic Administration, Qingdao 266061, China ; Shandong Provincial Key Laboratory of Marine Ecological Environment and Disaster Prevention and Mitigation, Qingdao 266061, China
Li, Yan;  Guangxi Academy of Oceanography, Nanning 530022, China
Wang, Xiaolong;  Marine Science Research Institute of Shandong Province, Qingdao 266104, China
Shang, Yongjun;  Laboratory for Marine Science and Technology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China ; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266400, China ; CAS Engineering Laboratory for Marine Ranching, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266400, China ; CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266400, China
Xu, Jiangling;  North China Sea Marine Forecasting Center of State Oceanic Administration, Qingdao 266061, China ; Shandong Provincial Key Laboratory of Marine Ecological Environment and Disaster Prevention and Mitigation, Qingdao 266061, China
Zhang, Tao;  Laboratory for Marine Science and Technology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China ; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266400, China ; CAS Engineering Laboratory for Marine Ranching, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266400, China ; CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266400, China
More authors (4 more) Less
 These authors have contributed equally to this work.
Language :
English
Title :
Evaluating Ecosystem Characteristics and Ecological Carrying Capacity for Marine Fauna Stock Enhancement Within a Marine Ranching System.
Publication date :
10 January 2025
Journal title :
Animals
eISSN :
2076-2615
Publisher :
Multidisciplinary Digital Publishing Institute (MDPI), Switzerland
Volume :
15
Issue :
2
Pages :
165
Peer reviewed :
Peer Reviewed verified by ORBi
Funding text :
This research was funded by the National Key R&D Program of China (2022YFD2401301), the Primary Research and Development Plan of Guangxi Province (grant no. AB21220064), National Natural Science Foundation of China (grant nos. 42106102 and 42306151), the program supported by the China National Offshore Oil Corporation Marine Environment and Ecological Protection Public Welfare Foundation (grant no. CF-MEEC/TR/2024-5), the program supported by the Key Laboratory of Ecological Prewarning, Protection, and Restoration of Bohai Sea, Ministry of Natural Resources (grant no. 2023109).
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