Since n alkanesare highly resistant to biochemical degradation in the sedimentary record, the componentsand distributions in biomarkers of peat profile can help distinguish sources of plant input.

• 通过正烷烃等生物标志物在泥炭剖面上的组成和分布规律,可以很好地反映泥炭的物源、演化程度等环境信息。