Sea-tailed God is Sakhalin Island. Initially, China's first treasure island was called Sakhalin Island. Where is Sakhalin Island?

The sea god is not an island, but a city. In today's Russia, it is called Vladivostok.

Sakhalin Island was originally the territory of China, but it was ceded to Russia by the Qing government, and Russia changed its name to Sakhalin Island.

Sakhalin Island is located in the east of Heilongjiang estuary, facing the Sea of Okhotsk in the east and north, and facing the mainland across tatar strait in the west. The south of Zonggu Strait is separated from Japan.

It is 948km long from north to south and 6 ~ 160km wide from east to west, covering an area of 76400km (equivalent to two islands in Taiwan Province Province). The population is about 660,000. The northern part is low and flat, with many lagoons along the coast; The south-central part is dominated by mountains, the west is the West Sakhalin Mountains, and the east is the East Sakhalin Mountains. Lopajing Mountain, the main peak, is 1609 meters above sea level, which is the highest point in the whole island. The climate is cold in winter and cool and foggy in summer. The annual precipitation in plain area is 500mm, and that in mountainous area is 1200mm. The main rivers are Temi River and Polonaise River. Rich in forest resources; There are many mineral deposits, such as oil, natural gas and coal.

The island is 948 kilometers long from north to south, about 160 kilometers wide and covers an area of 76,400 square kilometers. Most of them are mountainous areas, and the highest is Mount Luopajing (elevation 1 609 meters). The vegetation in the north is tundra, small birch forest and willow forest, and the dense deciduous forest in the south. Fishing is the main economic activity along the coast, and most of the aquatic products are crabs, herring, cod and salmon. Other economic pillars include oil in the north, coal and logging in the south, including papermaking. Due to mountainous terrain and cold climate, agriculture is underdeveloped. Residents are mainly Russians; /kloc-there were a large number of immigrants in the 1960 s, and South Sakhalinsk was the main residential area and administrative center of Sakhalin.