Dokdo Volunteer Garrison to the exercise of national jurisdiction over Liancourt Rocks and the protection of the nation's territory." The Dokdo Volunteer Garrison showed that the territorial right of Liancourt Rocks belongs to Korea through effective control of the islands. They showed great activity symbolically and mentally, meaning that they raised patriotism and cultivated the self-consciousness of the nation. Dokdo Volunteer Garrison Dokdo Volunteer Garrison (Korean: 독도의용수비대) was a South Korean paramilitary outpost on the islands of Liancourt Rocks, which are called "Dokdo" in Korean; South Korea and Japan each claim sovereignty over them. South Korea maintained the garrison from 1953 to 1956.
Liancourt Rocks overharvesting and fires caused by bombing drills over the islets. A recent investigation, however, identified ten spindle trees aged 100–120 years. Cetaceans such as Minke whales, orcas, and dolphins are known to migrate through these areas. Records of the human impact on the Liancourt Rocks before the late 20th century are scarce, although both Japanese and Koreans claim to have felled trees and killed Japanese sea lions there for many decades. There is a serious concern for pollution in the seas surrounding the Liancourt Rocks. The sewage water treatment system established on the islets has malfunctioned and sewage water produced