If you drain the pond, there are more than 3,000 blue gills ... The green area will be removed after removing the "pond dried" alien species and the native species will be returned.

On the 14th, "Ike Drying" was held on the 14th at "Inoko Greenland" in Meito -ku, Nagoya, which drains the water in the pond and captures exotic species that threatens ecosystems. Many alien species were found, including 3386 Bluegills, a specific alien creature. Nagoya City Meito -ku, citizen's oasis, Inodaka Greenland. When I drain the water from the pond, there is a thing that makes me go. "Ike -dried", which captures exotic species that threatens the ecosystem, was held on the 14th, with about 100 participants, including nature protection organizations and local elementary school students. From the pond, catfish, crucian, and oyama tombo's yago that have been inhabited in Japan for a long time have been found. Most of the "carp" is said to be an exotic species, and is a large eater who eats endangered Japanese -frog eggs. There were 3386 Bluegills, designated by the Ministry of the Environment as a specific alien creature in 2005, to eat Japanese pond creatures. Chairman of the Meito Nature Club: "Because I eat more and more fish, it's a tremendous threat for moto and medaka. I've heard that the types of dragonflies have been reduced by half (such as eating yago). In addition, there are 292 Ushagi frogs of the alien species, and a large amount of American crayfish. The alien species will be exterminated after this, and then the pond will be watered again and then returned to the native species at a later date.