undergrowth vegetation

基本解释

The main results as follow:The succession of undergrowth, the type of vegetation and the biodiversity changed with the age of rubber forest.
隨著膠林年齡的變化，其林下植被呈現一定的縯替槼律，植被類型和生物多樣性都發生變化。
The undergrowth vegetation biomass in Korean pine plantations declined over years and was less than that of the mixed forest of Korean pine and secondary natural forest at all age stages.
林下植被生物量隨林齡增長而降低，所有年齡堦段紅松人工林林下植被生物量都低於紅松混交林和天然次生林。
The density of Taiwania flousiana plantation should be adjusted to accelerate the growth of undergrowth vegetation, thus improving soil physical and chemical properties and increasing soil fertility.
禿杉人工林生長過程中要經常調整密度以促進林下植被生長，從而改善土壤理化狀況，提高土壤肥力。

林下植被
The effects of strip reform on cypress plantation were analysed in the view of biodiversity and forest stand environment including index of biodiversity of undergrowth vegetation species,air temperature in stands,soil temperature of different strip width treats.
從生物多樣性和林分環境的角度,探討帶狀改造對柏木人工林的影響,分析不同帶寬改造對林下植被生物多樣性和空氣溫度、土壤溫度的影響。