Current Status of Early-Development Fish Resources in the Linchuan Section of Fuhe River
HU Maolin1, MA Xinyue 1, YANG Qiuju 2, ZHANG Peng3, DING Kun3, LIU Dongliang3, JIANG Tao3, ZHOU Shengfu3
1. School of Life Sciences, Nanchang University, Nanchang 330031, China; 2. Animal Husbandry and Aquatic Products Affairs Center of Jingzhou Miao and Dong Autonomous County, Huaihua 418400, China; 3. Agricultural Science Research Institute in Fuzhou City of Jiangxi Province, Fuzhou 344000, China
Abstract：In order to understand the current status of fish resources in the Fuhe River basin, fish eggs and larvae were collected using conical nets and water quality parameters and runoff were determined at Linchuan section (N 28°01′03″, E 116°21′43″) of the Fuhe River from May to July 2021. Then the species composition, temporal dynamics, and runoff of early-development fish resources were analyzed by molecular biology techniques. A total of 581 fish and 5797 larvae were collected, belonging to 5 orders, 8 families and 40 species (eggs of 11 fish species and larvae of 39 species fish), with the dominant species eggs of Squalidus argentatus, and the dominant fish species larvae of Hemiculter tchangi, Rhinogobius giurinus,and Pseudobrama simoni. During the survey period, there were a total of 4 peak periods for fish eggs and 3 peak periods for fish larvae at the Linchuan section. The runoff of fish eggs and larvae passing through this section was estimated as 3.98×104 eggs and 17.22×105 individuals, respectively. The diversity analysis showed that the maximal diversity of fish larvae was found in May, while the higher diversity of fish eggs in June. Redundancy analysis revealed that water environmental factors had an impact on fluctuations in the early-development resources abundance of major fish species, particularly the water temperature. The eggs and larvae of the Chinese carps were not found in this survey. It is suggested that a systematic investigation and research on early-development fish resources would be carried out to analyze the current status of the spawning grounds and spawning scale of important fish such as the Chinese carps in the Fuhe River, so as to protect the fish resources in the Fuhe River.
胡茂林, 马鑫悦, 杨秋菊, 张鹏, 丁鲲, 刘栋梁, 姜涛, 周胜福. 抚河临川断面鱼类早期资源现状[J]. 水产科学, 2026, 45(4): 573-582.
HU Maolin, MA Xinyue, YANG Qiuju, ZHANG Peng, DING Kun, LIU Dongliang, JIANG Tao, ZHOU Shengfu. Current Status of Early-Development Fish Resources in the Linchuan Section of Fuhe River. Fisheries Science, 2026, 45(4): 573-582.
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2026, Vol. 45 
