Why is scarborough shoal being claimed by the other countries in Asia?

The Scarborough Shoal, also known as Bajo de Masinloc or Panatag Shoal, is a submerged reef located in the South China Sea, roughly 240 kilometers (150 miles) west of the main island of Luzon, Philippines. It has been the subject of territorial disputes among the People's Republic of China (PRC), Taiwan, the Philippines, and several Southeast Asian countries due to its strategic location, potential natural resource deposits, and rich fishing grounds.

The primary countries claiming the Scarborough Shoal are:

1. China (PRC): China claims the Scarborough Shoal as part of its "Nine-Dash Line" territorial claim in the South China Sea. This claim is based on historical maps and documents that suggest Chinese control and exploration of the area dating back centuries.

2. Taiwan (Republic of China): Taiwan also claims the Scarborough Shoal as part of its territory, asserting that it has historically administered and controlled the area.

3. Philippines: The Philippines claims the Scarborough Shoal based on proximity and the principle of effective occupation, arguing that it has exercised jurisdiction and control over the shoal for a considerable time.

The Scarborough Shoal gained significant attention in 2012 when Chinese vessels blocked Filipino fishermen from accessing the shoal, escalating tensions between the two countries. The incident led to a stand-off between Chinese and Philippine vessels and heightened regional concerns over maritime disputes in the South China Sea.

In 2016, an international arbitral tribunal constituted under the United Nations Convention on the Law of the Sea (UNCLOS) ruled in favor of the Philippines, stating that China's claims to historic rights in the South China Sea were without merit and that it had violated the Philippines' sovereign rights within its exclusive economic zone (EEZ). However, China rejected the ruling, asserting that it did not recognize the tribunal's jurisdiction.

The overlapping territorial claims and the continued military presence of various countries in the vicinity have contributed to ongoing regional tensions and concerns over navigation, fishing rights, and potential resource exploitation in the area. Resolving the Scarborough Shoal dispute and other territorial conflicts in the South China Sea remains a complex diplomatic and geopolitical challenge that impacts regional stability and cooperation.