tundra vegetation的意思|示意

The regional spruce forest-tundra vegetation of the creek has had little change since the eruption of White River ash at 1230 yr B. P.

这一特点与该区广泛发育的泥炭丘地的形成密切相关，而不代表区域性云杉森林—苔原植被面貌在过去的1230年中曾有明显的改变。

Tundra is flat land with very little vegetation.

苔原是平坦的土地，植被稀少。

Changed tundra combat environment to have slightly less vegetation.

改变了冻土的战斗环境，有轻微的植被。