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Introduction and information about Qingdao’s ocean

Qingdao’s coastline belongs to the Yellow Sea.

The Yellow Sea is the marginal sea between China and South Korea. It is a semi-enclosed sea area that runs approximately north-south. It is bounded in the northwest by the connection between Laotieshan Cape at the southern tip of the Liaodong Peninsula and Penglai Cape on the north shore of the Shandong Peninsula, and is connected with the Bohai Sea; in the south by the connection between Qidong Mouth on the north bank of the Yangtze Estuary in China and the southwest corner of Jeju Island, it is bounded by the East China Sea. The name Yellow Sea comes from the yellow color of its waters.

The Yellow Sea is the narrowest from Chengshanjiao on the Jiaodong Peninsula to Changshan String in North Korea. It is customary to divide the Yellow Sea into the North Yellow Sea and the South Yellow Sea along this line. The North Yellow Sea covers an area of ??about 81,000 square meters. kilometers, the area of ??the South Yellow Sea is about 409,000 square kilometers. The northwest part of the Yellow Sea is connected to the Bohai Sea through the Bohai Strait, the east part is connected to the Korean Strait by the Jeju Strait, and the south part is divided from the East China Sea by the line connecting Qidong Point on the northeastern shore of the Yangtze River Estuary to the southwest corner of Jeju Island.

The main rivers that flow into the Yellow Sea include the Huaihe River, the Yalu River, the Datong River, and the Han River. The main coastal cities include Lianyungang, Yancheng, Nantong, Rizhao, Qingdao, Yantai, Weihai, Dalian, and Dandong in China, and Sinuiju in North Korea. , Nampo, Incheon, South Korea, etc.

The islands in the Yellow Sea are mainly concentrated on the east side of the Liaodong Peninsula, the east side of the Jiaodong Peninsula and the western edge of the Korean Peninsula. The main administrative regions bordering the Yellow Sea include Liaoning, Shandong and Jiangsu provinces in China; North Pyongan Province, South Pyongan Province, Nampo Special City, North Hwanghae Province, and South Hwanghae Province in North Korea; Incheon Metropolitan City, Gyeonggi Province, Chungcheongnam Province, and South Korea. Nabuk-do, Jeollanam-do, and Jeju Special Self-Governing Province.

Extended information

Ecological resources of the Yellow Sea

The biota of the Yellow Sea belongs to the North Pacific East Asia subregion and is warm temperate, with temperate species accounting for the advantages, but also has a certain amount of warm water content. The main economic fish include small yellow croaker, hairtail fish, mackerel, Spanish mackerel, yellow catfish, anchovy, Pacific herring, pomfret, cod, etc. In addition, there are cephalopods such as golden squid and calamari, as well as small whales, fin whales and killer whales among cetaceans.

Plankton is dominated by temperate species. In the southeastern part of the sea area, tropical species infiltrate in summer and autumn, with the dual nature of the North Pacific warm temperate flora and the Indo-West Pacific tropical flora. Tropical species are exotic and have significant seasonal changes. Basically, they are still dominated by warm temperate zone plankton. Most of them are eurythermal and low-salinity species, and the number of species gradually increases from north to south. The most important plankton resources are Chinese shrimp, Pacific krill and jellyfish.

In the shallow waters along the coast of the Yellow Sea, the benthic animals that dominate in quantity are mainly eurythermal and low-salinity species, which basically belong to the warm water component of the Indo-West Pacific fauna. However, in the deep water area where the Yellow Sea cold water mass is located, the northern temperate cold water community represented by the northern snaketail is entrenched.

From the perspective of the entire sea area, the benthic fauna has obvious warm temperate characteristics. Benthic animal resources are very rich, with edible species, the most important being molluscs and crustaceans. Economic shellfish resources mainly include oysters, mussels, clams, clams, scallops and abalone. Economic shrimp and crab resources include prawns, eagle claw shrimps, new shrimps, brown shrimps and swimming crabs. The yield of the echinoderm sea cucumber is also larger.

Baidu Encyclopedia—Yellow Sea