The phospholipid fatty acid biomarker contents in three contrasting subalpine forests on the eastern Tibetan Plateau.

<p>Different uppercases denote significant differences between forest types in same soil layer. Different lowercases denote significant differences between soil layers in same forest type. NF: natural coniferous forest; PT: spruce plantation; SF: secondary birch forest. The values are means ± SD, n = 3.</p>