皆伐林 的英文怎麼說
中文拼音 [jiēfálīn]
皆伐林
英文
clear cutting forest-
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。And the clear - felling system of small area is put forward. the ecological function and productive force on evergreen broad - leave forest is reserached
並提出小面積皆伐的採伐方式，同時對常綠闊葉林的生態功能和生產力進行初步研究。The conditions of its climate, moisture and soil are high quality. the mid - subtropical evergreen broad - leaved forest suffered the clear cutting fatally before 1950 ' s or in 1950 ' s. now the natural secondary evergreen broad - leaved forest grows well after half - century restoration
在上世紀五十年代（包括五十年代）以前，這片中亞熱帶常綠闊葉林遭受毀滅性的皆伐作業，現在生長著的是經過半個世紀恢復的天然次生中亞熱帶常綠闊葉林，長勢良好。Loss of trees in the brazilian rain forest is much worse than had been thought, according to a new study. losses in clear - cut areas where all trees are removed have been monitored by satellite observations, but those were not able to detect the cutting of individual trees in areas where others are left behind
據美聯社10月20日報道，以前，在巴西熱帶雨林的皆伐地區clear - cut areas ，林木一次性被伐光的地區，樹木損失情況都被衛星觀測系統監控著，但這種方法卻發現不了人們對個別樹木的砍伐行為。分享友人