timberline造句
Theuppertimberline,likethesnowline,ishighestinthetropicandlowestinthepolarregions.Thispaperbrieflyoutlinedtheadvanceofdendroecologyresearchintermsofforestdisturbance,populationdynamics,foreststructure...
Theuppertimberline,likethesnowline,ishighestinthetropicandlowestinthepolarregions.Thispaperbrieflyoutlinedtheadvanceofdendroecologyresearchintermsofforestdisturbance,populationdynamics,foreststructure...