It is very interesting that various oligotrophic plants have identical isotopic values, revealing that the oligotrophic peat may be as an ideal archive for resolving paleoclimatic signals.

• 非常有意义的是贫营养泥炭(高位泥炭)的成沼植物有着非常接近的同位素组成，揭示贫营养型泥炭可能是更为理想的过去全球变化信息档案。