A Chinese submarine was spotted near Okinawa in 2004, and last year China briefly deployed warships near its controversial gas-drilling RIGS in the East China Sea.
Gasdrilling projects, such as Jonah Field, impede pronghorn migration, and new homes restrict corridors to no more than a few hundred yards wide in places.
乔纳气田这样的天然气钻探项目妨碍了叉角羚的迁徙，一些地方的新住房把叉角羚走廊缩小到不足几百米宽。
3
Gilly Llewellyn, from the conservation organization WWF, says pollution and oil and gasdrilling are among many threats that could damage the Coral Sea's ecosystem.