利用频度 meaning in English

usage frequency

Most of the pandas are distributed between 2 600 - 2 800 m ; 2 ) the pandas more often exploit the conifer - and - broadleaf - mixed forests and prefer to feed fargesia denudafa and more of their activities happen in forests where arrow bamboo grows better ; 3 ) the pandas avoid habitats where human disturbance is intensive ( x2 = 22 . 000 , df - 3 , p = 0 . 000 ) ; logging and livestock grazing significantly influence feeding habitats of pandas , while herb collecting and poaching has not . the giant pandas prefer the habitats where no human disturbance occurs . in conclusion , human activitires have intensively influenced feeding and other activities of the giant panda and its habitats
垂直主要分布在海拔2600 - 2800m范四川大学硕士学位论文围内; 2 )主要利用植被类型中的针阔混交林，选择有缺苞箭竹、而且缺苞箭竹生长良好的生境，对位置和森林起源这两个生境因素的不同水平，都是随机利用，没有表现出明显的偏好; 3 )大熊猫明显回避那些人类干扰强度大的生境( xz二22 . 000 ， df = 3 ， p = 0 . 000 ) ;伐木和放牧对大熊猫食竹的生长状态有明显影响，对发生采药和偷猎的生境没有明显回避;对于人类干扰强度大的生境，大熊猫利用频度很低，干扰弱或中等时，表现出随机利用;对于没有干扰的生境，是高频利用。