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首页> 外文期刊>Trends in Ecology & Evolution >Are Organisms Adapting to Ionizing Radiation at Chernobyl?
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Are Organisms Adapting to Ionizing Radiation at Chernobyl?

机译:生物是否适应切尔诺贝利的电离辐射?

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Numerous organisms have shown an ability to survive and reproduce under lowdose ionizing radiation arising from natural background radiation or from nuclear accidents. In a literature review, we found a total of 17 supposed cases of adaptation, mostly based on common garden experiments with organisms only deriving from typically two or three sampling locations. We only found one experimental study showing evidence of improved resistance to radiation. Finally, we examined studies for the presence of hormesis (i.e., superior fitness at low levels of radiation compared with controls and high levels of radiation), but found no evidence to support its existence. We conclude that rigorous experiments based on extensive sampling from multiple sites are required.
机译:许多生物体已显示出在自然背景辐射或核事故引起的低剂量电离辐射下能够生存和繁殖的能力。在一篇文献综述中,我们发现了总共17种假定的适应性案例,其中大多数是基于普通的花园实验,其中的生物通常仅来自两个或三个采样位置。我们仅发现一项实验研究,显示出抗辐射性提高的证据。最后,我们检查了有关兴奋剂的存在的研究(即在低辐射水平下比对照组和高辐射水平下更适合),但没有证据支持它的存在。我们得出结论,需要基于来自多个站点的大量采样进行严格的实验。

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