For a long time, the role of nature has always been ignored in historical research, due to the influence of mechanical outlook about nature as well as environmental determinism, and little understanding of the ecoligical value of nature.

• 摘要长期以来，由于根深蒂固的静止世界观及地理环境决定论的消极影响，再加上人类对自然的生态价值缺乏认识，自然长期被历史学家所忽视。