因此，弄清我国贫营养泥炭沉积的物质组成及水化学环境特征，具有重要意义。
Therefore it is significant to investigate composition, physiochemical properties and water-chemical environment in the oligotrophic peat in China.
红树林泥炭沉积物中铁的硫化物主要以黄铁矿形式产出，且以莓球状形态为主。
It is noteworthy that the major composition of iron sulphide in coastal mangrove sediments is pyrite and mostly in the form of pyrite framboids.
河床-河漫滩型和谷底洼地型泥炭沉积物中总氮和总磷含量随着泥炭粒级的减小而明显增加。
With decreasing of peat granule size, the content of TN and TP was increasing obviously in peat sediment of river bed-flood land and valley depression land.
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