general leopards were widely hunted during the Japanese colonial era. Nearly 2000 were hunted, and only few are left in China. Recently, it has been informed that only about a total of 10 leopards are preserved at the zoo. The wolves that inhabited in the Korean Peninsula were species with their own unique characteristic. It had dark brown hair compared to other wild wolves. Again, about 3,000 of them were hunted by hunters during the same period of time. Unlike other species, the wild wolves existed in Korean Peninsula eventually went extinct in the wild. Restoration effects are currently being undertaken by geneticists A fox on the Korean Peninsula belonging to the Red Fox were also widely hunted during the Japanese colonial era. It was hunted at random for the purpose of making luxury goods using their hair. Among Japanese ladies at the time, it was said that products made from Korean fox were fashionable. The wild fox were known to have been extinct for decades, but recently some were found in the wild. A very small number has yet to be found alive in the wild. It is urgently designated as a protected species and is dedicated to the study and conservation of species. However, even now, the few remaining numbers are decreasing due to illegal poaching. Dokdo was once home to a large group of sea lions. However, as Japanese fishermen started to poach, more than 100,000 number of sea lions were poached. The group of sea lions inhabited here are believed to have been extinct or moved to other places to avoid fishermen. Ecology Korea is located between 33 ° and 43 ° N, the eastern end of the Eurasian continent. It is rich in precipitation and has various seasonal climate characteristics. In Korea, there are large proportion of areas occupied by mountains, and mainly mountains are distributed in the north and east part of the nation. Large and gentle rivers flow along west and south, and there are various erosion and sediment terrains along the rivers. On the southern coast, there are many islands and complex coastlines, and a wide tideline appears on the west coast. Dunes and lagoons are developed along the monotonous coastline on the east coast. The habitat of wild forest has been damaged or cut off every year due to the development of roads and industrial complexes, and the total area of