Temporal and Spatial Distribution Characteristics of Fish Resources in a Typical River–Lake Confluence Ecosystem During the Initial Period of Fishing Ban
Abstract
1. Introduction
2. Materials and Methods
2.1. Study Area and Procedures
2.2. Data Processing and Transformation
3. Results
3.1. Fish Target Strength and Spatial Distribution Characteristics
3.2. Spatial Distribution Characteristics of Fish Density
3.3. Composition of Fish Population
4. Discussion
4.1. Spatial and Temporal Characteristics of Fish Density
4.2. Fish Target Strength
4.3. Changes in Fish Resources Before and After the Fishing Ban
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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High Water Level Period | Low Water Level Period | ||||||
---|---|---|---|---|---|---|---|
Species | Proportion (%) | Length Range (cm) | Average Length (cm) | Species | Proportion (%) | Length Range (cm) | Average Length (cm) |
Coilia brachygnathus | 20.04% | 11.30~35.40 | 23.44 | Coilia brachygnathus | 16.06% | 9.50~35.00 | 21.59 |
Megalobrama terminalis | 13.89% | 10.70~37.40 | 24.10 | Culter alburnus | 9.28% | 11.00~30.80 | 21.47 |
Acheilognathus macropterus | 11.61% | 3.60~10.00 | 6.11 | Pseudobrama simoni | 8.72% | 9.00~14.00 | 11.63 |
Carassius auratus | 8.36% | 4.50~28.80 | 19.09 | Parabramis pekinensis | 6.94% | 8.30~39.70 | 20.70 |
Siniperca chuatsi | 4.70% | 8.30~48.30 | 21.78 | Hypophthalmichthys molitrix | 6.78% | 13.50~49.20 | 26.91 |
Hypophthalmichthys molitrix | 4.08% | 17.00~83.80 | 34.60 | Acheilognathus macropterus | 6.54% | 2.00~11.50 | 8.08 |
Saurogobio dabryi | 3.73% | 6.40~16.60 | 10.05 | Siniperca chuatsi | 6.38% | 10.50~43.30 | 21.38 |
Culter alburnus | 3.52% | 9.30~47.50 | 20.33 | Carassius auratus | 6.05% | 7.40~28.00 | 15.95 |
Saurogobio dumerili | 3.32% | 5.40~13.50 | 8.42 | Pelteobagrus fulvidraco | 5.33% | 9.00~35.00 | 13.46 |
Culter dabryi | 3.04% | 6.70~35.20 | 22.75 | Siniperca kneri | 3.87% | 14.40~30.00 | 20.64 |
Pelteobaggrus nitidus | 2.49% | 5.80~24.20 | 13.76 | Pelteobagrus fulvidraco | 3.79% | 8.90~22.00 | 12.29 |
Parabramis pekinensis | 2.49% | 6.40~39.20 | 26.65 | Megalobrama terminalis | 3.71% | 10.90~43.00 | 19.62 |
Megalobrama amblycephala | 2.28% | 9.70~34.30 | 27.17 | Xenocypris argentea | 2.18% | 11.50~21.70 | 15.70 |
Aristichthys nobilis | 2.00% | 16.50~61.00 | 39.62 | ||||
Xenocypris davidi | 1.80% | 7.70~20.80 | 17.18 |
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Li, H.; Yu, X.; Wu, B.; Yu, L.; Wang, D.; Wang, K.; Wang, S.; Chen, D.; Li, Y.; Duan, X.; et al. Temporal and Spatial Distribution Characteristics of Fish Resources in a Typical River–Lake Confluence Ecosystem During the Initial Period of Fishing Ban. Fishes 2024, 9, 492. https://doi.org/10.3390/fishes9120492
Li H, Yu X, Wu B, Yu L, Wang D, Wang K, Wang S, Chen D, Li Y, Duan X, et al. Temporal and Spatial Distribution Characteristics of Fish Resources in a Typical River–Lake Confluence Ecosystem During the Initial Period of Fishing Ban. Fishes. 2024; 9(12):492. https://doi.org/10.3390/fishes9120492
Chicago/Turabian StyleLi, Huifeng, Xujun Yu, Bingbing Wu, Lixiong Yu, Dengqiang Wang, Ke Wang, Sheng Wang, Daqing Chen, Yuefei Li, Xinbin Duan, and et al. 2024. "Temporal and Spatial Distribution Characteristics of Fish Resources in a Typical River–Lake Confluence Ecosystem During the Initial Period of Fishing Ban" Fishes 9, no. 12: 492. https://doi.org/10.3390/fishes9120492
APA StyleLi, H., Yu, X., Wu, B., Yu, L., Wang, D., Wang, K., Wang, S., Chen, D., Li, Y., Duan, X., & Li, J. (2024). Temporal and Spatial Distribution Characteristics of Fish Resources in a Typical River–Lake Confluence Ecosystem During the Initial Period of Fishing Ban. Fishes, 9(12), 492. https://doi.org/10.3390/fishes9120492