Starting this year, Liaoning Province will use three years to investigate the fishery resources and environment of the Yalu River. Up to now, 68 species of fish in 10 orders, 19 families, 58 genera and 58 genera, such as flower lamb red spotted salmon, Yalu River fennel, fine scale salmon, variegated duface, northeast lamprey eel, river perch and shuttle perch have been caught in the waters of the Yalu River. Among them, the alien species of river perch and shuttle perch have formed populations. This reporter learned from the Freshwater and Fisheries Science Research Institute affiliated to the Liaoning Academy of Agricultural Sciences on December 14.
Liaoning conducted a survey of fishery resources and environment in the Yalu River
According to reports, the Liaoning Provincial Freshwater Institute undertook the "Fishery Resources and Environment Survey of Key Fishery Waters in Northeast China" and the "Fish Resources Survey of the Yalu River Basin" project of the Department of Agriculture and Rural Affairs of Liaoning Province, focusing on data collection and research and analysis from the aspects of fishery resources, fish biology, important habitats, biological and abiotic environment, and fishery status in the Yalu River Basin, which is of great significance for guiding the management planning and rational utilization of resources in the Yalu River Basin.
Carp in the Yalu River
Silver carp in the Yalu River
The Yalu River originates in the southern foothills of Changbai Mountain in Jilin Province, flows through Liaoning Province, and flows south into the Yellow Sea, with a total length of more than 700 kilometers, and its main tributaries are the Hun River, the Pushi River and the Yao River in China. According to historical data, the Yalu River is rich in fish resources, the total number of natural distribution of fish is more than 100 kinds, the unique fish are Yalu River small maw, medium catfish, spotted finned fish, leather striped sub-catfish, small dorsal catfish, Ishikawa Zheluo salmon, Yalu River anise, small head quercene tiger 8 species.
Aquatic biological resources and aquatic ecological environment are the core of aquatic ecosystems, and to protect the ecology, it is necessary to protect aquatic biological resources and ecological environment, including fish. According to the relevant person in charge of the Liaoning Provincial Freshwater Institute, the systematic and in-depth investigation of fishery resources and environment, the study and grasp of the dynamics of fishery resources and their utilization, will help to build a fishery resource database and sharing platform, and provide basic data and technical support for the management and conservation of fishery resources, ecological restoration, biodiversity conservation, and ecological protection redline delineation in the Yalu River waters.
Source: Liaoning Daily "North Country" news client
Reporter: Li Yue
Source: Liaoning Daily