Adaptive Fisheries Management in East Asia: Navigating Climate Change, POPs, and Microplastics

A special issue of Fishes (ISSN 2410-3888). This special issue belongs to the section "Environment and Climate Change".

Deadline for manuscript submissions: 28 February 2027 | Viewed by 698

Special Issue Editors


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Guest Editor
Heilongjiang Fisheries Research Institute, China Academy of Fishery Sciences, Harbin, China
Interests: crucian carp; fishery environment
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Guest Editor
College of Marine Science and Environment, Dalian Ocean University, Dalian 116023, China
Interests: fisheries resource assessment; fisheries resource biology; fisheries oceanography
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Special Issue Information

Dear Colleagues,

Environmental and anthropogenic stressors—ranging from climate change-induced extreme weather events to persistent organic pollutants (POPs) and microplastics—are increasingly disrupting the feeding, breeding, and overall fitness of aquatic organisms. These perturbations not only alter species composition but also reshape entire aquatic community structures and biodiversity.Current climate trends indicate that coastal regions are warming more rapidly than deep-sea environments, with high-latitude areas experiencing accelerated warming rates compared to lower latitudes. Furthermore, the densely populated East Asian region faces a compounded threat: pollutants generated by intense human activities are exacerbating the pressure of global warming and extreme events, leading to significant declines in fishery resources and pushing endangered aquatic species toward extinction.Therefore, synthesizing the latest scientific knowledge regarding the interactive effects of climate change and human activities on East Asian fish and fisheries is a critical long-term endeavor. Equally important is advancing our understanding of the toxicological impacts posed by emerging pollutants. To address these pressing issues, we seek high-quality papers focusing on climate change, human disturbances, overfishing, and adaptive management strategies in East Asia. We particularly welcome original research, insightful reviews, and visionary perspectives pertaining to the fisheries of China, Japan, and South Korea, among others.

You may choose our Joint Special Issue in Diversity.

Dr. Min Xu
Prof. Haitao Wang
Dr. Teruhisa Komatsu
Prof. Dr. Zengqiang Yin
Guest Editors

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Keywords

  • East Asian fisheries
  • climate change
  • anthropogenic stressors
  • adaptive management

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Published Papers (1 paper)

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Research

19 pages, 9494 KB  
Article
Effects of Strontium Marking on Otolith Elemental Deposition, Digestive Enzymes, and Antioxidant System in Juvenile Japanese Flounder (Paralichthys olivaceus)
by Jiahui Zhang, Siyang Li, Jun Zhang, Jinming Zhang, Tianyi Li, Jianhua Li, Jun Yang and Yan Wang
Fishes 2026, 11(5), 306; https://doi.org/10.3390/fishes11050306 - 20 May 2026
Viewed by 278
Abstract
Japanese flounder (Paralichthys olivaceus) is an economically important species in China’s marine fishery industry. However, due to long-term intensive fishing, its wild population has declined sharply. Artificial stock enhancement has become a core measure for restoring its resources. This study aimed [...] Read more.
Japanese flounder (Paralichthys olivaceus) is an economically important species in China’s marine fishery industry. However, due to long-term intensive fishing, its wild population has declined sharply. Artificial stock enhancement has become a core measure for restoring its resources. This study aimed to investigate the effects of different immersion durations and concentrations of SrCl2 solution (10, 20, 40, 80 mg/L) on strontium (Sr) deposition in the otoliths of P. olivaceus, and to systematically evaluate the impacts of Sr marking on the fish’s antioxidant capacity and digestive enzyme activity. The results showed that the otolith Sr/Ca ratio was positively correlated with marking concentration and duration; the optimal parameters were 40 mg/L for 4 days, with the Sr/Ca ratio returning to baseline after 30 days post-marking, and a 100% marking success rate. There were no significant differences in body length, body weight, or condition factor between the experimental groups and the control group (p > 0.05), but mortality was significantly increased in the 80 mg/L group. Digestive enzymes exhibited a dose-dependent response to Sr exposure, characterized by activation at low concentrations and inhibition at high concentrations; lipase was the most sensitive, with an inhibition threshold of 10 mg/L. Sr marking within the range of 20–40 mg/L for 4–8 days significantly activated the activity of T-AOC, CAT, GPx, and SOD (p < 0.05) and reduced MDA content, indicating that the antioxidant system was activated without causing persistent oxidative damage. In conclusion, Sr marking is a safe and efficient method for otolith marking in Paralichthys olivaceus. The recommended protocol is immersion in a 40 mg/L SrCl2 solution for 4 days, followed by a 30-day recovery period in clean seawater before being used for stock enhancement evaluation. This study provides a scientific basis and technical support for assessing the effectiveness of stock enhancement in P. olivaceus. Full article
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