The trees of Chernobyl  AUG 09 2013

This is what the trees look like near Chernobyl when you cut them down. It's a biiiit tricky but see if you can spot when the nuclear plant disaster happened...

Chernobyl trees

Not surprisingly, researchers have found evidence that the radiation has affected the growth of trees near the accident site. From the paper:

Mean growth rate was severely depressed and more variable in 1987-1989 and several other subsequent years, following the nuclear accident in April 1986 compared to the situation before 1986. The higher frequency of years with poor growth after 1986 was not caused by elevated temperature, drought or their interactions with background radiation. Elevated temperatures suppressed individual growth rates in particular years. Finally, the negative effects of radioactive contaminants were particularly pronounced in smaller trees. These findings suggest that radiation has suppressed growth rates of pines in Chernobyl, and that radiation interacts with other environmental factors and phenotypic traits of plants to influence their growth trajectories in complex ways.

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