There can be found Chinese Forest Frogs and Heilongjiang Forest Frogs in the Northeast of China.
东北地区有中国林蛙和黑龙江林蛙的分布。
The method of dynamic comparable tree classification was introduced to study the population structure of natural Japanese red pine forest in Northeast China.
本文采用动态可比性林木分级法，研究了东北东部天然赤松林的种群结构。
The law of stump sprouting of broad-leaved tree species was studied in eastern forest area in Northeast China by the investigation of fixed sampling.
对固定样地调查，采用伐桩的径、高度、萌芽的数量、萌芽的生长情况等指标，分析东北东部林区主要阔叶树种的伐桩萌芽更新规律。
Before Xianfeng Emperor of the Qing dynasty, the forest was protected basically in Monan Mongolia and Northeast China. But after Xianfeng Emperor, the trees was felled wantonly.
咸丰以前，漠南蒙古及东北地区的林木基本得到保护，但咸丰后开始遭到大肆砍伐。
Before Xianfeng Emperor of the Qing dynasty, the forest was protected basically in Monan Mongolia and Northeast China. But after Xianfeng Emperor, the trees was felled wantonly.
咸丰以前，漠南蒙古及东北地区的林木基本得到保护，但咸丰后开始遭到大肆砍伐。
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