世界上有越来越多的稀有植物在迅速减少,面临着绝灭的危险。这一事实引起了许多国家的严重关注。在苏联,有关自然保护的理论和实践,可以追溯到彼得大帝时代。但是直到1917年十月革命时,建立的自然保护区只有6个。十月革命胜利不久,就建立了包括草原,平原和山地的自然保护区。目前已建立的自然保护区有128处,面积不等。小的仅几公顷,超过25万公顷的大型自然保护区有多处。按计划每个加盟 More and more rare plants in the world are rapidly declining, facing the danger of extinction. This fact has caused serious concern in many countries. In the Soviet Union, the theory and practice of nature conservation can be traced back to Peter the Great. However, until the October 1917 revolution, there were only 6 nature reserves established. Shortly after the victory of the October Revolution, a nature reserve including grasslands, plains and mountains was established. At present, there are 128 nature reserves that have been set up in different sizes. A few hectares of small, more than 250,000 hectares of large nature reserves in many places. Each joined as planned