Never give an inch to China

Tokyo's propensity for getting into territorial and maritime boundary disputes with its neighbors seems large. And if the disputes with China escalate any further, they could make the recent confrontation with South Korea over the Takeshima islets (Dokdo in Korean) look tame.
Tokyo insists that the median or equidistance line between the Ryukyu Islands (Okinawa) and the Chinese mainland is the boundary of its exclusive economic zone (EEZ) in the East China Sea. But Beijing says the continental shelf should be the basis for deciding the EEZ boundary. This shelf extends all the way to the Okinawa Trough, or well within the EEZ claimed by Japan. As a compromise Beijing calls for joint undersea development in the disputed area, until rival boundary claims have been settled.
However, Tokyo claims sole right to develop potential oil and gas reserves within its claimed EEZ. It objects even to a Chinese gas development on the Chinese side of that claimed EEZ, on the grounds that gas could be leaking from Japan's claimed EEZ area. Gunboats are threatened when it senses any challenge to its claimed rights.
Tokyo insists that the 1982 U.N. Law of the Sea Convention (UNCLOS), which created the 200 nautical-mile EEZ concept, supports its position. But UNCLOS simply says that international law should be the basis for deciding conflicting EEZ claims, and international law has yet to give a clear verdict. In the past it endorsed the continental-shelf approach. But recently it has begun to favor the median- or equidistance-line approach. However, it also goes on to say that any equidistance approach should also be "equitable" to both sides.
One example of equity was the recent Libya/Malta maritime boundary agreement where Libya was favored because of its greater landmass. In this, as in several other similar cases, the International Court of Justice has ruled that "the equidistance line is not mandatory or binding" -- that the "proportionality of coastlines" is also a factor. Given its large coastline facing the East China Sea, this ruling would seem to favor China.
The recent Australia-East Timor maritime boundary agreement also suggests the equidistance rule is not as rigid as Tokyo claims. The continental shelf was the basis for the original Australian-Indonesian boundary agreement reached back in 1972. It favored Australia greatly since the Timor Trough, which defines the shelf, runs close to the Indonesian/Timor coastline. But when extensive oil and gas reserves were found on the shelf and East Timor became independent, there were demands that the equidistance approach should have been used.
Canberra refused. But, as a concession, it has now agreed to revenue sharing from some oil and gas reserves between the equidistance line and the original continental shelf line -- a position very similar to what China proposes today in the East China Sea.
An even stronger precedent was created by Tokyo itself in its 1974 maritime border agreement with South Korea. Both sides used to have rival equidistance and continental shelf claims for their maritime border south of Cheju island, with Seoul's continental shelf claim extending close to Japanese territory. Then in 1974 both sides agreed to disagree, and to decide the matter some time in the future -- the year 2028 was mentioned. In the meantime they agreed to joint development in the area between the two claimed lines, just as China has sought in the East China Sea.
That 1974 agreement was confirmed as late as August 2002, with an agreement for an oil co-exploration project on the continental shelf between the two nations. This was in accord with the 1982 UNCLOS, which says specifically that in cases of disagreement "the States concerned shall make every effort to enter into provisional arrangements of a practical nature." Tokyo's hardline approach today toward China would seem to contradict that principle.
Ironically, as late as 1994, Tokyo agreed to joint fisheries exploitation with China and South Korea in the East China Sea pending what it then agreed was the need for final EEZ delimitations. But today it insists that the Japan-China EEZ boundary has indeed been delimited -- not by negotiation but by unilateral fiat.
Tokyo takes an equally hard line in its Senkaku Islands dispute with Beijing -- a dispute in which both Beijing's and Taiwan's claims are not without validity. They would have even more validity under Beijing's continental shelf approach.
In its insistence that it is entitled to a 200 nautical-mile EEZ in every direction from a minuscule and remote Pacific rock it calls Okinotori Island, Tokyo's EEZ preoccupation gets out of control. Apart from anything else, it flies in the face of Article 121 (3) of UNCLOS, which states clearly that small rocks and even uninhabited islands cannot have an EEZ.
Part of the problem is the ease with which Japan's positions harden when disputes are subjected to publicity. For a while there were signs that Foreign Ministry moderates were willing to go along with Beijing's 1970s' suggestion that the Senkaku Islands ownership dispute shelved for the next generation to solve. Okinotori barely existed in the minds of Japan's planners.
But Japan's rightwingers, led by the ultra-hardline Tokyo governor, Shintaro Ishihara, have put an end to all that. Now every claim has to be pressed to the maximum, or else.
As we have seen in the commentary following the Takeshima confrontation, Japanese public opinion seems unable to comprehend that there can be two sides to a dispute, especially when territory is involved. The media and the commentators take it for granted that Japan's claims are totally correct and the other side is being quite unreasonable. Even the supposedly impartial NHK forgets to use the word "claimed" when it reports these disputes. The potential for more ugly confrontations continues.

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日本の強硬姿勢 中国には一歩も譲れない
 これよりもさらに強力な前例は日本自身によるもので、1974年に韓国と結んだ領海境界協定である。済州島の南の海の境界に関して、両国が等距離ラインと大陸棚という対立した要求をもち、韓国の主張する大陸棚は日本領土の近くまで伸びていた。その後1974年双方が不一致を認め合い、将来この問題について決定する 2028年という数字が示されている ことで一致した。さしあたりは双方主張ラインの重なる地域において共同開発することで合意した。これはまさに中国が東シナ海において提案していることである。
 日本は中国との尖閣列島紛争 中国・台湾両方の主張に正統性がないとはいえない紛争 においても、同じく強硬な線を打ち出している。中国の大陸棚アプローチからすれば、彼らの主張の正当性はさらに高まることになる。