Amid row with Philippines, China issues new rules to assert control over South China Sea shoal
China issued management measures for the Huangyan Dao (Scarborough Shoal) National Nature Reserve in the South China Sea, jointly announced by the Ministry of Natural Resources, the National Forestry and Grassland Administration, the China Coast Guard, and the Hainan provincial government.
The rules prohibit unauthorised fishing, mining, and extraction of corals, giant clams, and other marine species within the reserve, and restrict entry without prior approval.
A routine patrol system will be established to investigate and handle violations, with violators held accountable under applicable law.
The Philippines maintains competing sovereignty and fishing-rights claims over the shoal (known locally as Panatag Shoal), and the announcement comes amid continuing friction between the two countries' coast guards in the area, including at Second Thomas Shoal.
South China Sea Arbitration, 2016 (Philippines v. China)
This case was decided by an arbitral tribunal constituted under Annex VII of the UN Convention on the Law of the Sea (UNCLOS), sitting at the Permanent Court of Arbitration (PCA) in The Hague. On 12 July 2016, the tribunal ruled that China's "nine-dash line" claim to historic rights over most of the South China Sea has no legal basis under UNCLOS, since UNCLOS supersedes any pre-existing historic-rights claims once both states have ratified it. The tribunal also examined the legal status of specific features (including Scarborough Shoal) and the legality of Chinese activities there.
Key Details
- Tribunal: constituted under UNCLOS Annex VII; seated administratively at the PCA (the PCA itself was not the deciding body — the ad hoc tribunal was)
- Ruling date: 12 July 2016
- Core holding: the nine-dash line has no legal basis under UNCLOS; land reclamation and related Chinese activities in Philippine-claimed waters were found unlawful
- China rejected the tribunal's jurisdiction, did not participate in proceedings, and has called the award "null and void"
Scarborough Shoal was one of the maritime features examined in the 2016 award. China's new domestic "nature reserve" regulations are a unilateral administrative/legal assertion of control over the shoal that runs parallel to — and in the Philippines' view, contrary to — the 2016 ruling, which China does not recognise.
UNCLOS, 1982 — Maritime Zones Framework
The UN Convention on the Law of the Sea is the foundational treaty governing maritime boundaries, resource rights, and navigation. It defines the territorial sea (up to 12 nautical miles from the baseline, under full sovereignty), the Exclusive Economic Zone or EEZ (up to 200 nautical miles, with sovereign rights over resources), and the continental shelf, among other zones.
Key Details
- UNCLOS opened for signature in 1982 (Montego Bay) and entered into force in 1994
- India signed UNCLOS on 10 December 1982 and ratified it on 29 June 1995; India's domestic maritime zones are governed by the Territorial Waters, Continental Shelf, Exclusive Economic Zone and Other Maritime Zones Act, 1976
- Territorial sea: up to 12 nm (full sovereignty); EEZ: up to 200 nm (sovereign rights over living/non-living resources); Contiguous zone: up to 24 nm
- China is also a UNCLOS signatory but has rejected the 2016 tribunal's application of UNCLOS to its historic claims
China's nature-reserve rules for Scarborough Shoal are framed as domestic environmental regulation, but they function as a maritime-jurisdiction assertion — a recurring pattern in the South China Sea where UNCLOS-based claims (Philippines, citing its EEZ) compete with China's own historic-rights and administrative claims.
Strategic and Economic Significance of the South China Sea
The South China Sea is one of the world's busiest maritime corridors, carrying an estimated $3.4–5.3 trillion in seaborne trade annually and roughly a third of global shipping traffic. It is also a major fishing ground and holds significant undersea hydrocarbon potential, which underlies the intensity of competing claims by China, the Philippines, Vietnam, Malaysia, Brunei, and Taiwan.
Key Details
- Scarborough Shoal (Huangyan Dao/Panatag Shoal) is a triangular chain of reefs and rocks roughly 220 km west of Luzon, Philippines, and about 900 km from China's Hainan island — a distance relevant to competing EEZ claims
- China has effectively controlled Scarborough Shoal since a 2012 stand-off with the Philippines
- India's stakes: the South China Sea is a key corridor for India's Act East Policy and trade with ASEAN/East Asia; India has repeatedly called for freedom of navigation and adherence to UNCLOS, without taking a position on the territorial merits of specific claims
The new patrol and enforcement regime signals tighter day-to-day Chinese administrative control over the shoal, which is relevant to freedom-of-navigation and trade-security discussions that also concern extra-regional stakeholders such as India, Japan, and the United States.
- Ruling in Philippines v. China (South China Sea Arbitration): 12 July 2016, under UNCLOS Annex VII
- UNCLOS: opened for signature 1982, entered into force 1994; India ratified 29 June 1995
- UNCLOS maritime zones: territorial sea up to 12 nm, contiguous zone up to 24 nm, EEZ up to 200 nm
- Estimated annual trade transiting the South China Sea: approximately $3.4–5.3 trillion (roughly one-third of global shipping)
- China has controlled Scarborough Shoal since the 2012 stand-off with the Philippines
- New reserve rules issued jointly by four Chinese authorities: Ministry of Natural Resources, National Forestry and Grassland Administration, China Coast Guard, Hainan provincial government