今在，一次比一次严重的沙尘暴席卷我国北方广大地区，这在历史上是罕见的。据了解，造成这一现象的原因很多，其中不得不引起我们重视和反思的两个原因，就是人们大量乱搂发菜和山羊大量啃食草根树皮而破坏了草原植被。据国家林业局的消息，近十年来，到内蒙古、甘肃、宁夏等 Nowadays, once every serious sandstorm swept the vast area of ​​northern China, which is rare in history. It is understood that there are many reasons for this phenomenon. One of the reasons why we have to pay attention to and reflect on it is that a large number of people mess around with hair and goats to graze grass bark and destroy grassland vegetation. According to the State Forestry Administration, over the past 10 years, to Inner Mongolia, Gansu, Ningxia and so on