Liaoyang Daliao River

The **Daliao River** generally refers to the **lower reaches of the main stream of the Liao River** in Northeast China, especially the river channel formed after it converges with the Hun River and Taizi River in Liaoning Province. Below is a detailed introduction to the Liao River and the "Daliao River": --- ### 1. Overview of the Liao River 1. **Basic Characteristics** - **Source**: The Liao River has two sources, east and west. - **West Liao River**: Originates from the Qilaotu Mountains in Pingquan City, Hebei Province. - **East Liao River**: Originates from the Hada Ridge in Liaoyuan City, Jilin Province. - **Flowing Area**: Flows through Inner Mongolia, Jilin, and Liaoning provinces, and finally into the Liaodong Bay of the Bohai Sea. - **Length**: Approximately 1,394 km (main stream approx. 538 km), with a drainage area of approximately 219,000 square km. - **Main Tributaries**: Hun River, Taizi River, Raoyang River, etc. 2. **Origin of the "Daliao River" in the Lower Reaches** Historically, the main stream of the Liao River converged with the Hun River and Taizi River in Panjin, Liaoning, forming a wide estuary section, which was often called the "Daliao River." However, in 1958, water conservancy projects diverted the main stream of the Liao River directly into the sea. The original river channel is now the estuary of the Hun River and Taizi River, but "Daliao River" is still used as a geographical name. --- ### 2. Economic and Ecological Roles 1. **Economic Value** - **Agriculture**: The Liao River Basin is an important grain-producing area (corn, rice) in Northeast China. - **Industry and Cities**: Nourishes cities such as Shenyang, Anshan, and Panjin, supporting industries such as petroleum and steel. - **Shipping and Resources**: Historically navigable, the lower Panjin section is rich in oil and natural gas resources. 2. **Ecological Challenges and Management** - **Historical Issues**: In the 20th century, industrial pollution and overexploitation led to water quality deterioration and wetland shrinkage. - **Management Measures**: - **Liaohe National Nature Reserve** was established in 2010, implementing measures such as returning farmland to wetlands and pollution control. - Reservoirs (such as Dahuofang Reservoir) and flood control projects were built to reduce flood disasters. - **Results**: The water quality of some river sections has been restored to Class IV, and biodiversity has gradually improved. --- ### 3. Cultural Significance - The Liao River Basin is one of the important birthplaces of Chinese civilization, giving rise to the **Hongshan Culture** (represented by the Niuheliang site) approximately 5,000 years ago. - The Panjin Liaohekou Wetland in the lower reaches is famous for its "Red Beach" landscape and is a national ecological tourism demonstration area. --- ### 4. Frequently Asked Questions - **Difference between Daliao River and Liao River**: The broad sense of "Liao River" covers the entire basin, while "Daliao River" specifically refers to the lower reaches of the main stream or the historical river channel, and is now mostly a local customary name. - **Flood Control Focus**: Projects such as the Panjin Sluice are key to flood control in the Liao River, protecting oil fields and farmland.