zoom RSS 大陸棚延長 戦略的に海洋資源を開発せよ

<<   作成日時 : 2014/07/23 12:30   >>

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The Yomiuri Shimbun
Tap Japan’s extended continental shelf for strategic development of resources
大陸棚延長 戦略的に海洋資源を開発せよ

A move has been taken that is highly important for further consolidating Japan’s status as a maritime nation.

The government has decided to lay down an ordinance to designate two sea areas, including the area north of the island of Okinotorishima, which constitutes the southern extremity of the country, as part of the nation’s continental shelf. The ordinance will cover further two areas, such as that in the vicinity of the Ogasawara Islands, after consulting with the United States on the matter.

The U.N. Convention on the Law of the Sea stipulates that each coastal state has sovereign rights over an area 200 nautical miles from the coastline as its continental shelf for exploring and developing resources, such as those on the seabed, and for other purposes. It is possible for a state under the convention to expand the limits of the continental shelf beyond 200 nautical miles if and when it can prove that the extended continental shelf can be construed as having formed naturally.

The government’s plans for designating the continental shelf this time are in the wake of the acknowledgement in April 2012 by the U.N. Commission on the Limits of the Continental Shelf (CLCS) that the expansion of the limits of the nation’s continental shelf should be recognized as valid.

The total area to be covered by the expansion of the nation’s continental shelf will stand at an estimated 310,000 square kilometers, equivalent to about 80 percent of the nation’s entire land area. It is said precious resources exist on the continental shelf including methane hydrate, which contains natural gas. The expansion of the oceanic interests of Japan, a country poor in natural resources, is definitely of high significance.

Commenting on the continental shelf expansion, Prime Minister Shinzo Abe has stressed, “It is possible that the resources from the expanded sea areas will have a great impact on the future of Japan.” It is also important from the viewpoint of ensuring this country’s energy security.

Objections from China, ROK

Resource developmental projects on the seabed, however, are extremely expensive and many technological challenges exist. Long-term plans should be formulated at the initiative of the government.

The CLCS, meanwhile, has been postponing judgment of Japan’s application seeking the U.N. body’s acknowledgement of the nation’s expansion of the continental shelf of the Southern Kyushu-Palau Ridge Region located to the south of Okinotorishima. This is because China and South Korea have opposed Japan’s submission of the application, claiming that Okinotorishima should not be deemed an island but “rocks,” meaning that it should not be considered a base point for determining the limits of Japan’s continental shelf.

Under the circumstances, the government should appeal to the international community to support the legitimacy of Japan’s assertion about the continental shelf expansion.

Around Okinotorishima is a vast exclusive economic zone, providing Japan with a wealth of marine products and seabed resources. The government should forge ahead with the task of preserving the island by pushing ahead with such projects as port and harbor construction.

China’s heavy-handed maritime advances are not limited to the East China and South China seas, but have been spreading to the western Pacific region. It has been pointed out that there is a possibility Beijing, on the strength of extending support for construction projects of ports and harbors to island states in the region, might build naval bases there in the future. Through these moves, China most likely has taken into account the U.S. military base on Guam.

Beefing up Japan’s efforts to ensure adequate oceanic administration in the seas in the environs of Okinotorishima, as well as such islands as Minami-Torishima and the Ogasawara Islands, will certainly have strategic significance on holding China’s moves in check.

In April last year, the government laid down the Basic Plan on Ocean Policy that is intended to serve as the basis of maritime measures for a period of five years. The plan sets key policy goals, including development of maritime resources, preservation and administration of remote islands, and technological development projects for oceanic, renewable energy sources.

By working closely with the private sector, the government should address these objectives from a broad range of perspectives.

(From The Yomiuri Shimbun, July 21, 2014)

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