Erosion, which may include undercutting, knick point migration, headward erosion and downcutting, continues but at a much reduced rate.

• 一些树最初在深冲沟出现前的浅冲沟中生长，一些冲沟里没有树木生长的迹象，生长的树木就是最初分开它们的栅栏标记。