Chernobyl Exclusion Zone surface area of Chernobyl-2 is a large underground complex that was used for anti-missile defense, space surveillance and communication, and research. Military units were stationed there. Chernobyl Exclusion Zone The Chernobyl Nuclear Power Plant Zone of Alienation (, ) is an officially designated exclusion zone around the site of the Chernobyl nuclear reactor disaster. It is also commonly known as the Chernobyl Exclusion Zone, the 30 Kilometre Zone, or simply The Zone (, ). Established by the Soviet Armed Forces soon after the 1986 disaster, it initially existed as an area of radius from the Chernobyl Nuclear Power Plant designated
Effects of the Chernobyl disaster presently 10 to 100 times higher than normal background radiation. Although radiation levels were significantly higher soon after the accident, they have fallen because of radioactive decay. Møller and Tim Mousseau have published the results of the largest census of animal life in the Chernobyl Exclusion Zone. It said, contrary to the Chernobyl Forum's 2005 report, that the biodiversity of insects, birds and mammals is declining. Møller and Mousseau have been criticized strongly by Sergey Gaschak, a Ukrainian biologist who did field work for the pair beginning in 2003. He regards their conclusions to be the result of a biased