(Electronic Annex 1) Relative abundance of n-C25 to n-C33 alkanes at coastal ...

Terrestrial samples represent the top 1 cm. The offshore sediments represent the top 2 cm of multicores.陆地样本取自沉积物表层1厘米的层位。近海沉积物样本则取自多管采样岩芯（multicores）的表层2厘米层位。