皆伐跡地 的英文怎麼說
中文拼音 [jiēfájīde]
皆伐跡地
英文
clear felling vegetation-
At the same time, the quality of different - state water was studied. the results show : the soil bulk density of the fir wildwood heightens with the increase of soil depth, specifically 0. 74 > 0. 94 andl. 34g / cm3, the saturated, canaliculus and field moisture contents decrease gradually in layer a, b and c, accordingly the soil total foveola decreases gradually, and the moisture - hold capacity of the soil lessens gradually with the increase of the soil depth ; there is small difference of the soil bulk density between layer a and b in the outer space, which are respectively 0. 92 and 0. 99g / cm3, and the other laws are the same as the in ner in the main ; reverse success often occurs in the low position of the thoroughly - fell trace and plateau marsh is formed
結果表明：冷杉原始森林土壤容重隨土層深度的增加而增大，分別為0 . 74 、 0 . 94 、 1 . 34g cm ~ 3 ，飽和持水量、毛管持水量、田間持水量a層、 b層、 c層逐漸減小，十壤總孔隙度也逐漸減小，土壤的持水能力隨深度的增加逐漸減弱；林外空地a層、 b層十壤容重相差不人，分別為0 . 92和0 . 99g cm ~ 3 ，其它規律與林內人體相同：皆伐跡地的低洼地段容易發生逆行演替，形成高原沼澤地。The winter choice all cuts down the artificial regeneration mark to be higher than the selective felling artificial regeneration mark place
冬季選擇皆伐人工更新跡地高於擇伐人工更新跡地。And all cuts down the artificial regeneration mark in the selective felling artificial regeneration center, summer the panda choice selective felling artificial regeneration mark place ratio is higher than all cuts down the artificial regeneration mark place
在擇伐人工更新和皆伐人工更新跡地中，夏季大熊貓選擇擇伐人工更新跡地的比率高於皆伐人工更新跡地。
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