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Animals Return to Chernobyl
This photograph shows wild boar in a former village near the Chernobyl Nuclear Power Plant.
Credit: Valeriy Yurko
“It’s very likely that wildlife numbers at Chernobyl are much higher than they were before the accident,” says Jim Smith of the University of Portsmouth in the UK. “This doesn’t mean radiation is good for wildlife, just that the effects of human habitation, including hunting, farming, and forestry, are a lot worse.”
This photograph shows roe deer near where the Chernobyl Nuclear Power Plant disaster took place.
Credit: Tatyana Deryabina
The relative abundance of elk, roe deer, red deer, and wild boar within the exclusion zone are now similar to those in four uncontaminated nature reserves in the region, the researchers report. The number of wolves living in and around the Chernobyl site is more than seven times greater than can be found in those nature reserves.
Helicopter survey data also reveal rising trends in the abundance of elk, roe deer, and wild boar from 1 to 10 years after the accident. A dip in the wild boar population at one point was traced to a disease outbreak unrelated to radiation exposure.
“These results demonstrate for the first time that, regardless of potential radiation effects on individual animals, the Chernobyl Exclusion Zone supports an abundant mammal community after nearly three decades of chronic radiation exposure,” the researchers conclude. They note that these increases came at a time when elk and wild boar populations were declining in other parts of the former Soviet Union.
“I’ve been working, studying, and taking photos of the wonderful wildlife in the Chernobyl area for over 20 years and am very pleased our work is reaching an international scientific audience,” says Tatiana Deryabina from the Polessye State Radioecological Reserve in Belarus, a few miles from the site of the Chernobyl accident.
“These unique data showing a wide range of animals thriving within miles of a major nuclear accident illustrate the resilience of wildlife populations when freed from the pressures of human habitation,” says Jim Beasley, a study co-author at the University of Georgia.
Contacts and sources:
Citation: Current Biology, Deryabina et al.: “Long-term census data reveal abundant wildlife populations at Chernobyl” http://dx.doi.org/10.1016/j.cub.2015.08.017
Source: http://www.ineffableisland.com/2015/10/animals-return-to-chernobyl.html
