Northern And Southern Natural Disaster Statistics And Preliminary Studies

Natural calamity is the loss and damage that natural strength brings to human society. Have natural calamity since having human society. The historical process of the human society is the course that the mankind struggles with various natural calamities too to a great extent. Study the history of natural calamity. Summarize the characteristics and occurrences rules of the natural calamity of historical period, study the past and knew the future, it is helpful to the current work of taking precautions against and fighting the natural calamities.Natural calamity is closely linked to the local ecological environment at that time. At the Period of the Northern and Southern Dynasty, the climate is cold on the whole. But there is temperature fluctuation at the same time. Meanwhile, the natural calamity at that time also presents apparently stage. The resource of animal and plant of the Northern and Southern Dynasty is pretty rich. This shows that the situation at...