South China Sea - Fisheries, Shipping, Oil: The South China Sea is rich in marine life. Contributing to this abundance are the extensive runoff of nutrient-laden waters from land and the upwellings of water in certain areas of the sea . The sea is heavily fished, however, and is the main source of animal protein for the densely populated Southeast Asian area. Most abundant are the various species of tuna, mackerel, croaker, anchovy, shrimp, and shellfish. Nearly the entire catch is consumed ... Learn about the geography, history, and geology of the South China Sea , a marginal sea of the Western Pacific Ocean. Find out the names, claims, and resources of the countries bordering or claiming the sea . Explore how China ’s claims over the South China Sea have antagonized competing countries and track the latest developments with CFR's Global Conflict Tracker. Learn about the strategic and trade importance of the South China Sea , the territorial claims and conflicts among the countries in the region, and the efforts to resolve the dispute. Also, explore the environmental and maritime issues and the role of international law and institutions.