海洋是地球上最大的水体地理单元,是生命支持系统的组成部分,也是可持续发展的资源宝库。在全球生态系统服务的33万亿美元的价值中,约有63%,即20.9万亿美元来自海洋和近岸生态系统。海洋也是地球上最大的政治地理单元,分为领海、专属经济区、大陆架、公海和国际海底区域等五个 The oceans, the largest geographic unit of water on Earth, are part of the life support system and are a treasure trove of resources for sustainable development. Of the $ 33 trillion worth of global ecosystem services, about 63%, or $ 20.9 trillion, come from marine and coastal ecosystems. The ocean is also the largest political geography unit on the earth and is divided into five terraces, the exclusive economic zone, the continental shelf, the high seas and the international seabed area