This dataset collects data on fish species, percent fish counts, and percent fish weights for the 2011, 2015, and 2018 Xiluodu-Xiangjiaba intervals.
1. Data set naming;
Fish Survey Data for Typical Sections of the Main Stream of the Yangtze River.xlsx;
2. Attribute information;
Year: Year of fish survey;
Month: Fish survey month;
Fish name: The name of the fish caught;
Percentage of fish weight: The weight of a particular fish caught as a percentage of the total weight;
Percentage of Fish: The number of a particular fish caught as a percentage of the total number.
Fish samples were collected with reference to the Manual of Natural Resources Survey of Inland Waters Fisheries and were taken by spot fishing under the leadership of professionals. Sampling tools were shrimp cages (100 m in length and 25 cm in height), triple gillnets (mesh size 1.5 cm-7 cm-12 cm, 200 m in length and 5 m in height), and small hooks (about 300 m in total length and 20-70 m in height).
Fish samples were collected in all-weather fishing, 8 nets and 3 cages were put out each time, and collected once a day in the evening and once a day in the morning, and the small hooks were only carried out in the evening, and the fishing duration was 72 h. The collected fish were photographed, weighed and measured on site. For fish identification, refer to Sichuan Fish Journal.
Manual collection and statistics.
Data quality is good.
| # | number | name | type |
| 1 | 2019YFC0408900 | National key R & D plan |
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CSTR:11738.11.NCDC.CJSZYZLJS.DB2837.2023
10.12072/ncdc.cjszyzljs.db2837.2023